Entries |
Document | Title | Date |
20090014082 | Exhaust apparatus and method - A rotary swaging method for the tapering of metal tubes is disclosed. The method comprises the use of a rotary swaging machine comprising a die comprising a die taper comprising a length of greater than about 12 inches, a diameter reduction of greater than about 30%, and/or a taper angle of less than about 12 degrees. | 01-15-2009 |
20090078329 | FLUID FLOW PASSSAGE STRUCTURE AND MANUFACTURING METHOD THEREOF - A fluid flow passage structure and a manufacturing method therefor are provided, in which fluid flow passages can be easily produced employing a simple structure and process, while also being suitable for reducing the weight thereof. Wire members having a predetermined pattern are disposed between a first block member and a second block member. Airtight and fluidtight hermetic fluid flow passages are formed between such members, by forming the first block member, the second block member, and the wire members together as an integral structure. | 03-26-2009 |
20090133773 | Method for machining metal conduits to form a V-shaped profiled section n pipeline metal pipes; metal conduit; welding method combining in a common laser fusion bath and electric arc for assembling said conduits - The invention concerns a method for machining the ends of a metal conduit ( | 05-28-2009 |
20090199924 | Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method - A cold roll forming method for reducing a diameter of a metal pipe and a metal pipe product having a diameter reduced by such a method are disclosed, wherein the method includes: passing a raw metal pipe through a set of pre-forming rolls so that it can be pre-formed into an intermediate metal pipe having an elliptical, elongated circular or rectangular cross-sectional shape; and then passing the intermediate metal pipe through a set of diameter-reducing rolls disposed on a downstream side of the set of pre-forming rolls so that it can have its outer circumferential length reduced to be smaller than an outer peripheral length of the raw metal pipe, while at the same time being re-formed into a circular cross-sectional shape or any other cross-sectional shape different from the cross-sectional shape of the intermediate metal pipe. | 08-13-2009 |
20090242067 | PROCESSES FOR TEXTURED PIPE MANUFACTURER - The present invention relates to processes for textured pipe manufacturer on the outside and/or the inside surfaces for industrial application and aesthetic. | 10-01-2009 |
20090301598 | Concentric tube support assembly - An assembly ( | 12-10-2009 |
20090314377 | Irrigation pipe - Irrigation pipe including a pipe having at least a longitudinal row of delivery holes arranged at predetermined distances and communicating with a dripping unit provided inside the pipe, and further having an inlet communicating with the inside of the pipe and an outlet communicating with at least one delivery hole. The inlets or outlets of some or all of the dripping units communicate with the inner space of the pipe or with some or all of the delivery holes through an inlet collecting channel or an outlet collecting channel or segments thereof. | 12-24-2009 |
20090320954 | FOLDED-SEAM CONNECTION, METHOD OF PRODUCING IT AND DEVICE - In ventilation and air-conditioning technology, so-called spiral pipes have to be joined together in a tightly sealed manner at widely differing angles, which is generally carried out by segment bends and pipe sections. An improved, durable seal of folded-seam connections is achieved by a flange-like double fold which is arranged at a first pipe end and which is surrounded on the outside at least in part with positive locking and with a continuous metal seal, by a second double fold at the second pipe end. | 12-31-2009 |
20100037976 | SEAMLESS STEEL PIPE, HOLLOW SPRING UTILIZING SEAMLESS STEEL PIPE, AND PROCESS FOR MANUFACTURING THE SAME - There are provided: a seamless steel pipe formed from a cylindrical steel material billet through a hot isostatic extrusion step, wherein a depth of a contiguous flaw formed on an inner periphery surface and an outer periphery surface of the steel pipe is 50 μm or less; a hollow spring obtained by forming a hollow body in a shape of a coil or a bar or a bar with curved part from the seamless steel pipe made of spring steel and applying a surface treatment to the hollow body so that the hollow body has compressive residual stress; and a method for producing seamless steel pipe including: a billet molding step; a first heating step; a hot isostatic extrusion step; a second heating step; an extension step; a third heating step; and a pickling step. | 02-18-2010 |
20100084039 | METHOD AND APPARATUS FOR FORMING FLARED TUBE ENDS - A method for forming a flare in the end of a flexible tube comprises heating the end of the flexible tube to a near-melted state, inserting the end of the flexible tube into a flare-forming die with a flare forming portion, and pressing a mandrel into the end of the flexible tube, thereby pressure forming a flare in the end of the flexible tube. | 04-08-2010 |
20100122748 | HYDROFORMED PRODUCT - A hydroformed product obtained by integrally working a metal pipe material by cold plastic working, which product (x) has a bent part at least at one location, (y1) has, at least at one location of the bent part, an expanded part of dimensions of a direction toward the outer side (or inner side) of the bend in a cross-section vertical to a pipe axis and a direction vertical to that direction of at least 1.35× of a circle equivalent diameter of an end of the metal pipe, and (z1) has an inner side (outer side) of the bent part of substantially the same radius of curvature. | 05-20-2010 |
20100122749 | FLUID TRANSPORT DEVICE, IN PARTICULAR FOR FUEL - The invention relates to a fluid transport device for incorporating in a structure that is not electrically insulating, in particular being made of a composite and including an electrically resistive tube, with conductive endpieces including means for fastening to said structure, wherein the tube comprises:
| 05-20-2010 |
20100200101 | AL-PLATED STEEL SHEET FOR EXHAUST GAS PASSAGEWAY MEMBERS OF MOTORCYCLES AND THE MEMBERS - Provided is an Al-plated steel sheet for motorcycle exhaust gas passageway members excellent in red scale resistance, which is produced by dipping a substrate steel sheet comprising, in terms of % by mass, at most 0.02% of C, at most 1% of Si, at most 1% of Mn, from 5 to 25% of Cr, at most 0.3% of Ti, at most 0.02% of N, and optionally at least one of at most 0.6% of Ni, at most 0.1% of Nb, at most 0.2% of Al, at most 3% of Mo, at most 3% of Cu, at most 3% of W, at most 0.5% of V, at most 0.5% of Co and at most 0.01% of B, with a balance of Fe and inevitable impurities, in a hot-dip Al-base plating bath to thereby form a hot-dip plating layer having a mean thickness of from 3 to 20 μm on the surface thereof. | 08-12-2010 |
20100300575 | Socketing of Pipe - A method of modifying compressive strains in formation of a pipe ring groove ( | 12-02-2010 |
20100313988 | STEEL TUBE WITH EXCELLENT STEAM OXIDATION RESISTANCE AND METHOD FOR PRODUCING THE STEEL TUBE - A steel tube with excellent steam oxidation resistance and a method for producing the steel tube are provided. The steel tube contains 9 to 28% by mass of Cr, and the visual coverage of the shot peened area of the inner surface of the steel tube is 70 percent or more. The method for producing the steel tube includes shot peening the inner surface of the steel tube under the condition of a shot stream of not less than 5 kg/minute and satisfying the formula (a) shown below while rotating the steel tube and moving a shot nozzle along the length of the steel tube. The shot peened area (visual coverage) of the inner surface of the steel tube is 70 percent or more; | 12-16-2010 |
20110000575 | EXHAUST PIPE - An exhaust pipe devised to, at the flow of high-temperature exhaust gas through the exhaust pipe, lower the temperature of the exhaust gas. The exhaust pipe has the following characteristics. The exhaust pipe has a tubular base material of metal and, provided on the outer circumferential surface of the base material, a surface coating layer composed of a crystalline inorganic material and an amorphous binder material. In the surface coating layer, the crystalline inorganic material is distributed in the state of being multiply stacked one upon another in the direction of thickness of the surface coating layer. The average thickness of the amorphous binder material located on the side of outer circumferential surface relative to the crystalline inorganic material is 20 μm or less. The exhaust gas flows through the interior of the pipe. | 01-06-2011 |
20110011484 | COLD SHRINK ARTICLE - Described herein is an article comprising a cold shrinkable hollow body having at least one open end, and at least a portion of the inner surface of the hollow body having one or more protrusions. | 01-20-2011 |
20110023991 | HIGH STRENGTH STEEL PLATE, STEEL PIPE WITH EXCELLENT LOW TEMPERATURE TOUGHNESS, AND METHOD OF PRODUCTION OF SAME - The present invention provides high strength steel plate with excellent low temperature toughness, high strength steel pipe using this as a base metal, and methods of production of the same. The steel plate of the present invention contains Mo: 0.05 to 1.00% and B: 0.0003 to 0.0100%, has a Ceq of 0.30 to 0.53, has a Pcm of 0.10 to 0.20, and has a metal structure which has an area percentage of polygonal ferrite of 20 to 90% and has a balance of a hard phase comprised of one or both of bainite and martensite. To obtain this steel plate, strain-introducing rolling is performed with a start temperature of not more than Ar | 02-03-2011 |
20110048570 | Nano or sub-nano FIR and anion metal fuel pipes for motor vehicles and like - A fuel pipe that is made from general, nano or sub-nano metal materials and can be used for motor vehicles and ships includes a nano or sub-nano Far Infrared Ray (FIR) and anion carrier. The structures of the carrier are made up of nano or sub-nano tourmaline granules integrated into the carrier body made from general, nano, or sub-nano plastic, rubber, resin, or metal materials. The carrier can be the whole body, interior or exterior wall, or paste structures set on the inner or outer wall surface of the pipe. The carrier can reach a far infrared emission rate up to 96% from ˜85% by general tourmaline materials and facilitate sufficient combustion by breaking fuel molecular group into pieces. As a result, the novel pipe can achieve an extra 12-percent fuel economy improvement. The percentage of toxic gas in the exhaust will be correspondingly reduced. | 03-03-2011 |
20110048571 | BLOW-MOLDED FOAM AND PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam 1 having a wall portion formed in such a manner that a thermoplastic resin containing a foaming agent mixed therewith is subjected to blow molding. Herein, the wall portion has a closed cell structure in which a plurality of foamed cells are contained. The wall portion has an expansion ratio of not less than 2.0 times. The wall portion has an outer face having a center-line average surface roughness Ra of less than 9.0 μm. The foamed cell has a cell diameter having a standard deviation of less than 40 μm in a thickness direction of the wall portion. | 03-03-2011 |
20110056584 | LIGHT-WEIGHT AIR CONDITIONING DUCT FOR VEHICLE - [Problem] To provide a light-weight air conditioning duct for vehicle that is light in weight and excellent in mechanical strength. | 03-10-2011 |
20110061760 | CONDUITS AND COUPLING SYSTEMS FOR TRENCHLESS APPLICATIONS - A conduit for trenchless applications is provided. The conduit comprises a first coupler region on one end of the conduit and a second coupler region on the other end of the conduit. The first coupler region is configured to be attached to a second coupler region of another conduit, while the second coupler region is configured to be attached to a first coupler region of another conduit. The first and second coupler regions can engage a sealing member and, optionally, a locking member. | 03-17-2011 |
20110073210 | COILED TUBING HAVING A CAPILLARY WINDOW AND METHOD FOR MAKING SAME - A coiled tubing assembly includes coiled tubing having a side wall that defines an opening and an insert covering the opening and affixed to the coiled tubing. The coiled tubing has a longitudinal axis. The insert defines a capillary window therethrough. The opening and the insert include ends that are non-perpendicular to the longitudinal axis. A method of making a coiled tubing assembly includes providing coiled tubing defining a side wall opening and pulling a capillary tube into the interior of the coiled tubing through the side wall opening. The method further includes attaching the capillary tube to a capillary window of an insert for covering the side wall opening and affixing the insert to the coiled tubing. | 03-31-2011 |
20110073211 | METHOD FOR MANUFACTURING CLIMATE CONTROL DUCT, AND CLIMATE CONTROL DUCT - The invention provides a method for manufacturing a climate control duct, the method capable of improving a characteristic of transferring a shape of a protrusion onto a surface of a duct and capable of preventing reduction in ventilation efficiency. In order to manufacture a climate control duct having a protrusion formed on an outer peripheral surface thereof, the method includes subjecting an extruded foamed resin to blow molding by use of a duct-shaped mold in which a groove for transfer of a shape of the protrusion is formed on at least part of a surface thereof. Herein, the following relations are satisfied: 0.5 mm03-31-2011 | |
20110132486 | High Strength Thread for Tubular Composites - Use of thread forms with non-metallic threads is disclosed. These threads show differences between isotropic metals and an isotropic tubular composite. | 06-09-2011 |
20110132487 | Tubular Component - A tubular component with an end section has a profile, wherein the profile comprises a plurality of holding elements axially offset in longitudinal direction of the end section. The holding elements comprise at least one first azimuthal contour region and at least one second azimuthal contour region, wherein the outer contour of a holding element in the first contour region at least in sections is lowered or raised relative to the second contour region and wherein the first contour regions of at least two holding elements are offset relative to each other in azimuthal direction. | 06-09-2011 |
20110146831 | Corrosion Resistant Oil Field Tubulars for Use as an Oilfield Screen and Other Products and Method of Application - A corrosion resistant waste-water disposal or chemical injection screen is fabricated from extruded, double cold pilgered N06625 or N07716 nickel alloy in a standard oilfield tubular length. After providing each end with a premium thread for a box and a pin end, and slotting the body of the well screen with slits no wider than 0.015 inches and no longer than 2.5 inches, the well screen is ready for deployment in a well. Other types of oilfield tubulars in standard OCTG lengths could be fabricated in the manner described herein. | 06-23-2011 |
20110155275 | DUCT MEANS FOR AN AIR FLOW OR A GAS FLOWAND A METHOD FOR MANUACTURING , HANDLING AND MOUNTING SAID DUCT MEANS - A duct element ( | 06-30-2011 |
20110174413 | Modification of Polyethylene Pipe to Improve Sag Resistance - Methods of forming pipe articles and pipe articles are described herein. The methods generally include providing a bimodal ethylene based polymer, blending the bimodal ethylene based polymer with up to about 50 ppm peroxide to form modified polyethylene and forming the modified polyethylene into a pipe. | 07-21-2011 |
20110174414 | POLYURETHANE ADHESIVE COMPOSITION - A method of adhering a first component to a second component, comprising the steps of: adhering the two components together using a composition comprising a polyurethane and from 20 to 80 weight percent of a particulate metal, metal salt or metal alloy filler, wherein polyurethane is the reaction product of: a) a first polyol, the first polyol having a molecular weight of less than 1000; b) a second polyol, the second polyol having a molecular weight of from 1500 to 10000; c) at least one polyisocyanate; d) at least one curing agent, and wherein the particulate metal, metal salt or metal alloy filler has a thermal conductivity of at least 150 watts/m·° K; and curing the composition. | 07-21-2011 |
20110174415 | METHOD TO PRODUCE VERY STIFF POLYPROPYLENE - The present invention relates to a process for the preparation of a propylene homo- or copolymer, comprising the following steps: (i) feeding propylene and hydrogen, and optionally one or more comonomers, to a reactor R1, wherein the hydrogen is fed to the reactor R1 in a periodically varying amount, (ii) preparing a first fraction of the propylene homo- or copolymer in the reactor R1 in the presence of a catalyst, (iii) transferring the first fraction to a reactor R2, and (iv) preparing a second fraction of the propylene homo- or copolymer in the reactor R2, wherein the melt flow rate MFR (2.16 kg, 230° C.) of the propylene homo- or copolymer is higher than the melt flow rate MFR (2.16 kg, 230° C.) of the first fraction. | 07-21-2011 |
20110186171 | DELIVERY PIPE - A delivery pipe is molded of resin and internally formed with a fuel passage. The delivery pipe has a shape of cross section including a single straight part, a single curved part, and joint parts at joints between ends of the straight part and the curved part. The joint part has an outer appearance protruding outward. The resin contains reinforcing glass fibers. A corresponding portion to a resin injection gate is located at an end region of the straight part in a longitudinal direction of the fuel passage. | 08-04-2011 |
20110192487 | Polyethylene Pipes - A new polymeric composition of extruded conduits and pipes is described, which is free of fluoroelastomer processing additive whilst maintaining superior processability. | 08-11-2011 |
20110226377 | Aircraft System Carrier Element - An aircraft system carrier element ( | 09-22-2011 |
20110226378 | HIGH-STRENGTH STAINLESS STEEL PIPE EXCELLENT IN SULFIDE STRESS CRACKING RESISTANCE AND HIGH-TEMPERATURE CARBONIC-ACID GAS CORROSION RESISTANCE - The problem to be solved is the provision of a high-strength stainless steel pipe having a sufficient corrosion resistance in a high-temperature carbonic acid gas environment and having an excellent sulfide stress cracking resistance at normal temperature. | 09-22-2011 |
20110247715 | HIGH-STRENGTH STEEL TUBE HAVING EXCELLENT CHEMICAL CONVERSION TREATABILITY AND EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING THE SAME - There is provided a high-strength steel tube having excellent chemical conversion treatability and excellent formability and a method for manufacturing the high-strength steel tube. More specifically, in processing a mother steel sheet containing, on the basis of mass percent, 0.05% or more C, more than 0.7% Si, and 0.8% or more Mn into a pipe shape, the sum total of absolute circumferential surface strains each applied in individual process steps of the processing is 5% or more as nominal strain. A welded steel tube thus manufactured using a steel sheet even containing more than 0.7% Si can have excellent chemical conversion treatability without mechanical grinding or chemical pickling treatment. | 10-13-2011 |
20110253245 | METHOD AND APPARATUS FOR PRODUCING PIPE SECTIONS USING A LASER BEAM MOVABLE BY A SCANNING DEVICE, AND CORRESPONDING PIPE SECTION - When severing pipe sections from a pipe that is continuously produced, a closed separating line is formed around the section axis along the pipe circumference, the separating line being disposed by a section length from the free pipe end. In at least one embodiment, in order to sever a pipe section, a laser beam generated by a laser scanning device is deflected along the entire circumference of the pipe being produced to the separating line, always transversely to the section axis, such that a substantially focused contact region of the laser beam on the pipe being produced is guided completely along the closed separating line and, in the process, the pipe section is severed from the pipe being produced. | 10-20-2011 |
20110259464 | CHLORINE-RESISTANT CROSSLINKABLE POLYOLEFIN COMPOSITIONS AND ARTICLES MADE THEREFROM - The present invention relates to chlorine resistant crosslinkable silane-containing polyolefin compositions and stabilizer masterbatch compositions, their preparation, and articles made therefrom. These crosslinkable silane-containing compositions contain a mixture of antioxidants, light absorbers and stabilizers that provide resistance to the levels of chlorine used in potable water and to light, thereby extending the useful life of said articles made therefrom, such as potable water pipes and valves, bottles, tanks, and the like. | 10-27-2011 |
20110308661 | Variable Influent Flow Channel Baffle - An input channel (and method of making an input channel) for the flow of waste water into a grit removal unit. The input channel has a depth D extending from the bottom to the top of the channel. One side wall of the channel is configured to vary the channel width over the depth of the channel, whereby (a) the width at the bottom of the channel is W | 12-22-2011 |
20110315264 | Propylene-hexene random copolymer produced in the presence of a metallocene catalyst - Propylene copolymer a. comprising at least 1-hexene as a comonomer, b. having a comonomer content in the range of 1.0 to 3.0 wt.-%, c. having a xylene soluble fraction equal or below 2.5 wt.-%, d. having a polydispersity index (PI) of equal or below 4.0 Pa | 12-29-2011 |
20120000566 | RIGID DISPOSABLE FLOW PATH - The present invention provides a disposable rigid flow path which by itself or in conjunction with a clam shell or manifold system provides additional pressure resistance for the disposable device. In a first embodiment, the device is comprised of a first sheet of rigid plastic material and a second sheet of plastic material. Each sheet has a first major surface and a second major surface and a thickness between the first and second major surfaces. At least one and preferably both have flow channels formed in them. The flow channels are formed in the sheet(s) in manner such that the area of the sheet where the flow channels are formed extend away from the first major surface of the sheet and beyond the normal plane of the second major surface of the sheet. The first and second sheets are liquid tightly sealed to each other at their adjoining first major surfaces. In the embodiment where each sheet contains a flow channel, the flow channels of the two sheets are aligned and in register with each other. One or more fittings are secured in the flow channel(s) at an edge of the two liquid tightly sealed sheets so as to function as an inlet, outlet or other port for the system. In another embodiment tubing is placed in the channels before the sheets are secured to one another. | 01-05-2012 |
20120000567 | ELECTRIC RESISTANCE WELDED STEEL PIPE EXCELLENT IN DEFORMABILITY AND FATIGUE PROPERTIES AFTER QUENCHING - Electric resistance welded steel pipe excellent in deformability and fatigue properties after quenching which enables working into complicated shapes without spheroidization and which improves the fatigue properties after cold working and quenching without carburization are provided. The electric resistance welded steel pipe is characterized by containing, by mass %, C: 0.15 to 0.55%, Si: 0.01 to 0.30%, Mn: 0.5 to 1.5%, Ca: 0.0010 to 0.0030%, S: 0.0005 to 0.0050%, and O: 0.0005 to 0.0050%, having contents of Ca, O, and S satisfying 0.10≦[Ca](1−124[O])/1.25[S]≦2.50, having Ca-based inclusions present at the base material and electric resistance weld zone with an average particle size of 1.0 to 10 μm and a density of 3 to 300/mm | 01-05-2012 |
20120024414 | AIR DUCT - An air duct is installed on a circuit board, and shields a number of indicator lights mounted on the circuit board. The air duct defines a number of viewing windows aligned with the corresponding indicator lights. A transparent film covers each of the viewing windows. | 02-02-2012 |
20120037261 | STEEL PIPE PILE AND METHOD OF INSTALLING THE STEEL PIPE PILE - To provide a steel pipe pile capable of ensuring pile bearing capacity without disturbing the surrounding ground during installation. Characterized by comprising a first steel pipe pile | 02-16-2012 |
20120055576 | Article Comprising Thermoplastic Polyurethane And Polyamide 6/66 Copolymer - The instant invention includes an article and a method of forming the article. The article includes a mixture of a thermoplastic polyurethane and polyamide 6/66 copolymer. The thermoplastic polyurethane has a Shore Hardness of at least 36D as determined using DIN EN ISO 1183-1. | 03-08-2012 |
20120060962 | TUBE OR MOLDED TUBE ELEMENT - The invention relates to a tube or molded tube element for receiving, storing or guiding air, containing at least a percentage of a chlorine-containing polymer material, and further containing at least one biocidally active component. The invention is characterized in that the polymer material is stabilized by a composition which contains at least one calcium compound. | 03-15-2012 |
20120073694 | AUTOMOTIVE AIR DUCT CONSTRUCTION - A cooling duct connects a passenger compartment of a vehicle and an energy storage system in fluid communication, and directs a flow of air from the passenger compartment to the energy storage system to cool the energy storage system. The cooling duct includes a first portion that is formed from a non-porous material, and a second portion that is formed from a porous material. The first portion and the second portion are attached to define an enclosed flow path. The second portion includes an airflow resistivity that allows air infiltration into the second portion, through the porous material, at a rate of between zero percent (0%) and twenty percent (20%) of a minimum flow rate when an inlet of the cooling duct is unobstructed, and at a rate of at least thirty percent (30%) when the inlet is completely obstructed. | 03-29-2012 |
20120073695 | Tubular Casing Member with Helical Threads - A drilling device for use in a wellbore may include a tubular casing member having an external surface, and a thread member positioned on the exterior surface of the tubular casing member. The thread member may form a spiral on the exterior surface of the tubular casing member. The thread member may have a pentagonal cross section. The thread member may have a pitched cross section. The thread member may have a triangular cross-section. The thread member may have a convex cross-section. The thread member may have a concave cross-section. The thread member may have a rectangular cross section. | 03-29-2012 |
20120073696 | HOSE - The present invention provides a hose excellent in mechanical properties at high temperatures. The hose of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E″ of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz). | 03-29-2012 |
20120085455 | DELAYED DEGRADABILITY DRIP IRRIGATION PIPE - A delayed degradability drip irrigation pipe including a water conduit at a water conduit pressure and a plurality of drip irrigation outlets, each communicating with the water conduit and providing a water output at a pressure below the water conduit pressure, at least the water conduit being formed at least partially of a degradable material and also including a degradability delayer which provides a desired delay prior to failure of the water conduit but permits eventual degradation of the degradable material under predetermined conditions. | 04-12-2012 |
20120090722 | PERFORATED AIR DUCT FOR TOWERS OF GRAIN DRIERS - The invention relates to a V-shaped trough comprising two vertical side walls joined by two converging top walls, said walls being provided with a plurality of openings, thereby making the grain columns between the rows of troughs smaller inside the tower and increasing the sped of drying, since the thickness of the grain columns is reduced, thus shortening the drying time. | 04-19-2012 |
20120097289 | ALUMINA FORMING BIMETALLIC TUBE AND METHOD OF MAKING AND USING - Provided is a bimetallic tube for transport of hydrocarbon feedstocks in a petrochemical process unit and/or refinery process unit, including: i) an outer tube layer being formed from a steam cracker alloy including at least 18.0 wt. % Cr and at least 10.0 wt. % Ni; ii) an inner tube layer being formed from an alumina forming bulk alloy including 5.0 to 10.0 wt. % of Al, 18.0 wt. % to 25.0 wt. % Cr, less than 0.5 wt. % Si, and at least 35.0 wt. % Fe with the balance being Ni, wherein the inner tube layer is formed plasma powder welding the alumina forming bulk alloy on the inner surface of the outer tube layer; and iii) an oxide layer formed on the surface of the inner tube layer, wherein the oxide layer is substantially comprised of alumina, chromia, silica, mullite, spinels, or mixtures thereof. | 04-26-2012 |
20120103459 | HIGH FATIGUE SERVICE LIFE QUENCHING/TEMPERING STEEL TUBE AND MANUFACTURING METHOD THEREFOR - Provided is a steel pipe designed to have a further increased high strength and a further improved fatigue life with suppressing the material cost and the production cost, especially such a steel pipe suitable for machine structure members that are required to be lightweight. The steel pipe is a high fatigue life steel pipe produced according to a process of using a steel plate having a composition that comprises, % by mass, C: 0.1 to 0.4%, Si: 0.5 to 1.5%, Mn: 0.3 to 2%, P: at most 0.02%, S: at most 0.01%, Cr: 0.1 to 2%, Ti: 0.01 to 0.1%, Nb: 0.01 to 0.1%, Al: at most 0.1%, B: 0.0005 to 0.01%, N: at most 0.01%, and optionally at least one of Ni: at most 0.5%, Ca: at most 0.02%, Mo: at most 0.5%, and V: at most 0.5%, with a balance of Fe and inevitable impurities, and having, on at least one side thereof, a smoothed surface of which the surface roughness Ra in the direction (C direction) perpendicular to the direction to be the longitudinal direction of the steel pipe is at most 0.5 μm, welding it into a pipe in such a manner that the smoothed surface thereof could be the inner surface of the steel pipe, and then quenching/tempering it. | 05-03-2012 |
20120118425 | High-strength steel pipe and producing method thereof - This high-strength steel pipe includes, by mass%, C: 0.02% to 0.09%, Mn: 0.4% to 2.5%, Cr: 0.1% to 1.0%, Ti: 0.005% to 0.03%, Nb: 0.005% to 0.3%, and a balance consisting of Fe and inevitable impurities, in which Si, Al, P, S, and N are limited to 0.6% or less, 0.1% or less, 0.02% or less, 0.005% or less, 0.008% or less, respectively, the bainite transformation index BT is 650° C. or less, and the microstructure thereof is a single bainite microstructure including first bainite and second bainite, the first bainite being a gathered microstructure of bainitic ferrite including no carbide, and the second bainite being a mixed microstructure of bainitic ferrite including no carbide and cementite between the bainitic ferrites. | 05-17-2012 |
20120118426 | COILED TUBING WITH IMPROVED FATIGUE RESISTANCE AND METHOD OF MANUFACTURE - New methods of manufacturing coiled tubing result in increased useful life of the coiled tubing string by creating an enhanced strip-to-strip weld zone having load bearing and/or fatigue resistance properties substantially equal to or greater than the load bearing and/or fatigue resistance properties of the strip base material. The enhanced weld zone is transition into the nominal tubing to reduce stress concentration. | 05-17-2012 |
20120132311 | WASTE COLLECTION TUBE HAVING A LIVING HINGE - A waste collection tube for a dry electrophotographic printer is a molded, open construction. The molded open construction has mirror symmetry, and a first half and a second half connected by a flexible hinge. The first half and the second half open construction waste tubes have edges and labyrinth seals on the edges. A fastening device attaches the first half to the second half in a removable manner. | 05-31-2012 |
20120138185 | METHOD AND PREPROCESSED TUBE FOR PRODUCING A TUBE WITH A BENT PROGRESSION OR A BEND EMBODIED AS A TRAVERSE PROGRESSION - A method and preprocessed tube for producing a tube with a bent progression or bend embodied as a transverse progression. For the bent position of the tube or for each fold of the transverse progression, two miter cuts are made into an essentially straight tube, creating two tube sections with miter cut surfaces extending along cutting planes and a cutting wedge. The miter cuts are placed such that the cutting planes intersect at a point located inside the tube wall, and at this point a bendable bar is left intact connecting the two tube sections. A folding of the miter cut surfaces of the two tube sections onto each other around the bar acting as a hinge allows both tube sections to be welded together around their miter cut surfaces. An additional centering aid formed by a protrusion and a recess can be provided in the opposite miter cut surfaces. | 06-07-2012 |
20120145278 | Flat Duct Seal - A duct housing for a field-flux fractionation device with first and second duct housing parts being located over top of each other in the assembled state and forming a duct. A first side of the duct is limited by a membrane arranged between the two duct housing parts sealing against the outside and thus a separation volume is determined between the first duct housing part and the membrane. A first sealing area is provided at the first duct housing part and a circumferential projection, projecting from a first area defined by the first duct housing part and in the assembled state limiting a second side of the duct and surrounding the duct with the first sealing area in the assembled state engaging the membrane in a sealing fashion. | 06-14-2012 |
20120152400 | MACHINING METHOD FOR AUSTENITE STAINLESS STEEL EQUIPMENT AND PIPING, AND NUCLEAR POWER PLANT EQUIPMENT AND PIPING MACHINED BY USE OF THE SAME - A machining method for austenite stainless steel equipment and piping, and nuclear power plant equipment and piping machined by use of this method are provided to suppress occurrence of a hardened layer due to machining, and capable of suppressing occurrence of SCC without performing an after treatment and reducing working hours and cost. The machining method for austenite stainless steel equipment and piping according to the first aspect of the present invention includes a finishing treatment process for performing a machining operation by use of a throw-away tip ( | 06-21-2012 |
20120160363 | HIGH MANGANESE CONTAINING STEELS FOR OIL, GAS AND PETROCHEMICAL APPLICATIONS - Provided are high manganese containing ferrous based components and their use in oil, gas and/or petrochemical applications. In one form, the components include 5 to 40 wt % manganese, 0.01 to 3.0 wt % carbon and the balance iron. The components may optionally include one or more alloying elements chosen from chromium, nickel, cobalt, molybdenum, niobium, copper, titanium, vanadium, nitrogen, boron and combinations thereof. | 06-28-2012 |
20120175008 | POLYETHYLENE COMPOSITION FOR LARGE DIAMETER PIPE STABILITY - Pipe articles and methods of forming the same are described herein. The methods generally include providing an ethylene based polymer; contacting the ethylene based polymer with a secondary stabilizer including a diphosphite to form a modified polyethylene; and forming the modified polyethylene into a pipe. | 07-12-2012 |
20120186686 | COILED TUBE WITH VARYING MECHANICAL PROPERTIES FOR SUPERIOR PERFORMANCE AND METHODS TO PRODUCE THE SAME BY A CONTINUOUS HEAT TREATMENT - Described herein are coiled tubes with improved and varying properties along the length that are produced by using a continuous and dynamic heat treatment process (CDHT). Coiled tubes can be uncoiled from a spool, subjected to a CDHT process, and coiled onto a spool. A CDHT process can produce a “composite” tube such that properties of the tube along the length of the tube are selectively varied. For example, the properties of the tube can be selectively tailored along the length of the tube for particular application for which the tube will be used. | 07-26-2012 |
20120204994 | HEAVY WALL STEEL PIPES WITH EXCELLENT TOUGHNESS AT LOW TEMPERATURE AND SULFIDE STRESS CORROSION CRACKING RESISTANCE - Embodiments of the present disclosure comprise carbon steels and methods of manufacturing thick walled pipes (wall thickness greater than or equal to about 35 mm) there from. In one embodiment, a steel composition is processed that yields an average prior austenite grain size greater than about 15 or 20 μm and smaller than about 100 μm. Using this composition, a quenching sequence is provided that yields a microstructure of greater than or equal to about 50% by volume, and less than or equal to about 50% by volume, lower bainite, without substantial ferrite, upper bainite, or granular bainite. After quenching, pipes may be tempered. The quenched and tempered pipes may exhibit yield strengths greater than about 450 MPa (65 ksi) or 485 (70 ksi). Mechanical property measurements find the quenched and tempered pipes suitable for 450 MPa grade and 485 MPa grade, and resistance to sulfide stress corrosion cracking. | 08-16-2012 |
20120216904 | HIGH-STRENGTH UOE STEEL PIPE EXCELLENT IN DEFORMABILITY AND LOW-TEMPERATURE TOUGHNESS OF HEAT AFFECTED ZONE - A method of making an UOE steel pipe having excellent deformability and low-temperature toughness includes providing a steel composition with a controlled composition consisting essentially of C: 0.03-0.07%, Si: 0.05-0.50%, Mn: 1.6-2.2%, P: at most 0.020%, S: at most 0.003%, Cu: 0.20-0.60%, Cr: at most 0.10%, Ni: 0.20-0.80%, Nb: 0.005-0.030%, Ti: 0.005-0.030%, N: at most 0.0070%, Al: 0.005-0.060%, and a remainder of Fe and impurities, a hardenability index Pcm of at most 0.22%, Cu+Cr+Ni is 0.4-1.5%, and Nb+Mo+V is at most 0.05%. The pipe has a yield strength in the longitudinal direction of at least 480 MPa, a yield-tensile ratio of at most 85% and a Charpy absorbed energy of the heat affected zone at −40° C. of at least 40 J. | 08-30-2012 |
20120227852 | Layer for Pipes Made of Multimodal Polyethylene Composition - The present invention relates to a pipe comprising a layer made of a multimodal polyethylene composition comprising a polyethylene base resin which comprises an ethylene copolymer (A) and an ethylene copolymer (B) wherein the ethylene copolymer (A) has a lower weight average molecular weight then the ethylene copolymer (B). | 09-13-2012 |
20120227853 | FLOW- OPTIMIZED FLUID LINE - Fluid line and method of forming the fluid line. The fluid line includes a cylindrical inner surface having uniformly distributed recesses in the form of spherical sectors formed in the inner surface. | 09-13-2012 |
20120247605 | Molybdenum-Free, High-Strength, Low-Alloy X80 Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated Cooling - Steel alloy, plate, and longitudinally welded pipe formed from a molybdenum-free, high-strength, low-alloy steel, said steel alloy consisting essentially of, in wt. %: C: 0.05-0.09; Mn: 1.70-1.95; Ti: 0.01-0.02; Al: 0.02-0.055; Nb: 0.075-0.1; P: ≦0.015; S: ≦0.003; V 0.01-0.03; Mo: ≦0.003; and the remainder Fe and inevitable impurities. The plate is produced by rolling from a slab without the use of accelerated cooling. | 10-04-2012 |
20120247606 | Low-Molybdenum, High-Strength Low-Alloy 80 ksi Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated Cooling - Steel alloy, and plate formed from a low-molybdenum, high-strength, low-alloy steel, said steel alloy consisting essentially of, in wt. %: C: 0.05-0.07; Mn: 1.5-1.7; Ti: 0.01-0.025; Al: 0.02-0.04; Nb: 0.075-0.1; P: ≦0.01; S: ≦0.003; Mo: 0.1-0.2; and the remainder Fe and inevitable impurities. The plate is produced by rolling from a slab without the use of accelerated cooling. | 10-04-2012 |
20120267000 | SMALL-DIAMETER COMPOSITE TUBE - A small-diameter composite tube may be formed by hand rolling. A slip sheet may be placed on a work surface, and then a composite sheet may be placed on the slip sheet. A mandrel may be placed at a first edge of the composite sheet, and a portion of the slip sheet may be folded over the mandrel, and the first edge of the composite sheet, such that the mandrel is enclosed in the slip sheet. A compression bar may then be placed on the folded-over portion of the slip sheet and force may be applied, causing the slip sheet to contact the mandrel. Then, the folded-over portion of the slip sheet may be pulled away from the mandrel while force is maintained on the compression bar. As the folded-over portion of the slip sheet is pulled, the composite sheet may wind around the mandrel, forming the composite tube. | 10-25-2012 |
20120267001 | HEAT RESISTANT TITANIUM ALLOY MATERIAL FOR EXHAUST SYSTEM PART USE EXCELLENT IN OXIDATION RESISTANCE, METHOD OF PRODUCTION OF HEAT RESISTANT TITANIUM ALLOY MATERIAL FOR EXHAUST SYSTEM PART USE EXCELLENT IN OXIDATION RESISTANCE, AND EXHAUST SYSTEM - A titanium alloy material for exhaust system parts which is excellent in oxidation resistance able to be used for an exhaust manifold, exhaust pipe, catalyst device, muffler, or other part characterized by containing, by mass %, Cu: 0.5 to 1.5%, Sn: 0.5 to 1.5%, Si: 0.1% to 0.6%, and O: 0.1% or less, a total of the contents of Cu and Sn being 1.4 to 2.7%, and having a balance of Ti and unavoidable impurities. A titanium alloy material for exhaust system parts which is excellent in oxidation resistance and cold workability. | 10-25-2012 |
20120279607 | AUSTENITIC STAINLESS STEEL PIPE EXCELLENT IN STEAM OXIDATION RESISTANCE AND MANUFACTURING METHOD THEREFOR - There is provided an austenitic stainless steel pipe excellent in steam oxidation resistance. The austenitic stainless steel pipe excellent in steam oxidation resistance contains, by mass percent, 14 to 28% of Cr and 6 to 30% of Ni, and is configured so that a region satisfying the following Formula exists in a metal structure at a depth of 5 to 20 μm from the inner surface of the steel pipe: | 11-08-2012 |
20120285576 | WELDED STEEL PIPE FOR LINEPIPE WITH HIGH COMPRESSIVE STRENGTH AND MANUFACTURING METHOD THEREOF - Provided are a steel pipe for a linepipe with high compressive strength and a heavy wall thickness, and a method of manufacturing the same. Lowering of yield stress caused by a Bauschinger effect can be suppressed by optimizing the metal microstructure of a steel plate without requiring particular forming conditions in forming the steel pipe, and without requiring heat treatment after pipe making. A steel pipe has the composition which contains by mass % 0.03 to 0.10% C, 0.30% or less Si, 1.00 to 2.00% Mn, 0.015% or less P, 0.003% or less S, 0.080% or less Al, 0.005 to 0.035% Nb, 0.005 to 0.020% Ti, and Fe and unavoidable impurities as a balance. The steel pipe has metal microstructure where a fraction of bainite is 60% or more, a fraction of rolled ferrite is 5% or less, and a fraction of M-A constituent (MA) is 3% or less. | 11-15-2012 |
20120285577 | METHOD FOR HEAT-TREATING METAL TUBES OR PIPES FOR NUCLEAR POWER PLANT, BATCH-TYPE VACUUM HEAT TREATMENT FURNACE USED THEREFOR, AND METAL TUBES OR PIPES FOR NUCLEAR POWER PLANT HEAT-TREATED BY THE SAME - In a method for heat treating a metal tube or pipe for a nuclear power plant, the tube or pipe being accommodated in a batch-type vacuum heat treatment furnace, when the tube or pipe is laid down on and is subjected to heat treatment on a plurality of metal cross beams arranged along a longitudinal direction of the tube or pipe, it is possible to suppress scratches to be formed on the outer surface of the tube or pipe and attributable to heat treatment, and to reduce the discoloration on the outer surface of the tube or pipe by holding the tube or pipe and the metal cross beams in indirect contact with each other by virtue of a heat resistant fabric having a thickness of 0.1 to 1.2 mm interposed in between. | 11-15-2012 |
20120298249 | TUBULAR CONNECTION AND ASSOCIATED THREAD FORM - A tubular connection is formed by a box member and a pin member, each of which has a tapered constant pitch thread. A profiled defined by the thread of at least one of the pin member and the box member results in a pitch line that is a stepped pitch line. The stepped pitch line configuration may produce a wide radial band of substantive contact between the stab flanks of the pin member and box member upon full make-up of the connection. | 11-29-2012 |
20120298250 | HEAT-SHRINKABLE TUBE, AND PRODUCTION METHOD AND PRODUCTION APPARATUS THEREOF - Provided are a method and an apparatus for producing a heat-shrinkable tube. An apparatus | 11-29-2012 |
20120305122 | WELDED STEEL PIPE FOR LINEPIPE HAVING HIGH COMPRESSIVE STRENGTH AND HIGH FRACTURE TOUGHNESS AND MANUFACTURING METHOD THEREOF - Provided are a steel pipe for a linepipe having a heavy wall thickness and excellent fracture toughness in a base material, and methods of producing the same. A welded heat affected zone is achieved by suppressing lowering of yield stress caused by a Bauschinger effect by optimizing the metal microstructure of a steel plate. A steel pipe has a composition which contains by mass % 0.03 to 0.08% C, 0.10% or less Si, 1.00 to 2.00% Mn, 0.010% or less P, 0.0030% or less S, 0.06% or less Al, 0.005 to 0.020% Nb, 0.005 to 0.025% Ti, 0.0010 to 0.0060% N, and Fe and unavoidable impurities as a balance. Ti(%)/N(%) is a value which falls within a range of 2 to 4, and a Ceq value is 0.30 or more. | 12-06-2012 |
20120305123 | PROPYLENE RESIN COMPOSTION AND MOLDED ARTICLE - A propylene resin composition which contains as essential components thereof (A) an ethylene-propylene random copolymer having an ethylene content of 0.5 to 3.0 parts by mass; (B) an elastomer having an average particle diameter of 10 to 800 nm in an amount of 1 to 10 parts by mass based on 100 parts by mass of the ethylene-propylene random copolymer; and (C) a crystalline nucleating agent, and in which after kneading thereof, the kneaded propylene resin composition exhibit a melt flow rate (MFR) of 0.01 to 1.00 g/10 min. The propylene resin composition is suitable for the production of a wide variety of molded articles. | 12-06-2012 |
20120318400 | Polyvinyl Chloride Formulations - An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections. | 12-20-2012 |
20120325363 | METHOD FOR BENDING THERMOPLASTIC PIPES - A method for producing a bent pipe from thermoplastic material with end cross-sections, central points of which have in relation to one another a positional tolerance on the basis of LN xy/JAR xy/FAR xy in relation to one another. A straight pipe element is introduced into a tool and a portion of the straight pipe element is heated that is located in the bending region to a temperature which lies above a glass transition temperature of the thermoplastic material by a first temperature value. The straight pipe element is bent about the heated bending region of the tool by a freely selectable bending angle, which has a spatial alignment in an XYZ system of coordinates that is fixed with respect to the pipe. The pipe is then cooled below the glass transition temperature by a second temperature value. | 12-27-2012 |
20120325364 | SEAMLESS STEEL PIPE FOR HIGH-STRENGTH HOLLOW SPRING - Disclosed is a seamless steel pipe for a high-strength hollow spring, which comprises 0.20 to 0.70 mass % of C, 0.5 to 3.0 mass % of Si, 0.1 to 3.0 mass % of Mn, 0.030 mass % or less (including 0%) of P, 0.030 mass % or less (including 0%) of S, 0.02 mass % or less (including 0%) of N, and the remainder made up by Fe and unavoidable impurities, and which is characterized in that carbide has an equivalent circle diameter of 1.00 μm or less. The seamless steel pipe enables the production of a hollow spring having high strength and excellent durability. | 12-27-2012 |
20130000770 | GAS-GUIDING PIPE COMPRISING A NOISE-ATTENUATING COVERING WITH VARIABLE POROSITY - A noise-attenuating covering configured for example for a pipe for guiding gases along a gas path. The covering includes a wall defining the gas path and at least one resonance cavity, the wall being pierced with holes for fluid communication between the gas path and the resonance cavity to attenuate noise. The holes have substantially identical diameters and, since the pipe is arranged to guide the gases in the downstream direction, a number of the openings per wall surface unit decreases continuously along the gas path in the downstream direction, such as to confer on the wall substantially constant acoustic resistance along the gas path, for which the noise attenuation is optimized along the gas path. | 01-03-2013 |
20130087242 | METHOD AND DEVICE FOR MANUFACTURING A BI-MATERIAL SLEEVE AND SLEEVE THUS PRODUCED - A method for manufacturing a bi-material sleeve is provided. The sleeve includes an annular outer sleeve and an annular inner sleeve bonded to each other. The bottom pouring of the outer sleeve is carried out in a casting space delimited by a wall of a first ingot mold and by an outer upwardly moveable wall of a second ingot mold concentric with the first. The moveable wall of the second ingot mold is raised so as to uncover the skin of the outer sleeve which has solidified thereagainst. The bottom pouring and the solidification of the inner sleeve are carried out in a casting space delimited by said skin and an inner stationary wall of said second ingot mold, the bonding of both sleeves being effected by diffusion between said sleeves. Forging and/or machining of one of said bonded sleeves are optionally carried out. A device for using this method and a sleeve produced by this method are also provided. | 04-11-2013 |
20130092280 | ELECTRIC RESISTANCE WELDED OIL COUNTRY TUBULAR GOODS AND MANUFACTURING METHOD OF ELECTRIC RESISTANCE WELDED OIL COUNTRY TUBULAR GOODS | 04-18-2013 |
20130118632 | OIL COUNTRY TUBULAR GOODS WITH DUAL PHASE STRUCTURE AND PRODUCING METHOD THEREOF - A steel pipe with dual phase structure includes, as chemical composition, by mass %, C: 0.07% to 0.15%, Si: 0.1% to 0.5%, Mn: 0.8% to 1.9%, Nb: 0.020% to 0.10%, P: limited to 0.05% or less, S: limited to 0.01% or less, Al: limited to 0.1% or less, and a balance consisting of iron and unavoidable impurities, wherein, when [X] is amount of element X in mass %, carbon equivalent Ceq defined by Equation of Ceq=[C]+[Mn]/6 is 0.25 to 0.40 and [Nb]×[C]≧0.002 is satisfied, and includes, as metallographic structure, by area %, ferrite of 80% to 98% and martensite, residual austenite, or mixture thereof of 2% to 20% in total, wherein average grain size of ferrite is 1 μm to less than 8 μm and average grain size of martensite, residual austenite, or mixture thereof is 0.1 μm to 2 μm. | 05-16-2013 |
20130126036 | ELECTRIC RESISTANCE WELDED STEEL PIPE WITH EXCELLENT TORSION FATIGUE RESISTANCE AND METHOD FOR MANUFACTURING THE SAME - A base material portion of an electric resistance welded steel pipe has a composition including C at 0.25 to 0.55%, Si at 0.01 to 1.0%, Mn at 0.2 to 3.0%, Al at not more than 0.1% and N at 0.0010 to 0.0100%, with the balance being represented by Fe and inevitable impurities, and the weld defect area, which is a projected area of a weld defect in an electric resistance weld zone, is less than 40000 μm | 05-23-2013 |
20130160888 | APPARATUS FOR FLUID TUBE - A fluid tube is disclosed herein. The breathing circuit tube has a first terminal end portion, a second terminal end portion, and a wall which extends between the first terminal end portion and the second terminal end portion. The wall comprises a hollow geometry defining a passageway with a central longitudinal axis therethrough. The wall further defines one or more expandable corrugations spaced radially around and parallel to the central axis. | 06-27-2013 |
20130160889 | HIGH-STRENGTH ELECTRIC RESISTANCE WELDED STEEL TUBE AND PRODUCTION METHOD THEREFOR - A high-strength electric resistance welded steel tube has a composition including, in terms of percent by mass, C: 0.05 to 0.20%, Si: 0.5 to 2.0%, Mn: 1.0 to 3.0%, P: 0.1% or less, S: 0.01% or less, Al: 0.01 to 0.1%, N: 0.005% or less, and the balance being Fe and unavoidable impurities; and a structure which is a dual phase structure including a ferrite phase and a martensite phase, with a volume ratio of the martensite phase being 20 to 60%, wherein a tensile strength TS is 1180 MPa or more, an elongation El in a tube axis direction is 10% or more, and a yield ratio is less than 90%; and after application of a 2% prestrain and baking finishing that includes a heat treatment of 170° C.×10 min, a strength increase (BH value) is 100 MPa or more and a yield ratio is 90% or more. | 06-27-2013 |
20130167966 | POLYAMIDE COMPOSITION CONTAINING IONOMER - Disclosed is a composition comprising polyamide comprising nylon-6/12 or a polyamide comprising a first repeat unit of formula (I) | 07-04-2013 |
20130174935 | VARIABLE THIN WALLED DUCT WITH BEND - A method of manufacturing a duct is disclosed that is suitable for aerospace applications, for example. The method includes the steps of providing a longitudinally extending duct having a first wall thickness at an end portion and a second wall thickness at a portion that is less than the first wall thickness. The duct is bent at the portion to a desired shape to provide a tube having at least one bend located within a distance of one duct diameter from the first wall thickness. | 07-11-2013 |
20130192709 | LEACH-RESISTANT LEADED COPPER ALLOYS - Copper alloys exhibiting enhanced oxidation resistance are provided by adding an amount of sulfur that is effective to enhance oxidative resistance. Such sulfur addition can be achieved by combining elemental forms of copper and sulfur and heating the mixture to form a molten alloy, or by forming a sulfur-rich pre-mix that is added to a base alloy composition. Forming a pre-mix provides improved homogeneity and distribution of the sulfur predominantly in the form of a metal sulfide. | 08-01-2013 |
20130206274 | PROCESS FOR PRODUCING LARGE DIAMETER, HIGH STRENGTH, CORROSION-RESISTANT WELDED PIPE AND PIPE MADE THEREBY - A method of roll-forming sheet or plate into a round hollow, welding the round hollow with a welding alloy that matches the alloy of the round hollow to form a welded pipe, annealing the welded pipe at a minimum of 1950° F. to provide a carbide-free microstructure, ultrasonic inspecting to assure sound welds, and cold-working the annealed and inspected pipe via drawing or pilgering to the desired tensile strength. The compositional range alloys suitable for use in the method of the present invention in weight % is: 25.0-65.0% Ni, 15.0-30.0% Cr, 0-18.0% Mo, 2.5-48.0% Fe, 0-5.0% Cu, 0-5.0% Mn, 0-5.0% Nb, 0-2.0 Ti, 0-5.0% W, 0-1.0% Si, and 0.005-0.1% C. The process has been most preferably optimized for an alloy range consisting of 32.0-46% Ni, 19.5-28.0% Cr, 18.0-40.0% Fe, 3.0-8.0% Mo, 1.0-3.0% Cu, 0.6-1.2% Ti, 0.5-2.0% Mn, 0.1-0.5% Si, 0.01-0.08% C. The present invention also includes the pipe made thereby. | 08-15-2013 |
20130255821 | Composite Pipe - A pipe comprises a pipe wall formed of a composite material of a matrix and a plurality of reinforcing fibres embedded within the matrix, wherein the composite material in at least one region of the pipe wall is pre-stressed. The composite material in at least one region of the pipe wall comprises or defines at least one of a level of pre-tension and pre-compression. | 10-03-2013 |
20130255822 | MICROFLUIDIC COMPONENT, REACTOR COMPRISING A PLURALITY OF SUCH COMPONENTS, AND METHOD FOR PRODUCING SAME - A microfluidic component made of a metal sheet having a structure which includes a closed fluid line and which is formed of a structured surface of a first section of the metal sheet and an adjoining structured or unstructured surface of a second section of the metal sheet, wherein the metal sheet is folded such that the sections integrally connected to each other are located on top of each other in a surface-parallel manner. The metal sheet further includes at least one third section having a contoured edge and is moreover folded such that the third section is also supported in a surface-parallel manner and the contoured edge forms a first wall section and the adjoining structured or unstructured surface of the first or second section forms a second wall section of an open fluid line. A microfluidic reactor comprising a plurality of such microfluidic components and a method for producing such components. | 10-03-2013 |
20130269820 | Method, Systems, And Apparatuses For Transition Piece Contouring - Disclosed herein are apparatuses, methods, and systems for transition piece contouring. In an embodiment, a high thermal stress section of a transition piece and a low thermal stress section of a transition piece is a determined The low thermal stress section of the transition piece may be contoured to intercept hot gas flow. | 10-17-2013 |
20130269821 | Systems And Apparatuses For Hot Gas Flow In A Transition Piece - Disclosed herein are methods, systems, and apparatuses for hot gas flow. In an embodiment, a transition piece comprises a surface that conforms to an approximately straight line path stretching approximately from the forward end of a transition piece to the aft end of the transition piece wherein the surface may help direct the flow of gases. | 10-17-2013 |
20130284304 | SPINNING METHOD, SPINNING MACHINE, AND SHAPED COMPONENT - In the present spinning method using elements including: a tube material; a pair of chucks which hold both ends of the tube material; and a roller having a predetermined curved shape in order to shape the tube material, in a state that circumferential portions at the both ends of the tube material are fitted in and held by circumferential grooves provided on side surfaces of the chucks, the method includes a step of transferring a curved shape on a side surface of the roller to a side surface of the tube material by rotating the chucks which hold the tube material around a first axis, rotating the roller around a second axis, moving the rotating roller in an X direction, and pressing the side surface of the roller against the side surface of the tube material between the rotating chucks. | 10-31-2013 |
20130299036 | CONDUIT FOR IMPROVED FLUID FLOW AND HEAT TRANSFER - The present disclosure provides conduits with modified interior surfaces that increase the surface area of the interior surface of the conduit to provide the conduit with improved thermal energy exchange with the wall of the conduit. The modified interior surfaces can also be configured to reduce friction flow on the fluid passing therethrough. | 11-14-2013 |
20130306188 | PIPE - A polyetheretherketone pipe of length greater than 250 meters and a residual stress of less than 5 MPa may be made using a calibrator device ( | 11-21-2013 |
20130327437 | HIGH TEMPERATURE CONDUIT HAVING A COMPLEX, THREE-DIMENSIONAL CONFIGURATION - Molded articles are disclosed having a complex three-dimensional shape. In one embodiment, the molded articles comprise tubular members formed through blow molding that have multiple linear sections separated by curved sections. The curved sections can include multiple angular displacements in multiple planes. The tubular members are molded from a polymer composition containing a high temperature polymer, such as a polymer having a melting point of greater than about 280° C., such as greater than about 290° C. In one embodiment, the tubular member includes at least three angular displacements of from about 60° to about 120°, such as from about 70° to about 110°. | 12-12-2013 |
20130340880 | Method And Apparatus For Fabricating A Metal Pipe Having At Least One Smooth Portion And At Least One Grooved Portion - A metal pipe having at least one smooth portion and at least one grooved portion is obtained by progressive deformation of its wall in at least two consecutive phases. Each phase is carried out using a tool assembly including a grooved female die that accommodates the portion of pipe being deformed, and a grooved male punch that moves axially in order to give the pipe a cross section with an undulating profile, defining longitudinal ribs distributed around the pipe. The majority of the ribs each have a width in the circumferential direction that is less than the distance in the circumferential direction from one rib to the next. The pipe is subjected to a further deformation step in order to force the flanks of each rib into contact with each other using a tool assembly that includes radially movable sectors or a bushing that supports a plurality of radial rollers. | 12-26-2013 |
20140027005 | Enhanced Flow Boiling in Microchannels by High Frequency Microbubble-Excited and -Modulated Oscillations - Microfluidic devices, along with their methods of formation and use, are provided. The microfluidic device can include a substrate with a main channel and a first auxiliary channel defined in the substrate's surface. The main channel has a main width of about 1000 μm or less. The first auxiliary channel intersects with the main channel at a first aperture defined in a first side wall of the main channel. A second auxiliary channel can intersect with the main channel at a second aperture defined in a second side wall of the main channel. A plurality of main channels and respective auxiliary channel(s) can be included on the surface. | 01-30-2014 |
20140090738 | Rigid Disposable Flow Path - A disposable flow path having a manifold system that provides pressure resistance for the disposable device. The disposable device is comprised of a first rigid plastic sheet and a second rigid plastic sheet. Each sheet has two major surfaces and a thickness between them. At least one sheet surface has flow channels formed in it. The flow channels extend away from a first major surface and beyond the normal plane of a second major surface of the sheet. The sheets are liquid tightly sealed to each other at their adjoining first major surfaces. When each sheet contains a flow channel, the flow channels are aligned and in register with each other. One or more fittings can be secured in the flow channel(s) at an edge of the two liquid tightly sealed sheets. Alternatively, tubing is placed in the channels before the sheets are secured to one another. | 04-03-2014 |
20140096861 | POLYMER COMPOSITION FOR MANUFACTURNING BIODEGRADABLE ARTICLES AND PROCESS THEREOF - The present disclosure provides a bio-degradable polymer composition comprising: 30% to 50% (w/w) of an extrusion grade bio-degradable polymer; and 50% to 70% (w/w) of an injection molding grade bio-degradable polymer. The bio-degradable polymer composition of the present disclosure is used for manufacturing bio-degradable article, such as bio-degradable tubes. The present disclosure further provides a process for manufacturing of bio-degradable tube. These and other features, aspects, and advantages of the present subject matter will become better understood with reference to the following description and appended claims. This summary is provided to introduce a selection of concepts in a simplified form. | 04-10-2014 |
20140124083 | Rigid Disposable Flow Path - A disposable flow path having a manifold system that provides pressure resistance for the disposable device. The disposable device is comprised of a first rigid plastic sheet and a second rigid plastic sheet. Each sheet has two major surfaces and a thickness between them. At least one sheet surface has flow channels formed in it. The flow channels extend away from a first major surface and beyond the normal plane of a second major surface of the sheet. The sheets are liquid tightly sealed to each other at their adjoining first major surfaces. When each sheet contains a flow channel, the flow channels are aligned and in register with each other. One or more fittings can be secured in the flow channel(s) at an edge of the two liquid tightly sealed sheets. Alternatively, tubing is placed in the channels before the sheets are secured to one another. | 05-08-2014 |
20140144541 | GRAPHENE-BASED STEEL TUBES, PIPES OR RISERS, METHODS FOR THE PRODUCTION THEREOF AND THE USE THEREOF FOR CONVEYING PETROLEUM, GAS AND BIOFUELS - The present invention relates to new graphene-based steel tubes, pipes or risers, whose products are obtained by a method of manufacturing that consists in adding graphene nanosheets, heat treatment, forming tubular geometry and surface finish. In addition to the unique chemical composition based on graphene, with carbon content ranging between 0.01 and 21.0%, these products have the wall thickness between 800 nm and 80 mm (from ultra fine to thick), diameter between 10 and 5000 mm, and having a tensile strength not less than 2000 MPa reaching up to 50 GPa, with far superior features to those obtained by other methods. Such products can be used for petroleum, natural gas and biofuels transportation, including in deepwater submarine riser systems (>1500 m), with direct application in the oil industry. | 05-29-2014 |
20140150917 | FLUID DUCT WITH IMPROVED CONNECTING BEAD - A fluid duct has a plastic body with a forward cylindrical portion having an outer periphery and a rear cylindrical portion having an outer periphery. The forward and rear cylindrical portions are at equal radial distances from a center line of the duct. A bead is formed on an outer periphery of the duct body intermediate the forward and rear portions. The bead has a radially outermost distance measured perpendicularly away from the outer periphery of the forward portion. This is defined as a first distance. A second distance is defined between a forward end of the duct body to a rearmost end of the bead. The ratio of the first distance to the second distance is between 0.200 and 0.270. | 06-05-2014 |
20140150918 | VIBRATION REDUCING RUBBER COMPOSITION - Disclosed is a vibration reducing rubber composition, more specifically to a vibration reducing rubber composition that reduces inflow of vibration and noise generated from an engine into an interior of an automobile, and improves riding comfort, emotional quality and merchantable quality of the automobile, by providing a particular formulation of a heater hose composition, which comprises ethylene propylene rubber (EPDM), fast extruding furnace (FEF) carbon black and semi reinforcing furnace (SRF) carbon black. | 06-05-2014 |
20140150919 | DUCT ARRANGEMENT - A duct arrangement | 06-05-2014 |
20140182737 | Fluid Conduit - A fluid conduit ( | 07-03-2014 |
20140202577 | DUCT FITTING APPARATUS WITH REDUCED FLOW PRESSURE LOSS AND METHOD OF FORMATION THEREOF - A duct fitting apparatus comprising a duct fitting having an aspect ratio of generally 1:1 at each end and transitioning toward a middle section having a non-uniform aspect ratio up to about 2.4:1. The transition section may have an elliptical cross-sectional shape. A plurality of surface treatments associated with the interior wall of the duct fitting between the upstream inlet end and the apex of divergence create aerodynamic vortices proximate to the wall of the inside bend of the curve, resulting in lower loss of total pressure of air or fluid passing therethrough. | 07-24-2014 |
20140230949 | COILABLE EXTENDIBLE MEMBER AND METHODS - The invention provides an extendible member which is configurable between a coiled form and an extended form. The extendible member comprises: a primary member comprising a sheet of material resiliently biased in a slit tube form, wherein the slit tube can be opened out at the slit to assume an open form in which it has a flattened cross section; at least one resilient secondary member having first and second connections to the primary member at respective different circumferential positions on the primary member, wherein in the extended form, the primary member is in its slit tube form and the resiliency of the secondary member causes at least part of the secondary member to displace towards the slit in the primary member to provide torsional and axial stiffness to the primary member, and wherein in the coiled form, the primary member is in its open form and the secondary member conforms to the flattened cross section of the primary member so that primary and secondary member can be co-coiled. Corresponding methods are also provided. | 08-21-2014 |
20140230950 | FIBROUS CORES - The present disclosure is directed to a fibrous core comprising a longitudinal core axis, an outer surface, an inner surface, a first open end, and a second open end. The first open end is opposite the second open end and defines a length therebetween. The fibrous core is positioned such that the longitudinal core axis is substantially perpendicular to a horizontal surface. The fibrous core also comprises indicia printed on the inner surface of the fibrous core. The indicia comprises at least one of a letter, a word, and a symbol. The indicia is positioned at a reading orientation. | 08-21-2014 |
20140251488 | HOT-FORGED COPPER ALLOY PART - A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of Cu and 0.003 mass % to 0.3 mass % of Pb with a remainder of Zn and inevitable impurities, a content of Cu [Cu] mass % and a content of Pb [Pb] mass % have a relationship of 59≦([Cu]+0.5×[Pb])≦64, a shape of the forged part satisfies a formula of 0.4≦(average inner diameter)/(average outer diameter)≦0.92, 0.04≦(average thickness)/(average outer diameter)≦0.3, and 1≦(tube axis direction length)/(average thickness))≦10, a forging material which is to be hot-forged has a tubular shape and satisfies 0.3≦(average inner diameter/average outer diameter)≦0.88, 0.06≦(average thickness)/(average outer diameter)≦0.35, and 0.8≦(tube axis direction length)/(average thickness))≦12, and 0%≦(degree of uneven thickness)≦30%, 0≦(degree of uneven thickness)≦75×1/((tube axis direction length)/(average thickness)) | 09-11-2014 |
20140261848 | Integral Valve Assembly - An integral valve assembly includes a major span of piping having a first end and a second end opposite the first end, a first minor span of piping extending perpendicularly from the major span between the first end and the second end of the major span, and a second minor span of piping extending obliquely from the major span between the first minor span and the second end of the major span, wherein the major span, the first minor span, and the second minor span are together monolithic, wherein the major span, the first minor span, and the second minor span are stainless steel. | 09-18-2014 |
20140283943 | CABLE PROTECTION DEVICE AND SYSTEM - A cover is provided for protecting cables. The cover includes a first cover member and a second cover member. The second cover member is configured to mate with the first cover member to define conduits that enclose and permit passage therethrough of one or more cables. Plural covers are couplable to form an articulating cover system operable to enclose a selected length of cable(s). The covers may be employed to protect hoses, pipes, ducts and the like. | 09-25-2014 |
20140290786 | MICROFLUIDIC CHANNEL AND MICROFLUIDIC DEVICE - A microfluidic channel includes an agitating flow channel whose central axis is a three-dimensional curve. | 10-02-2014 |
20140338781 | SWIRL VANE AIR DUCT CUFF ASSEMBLY AND METHOD OF MANUFACTURE - A swirl vane air duct cuff assembly includes a tubular body and a swirl vane cuff extending from the tubular body. The swirl vane cuff has an exterior surface which has a cuff groove, and an interior surface which has at least one inward radially extending vane. | 11-20-2014 |
20140338782 | MANUFACTURING METHOD FOR BELLOW PIPES - A method that enables a thermoplastic pipe in a partial or complete bellows-form, preferably having connecting elements such as clip, bracket, etc. thereon to be manufactured in a single process. | 11-20-2014 |
20140352835 | WELDING PROCESS, WELDING SYSTEM, AND WELDED ARTICLE - A welding process, welding system and welded article are disclosed. The welding process includes generating a first beam from a stationary fusion apparatus and generating a second beam from a rotatable fusion apparatus. The first beam and the second beam form a weld in an article. The welding system includes a stationary fusion apparatus and a rotatable fusion apparatus directed at an article to be welded, the stationary fusion apparatus and rotatable fusion apparatus being arranged and disposed to form a single weld in the article. The welded article includes a first element welded to a second element, the welded article having a decreased root reinforcement, in an inaccessible region, from that of a hybrid stationary fusion apparatus. | 12-04-2014 |
20140352836 | HIGH-STRENGTH SEAMLESS STEEL PIPE FOR OIL WELL USE HAVING EXCELLENT RESISTANCE TO SULFIDE STRESS CRACKING - A seamless steel pipe has a composition containing, by mass %, C: 0.15 to 0.50%, Si: 0.1 to 1.0%, Mn: 0.3 to 1.0%, P: 0.015% or less, S: 0.005% or less, Al: 0.01 to 0.1%, N: 0.01% or less, Cr: 0.1 to 1.7%, Mo: 0.40 to 1.1%, V: 0.01 to 0.12%, Nb: 0.01 to 0.08%, Ti: 0.03% or less, and B: 0.0005 to 0.003%, a structure composed of a tempered martensite phase as a main phase with a prior austenite grain size of 8.5 or more, and a hardness distribution in which in four portions 90° apart from each other in the circumferential direction, hardness is 295 HV10 or less in any one of an inner surface-side region at 2.54 to 3.81 mm from the inner surface of the pipe, an outer surface side-region at the same distance from the outer surface of the pipe, and a center of the thickness. | 12-04-2014 |
20150013820 | METHOD FOR ROLLING/DRAWING NICKEL-FREE HIGH-NITROGEN STAINLESS STEEL MATERIAL, THIN SEAMLESS TUBE OF NICKEL-FREE HIGH-NITROGEN STAINLESS STEEL, AND METHOD OF MANUFACTURING THE SAME - Provided is a method of rolling/drawing a nickel-free high-nitrogen stainless steel material, the method including: an intermediate annealing process S | 01-15-2015 |
20150034203 | BEARING COOLING CONTROL IN AN AIR CYCLE MACHINE - An air cycle machine has a housing which holds a compressor section, and a turbine section having an expansion area, and a fan section disposed outside of the housing. A shaft, which attaches to and is coaxial with the compressor section, the turbine section and the fan section, is supported by an air journal bearing and an air thrust bearing. The shaft has a hollow core for porting cooling air from the air journal bearing and the air thrust bearing, and a tube that extends into said expansion area and communicates cooling air from the turbine expansion area to the thrust bearing. | 02-05-2015 |
20150047735 | METHOD FOR HEAT TREATING A METAL TUBE OR PIPE, METAL TUBE OR PIPE, AND HEAT TREATMENT FURNACE - A method for heat treating a metal tube or pipe is provided to perform heat treatment in such a manner that metal tubes or pipes ( | 02-19-2015 |
20150059912 | HIGH STRENGTH STEEL PLATE HAVING LOW YIELD RATIO EXCELLENT IN TERMS OF STRAIN AGEING RESISTANCE, METHOD OF MANUFACTURING THE SAME AND HIGH STRENGTH WELDED STEEL PIPE MADE OF THE SAME - A steel plate has a chemical composition containing, by mass %, C: 0.03% or more and 0.08% or less, Si: 0.01% or more and 1.0% or less, Mn: 1.2% or more and 3.0% or less, P: 0.015% or less, S: 0.005% or less, Al: 0.08% or less, Nb: 0.005% or more and 0.07% or less, Ti: 0.005% or more and 0.025% or less, N: 0.010% or less, O: 0.005% or less and the balance being Fe and inevitable impurities, a metallographic structure including a bainite phase and island martensite, and a polygonal ferrite in surface portions within 5 mm from the upper and lower surfaces, wherein the area fraction of the island martensite is 3% to 15%, the equivalent circle diameter of the island martensite is 3.0 μm or less, the area fraction of the polygonal ferrite in the surface portions is 10% to less than 80%. | 03-05-2015 |
20150059913 | EXHAUST PIPE - The exhaust pipe comprises an inlet pipe, an outlet pipe and a bend portion arranged between the inlet pipe and the outlet pipe. The bend portion comprises an inlet bend and an outlet bend, wherein a central bend portion defines an intermediate section of inlet bend and outlet bend and wherein the inlet bend and the outlet bend each cover 50 percent of the total bend angle covered by the bend portion. The central bend portion comprises a diameter, which is smaller than a diameter of the inlet bend and of the outlet bend in a bending plane. In addition a bend radius R of the bend portion varies along the bend portion such that a bend radius of the inlet bend is larger than a bend radius of the outlet bend. | 03-05-2015 |
20150090361 | UOE STEEL PIPE AND STRUCTURE - A UOE steel pipe used to form a structure by performing butt circumferential welding and having an outside diameter shape in a waveform in a longitudinal direction is shaped to have no local minimum of the outside diameter shape in the waveform within a predetermined length from both longitudinal end portions. | 04-02-2015 |
20150122366 | WASTEWATER PIPE STRUCTURE - Disclosed herein is wastewater pipe having a shape that is operable to flow both small and large volumes of wastewater. The wastewater pipe includes a bottom portion with a different diameter than to top portion. The top and bottom portions of the wastewater pipe are connected by side walls that extend tangentially from the bottom portion and intersect tangentially with the top portion. The pipes may also variously include alignment tabs. | 05-07-2015 |
20150298402 | Carbon fiber composite material boom, production method thereof and truck-mounted concrete pump comprising the carbon fiber composite material boom - The present invention discloses a carbon fiber composite material boom, a production method thereof, and a truck-mounted concrete pump comprising the carbon fiber composite material boom. The production method of the carbon fiber composite material boom comprises: a flexible airbag is inflated to form an airbag in a first state and a carbon fiber prepreg is laid on the outer surface of the airbag in the first state to obtain a first transitional component; the first transitional component is put into a box-shaped mold and the airbag in the first state is inflated; the carbon fiber prepreg is compressed and shaped to obtain a second transitional component; the second transitional component is heated up and solidified, and cooled and de-molded after being solidified to obtain the carbon fiber boom. | 10-22-2015 |
20160017123 | Heavy Metal Free CPVC Compounds - The disclosed technology relates to chlorinated polyvinyl chloride (CPVC) compounds being free of heavy metals, particularly heavy metals in the form of stabilizer additives, the most common heavy metal being tin. | 01-21-2016 |
20160069483 | LEAD-FREE HIGH TEMPERATURE/PRESSURE PIPING COMPONENTS AND METHODS OF USE - A piping component for controlling the flow of fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and up to approximately 650° F. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than trace amounts of lead, less than trace amounts of bismuth, 2 to 6% silicon and a balance of copper (by weight). In certain aspects, less than 0.09% of lead and/or less than 0.09% bismuth are contained in the silicon-copper alloy. | 03-10-2016 |
20160138736 | ADDITIVE MANUFACTURING OF PIPES - Additive manufacturing of a pipe is disclosed. A lowering mechanism is configured to be coupled with respect to a platform and to lower a pipe through an opening in the platform. An extrusion head is configured to receive material and selectively extrude the material via a nozzle. A gantry is coupled to the extrusion head and is configured to move the extrusion head to an identified location. A controller is coupled to the gantry and configured to direct the gantry to move the extrusion head based on pipe data that identifies a geometry of the pipe. A stabilizer mechanism is configured to maintain the pipe in a desired position during the extrusion of the material. | 05-19-2016 |
20160161028 | SEAMLESS STEEL PIPE FOR LINE PIPE AND METHOD FOR PRODUCING THE SAME - There is provided a seamless steel pipe for line pipe, wherein a chemical composition consists, by mass percent, of C: 0.03-0.10%, Si: ≦0.50%, Mn: 1.0-2.0%, P: ≦0.050%, S: ≦0.005%, Cr: 0.05-1.0%, Mo: 0.01-0.30%, Al: 0.001-0.10%, N: ≦0.01%, Ni: 0.04-2.0%, Ca: 0.0005-0.0050%, Cu: 0-2.0%, Ti: 0-0.05%, Nb: 0-0.05%, V: 0-0.10%, the balance: Fe and impurities, and satisfies the conditions of Cu+Ni: ≧0.10%, and Mo+V: ≦0.30%, wherein in a scale formed on the surface of the steel pipe, metal particles consisting mainly of Ni or Cu having an average circle-equivalent diameter of 0.1-5 μm exist, and a distance from a boundary between the base metal of the steel pipe and the scale to a region in which the metal particles do not exist is 20 μm or longer. | 06-09-2016 |
20160161029 | Fluid Conduit - A fluid conduit comprises a wall defining a fluid flow path and a confinement feature within the wall and being configured to confine energy within a cavity, wherein at least a portion of the fluid flow path extends through the cavity. The confinement feature may be configured to confine electromagnetic energy. The fluid conduit may comprise an oscillator defined by the cavity and a positive feedback arrangement. The fluid conduit may be configured for sensing a property of a fluid present in or flowing through the fluid conduit or for use in sensing a property of a fluid present in or flowing through the fluid conduit. | 06-09-2016 |
20160167603 | CABLE DUCT AND METHOD FOR PRODUCING A THREE-DIMENSIONAL CABLE DUCT | 06-16-2016 |
20160177806 | Exhaust Outlet Elbow Center Divider Connection | 06-23-2016 |
20160184875 | Hot rolled steel sheet for oil country tubular goods, method for manufacturing the same and steel pipe manufactured using the same - Provided is a hot rolled steel sheet for oil country tubular goods (OCTG). The hot rolled steel sheet for oil country tubular goods (OCTG) according to an aspect of the present invention comprises C: 0.08 to 0.18 wt %, Si: 0.10 to 0.50 wt %, Mn: 1.2 to 2.0 wt %, P: 0.020 wt % or less, S: 0.003 wt % or less, Nb: 0.04 to 0.1 wt %, Cr: 0.05 to 0.5 wt %, Ti: 0.01 to 0.05 wt %, B: 0.0005 to 0.003 wt %, Ca: 0.001 to 0.006 wt %, N: 0.008 wt % or less, a balance of Fe and inevitable impurities, and satisfy Relational Expression 1, | 06-30-2016 |