Class / Patent application number | Description | Number of patent applications / Date published |
419010000 |
Metal and nonmetal in final product
| 189 |
419005000 |
Making composite or hollow article
| 156 |
419026000 |
Post sintering operation
| 130 |
419030000 |
Powder pretreatment (prior to consolidation or sintering)
| 119 |
419053000 |
Plural heating steps including sintering
| 60 |
419038000 |
Consolidation of powder prior to sintering
| 53 |
419002000 |
Making porous product
| 50 |
419023000 |
Powder shape or size characteristics
| 31 |
419048000 |
Heat and pressure simultaneously to effect sintering
| 22 |
419025000 |
Controlled cooling after sintering
| 9 |
419045000 |
Sintering which includes a chemical reaction | 5 |
20110020164 | PROCESS FOR SINTERING THERMOELECTRIC MATERIALS - The process for producing, processing, sintering, pressing or extruding thermoelectric materials with heat treatment under inert gas or under reduced pressure at temperatures in the range from 100 to 900° C. comprises producing, processing, sintering, pressing or extruding in the presence of oxygen scavengers which form thermodynamically stable oxides in the presence of free oxygen under the production, processing, sintering, pressing or extrusion conditions and hence keep free oxygen away from the thermoelectric material. | 01-27-2011 |
20110176952 | BINDER FOR THE PRODUCTION OF SINTERED MOLDED ARTICLES - The aim of the invention is to devise a binder that is an alternative to prior art binders for producing sintered molded articles. Said aim is achieved by a binder comprising a first substance that has a first melting point and a first vapor pressure at 80° C. and a second substance that has a second melting point and a second vapor pressure at 80° C., the maximum melting point of the first and second substance amounting to about 150° C., and the minimum vapor pressure of the first and second substance amounting to about 5 torr (667 Pa) at 80° C. | 07-21-2011 |
20110318216 | Method and Atmosphere for Extending Belt Life in Sintering Furnace - Disclosed herein is a method and gas atmosphere for a metal component in a continuous furnace. In one embodiment, the method and gas atmosphere comprises the use of an effective amount, or about 1 to about 10 percent volume of endo-gas, into an atmosphere comprising nitrogen and hydrogen. In another embodiment, there is provided a method sintering metal components in a furnace at a one or more operating temperatures comprising: providing a furnace comprising a belt comprising a wire mesh material wherein the metal components are supported thereupon; and sintering the components in the furnace in an atmosphere comprising nitrogen, hydrogen, and effective amount of endothermic gas at the one or more operating temperatures ranging from about 1800° F. to about 2200° F. wherein the amount of endothermic gas in the atmosphere is such that it is oxidizing to the wire mesh material and reducing to the metal components. | 12-29-2011 |
20120258008 | METHOD OF CONTROLLING THE CARBON OR OXYGEN CONTENT OF A POWDER INJECTION - The present invention relates to a method for controlling the carbon and/or oxygen content in a material by
| 10-11-2012 |
20150037197 | Oxygen Source-Containing Composite Nanometal Paste and Joining Method - An oxygen source-containing composite nanometal paste including at least composite nanometal particles, in which an organic coating layer is formed around a submicron or smaller silver core, and an oxygen source, which feeds oxygen contributing to pyrolysis at a pyrolysis temperature range in which the organic coating layer is pyrolyzed. The oxygen source comprises an oxygen-containing metal compound, and the oxygen content of the oxygen source is within a range of 0.01 mass % to 2 mass % per 100 mass % of the composite nanometal particles. | 02-05-2015 |
419003000 |
Making articles of indefinite length | 4 |
20130266467 | Providing Plastic Zone Extrusion - Plastic zone extrusion may be provided. First, a compressor may generate frictional heat in stock to place the stock in a plastic zone of the stock. Then, a conveyer may receive the stock in its plastic zone from the compressor and transport the stock in its plastic zone from the compressor. Next, a die may receive the stock in its plastic zone from the conveyer and extrude the stock to form a wire. | 10-10-2013 |
20100322811 | Method of manufacturing powder metal plates - A method of manufacturing powder metal plates comprising feeding a predetermined mass of metal powder onto a moving tape ( | 12-23-2010 |
20110243783 | Method for Producing a Semifinished Product and Semifinished Product for Electrical Contacts and Contact Piece - The invention relates to a method for producing a strand-like, particularly band-like semi-finished part for electrical contacts, wherein the semi-finished part has a top side intended for making the electrical contact, said top side made from a silver-based composite material in which one or multiple metal oxides or carbon are embedded, and has a carrier layer supporting the composite material made of silver or a silver-based alloy, said method having the following steps: Powder-metallurgic production of a block made from the silver-based composite material, encasing of the block made of the composite material with a powder made primarily of silver, compressing the block, encased by the metal powder, to condense the metal powder, sintering the compressed block, reshaping the sintered block by extrusion pressing, creating a partial strand with a top side made from composite material and a bottom side made from silver or a silver-based alloy. | 10-06-2011 |
20140056748 | METHOD FOR PRODUCTION OF ALLOYED TITANIUM WELDING WIRE - A method for producing a weldable titanium alloy and/or composite wire. The method includes: a) forming a green object by blending particulates of titanium sponge with one or more powdered alloying additions and cold compacting the blended mixture and subjecting the blended mixture including lubricant to pressure; b) forming a work body of alloyed titanium by heating the green object in a protected atmosphere and holding the temperature for a period of at least 4 hours, and then hot working the green object at a temperature of less than 200° C. apart from the beta transition temperature of the titanium alloy and shaping the green object to obtain an elongated profile; and c) forming the welding wire by placing the elongated profile of the work body in a rolling mill having one or more rolls disposed in series. | 02-27-2014 |
419056000 |
Special medium during sintering | 3 |
20100303664 | SINTERING OF BRIQUETTES - There is provided a method for sintering a metal powder, such as a green body briquette of a metal powder, which includes heating the metal powder by at least one DFI burner providing a flame for contacting said metal powder which is directly exposed to the flame of the at least one DFI burner. | 12-02-2010 |
20130149186 | DEVICE AND METHOD FOR SINTERING SINTER PRODUCTS - The invention relates to a device ( | 06-13-2013 |
20160052055 | SINTERING APPARATUS - A sintering apparatus ( | 02-25-2016 |
419046000 |
Alloying occurs during sintering | 1 |
20130315775 | RARE EARTH MAGNET AND METHOD FOR PRODUCING THE SAME - A rare earth magnet production method of the present invention includes a placing step of placing a magnet material including a compact or a sintered body of powder particles having a rare earth magnet alloy, and a diffusing material containing a diffusing element to improve coercivity, in a vicinity of each other; and a diffusing step of diffusing the diffusing element into an inside of the magnet material by exposing the magnet material heated to vapor of the diffusing element evaporated from the diffusing material heated; and wherein the diffusing step is a step of heating the diffusing material independently of the magnet material to diffusing material temperature which is different from heating temperature of the magnet material called magnet material temperature. | 11-28-2013 |
419044000 |
Pretreatment of consolidated powders | 1 |
20150104345 | METHOD OF MANUFACTURING AN ORTHODONTIC BRACKET HAVING A LASER SHAPED GREEN BODY - A green metal body includes metal particles and a binder in the shape of an orthodontic bracket and/or base plate. The green metal body is fabricated by being laser-cut with a laser to shape the green metal body into the shape of an orthodontic bracket and/or to carve recesses and/or undercuts into the bonding surface of the bracket. The green metal body is sintered to shrink its volume into a denser and less porous sintered metal body configured to be an orthodontic bracket. The resultant sintered orthodontic bracket includes recesses and/or undercuts in the bonding surface to provide a mechanical aspect when bonded to a tooth. | 04-16-2015 |
Entries |
Document | Title | Date |
20090098004 | Method for Hot Isostatic Pressing - A method for the treatment of metal articles by hot isostatic pressing, wherein air is used as the pressure medium for the hot isostatic pressing. | 04-16-2009 |
20090202378 | METHOD OF FORMING AN ARTICLE - From one aspect, a method of forming a support for use in a selective sintering or melting process includes forming a body on a platen having a plurality of generally parallel channels each channel being open at least one end. The base of the channels may be formed by the platen. Preferably the support is formed by a selective sintering or melting process. | 08-13-2009 |
20090252634 | METALLIC POWDER MIXTURES - The invention relates to mixtures of metal, alloy or composite powders which have a mean particle diameter D50 of not more than 75 μm, preferably not more than 25 μm, and are produced in a process in which a starting powder is firstly deformed to give platelet-like particles and these are then comminuted in the presence of milling aids together with further additives and also the use of these powder mixtures and shaped articles produced therefrom. | 10-08-2009 |
20100098573 | BOX-TYPE SINTERING CYCLE METHOD AND APPARATUS - The present disclosure relates to the sintering cycle method and apparatus of a kind of box-type sintering machine, which is peculiarly applicable to the production of lightweight aggregate using fly ash or industrial waste by sintering process. This apparatus includes four conveying systems, ignition station #1, ignition station #2, one tilt discharger, and one crusher; the box-type sintering stacking line A and B are straight and parallel, sharing one coarse dust collector; each box-type sintering stacking line is equipped with overhead workstation gantry crane rails and cranes, and each crane comprises two parts, i.e., hoist system and single rail trolley system; each box-type sintering stacking line has multiple sinter boxes; each sinter box has an air chamber below, under which there is the air chamber pipeline connected to the coarse dust collector. The present disclosure is a brand new cycle method and box-type sintering apparatus, resolving the long-standing issues of equipment waste and low efficiency associated with all sintering machines that return the empty sintering carts or boxes to the starting position following discharge, while also improving output efficiency, reducing the amount of equipment needed and related investment therein and considerably enhancing the reliability of system operation. | 04-22-2010 |
20100119400 | HIGH NOBLE DENTAL ALLOY - A silver free high noble dental alloy comprising at least 60 wt. % noble materials, where 40 wt. % of the material is gold; at least 2.5 wt. % gallium, at least about from 2 to 4 wt. % cobalt; and at least from about 0.01 to 0.25 wt. % lithium and/or boron; and a principal balance of palladium is provided. Dental products and methods of manufacturing dental products using such a high noble dental alloys are also provided. | 05-13-2010 |
20120237385 | Binderless Metal Injection Molding Apparatus and Method - A metal injection molding apparatus includes a metal injection mold die having first and second die halves, a first set of features provided in the first die half, a second set of features provided in the second die half and complementary to the first set of features provided in the first die half and an ultrasonic transducer disposed in contact with the metal injection mold die. A binderless metal injection molding method is also disclosed. | 09-20-2012 |
20130064706 | OPTICAL IRRADIATION UNIT FOR A PLANT FOR PRODUCING WORKPIECES BY IRRADIATION OF POWDER LAYERS WITH LASER RADIATION - The present invention relates to an optical irradiation unit ( | 03-14-2013 |
20140079582 | METHOD FOR THE PRODUCTION OF A LATTICE PART MADE OF METAL - We describe a lattice part made of metal and a method for producing a lattice part made of metal or a metal alloy. The lattice has a thickness of less than 1 mm at a size of the gaps of less than 50 mm | 03-20-2014 |
20140086780 | METHODS AND SYSTEMS FOR OPTIMIZING DESIGN AND MANUFACTURE OF IMPLANT COMPONENTS USING SOLID FREEFORM FABRICATION - Disclosed are methods and systems for improving the quality, throughput and efficiency of Solid Free Form manufacture of implant components. | 03-27-2014 |
20140112818 | METHOD FOR PRODUCING POWDER FOR MAGNET - Provided are a method for producing powder for a magnet, and methods for producing a powder compact, a rare-earth-iron-based alloy material, and a rare-earth-iron-nitrogen-based alloy material. Magnetic particles constituting the powder each have a texture in which grains of a phase of a hydride of a rare-earth element are dispersed in a phase of an iron-containing material. The uniform presence of the phase of the iron-containing material in each magnetic particle results in powder having excellent formability, thereby providing a powder compact having high relative density. The powder is produced by heat-treating rare-earth-iron-based alloy powder in a hydrogen atmosphere to separate the rare-earth element and the iron-containing material and then forming a hydride of the rare-earth element. The powder is compacted. The powder compact is heat-treated in vacuum to form a rare-earth-iron-based alloy material. The rare-earth-iron-based alloy material is heat-treated in a nitrogen atmosphere to form a rare-earth-iron-nitrogen-based alloy material. | 04-24-2014 |
20140147326 | PROCESS FOR PRODUCTION OF SINTERED COPPER ALLOY SLIDING MATERIAL AND SINTERED COPPER ALLOY SLIDING MATERIAL - Seizure resistance and wear resistance of Cu—Bi—In copper-alloy sliding material are enhanced by forming a soft phase of as pure as possible Bi. Mixed powder of Cu—In cuprous alloy powder and Cu—Bi containing Cu-based alloy powder is used. A sintering condition is set such that Bi moves outside particles of said Cu—Bi containing Cu-based powder and forms a Bi grain-boundary phase free of In, and In diffuses from said Cu—In containing Cu-based powder to said Cu—Bi containing Cu-based powder. | 05-29-2014 |
20140234151 | METHOD OF MANUFACTURING AN ARTICLE FROM POWDER MATERIAL AND AN APPARATUS FOR MANUFACTURING AN ARTICLE FROM POWDER MATERIAL - An apparatus for manufacturing an article from powder material includes a canister, a sorter, a plurality of hoppers and at least one valve. The canister has a predetermined internal shape to define the shape of the powder metal article. The sorter sorts the powder material by the size of the powder particles, the shape of the powder particles and/or the flow characteristics of the powder particles. The hoppers contain powder material with different sizes of powder particles, different shapes of powder particles and/or powder particles with different flow characteristics. The hoppers are arranged to supply the sorted powder material to the canister. The at least one valve controls the proportions of the different powder materials supplied from the one or more of the different hoppers into the canister to control the packing density of the powder material in the canister at all positions in the canister. | 08-21-2014 |
20140271317 | BIOCOMPATIBLE Co-Cr-Mo ALLOY - The present invention is to provide a Co—Cr—Mo alloy excellent in mechanical properties such as yield strength and tensile strength. The present invention is a biocompatible Co—Cr—Mo alloy comprising, in mass %, more than 30% and not more than 36% of Cr, 5 to 8% of Mo, 0.20 to 0.65% of N, and the balance consisting of Co and inevitable impurities, and produced by layered manufacturing. The biocompatible Co—Cr—Mo alloy of the present invention preferably has a solidification structure of a dendrite structure and the primary arm spacing of the dendrite structure is not more than 5 μm. | 09-18-2014 |
20140301883 | METHOD AND APPARATUS FOR PRODUCING THREE-DIMENSIONAL WORK PIECES - A method for producing three-dimensional work pieces comprises the steps of supplying gas to a process chamber accommodating a carrier and a powder application device, applying a layer of raw material powder onto the carrier by means of the powder application device, selectively irradiating electromagnetic or particle radiation onto the raw material powder applied onto the carrier by means of an irradiation device, discharging gas containing particulate impurities from the process chamber, and controlling the operation of the irradiation device by means of a control unit such that a radiation beam emitted by at least one radiation source of the irradiation device is guided over the layer of raw material powder applied onto the carrier according to a radiation pattern containing a plurality of scan vectors. | 10-09-2014 |
20140314609 | METHOD AND APPARATUS FOR FORMING A THREE-DIMENSIONAL ARTICLE - An apparatus for forming at least one three-dimensional article by fusing parts of a powder bed layer-wise. The apparatus comprising a powder distributor and an energy beam for fusing the powder layer. Said powder distributor comprises a first part being an elongated rod provided movable at a predetermined distance above the powder bed and with its central axis in parallel with a top surface of said work table and second part being a metal foil having at least a first and a second opposite edge portions. Said metal foil is provided between said elongated rod and said work table, said first and second opposite edge portions are attached to said elongated rod so that a distance between said first and second edge portions is smaller than the distance between said first and second edge portions of said metal foil when said metal foil is in a flat position. | 10-23-2014 |
20140328710 | SYSTEM AND PROCESS FOR FRICTION CONSOLIDATION FABRICATION OF PERMANENT MAGNETS AND OTHER EXTRUSION AND NON-EXTRUSION STRUCTURES - A die tool and process are described that provide friction consolidation fabrication and friction consolidation extrusion fabrication products including permanent magnets, and other extrusion and non-extrusion structures. The present invention overcomes previous particle size, texture, homogeneity and density limitations in conventional metallurgy processes. | 11-06-2014 |
20140377117 | POWDER APPLICATION APPARATUS AND METHOD OF OPERATING A POWDER APPLICATION APPARATUS - A powder application apparatus is provided for use in a device for manufacturing work pieces by exposing powder layers to electromagnetic radiation or particle radiation. The powder application apparatus comprises a first powder storage provided in a first part of the powder application apparatus and configured to receive and store raw material powder. The powder application apparatus further comprises a first powder supply channel provided in a second part of the powder application apparatus and configured to discharge raw material powder from the first powder storage onto a carrier located below the apparatus. A first channel opening/closing element is configured to be moved between a first position to allow the discharge of raw material powder from the first powder storage onto the carrier, and a second position in which the discharge of raw material powder from the first powder storage onto the carrier is presented. | 12-25-2014 |
20150017051 | METHOD OF SPEEDILY FORMING DENTAL IMPLANT AUXILIARY DEVICES - A method of speedily forming dental implant auxiliary devices comprises a tooth mold reproducing step, a processing drawing setting step, and a formation step. In the tooth mold producing step, a buccal mold is made according to a shape of an oral cavity; in the processing drawing setting step, an implant marked object is designed in respect to the buccal mold for setting a three-dimensional processing drawing of a dental implant auxiliary device; and in the formation step, the drawing is input to a laser sintering and forming system, so that the system directly and quickly forms and shapes the implant fixing device according to the three-dimensional drawing. The method reduces the manufacture time effectively and increases the manufacture precision, which allows the metal implant to be correctly implanted in surgery for enhancing a success rate of the surgery and reducing manufacture costs. | 01-15-2015 |
20150104344 | Methods and Systems for Coherent Imaging and Feedback Control for Modification of Materials - Methods and systems are provided for using optical interferometry in the context of material modification processes such as surgical laser or welding applications. An imaging optical source that produces imaging light. A feedback controller controls at least one processing parameter of the material modification process based on an interferometry output generated using the imaging light. A method of processing interferograms is provided based on homodyne filtering. A method of generating a record of a material modification process using an interferometry output is provided. | 04-16-2015 |
20150125333 | BELOW SURFACE LASER PROCESSING OF A FLUIDIZED BED - A system and process of additive manufacturing using a fluidized bed of powdered material ( | 05-07-2015 |
20150132173 | LASER PROCESSING OF A BED OF POWDERED MATERIAL WITH VARIABLE MASKING - An additive manufacturing apparatus ( | 05-14-2015 |
20150290878 | METHOD AND APPARATUS FOR MAKING TANGIBLE PRODUCTS BY LAYERWISE MANUFACTURING - The invention relates to a method and a production line for making tangible products by layerwise manufacturing. | 10-15-2015 |
20150307967 | AMORPHOUS ALLOY POWDER FEEDSTOCK PROCESSING - Described herein is a method of producing a feedstock comprising a BMG. A powder is compacted to for the feed-stock. The powder has elements of the BMG and the elements in the powder have a same weight percentage as in the BMG. Described herein is a method of producing a feedstock comprising a BMG. A powder is compacted into a sheath to for the feedstock. The powder and the sheath together have elements of the BMG and the elements in the powder have a same weight percentage as in the BMG. | 10-29-2015 |
20150343664 | Method and Apparatus for Three-Dimensional Additive Manufacturing with a High Energy High Power Ultrafast Laser - Methods and systems for three-dimensional additive manufacturing of samples are disclosed, including generating electromagnetic radiation from an ultrashort pulse laser, wherein the electromagnetic radiation comprises a wavelength, a pulse repetition rate, a pulse width, a pulse energy, and an average power; focusing the electromagnetic radiation into a focal region; directing one or more powders and one or more carrier gases into the focal region; and using a computer to adjust the micro and macro pulses, macro pulse repetition rate, and the average power of the ultrashort pulse laser. The samples may be made with micron and/or submicron level precision and/or feature size and may be made using high temperature materials. Other embodiments are described and claimed. | 12-03-2015 |
20150375336 | Methods and Systems for Coherent Imaging and Feedback Control for Modification of Materials - Methods and systems are provided for using optical interferometry in the context of material modification processes such as surgical laser or welding applications. An imaging optical source that produces imaging light. A feedback controller controls at least one processing parameter of the material modification process based on an interferometry output generated using the imaging light. A method of processing interferograms is provided based on homodyne filtering. A method of generating a record of a material modification process using an interferometry output is provided. | 12-31-2015 |
20160133402 | METHOD AND DEVICE FOR PRODUCING CONTACT ELEMENTS FOR ELECTRICAL SWITCH CONTACTS - A method is disclosed for improving the production of electrical switch contacts, in particular for vacuum tubes. In the method, an electrical or electromagnetic field assists and/or effects a sintering process. In the method, the sintering process takes place on a metallic carrier, and via the method, semi-finished contact elements for electrical switch contacts, contact elements for electrical switch contacts, and/or electrical switch contacts, in particular for vacuum tubes, are produced. | 05-12-2016 |
20190143411 | METHOD FOR MANUFACTURING A SEMI-FINISHED PRODUCT AND A WORKPIECE | 05-16-2019 |