Entries |
Document | Title | Date |
20080296794 | Underwater Pelletizing Machine and Method of Extruding Foamed Thermoplastic Pellets - A pelletizing machine for forming pellets from extruded material includes an extruder having at least one exit port and a body defining a cutting chamber through which high-temperature liquid flows, flooding the cutting chamber. The exit port of the extruder opens into the cutting chamber, which includes a cutting section defining a flow path for liquid through the cutting section. A cutter in the cutting section of the cutting chamber is mounted for rotation about an axis generally perpendicular to the first direction and disposed for cutting the extruded material exiting the exit port into the pellets. The axis of rotation of the cutter is parallel to or coincident with the flow path of the cutting section. A method for forming pellets of thermoplastic material with a foaming agent is also disclosed. | 12-04-2008 |
20090079102 | METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE - A method for producing a microporous polyolefin membrane by extruding a melt blend comprising a polyethylene resin, polypropylene having a mass-average molecular weight of 1×10 | 03-26-2009 |
20090127731 | MANUFACTURING METHOD OF FOAMED HEAT-INSULATING MATERIAL UTILIZING PAPER AND STARCH - A foamed heat insulating material made of paper, starch and a polymer resin, specifically, polypropylene, and methods of manufacturing the same. The method includes providing paper powder, starch, and polypropylene as a major component of the foamed insulating material by setting a weight amount of the starch to be higher than that of the paper powder, setting a weight ratio of the polypropylene not greater than about 50 weight percent (%) of the major component, and the setting of a melt flow rate of the polypropylene to be between about 1 and about 15 g/10 min; and foaming the major component by adding water to the extruder. | 05-21-2009 |
20090134541 | Method for Foam Injection Molding of Thermoplastic Resin - A method for injection foaming molding of a thermoplastic resin includes the steps of (1) injecting the foaming-agent-containing plasticized resin from an injection apparatus | 05-28-2009 |
20090146334 | METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE AND MICROPOROUS MEMBRANE - A microporous polyolefin membrane having large pore diameters and excellent air permeability, mechanical strength and compression resistance can be obtained by (a) stretching a gel molding comprising a polyolefin and a membrane-forming solvent at least uniaxially at a temperature from the crystal dispersion temperature of the polyolefin +15° C. to the crystal dispersion temperature of the polyolefin +40° C., removing the membrane-forming solvent, and then stretching again the resultant membrane to 1.1 to 2.5 fold at least uniaxially, or by (b) stretching the gel molding at least uniaxially, bringing the stretched film into contact with a hot solvent before and/or after removing the membrane-forming solvent, and then stretching again the resultant membrane to 1.1 to 2.5 fold at least uniaxially. | 06-11-2009 |
20100001424 | METHOD FOR FILLING A FOAM MIXTURE IN A CAVITY OF A METAL MOLD AND AN APPARATUS FOR MOLDING A MOLD - This invention intends to provide a method for filling a foam mixture in a cavity of a metal mold, which method can produce a mold without defects. | 01-07-2010 |
20100032856 | COATED FOAM BEADS AND PROCESS FOR PRODUCING HALOGEN-FREE, FIRE-RESISTANT BEAD FOAM MOLDINGS - A process for producing coated foam particles, in which an aqueous polymer dispersion is applied to the foam particles and is subsequently dried to form a water-insoluble polymer film, and also foam moldings produced therefrom and their use. | 02-11-2010 |
20100044901 | Porous vinylidene fluoride resin membrane for water treatment and process for producing the same - A water treatment membrane comprising a porous membrane of vinylidene fluoride resin, wherein 0.01-5 wt. parts of photocatalytic titanium oxide is uniformly dispersed in 100 wt. parts of the vinylidene fluoride resin. The water treatment membrane can solve problems accompanying the hydrophobicity of a porous membrane of vinylidene fluoride resin while taking advantage of excellent mechanical properties, weatherablility, chemical resistance, etc., thereof. | 02-25-2010 |
20100230843 | MICROFILTRATION MEMBRANE WITH IMPROVED FILTRATION PROPERTIES - Method for producing this membrane from a casting solution comprising the hydrophobic first sulfone polymer and the hydrophilic second polymer in a solvent system, the method comprising the steps of pouring the casting solution, conditioned to a molding temperature, onto a carrier to form a film, which carrier has a temperature that is higher in comparison to the molding temperature, conveying the film through a climate-controlled zone, initiating the coagulation in a coagulation bath for the formation of a membrane structure, withdrawing the membrane structure from the carrier with a speed that is increased in comparison to the carrier speed, stabilizing, extracting, and subsequently drying the membrane. | 09-16-2010 |
20100301509 | COATING COMPOSITION FOR FOAM PARTICLES, AND METHOD FOR THE PRODUCTION OF MOLDED FOAM BODIES - The invention relates to a coating composition comprising | 12-02-2010 |
20110062613 | FOAM MOLDING MOLD AND FOAM MOLDING METHOD - A mold for foam molding which can sufficiently prevent burrs from being formed on a molded product, and a foam molding method using the mold are provided. A groove | 03-17-2011 |
20110062614 | MOLD AND METHOD FOR MOLDING RESIN FOAMED MOLDING - Provided is a mold which can be configured to be able to properly exhaust gas from a cavity and to prevent resin from entering into a vent hole, and a method for molding resin foamed molding using the mold. The mold | 03-17-2011 |
20110204536 | INJECTION-FOAMABLE STYRENIC MONOMER-DIOLEFIN COPOLYMER, A METHOD FOR THE PREPARATION THEREOF AND USE THEREOF - A styrenic monomer-diolefin copolymer comprises polystyrenic monomer micro-blocks and polydiolefin micro-blocks, in which the content of styrenic monomer units is 10-80 wt %, the ratio of diolefin units of 1,2-structure is less than 30% in the total diolefin units, and the number-average molecular weight (Mn) of the copolymer is 25,000-500,000. The preparation methods and uses in foam products thereof are also disclosed. | 08-25-2011 |
20110278755 | POROGEN COMPOSITIONS, METHOD OF MAKING AND USES - The present specification discloses porogen compositions comprising a core material and shell material, methods of making such porogen compositions, methods of forming such porous materials using such porogen compositions, biocompatible implantable devices comprising such porous materials, and methods of making such biocompatible implantable devices. | 11-17-2011 |
20120007266 | FOAM PATTERNS - A method of creating a foam pattern comprises mixing a polyol component and an isocyanate component to form a liquid mixture. The method further comprises placing a temporary core having a shape corresponding to a desired internal feature in a cavity of a mold and inserting the mixture into the cavity of the mold so that the mixture surrounds a portion of the temporary core. The method optionally further comprises using supporting pins made of foam to support the core in the mold cavity, with such pins becoming integral part of the pattern material simplifying subsequent processing. The method further comprises waiting for a predetermined time sufficient for a reaction from the mixture to form a foam pattern structure corresponding to the cavity of the mold, wherein the foam pattern structure encloses a portion of the temporary core and removing the temporary core from the pattern independent of chemical leaching. | 01-12-2012 |
20120013035 | MIXING HEAD APPARATUS AND MOLDING METHOD USING THE APPARATUS - The present invention provides a low-cost and highly productive mixing head apparatus that achieves high agitation of a liquid blend and improves the smooth flow of the liquid blend from a discharge port, and a molding method using the same. In the mixing head apparatus wherein two types of chemically reactive fluid component materials | 01-19-2012 |
20120091612 | THERMOPLASTIC RESIN FOAM AND PRODUCTION PROCESS THEREOF - A die plate for a die block can have a coat-hanger-shaped flow path for extruding a molten foamable thermoplastic resin in a form of a sheet. The die plate can be on a downstream side of the coat-hanger-shaped flow path to make a flow rate of the molten foamable thermoplastic resin uniform in a width direction. The die plate can have a multiplicity of delivery apertures. The delivery apertures in opposite side regions can have a diameter greater than a diameter which the delivery apertures in a center region have. A die unit can include a die block, which has a multiple bifurcated manifold terminating in plural coat-hanger-shaped flow paths at downward ends thereof, and a like plural number of similar die plates as described above. A process for producing a wide thermoplastic resin foam can use the die unit. | 04-19-2012 |
20120313278 | MOLDED SINGLE-BLOCK FRAME AND COLLECTOR INCLUDING SAME - The invention relates to monobloc frames moulded in an expansible insulating plastic material, particularly frames for moulded insulating collectors. The invention also relates to said collectors, and particularly to moulded insulating collectors for solar thermal or photovoltaic panels. | 12-13-2012 |
20120319317 | METHOD OF MAKING AN ANISOTROPIC FILTRATION MEDIA - A method of making an anisotropic filtration media includes foaming a media, straining the media in a selected direction, and relieving strain of the media in the selected direction | 12-20-2012 |
20130026670 | METHOD FOR FILLING HOLLOW CAVITIES WITH POLYMER FOAM - Cavities are partially or entirely filled with a polymer foam. A flexible, porous mesh tube is introduced into the cavity. The mesh tube has a volume smaller than that of the cavity and has openings. A foamable liquid mixture is introduced into the mesh tube. Despite the presence of the openings, the foamable liquid mixture does not pass through the openings in the mesh tube. The captured liquid composition then expands. As the composition expands, it flows through the openings in the mesh tube and makes contact with the walls of the cavity. After curing, a polymer foam is obtained which adheres to the cavity walls. | 01-31-2013 |
20130032962 | POROGEN COMPOSITIONS, METHODS OF MAKING AND USES - The present specification discloses porogen compositions comprising a core material and shell material, methods of making such porogen compositions, methods of forming such porous materials using such porogen compositions, biocompatible implantable devices comprising such porous materials, and methods of making such biocompatible implantable devices. | 02-07-2013 |
20130075944 | METHOD FOR PRODUCING POLYCARBONATE RESIN FOAM MOLDED ARTICLE - The present invention provides a foamed molded article production method that can produce polycarbonate resin foamed blow-molded articles, etc. Which are good over a wide range of densities. The present invention is a method for producing a foamed molded article including extruding a foamable molten resin, formed by kneading a polycarbonate resin, a polyester resin in an amount of 5 to 100 parts by weight per 100 parts by weight of the polycarbonate resin and a foaming agent, from a die to obtain a foamed parison, and molding the foamed parison in a softened state in a mold. The polyester resin is a polyester copolymer containing diol component units, 10 to 80 mol % of which are glycol component units each having a cyclic ether structure, and dicarboxylic acid component units. | 03-28-2013 |
20130161853 | SHRINKABLE FIBER FOR POROUS MOLDED BODY - To provide an add-in material to be added to a porous molded body base, the add-in material being capable of developing a pore of appropriate size efficiently without degrading the formability and productivity of a porous molded body, particularly a porous fired body when producing the porous molded body. A shrinkable fiber composed of a thermoplastic resin and to be dispersed in a base of a porous molded body, particularly a porous fired body, wherein the shrinkable fiber has a fiber diameter of 10 to 40 μm, a fiber length of 1 to 20 mm, and a dry-heat shrinkage percentage of at least 8% when subjected to heat treatment at 80° C. for 5 minutes. | 06-27-2013 |
20130241097 | Method for Producing Porous Monolith - A method for producing a monolithic porous body having a trimodal hierarchical porous structure by a sol-gel method is provided. The method includes a sol preparation step of preparing a precursor sol, a gelation step of inducing a sol-gel transition and a phase separation in parallel on the precursor sol in a gelation container housing a template obtained by configuring organic polymer fibers into an aggregation having a three-dimensional spread, to form a gel made of a co-continuous structure of a hydrogel phase and a solvent phase, in the space around the organic polymer fibers, and a removal step of removing the solvent phase and the organic polymer fibers individually or simultaneously from the gel. The organic polymer fibers have a structure in which the cross section perpendicular to the longitudinal direction is contractible while the extension in the longitudinal direction is restricted. Template holes, through-pores and smallpores are formed in voids remaining after the removal of the organic polymer fibers, voids remaining after the removal of the solvent phase, and a skeleton of the hydrogel phase, respectively. | 09-19-2013 |
20130256933 | MICROPOROUS POLYETHYLENE MEMBRANE, ITS PRODUCTION METHOD AND BATTERY SEPARATOR - A microporous polyethylene membrane made of a polyethylene resin comprising 15% or less by mass of ultra-high-molecular-weight polyethylene having a mass-average molecular weight of 1×10 | 10-03-2013 |
20130320579 | Forming Device for Insulation - A forming device includes a closure and an exterior face. The closure is sized and shaped to substantially close off an opening of a select space, and the exterior face is configured to confront and shape insulation. The forming device may further include a plurality of lip members extending away from the closure, the lip members being contiguous with the closure and generally surrounding the closure. The lip members may be curved. | 12-05-2013 |
20130328229 | PROCESS AND DEVICE FOR PRODUCING AN INJECTION MOULDING - A process is described for producing an injection moulding ( | 12-12-2013 |
20140008833 | Non ionic groups of amphoteric polysaccharide linear or branched alkyl or acid and base distillation reservoir liquid or gas solids particle and Nano particle dispersion and recovery basin in vacuum processing for Building Materials and High Wear-Heat Resistant Parts Brushes; Windings; Coils; Battery Cells; Brake Pads; Bushings; And 2.5 Phase Extrusion Die Cast Molding - The variable hydraulic preform slurry electrolyte carbon extrusion high wear-heat resistant parts press is utilized process specified scientific formula liquid or gas Nano particle dispersion preform slurry electrolyte extrusion carbon nanofoam CNFs, with or without ionic suspension element | 01-09-2014 |
20140077405 | Manufacturing Device and Manufacturing Method of Polyolefin Microporous Film - Devices and methods of manufacturing a polyolefin microporous film are disclosed. An exemplary device includes a movement mechanism having a constraining means capable of mechanically constraining both widthwise edge parts of the strip-like and film-like microporous film precursor in the drying chamber; a drying means and a liquid seal tank. An exemplary method includes a step for mechanically constraining both widthwise edge parts of the strip-like and film-like microporous film precursor and a step for conveying the foregoing film precursor into the drying chamber. Another exemplary method includes a step for mechanically constraining both widthwise edge parts of the strip-like and film-like microporous film precursor at an entrance side of the drying chamber, a step for commencing extracting of the plasticizer from the film-like microporous film precursor, and a step for conveying the strip-like and film-like microporous film precursor into the drying chamber and for heating the foregoing film precursor. | 03-20-2014 |
20140145363 | AQUEOUS EMULSION RESIN FOR PRODUCING MEMORY FOAM AND METHOD FOR MANUFACTURING MEMORY FOAM PRODUCT - An aqueous emulsion resin for producing memory foam and a method for manufacturing memory foam products are revealed. The emulsion resin mainly includes 38˜58% hydrophilic polyurethane(PU) prepolymer, 8˜22% aqueous emulsion polymer and 8˜20% polyether polyol. The PU prepolymer includes 40˜70% polyether polyol and 30˜60% isocyanate while the molecular weight of polyether polyol is ranging from 60 to 1800. The polyether polyol contains at least 40 mol % amount of ether group and the amount of ether group is 18˜99.9%. The hydrophilic emulsion resin features on good vibration absorption, even pressure relief, moisture absorption, heat absorption, and low temperature resistance. While in contact with bodies, users feel cool and dry. Moreover, the resin will not become rigid at the temperature lower than 10° C. The comfort of the foam is improved and the applications of the foam are increased. | 05-29-2014 |
20140159269 | METHOD FOR MOLDING THREE-DIMENSIONAL FOAM PRODUCTS USING A CONTINUOUS FORMING APPARATUS - A continuous forming apparatus for molding foam material into foam products that includes a first endless belt and a second endless belt that cooperates with the first endless belt to mold the foam material. The continuous forming apparatus may also include a first plurality of cleats and a second plurality of cleats opposed to the first plurality of cleats that support the first endless belt and the second endless belt respectively. The first plurality of cleats may include a three-dimensional abutment surface that provides transverse and lateral support to the first endless belt. Additionally, the continuous forming apparatus may include a first frame disposed to support the first plurality of cleats, a second frame disposed to support the second plurality of cleats, and a drive mechanism for imparting motion to the first endless belt, the second endless belt, the first plurality of cleats, and the second plurality of cleats. | 06-12-2014 |
20140210121 | Semi Permanent Tool Coating Enhancement for Extended Number of Releases - A mold release agent having an extended life and methods for making and using the same are provided. The extended life mold release agent may include a first material configured to be placed in direct physical contact with a surface of a mold cavity to seal the surface. The extended life mold release agent may also include a second material configured to coat the first material to protect the first material during a foam production process performed within the mold cavity. The second material includes a siloxane oil. | 07-31-2014 |
20140232033 | Porous Membrane - A membrane comprises a sheet of expanded polytetrafluoroethylene. The sheet includes a first extrudate made from a first PTFE fine powder resin mixed with processing lubricant at a first lube rate. A second extrudate is made from the first PTFE fine powder resin mixed with processing lubricant at the first lube rate. The first and second extrudates combined into an integrated tape structure that is stretched in first and second directions. The sheet is porous and has a gas permeability of at least 0.1 CFM according to ASTM D737. The sheet has an average Mullen Hydrostatic Burst pressure in the range of 135 psi to 175 psi according to ASTM D751. | 08-21-2014 |
20140306366 | MOLDING DIE AND MOLDING METHOD - A molding die for molding a foam molding in a cavity constituted in the interior by matching a stationary die and a movable die, the cavity being able to be filled with molten resin, and the foam molding being produced using counter-pressure. A seal material for sealing the pressurization area for the counter pressure technique between the stationary die and the movable die is provided to the molding die, and the seal material is constituted of an elastic foam that has open cells. | 10-16-2014 |
20140367876 | VENTED MOLD AND METHOD FOR PRODUCING MOLDED ARTICLE - The invention relates mold, particularly a mold for producing foam articles. In a preferred embodiment, the mold comprises a lid and a bowl releasingly engageable to define a mold cavity, the lid comprising: (i) a vent having a passageway for gas to escape from the mold cavity, and (ii) a plurality of grooves connected to the vent. The use of a plurality of grooves/slots in the mold cavity surface effectively acts as a siphon to draw gas away from the composition to be molded. The plurality of grooves/slots is connected to one or more vents which then allows for escape of the gas from the mold cavity to the exterior of the mold. | 12-18-2014 |
20140374937 | BATTERY SEPARATORS WITH VARIABLE POROSITY - A porous polymer battery separator is provided that includes variable porosity along its length. Such battery separators can increase the uniformity of the current density within electrochemical battery cells that may normally experience higher current density and higher temperatures near their terminal ends than they do near their opposite ends. By disposing a variable porosity separator between the electrodes of an electrochemical cell such that its terminal end has a lower porosity than its opposite end, the transport of ions, such as lithium ions, through the separator can be more restricted in normally high current regions and less restricted in normally low current regions, thereby increasing the overall uniformity of current density within the battery cell. Variable porosity battery separators may be produced by a dry-stretching process or by a wet process. These processes may include forming a polymer-containing film, producing a uniform distribution of pore sites within the film, and reforming the polymer-containing film to a uniform thickness. | 12-25-2014 |
20150035191 | SYSTEMS AND METHODS FOR SEALED CAST METAL MOLDS - The invention relates generally to cast metal molds that are used in the manufacture of polymer parts, and more specifically, to methods tier sealing cast metal molds used in the manufacture of polymer parts. One embodiment of the present technique relates to a cast metal mold having a sealant disposed within the pores on the surface of a mold cavity such that the sealant is configured to seal the surface of the mold cavity to produce a sealed surface. The sealed surface is blocked from absorbing or releasing gases during the production of a polymer part. The mold further includes a surface coating to facilitate the release of a product from the mold cavity. The surface coating includes a fluoropolymer base layer, which configured to adhere to the sealed surface of the mold cavity. | 02-05-2015 |
20150321403 | SYSTEMS AND METHODS FOR MOLDING - A mold for molding an object having a section of increased thickness includes a mold cavity including a first zone and a second zone and a means for providing a different thermal conductivity at the first and second zone of the mold cavity. | 11-12-2015 |
20150328614 | METHOD FOR PRODUCTION OF HOLLOW PARTICLE - Provided is a method for the production of a hollow particle, which can easily produce a hollow particle having plural spaces formed inside. The method for the production of a hollow particle is a method for the production of a hollow particle having plural spaces inside thereof, which comprises dispersing an oil-phase liquid prepared by dissolving or dispersing a polymerizable monomer and an oil-soluble polymerization initiator having polymerization initiation ability for the polymerizable monomer in a hydrophobic solvent, in an aqueous medium containing a water-soluble polymerization initiator having polymerization initiation ability for the polymerizable monomer, to form an oil droplet; and applying the oil-soluble polymerization initiator and the water-soluble polymerization initiator at the same time to the polymerizable monomer, and polymerizing the polymerizable monomer, to form a shell dividing plural spaces in a particle. | 11-19-2015 |
20160016341 | METHOD FOR MAKING IMPACT-ABSORPTIVE MATERIAL - A method for making an impact-absorptive material is introduced. The method involves mixing silicon dioxide (SiO | 01-21-2016 |
20160039124 | METHOD AND APPARATUS FOR PELLETIZING BIOMATERIAL COMPOSITES - A process for preparing low moisture content polymer biomaterial composites and expandable polymer biomaterial composites by extrusion through a die plate into a waterbox and pelletizing with cutter blades. Polyolefins or condensation polymers are melt blended with a solid or semi-solid biomaterial component, such as polysaccharides, including cellulosics and starches, or proteinaceious materials, including polypeptides, and are extruded, pelletized underwater, and processed with accelerated drying to achieve moisture levels as low as one percent or less. | 02-11-2016 |
20160075083 | HEATING APPARATUS, HEATING METHOD, THREE-DIMENSIONAL OBJECT FORMING SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - A heating apparatus for emitting thermal energy, includes a heater which emits the thermal energy directed at a thermal expansion sheet that expands according to a heating amount absorbed, a relative mover which causes the heater and the thermal expansion sheet to move relatively in a predetermined direction, and a controller which changes one of a speed of the relative movement by the relative mover and a heat generation amount by the heater, according to the relative movement of the heater and the thermal expansion sheet, so that the heating amount received by the thermal expansion sheet is close to uniform regardless of the position in the predetermined direction while the thermal energy is emitted by the heater. | 03-17-2016 |
20160096290 | METHOD FOR MOLDING THREE-DIMENSIONAL FOAM PRODUCTS USING A CONTINUOUS FORMING APPARATUS - A continuous forming apparatus for molding foam material into foam products that includes a first endless belt and a second endless belt that cooperates with the first endless belt to mold the foam material. The continuous forming apparatus may also include a first plurality of cleats and a second plurality of cleats opposed to the first plurality of cleats that support the first endless belt and the second endless belt respectively. The first plurality of cleats may include a three-dimensional abutment surface that provides transverse and lateral support to the first endless belt. Additionally, the continuous forming apparatus may include a first frame disposed to support the first plurality of cleats, a second frame disposed to support the second plurality of cleats, and a drive mechanism for imparting motion to the first endless belt, the second endless belt, the first plurality of cleats, and the second plurality of cleats. | 04-07-2016 |
20160168348 | POLYURETHANE FOAM COMPOSITION FOR DISCONTINUOUS PANELS FORMED UNDER A REDUCED PRESSURE | 06-16-2016 |