Class / Patent application number | Description | Number of patent applications / Date published |
264211120 | Processing or treatment after extrusion | 42 |
20080203609 | Processes For Hydrolysis Of Polyphoshoric Acid In Polyareneazole Filaments - The present invention relates to processes for hydrolyzing polyphosphoric acid in polyareneazole filaments. | 08-28-2008 |
20080203610 | Hot Surface Hydrolysis of Polyphosphoric Acid in Spun Yarns - The present invention relates to processes for hydrolyzing polyphosphoric acid in spun multifilament yarns. | 08-28-2008 |
20080265456 | Method and System for Extruding Rubber Strip for Tire Constitutive Members - A method for extruding a rubber strip for tire constitutive members, allowing the facility to be made compact and having excellent energy efficiency, and a strip rubber extrusion system for carrying out the method. In the method for extruding a rubber strip for tire constitutive members according to the invention, the rubber to be extruded from an extruder ( | 10-30-2008 |
20080277819 | Method for producing composite material - A method of manufacturing a monolithic honeycomb structure free from coarse pinhole defects, the method including: mixing ceramic powders, metal silicon whose surface is coated with an organic matter, a binder and water to obtain a mixture; kneading the mixture to form a plastic clay; pugging the plastic clay; extruding the pugged plastic clay from an extruder to form a green honeycomb body having a predetermined shape, the green honeycomb body lacking closed pores; drying the green honeycomb body; calcining the dried green honeycomb body; and firing the calcined green honeycomb body. | 11-13-2008 |
20080284057 | HEAT-SHRINKABLE POLYESTER FILM ROLL AND A PROCESS FOR PRODUCING THE SAME - A film roll of a heat-shrinkable polyester film meeting the following requirements: (1) when samples are cut off therefrom at an almost equal interval along the longitudinal direction, and immersed in hot water at 85° C. for 10 seconds, subsequently in water at 25° C. and withdrawn, heat-shrinkage percentages in the maximum shrinkage direction of all the samples are 20% or more; and (2) when raw polymers used for production of the film above comprises of a major constitutional unit and one or more sub constitutional units different therefrom, and the content of the primary sub constitutional unit in each sample is more than 7 mole % in 100% of all constitutional units, and the contents of the primary sub constitutional unit of all the samples fall within a range of ±2 mole % relative to the average. | 11-20-2008 |
20080290554 | Oriented Polymer Fibers and Methods for Fabricating Thereof - Devices for fabricating oriented polymer fibers, and methods for fabricating thereof by electropulling, are provided. | 11-27-2008 |
20080315454 | METHOD OF MAKING MELTBLOWN FIBER WEB WITH STAPLE FIBERS - A method of making a nonwoven web is described, wherein the web contains meltblown fibers and staple fibers. The meltblown fibers may be present as a bimodal mixture of microfibers and mesofibers, and comprise an intermingled mixture with staple fibers further intermingled therein. | 12-25-2008 |
20090039543 | Polymer Composition Comprising Polyolefins And Amphiphilic Block Copolymers And Optionally Other Polymers And/Or Fillers And Method For Dying Compositions Of That Type Or Printing Thereon - Polymeric compositions comprising polyolefins, amphiphilic block copolymers composed of polyisobutene blocks and polyoxyalkylene blocks and also optionally other polymers and/or fillers. Processes for dyeing or for printing such compositions and the use of amphiphilic block copolymers as auxiliaries for dyeing and printing polyolefins. | 02-12-2009 |
20090072434 | Coextrusion die and manifold system therefor - A coextrusion die for producing a multilayer film or sheet of thermoplastic materials. The coextrusion die includes a die outlet through which a layered melt stream of the thermoplastic materials is extruded as a multilayer film or sheet, a first die section for producing a core layer, the first die section having a flat manifold, the flat manifold having a feed entrance and a pressure manifold in communication with the slotted die outlet, a second die section for producing a first skin layer, the second die section having a cross flow manifold, the cross flow manifold having a flow path wherein a portion of a melt stream of the thermoplastic material traverses the second die section's length more than once, the cross flow manifold having a feed entrance and a pressure manifold in communication with the slotted die outlet, and a third die section for producing a second skin layer, the third die section having a cross flow manifold, the cross flow manifold having a flow path wherein a portion of a melt stream of the thermoplastic material traverses the third die section's length more than once, the cross flow manifold having a feed entrance and a pressure manifold in communication with the slotted die outlet. A process for making a multilayer extrudate of thermoplastic materials is also provided. | 03-19-2009 |
20090134547 | Process for the production of an extruded plastic film and use of the plastic film - Process for the production of an extruded mono- or multilayer plastic film, where at least sections of the plastic film are provided with a pattern during or after extrusion, and use of a film produced by this process for packaging purposes. | 05-28-2009 |
20090194902 | Bumper Back Beam For Vehicle and Molding Method Thereof - Disclosed herein is a method of molding a bumper back beam for a vehicle and the bumper back beam manufactured using the method. The method of molding the bumper back beam includes: preparing a lattice mat and long fiber pellets as raw materials, introducing the lattice mat into a die, supplying the long fiber pellets into the die and then injection-molding a bumper back beam from the lattice mat and long fiber pellets at low pressures and separating the injection-molded bumper back beam from the die. | 08-06-2009 |
20090206511 | PRECIPITATED SILICA REINFORCED EPDM RUBBER FORMULATION MANUFACTURING PROCESS, PROCESS FOR THE OBTAINMENT OF A REINFORCED RUBBER PROFILE, COLORED EXTRUDED RUBBER PROFILE AND ITS USE - The high dissipating precipitated silica reinforced EPDM rubber (monomer of ethylene-propylene-diene) and a colored extruded polymeric profile including the formulation, are particularly intended for use in the building and automobile industry. The process for the manufacturing the formulation for reinforced EPDM rubber, includes the use of one or more EPDM polymers, at least one high dissipating precipitated silica as a reinforcing filler, a non-reinforcing filler, an antioxidant, an interface agent and/or coupling agent, a desiccant, an accelerating activator, and vulcanization additives. | 08-20-2009 |
20090256278 | PROCESS AND DEVICE FOR MELT-SPINNING AND COOLING SYNTHETIC FILAMENTS - A process and a device involves melt-spinning and cooling synthetic filaments. Therein, a plurality of filaments is extruded from a polymer melt and, after the extrusion, is guided into a cooling shaft for cooling. Within the cooling shaft cool air is blown, via a blower wall, into the cooling shaft, where, for cooling, the filaments are guided along the blower wall and at a distance from it. In order to obtain cooling adapted to the particular filament titer, the blowing onto the filaments can be set by selecting one of several operating positions, where to change the operating position of the blower wall it is moved in the direction towards the filaments or in the direction away from the filaments. | 10-15-2009 |
20100072660 | LOW RELATIVE CRYSTALLINITY DIE DRAWING PROCESS FOR A CAVITATED FILLED ORIENTED POLYMER COMPOSITION - Drawing a filled polymer composition through a drawing die at a critical drawing temperature that is below the polymer composition's melting temperature yet above the polymer composition's crystallization temperature allows production of cavitated filled oriented polymer compositions by drawing from a low crystalline polymer state. | 03-25-2010 |
20100140834 | Extrusion of Adhesives for Composite Structures - A structural filler is installed in a gap between at least first and second composite members by extruding a flowable filler material, placing the extruded filler on one of the composite structural members, and assembling the composite members. | 06-10-2010 |
20100187718 | RE-CAPSULATION OF SYNTHETIC RUBBER POLYMER - A method for making a modified polymer is characterized by re-capsulating the polymer via extrusion. A cross-linking agent is mixed with particles of synthetic rubber material to form a mixture which is then heated and delivered to an extrusion device. The extrusion device further heats the mixture and produces strands of modified polymer material which are cooled and pelletized to form small pellets of re-capsulated modified polymer. A partitioning or anti-blocking agent is added to the pellets to prevent re-agglomerization of the modified polymer. When mixed with asphalt, a modified polymer asphalt is produced with enhanced Theological properties for high and low temperatures. | 07-29-2010 |
20100219558 | MELT EXTRUDER AND PROCESS FOR PRODUCING THERMOPLASTIC RESIN FILM - When amorphous thermoplastic resin is supplied from a hopper, the resin is rotated by a screw in a barrel and generates frictional heat. In this point of view, in a melt extruder according to an aspect of the present invention, a temperature control zone that generates particularly high frictional heat is constantly cooled by a cooling device, and heated by a heating device to obtain a target temperature, thereby significantly reducing variations in barrel temperature. This can stabilize screw tip pressure, and reduce variations in thickness of a resin film discharged from the barrel. | 09-02-2010 |
20100283178 | PROCESS FOR PRODUCING SOFT CAPSULE SHELLS BASED ON POLYVINYL ALCOHOL-POLYETHYLENE GLYCOL GRAFT COPOLYMERS - A process for producing gelatin-free soft capsule shells based on polyvinyl alcohol-polyether graft copolymers as shell polymers, which comprises heating an aqueous solution comprising at least 45% by weight, based on the total weight of the solution, of a polymer component, where the polymer component consists of a polyvinyl alcohol-polyether graft copolymer or a mixture of polyvinyl alcohol-polyether graft copolymers and polyvinyl alcohol, extruding the solution at a temperature of at least 70° C., and solidifying the resulting film by cooling. | 11-11-2010 |
20100308495 | PROCESS FOR THE MANUFACTURE OF REACTIVE RUBBER PROCESS AIDS - A process for the manufacture of rubber process aids from blends of vulcanized rubber powders, virgin polymers and thermoplastic resins. The process is carried out in a single stage using an extruder. The extruder is fed in three sections with feed hoppers. Vulcanized rubber powder of selected origin is fed into the hopper in the first section with part of the thermoplastic resin and oxidizing agents. The balance of the thermoplastic resin is fed in the second section. Virgin polymer is fed into the hopper in the third section. The temperature of the extruder is controlled and dwell time of the material passing through each of the extruder's sections is adjusted to ensure adequate mixing of all the polymers whereby a reactive rubber process aid in free flowing particulates is produced that acts as an excellent process aid in rubber processing. | 12-09-2010 |
20110037194 | DIE ASSEMBLY AND METHOD OF USING SAME - A die assembly suitable for spinning filaments and more particularly to a die assembly having a fluid environment around the die assembly's filament exit holes is provided. | 02-17-2011 |
20110049753 | High molecular weight poly(alpha-olefin) solutions and articles made therefrom - A robust process for the continuous preparation of solutions of high molecular weight UHMW PO that is capable of producing strong materials at high production capacity, is conservative of capital and energy requirements, and the articles made therefrom. | 03-03-2011 |
20110062622 | Extruded Structure With Equilibrium Shape - An extrusion head is disposed over a substrate, and material is extruded through an oblique (e.g., semi-circular or tapered) outlet orifice of the extrusion head to form an associated extruded structure having an equilibrium shape that resists settling after being deposited on the substrate. The extrusion head includes fluidic channels having a flat surface formed by a flat first (e.g., metal) sheet, and an oblique (e.g., substantially semi-cylindrical) surface formed by elongated oblique trenches that are etched or otherwise formed in a second sheet. The fluidic channel communicates with the outlet orifice, which has a flat edge formed by the first sheet, and an oblique edge formed by an end of the oblique trench. The material is extruded through the outlet orifice such that its flat lower surface contacts the substrate, and its oblique upper surface faces away from the substrate. Two materials are co-extruded to form high aspect-ratio gridlines. | 03-17-2011 |
20110187018 | CROSSLINKED FIBERS OR OTHER ARTICLES MADE FROM POLYOLEFIN ELASTOMERS - The invention relates to an improved process for controlling the amount of crosslinking in polyolefin based articles such as fibers or films. The invention relates to mixing silane grafted material together with ungrafted material prior to crosslinking. The article can then be formed and cured, optionally with a curing catalyst which can preferably be applied to the surface of a shaped article. The amount of crosslinking will be controlled in part by the level of silane grafting on the grafted silane material as well as the amount of the grafted material in the blend. | 08-04-2011 |
20110210473 | Extrudate Transport Apparatus Having A Free Floating Roller Assembly - An extrudate transport apparatus comprises a free floating roller assembly, wherein the roller assembly controls a rotational pitch of a cylindrical green ceramic extrudate as the green ceramic extrudate moves longitudinally from a first location to a second location within the extrudate transport apparatus. The free floating roller assembly has a predetermined effective weight and comprises a contact roller having a deformable outer surface for frictionally contacting an outer surface of the green ceramic extrudate in motion adjacent thereto, while maintaining a constant contact force upon said green ceramic extrudate. | 09-01-2011 |
20120086147 | METHOD FOR PRODUCING POLYGLYCOLIC ACID FIBER - A method for producing a polyglycolic acid fiber, including: obtaining undrawn yarns by melt spinning a polyglycolic acid resin; keeping the undrawn yarns under a temperature condition of 1 to 20° C.; obtaining drawn yarns by drawing the kept undrawn yarns; and, if necessary obtaining a staple fiber by cutting the drawn yarns. | 04-12-2012 |
20120139153 | MELT SPINNING APPARATUS AND MELT SPINNING METHOD - A melt spinning apparatus has an apparatus body, and the apparatus body includes a spinning nozzle through which a molten resin is extruded into a filament, a primary air channel for directing primary airflow to the filament of the molten resin extruded from the spinning nozzle, and a secondary air channel for directing secondary airflow to the filament at a position downstream of the primary air channel. A part, which is closer to the spinning nozzle, of a wall of the secondary air channel that defines an air exit of the secondary air channel is chamfered to straighten the secondary airflow. | 06-07-2012 |
20120200002 | METHOD AND APPARATUS FOR PRODUCING A THERMOPLASTIC RESIN FILM - A thermoplastic resin film manufacturing method and manufacturing device are disclosed wherein an air volume sprayed by the auxiliary cooling device onto the surface of the film on the opposite side thereof to the cooling drum side thereof is set to be larger than the suction amount by an exhaust mechanism between nozzles, to avoid the suction of the air containing the high concentration of oligomer around the extrusion die into the auxiliary cooling device, thereby preventing precipitation and deposition of the oligomer onto spraying nozzles within the auxiliary cooling device and the suction surface of the exhaust mechanism between nozzles. | 08-09-2012 |
20120211918 | METHOD FOR MAKING POLYLACTIDE FILMS - A method for forming a polylactide film includes the steps (a) through (c). In step (a), a treated tool surface is provided with a release coating. The treated tool surface is maintained at a predetermined temperature of about the glass transition temperature of the polylactide or higher. In step (b) the treated tool surface is contacted with a molten polylactide composition to provide a polylactide film The film is at least partially crystalline, and the crystallinity of the polylactide film is enhanced due to exposure of the molten polylactide composition to the treated tool surface at the predetermined temperature. In step (c) the polylactide film is removed from the treated tool surface. Additionally, a film is provided that is made by the foregoing method, and the film may be formed into an article or a part of an article. In some cases, the article is a disposable garment such as a diaper. In other cases, the article may be a tape made with the foregoing film, where the film includes first and second major surfaces and a layer of adhesive on at least one of the major surfaces. | 08-23-2012 |
20120313288 | METHOD AND APPARATUS FOR MANUFACTURING A FILM WITH MARKINGS - A method for manufacturing a film that is provided with markings and is based on a thermoplastic plastic. The thermoplastic plastic is melted in an extruder and emerges from an extrusion die in the form of a melt web. The melt web is conveyed away over a surface of at least one cooling roller and cooled to produce the film. In subregions of the surface of the at least one cooling roller corresponding to the markings, the melt web and/or the film being produced from it is acted on with a different cooling action than in a remainder of the surface. | 12-13-2012 |
20130099413 | FILM PRODUCTION APPARATUS AND METHOD FOR PRODUCING FILM - Provided is a film production apparatus and a method for producing film capable of exerting a good effect of preventing necking-in by minimizing the length of molten resin after extrusion through a die exit and before a contact with the surface of a chill roll. A film production apparatus configured to take up molten resin extruded downward from an exit bored in a die by a rotating chill roll located below the exit and to cool the molten resin for solidification by the chill roll to produce a film further includes a fluid providing unit that provides fluid to a space between the exit and the chill roll located below. The film production apparatus is configured to apply fluid pressure in a direction pushing back the molten resin existing in the space against displacement of the molten rein taken up in a rotational direction of the chill roll. | 04-25-2013 |
20140203474 | DEVICE FOR COATING ELECTRICALLY CONDUCTIVE WIRES - The present invention relates to a device for coating electrically conductive wires, comprising multiple units in the following arrangement:
| 07-24-2014 |
20150035198 | SYSTEMS AND METHODS FOR THREE-DIMENSIONAL PRINTING - A system and method for controlling filament extrusion comprises receiving extrusion path signals that specify a first extrusion path and a second extrusion path for simultaneous execution by a corresponding first print head and second print head, and simultaneously extruding a first filament from the first print head according to the first extrusion path and a first extrusion rate specification, and a second filament from the second print head according to the second extrusion path and a second extrusion rate specification. The first extrusion path and the second extrusion path are specified according to a target coordinate space. In one embodiment, the target coordinate space comprises a cylindrical coordinate space. The system and method advantageously provides faster printing and greater material flexibility for three-dimensional printers. | 02-05-2015 |
20150054192 | Method for Producing Rubber-Like Polymer - A method for producing a rubber-like polymer comprises extrusion drying rubber-like polymer using an expansion-type extrusion dryer provided with a die having an opening at an outlet; and hot-air drying the rubber-like polymer by using a hot air dryer, water content of the rubber-like polymer at an inlet of the dryer is 6 to 25% by mass; die flow rate F/S obtained by dividing treatment amount (F) of the rubber-like polymer in the dryer by opening area (S) of the die is 1 to 15 kg/hr/mm | 02-26-2015 |
20150367571 | 3D printing method that enables arraying horizontal filaments without support - The problem to be solved is, when printing a 3D object by using a 3D printer of fused-deposition-modeling type or another type, to enable printing it even when the filament is not supported from underneath by avoiding filament drop by generating force to push the extruded filament to the neighbor filament, and to enable arraying the filaments to a horizontal direction. | 12-24-2015 |
20160130451 | SUSTAINABLE MATERIALS FOR THREE-DIMENSIONAL PRINTING - A sustainable material suitable for three-dimensional printing is disclosed. The sustainable material comprises a resin derived from a bio-based diacid monomer and a bio-based glycol monomer. The resulting sustainable material provides a much more robust 3-D printing material with different properties than conventional materials. | 05-12-2016 |
264211130 | Contact of extrudate with fluid other than ambient air | 7 |
20080203611 | WIRE COOLING WATER TROUGH - The present invention generally relates to a cooling process and system that can be utilized in the manufacture of flexible elongate extruded materials, such as tubing or jacketed electrical wire and cable. More particularly, the present invention relates to a cooling trough for cooling flexible elongate extruded materials after extrusion. Cooling trough embodiments have a base, a wet cooling chamber above the base, and an air dry chamber above the wet cooling chamber. The base contains a reservoir for collecting and storing a cooling liquid. An extruded material, such as a cable, enters the wet cooling chamber, where the cooling liquid from the reservoir is sprayed onto the material, the material is then passed to the air dry chamber where it is dried. | 08-28-2008 |
20090102088 | METHOD FOR MOLDING WASTE PLASTIC AND METHOD FOR THERMAL DECOMPOSITION OF PLASTIC - Exemplary embodiments of the present invention can be directed to producing high-density pellets by molding waste plastic and to producing high-strength coke by mixing the pellets with coal and dry-distilling the mixture in a coke oven. As feedstock is used waste plastic that contains polyethylene, polypropylene and polystyrene, which are plastics that soften at a low temperature, at a total rate of about 50% or greater. The waste plastic is molded using a molding method of extruding it from a nozzle of a screw-type stuffing machine. In the method of this invention, the waste plastic can be heated to about 180˜260° C. in the molding machine and gas in the molding machine is sucked out. By this operation, the polyethylene, polypropylene and/or polystyrene are made molten and the amount of gas in the plastic is reduced. The plastic in this state is compression-molded by extrusion from a nozzle of about 15˜60 mm diameter. The plastic molding obtained can be cut into chunks and cooled with a water cooler within about 3 seconds after cutting. | 04-23-2009 |
20120080815 | WIRE COOLING WATER TROUGH - The present invention generally relates to a cooling process and system that can be utilized in the manufacture of flexible elongate extruded materials, such as tubing or jacketed electrical wire and cable. More particularly, the present invention relates to a cooling trough for cooling flexible elongate extruded materials after extrusion. Cooling trough embodiments have a base, a wet cooling chamber above the base, and an air dry chamber above the wet cooling chamber. The base contains a reservoir for collecting and storing a cooling liquid. An extruded material, such as a cable, enters the wet cooling chamber, where the cooling liquid from the reservoir is sprayed onto the material, the material is then passed to the air dry chamber where it is dried. | 04-05-2012 |
20140103570 | SYSTEMS AND METHODS FOR COOLING EXTRUDED MATERIALS - Systems, devices, and methods are described for cooling extruded materials. In certain embodiments, a quench tube is provided that includes an inner wall and an outer wall having a channel therebetween for transporting cooling fluid along the quench tube. A passage within the inner surface of the inner wall receives an extruded material through a nozzle formed at an end of the quench tube that delivers the cooling fluid to the extruded material. The channel may be angled at the nozzle to deliver the cooling fluid at an angle with respect to the quench tube, and the quench tube is configured to extend at least in part within an extrusion die. | 04-17-2014 |
264211140 | Filament (e.g., fiber, etc.) | 2 |
20080230943 | Method and apparatus for enhanced fiber bundle dispersion with a divergent fiber draw unit - A method and associated apparatus for melt extruding a nonwoven web includes providing a plurality of fibers from an extrusion device. The fibers are conveyed through a diverging profile portion of a fiber drawing unit (FDU) that causes the fibers to spread and expand in the machine direction within the FDU. The fibers are then conveyed through a diverging diffusion chamber spaced from the outlet of the FDU to reduce the velocity of the fibers and further spread the fibers in the machine direction. The fibers may be subjected to an applied electrostatic charge in either the diffusion chamber or the FDU. From the outlet of the diffusion chamber, the fibers are laid onto a forming surface as a nonwoven web. | 09-25-2008 |
20090295020 | Apparatus and Die Cartridge Assembly Adapted for Use Therewith, and Process for Producing Fibrous Materials - Apparatus ( | 12-03-2009 |
264211190 | Extractive fluid or effects reaction | 1 |
20130241106 | METHOD OF FABRICATING AN IMPLANTABLE MEDICAL DEVICE USING GEL EXTRUSION AND CHARGE INDUCED ORIENTATION - The invention provides a method of manufacturing a polymeric implantable medical device using gel extrusion of high molecular weight polymers or charge-induced orientation to avoid heat degradation of the polymer that might occur during conventional heat extrusion. | 09-19-2013 |