Class / Patent application number | Description | Number of patent applications / Date published |
264211210 | Screw extruder or screw feeder device | 22 |
20080315455 | METHOD OF COOLING MATERIAL USING AN EXTRUDER SCREW CONFIGURED FOR IMPROVED HEAT TRANSFER - A method of cooling material in a screw extruder having a barrel including providing at least one extruder screw having a central shaft. The at least one extruder screw includes at least one screw flight including at least one interruption in the screw flight to form at least one discontinuity by which a portion of the screw flight is circumferentially displaced from the remainder of the screw flight. Material is turned from near the central shaft outwards toward the inner surface of the screw extruder barrel through the at least one discontinuity. | 12-25-2008 |
20100102475 | EXPANDED POLYSTYRENE RECYCLING AND HEAT EXTRUDING SYSTEM - An expanded polystyrene (EPS) recycling and extruding machine is shown and described. The machine comprises a conveyor for transporting waste pieces of EPS of various sizes into the device. A housing surrounds upper and lower crushers that break down the EPS pieces in to progressively smaller pieces before depositing them through a screen that selectively prevents pieces above a predetermined size from passing. Below the screen, the small EPS pieces fall into a heated extruding mechanism that melts the pieces into a liquid and urges the liquid forward by means of an Archimedian screw to a nozzle, through which the reconstituted EPS is extruded for collection and reuse. | 04-29-2010 |
20100289175 | Procedure for Extrusion of Plastic Material and Extruder - The invention relates to a method for extruding plastic material using a screw-type extruder (S), wherein a first pressure (P | 11-18-2010 |
20130113134 | APPARATUS AND PROCESS FOR PRODUCING PRODUCTS FROM PIGMENT-CONTAINING POLYMER MIXTURES - The invention relates to an apparatus and a process for producing pigment-containing, in particular carbon-black-containing, polymer mixtures comprising polycarbonates and optionally elastomers, and/or other components, where the mouldings produced therefrom have, after the shaping process via injection moulding or via extrusion, improved surface properties and improved mechanical properties. | 05-09-2013 |
20130320586 | EXTRUSION DIE WITH CURVED FACE - The present disclosure provides a flow device including a body disposed in an extrusion apparatus. The body is defined along a plane and has a first side and a second side. The second side is disposed opposite the first side. The flow device also includes a first face formed at the first side and a second face formed at the second side. The body has a thickness defined between the first face and second face. A plurality of feedholes is defined in the body between the first side and the second side. In addition, at least a portion of the first face or second face forms a curvature that extends outwardly from the plane. | 12-05-2013 |
20140312527 | DIE ASSEMBLIES AND DIE ASSEMBLY COMPONENTS AND METHODS OF MAKING AND USING THE SAME - Die assemblies and die assembly components are disclosed. Methods of making and using die assemblies and die assembly components are also disclosed. | 10-23-2014 |
20160046073 | 3D PRINTER - In some examples, a three-dimensional (3D) printer nozzle may include a receive portion configured to receive a molten material from a material channel. The nozzle may further include an emission end opposite the receive portion. The emission end may include multiple holes that are each configured to receive the molten material and to emit the molten material. The nozzle may also include a rotation mechanism coupled to the emission end and configured to enable rotation of the nozzle about a tube. The tube may at least partially define the material channel. | 02-18-2016 |
20160082627 | PLASTIC MOULDING METHOD - A method of plastic moulding to form a moulded or extruded article, the method employing a moulding apparatus comprising a barrel containing a screw extending between a feed zone supplied by a feed hopper for plastics material, a compression zone and a metering zone for delivery of molten plastics material to a mould or extrusion die, the method comprising introducing into the feed zone a first plastics material ( | 03-24-2016 |
264211220 | Filament (e.g., fiber, etc.) | 2 |
20080251966 | METHOD OF MAKING A TUBULAR BODY FOR A CATHETHER, SHEATH OR LEAD - A method of forming a tubular body for a catheter, sheath or lead comprises extruding a polymer core having an integrally formed core wall, first lumen, and second lumen, placing a first layer over an outer circumferential surface of the extruded polymer core, and bonding the first layer to the circumferential surface of the extruded polymer cover via a reflow process. The first and second lumens are mandrel free during the reflow process, and a temperature of the reflow process is below a softening point of the polymer core to maintain a collapse free first and second lumen. | 10-16-2008 |
20160250793 | INTERDEPENDENT DRIVE SYSTEM | 09-01-2016 |
264211230 | Plural screws, plural extruders, or plural stage extruder | 12 |
20090072435 | PASSIVE DEVICE POLYMER CARRIER TAPE AND PROCESS THEREOF - A polymer carrier tape for placement of a passive device includes polymer of 10˜80% by weight of polyolefin (e.g., PE, PP), polymer of polyolefin grafted with acid anhydride or polymer of cross-linked polyolefin blended with calcium carbonate, ethylene-vinyl acetate (EVA), traces of anti-oxidant and 5˜30% anti-static agent by weight in a polymer compounding process to produce an admixture, the admixture is then molded into coiled carrier tape to replace conventional paper carrier tape. | 03-19-2009 |
20090108488 | Process for Production of Hybrid Polymeric Material - Provided is a process for continuous production of an organic-inorganic hybrid polymeric material in which inorganic substances are finely dispersed in a resin on a nanometer order, on an industrial scale without using any organic solvent or the like by using a simple apparatus. In the process, a thermoplastic resin having an acid number falling within a range from 1 to 200 mgKOH/g is melted and incorporated, to produce a composite composition, with an inorganic component formed from a metal alkoxide compound and/or a partial condensate thereof in the absence of an organic solvent capable of dissolving a thermoplastic resin. It is preferable to melt-knead by using as a production apparatus a continuous kneading apparatus including a twin screw extruder. | 04-30-2009 |
20090146339 | Extrusion Die and Process for Producing an Extruded Filled Polymer Composition - Prepare an extruded filled polymer composite having a highly disperse and uniformly distributed filler by extruding a filled polymer composite through a die with a Flow Restriction Zone, a Flow Redistribution Zone and a Land Zone. The Flow Restriction Zone is proximate to the extruder and increases polymer melt backpressure in the extruder sufficient to induce high dispersion of the filler but not enough to cause undesirable degradation of the polymer melt components. | 06-11-2009 |
20090166918 | Carbon fiber composite material and process for producing the same - The present invention provides a carbon fiber composite material comprising an elastomer and a carbon nanofiber dispersed in the elastomer, wherein the elastomer has an unsaturated bond or a group, having affinity to the carbon nanofiber. Also disclosed is a process for producing the carbon fiber composite material. | 07-02-2009 |
20090218720 | Method and Apparatus for Extruding Cementitious Articles - A method and apparatus ( | 09-03-2009 |
20100295207 | PROCESS AND DEVICE FOR THE CONTINUOUS PRODUCTION OF AN EXTRUDATE FROM FINELY DIVIDED PLANT MATERIAL AND A THERMOPLASTIC MATERIAL - The invention relates to a process and a device for the continuous production of an extrudate from finely divided plant material and a thermoplastic material, in which, as viewed in the extrusion direction (E), firstly the finely divided plant material and then the thermoplastic material are fed to an extrusion device ( | 11-25-2010 |
20110233818 | METHOD FOR EXTRUDING PLASTIC MATERIALS - The invention relates to a process for extruding plastic compositions, in particular polymer melts and mixtures of polymer melts, above all thermoplastics and elastomers, particularly preferably polycarbonate and polycarbonate blends, also with the incorporation of other substances such as for example solids, liquids, gases or other polymers or other polymer blends with improved optical characteristics, with the assistance of a multi-screw extruder with specific screw geometries. | 09-29-2011 |
20120139154 | Process of Producing Thermoplastic Starch/Polymer Blends - A process of producing a thermoplastic starch/polymer blend involves introducing dry starch into a twin-screw extruder at a first location along the extruder, introducing a plasticizer into the twin-screw extruder at a second location along the extruder downstream of the first location to form a starch paste and then gelatinizing the starch paste in the extruder to form thermoplastic starch, and, introducing dry polymer at ambient temperature into the twin-screw extruder at a third location along the extruder downstream of the second location to form a blend with the thermoplastic starch in the extruder. | 06-07-2012 |
20130093114 | BLEND OF PLASTICS WITH WOOD PARTICLES - A blend of plastics with wood particles. | 04-18-2013 |
20130285279 | INTEGRATED SINGLE AND TWIN SCREW EXTRUDER - An extruder is disclosed, and more particularly, to an integrated single screw extruder and a twin screw extruder for mixing, compounding, kneading and/or extruding of materials. The integrated extruder includes a first barrel assembly and a second barrel assembly. The integrated extruder further includes a first screw having a first threaded portion and a second threaded portion. The first threaded portion is housed within the first barrel assembly and is configured to provide upstream material processing. The second threaded portion is housed within the second barrel assembly and is configured to provide downstream material processing. The integrated extruder further includes a second screw having a non-threaded shaft portion and a threaded portion. The threaded portion of the second screw is housed within the second barrel assembly and is configured to provide the downstream material processing with the second threaded portion of the first screw. | 10-31-2013 |
20140197566 | TWIN SCREW EXTRUDER - An extruder is disclosed, and more particularly, a twin screw extruder for mixing, compounding, kneading and/or extruding of materials. The twin screw extruder includes a barrel assembly having a housing. The twin screw extruder further includes a first screw provided within the housing and comprising threads. The twin screw extruder further includes a second screw provided within the housing and comprising a threaded portion and a shaft portion devoid of threads. A drive system which drives the first screw and the second screw. | 07-17-2014 |
20160136861 | SCREW ELEMENTS FOR MULTI-SHAFT SCREW-TYPE MACHINES - The invention relates to screw elements ( | 05-19-2016 |