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| Number | Title | Issue Date |
| 8168104 | In-line process for preparing wood plastic composite panel with the appearance and texture similar to natural lumbers and apparatus therefor Disclosed herein are a method of manufacturing a wood plastic composite panel, including a panel manufacturing process of extruding and cooling a resin complex, such that wood fiber is uniformly dispersed into a synthetic resin matrix, to manufacture the resin compl... | 05/01/2012 |
| 7829002 | Method for the production of plant cutting filaments The invention relates to a method for the production of a cutting filament for a device used to cut vegetation such as a trimmer or border cutter. The filament is made of a synthetic material having extended molecular chains. According to the invention, (a) the fila... | 11/09/2010 |
| 7427372 | Method and apparatus for producing thermoplastic synthetic resin sheet or film An apparatus for producing a thermoplastic synthetic resin sheet or film has a casting mechanism having support rollers each mounted to undergo rotation about a corresponding rotational axis and one of which is mounted to undergo non-rotational displacement relative... | 09/23/2008 |
| 7416692 | Process and apparatus for microreplication A method of embossing a sheet material includes: heating at least a portion of the sheet directly or indirectly with radiant energy from a radiant energy source; pressing a tool against the heated portion of the sheet, thereby patterning a surface of the sheet; and ... | 08/26/2008 |
| 7396493 | Multilayer optical film with melt zone to control delamination Polymeric multilayer optical films, and laminate bodies that include such films, are provided with a melt zone that extends between a first and second portion of the multilayer optical film. If a shearing operation or other external influence acts on the film in the... | 07/08/2008 |
| 7384588 | Process for making a flexible structure comprising starch filaments A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs in value. ... | 06/10/2008 |
| 7270723 | Microporous breathable elastic film laminates, methods of making same, and limited use or disposable product applications A breathable, elastic film/support layer laminate includes a thermoplastic elastomer film sheet of a thermoplastic elastomer and a filled semi crystalline predominantly linear polymer. The film includes between about 25 and 70 weight percent filler, between about 5 ... | 09/18/2007 |
| 7252493 | Temperature control system to independently maintain separate molten polymer streams at selected temperatures during fiber extrusion A temperature control system for use in a fiber extrusion process includes a number of metering pump assemblies including inlets to receive at least two molten polymer streams from a supply source that is connectable to the system. A pump block disposed proximate th... | 08/07/2007 |
| 7238309 | Extruded ceramic log transfer system An apparatus for orienting section of a plasticized ceramic extrudate includes a marking assembly for applying an orientation reference mark to a plasticized ceramic extrudate exiting an extrusion die onto an extrudate support, and at least one extrudate-contacting ... | 07/03/2007 |
| 7211210 | Dry fibrillated PTFE film and its method of manufacture A finished PTFE film is produced by first preparing an extruded, dried, unsintered and unexpanded PTFE feed film, and then reducing the thickness of the feed film by more than 20% by passing it with back tension through a roll nip. ... | 05/01/2007 |
| 7204062 | Straight face vinyl siding The present invention is a vinyl siding panel and a method of making the vinyl siding panel. The vinyl siding panel comprises a planar portion extending the longitudinal length of the vinyl siding panel. The planar portion comprises a first edge and a second edge. T... | 04/17/2007 |
| 7201571 | Method for extrusion and extrusion plant, in particular for production of bent extruded products The invention relates to a method for extrusion, in particular for the production of bent extruded products, in which the extruded product (8) is formed in a die mounted before a support yoke (2) of an extrusion machine and then bent or curved by means... | 04/10/2007 |
| 7182900 | Winding tape and method of making winding tape In a method for manufacturing a winding tape (10) of unsintered polytetrafluoroethylene wherein polytetrafluoroethylene powder is mixed with a lubricating or slip agent, the material is molded into a cylindrical blank (1) and the blank (1) is fi... | 02/27/2007 |
| 7172720 | Apparatus and method for measuring and of controlling the gap between polymer sheet cooling rolls Heating and extruding a polymeric sheet having a predetermined thickness and introducing it into and through a gap between cooling rolls, measuring directly by laser beam and without reflection the gap between the cooling rolls, and controlling the gap to control mi... | 02/06/2007 |
| 7157039 | Method and apparatus for producing a curly puff extrudate A process and apparatus for the production of a spiral or coil shaped puffed extrudate. A tube or other peripheral containment vessel is placed at the exit end of an extruder die. A force or resistance is then applied on the extrudate downstream of the glass transit... | 01/02/2007 |
| 7135063 | Resilient biodegradable packaging materials Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression and stretching provide excellent flexibility, pliability, dimensional s... | 11/14/2006 |
| 7128862 | Biaxially oriented multilayer polymer tube for medical devices A tubular extruded member particularly suitable for use in medical devices such as intravascular catheters and guide wires, wherein the extruded tubular member includes multiple layers having biaxial helical orientation in different directions. A counter-rotation ex... | 10/31/2006 |
| 7087682 | Polymeric blends for optical devices and method of manufacture thereof A method for manufacturing a film or sheet comprises deforming a polymeric alloy at a temperature effective to impart to the deformed alloy a birefringence retardation of greater than or equal to about 350 nanometers. A method of substantially eliminating comets and... | 08/08/2006 |
| 7060746 | Particulate carbonates and their preparation and use in breathable film The present invention is a method of producing a breathable film including producing an inorganic filler by treating particles of an inorganic particulate material comprising an alkaline earth metal carbonate compound by reaction with a hydrophobizing surface treatm... | 06/13/2006 |
| 7052638 | Hook and loop fastener Forming a fastener component having heads constructed to engage loops formed e.g. of fibers of a mating component, comprises forming, from a thermoformable material, a preform product having a sheet-form base and an array of preform stems integrally molded with and ... | 05/30/2006 |
| 7052634 | Method for making a foam sheet having ventilation holes A method for making a foam sheet having ventilation holes includes the steps of: (a) preparing first and second molds, each including lower and upper mold parts separably closed to each other so as to define first and second mold cavities for the first and second mo... | 05/30/2006 |
| 7052639 | Wire wound tooling Tool rolls and methods of using the tool rolls to manufacture articles with one or more structured surfaces are disclosed. The tool rolls include an outer surface that, when used in connection with materials of the proper viscosity or formability, can form a structu... | 05/30/2006 |
| 7001442 | Particulate filter for an internal combustion engine and method for producing the same There is provided a particulate filter for trapping particulates contained in an exhaust gas discharged from a combustion chamber of an engine, comprising a plurality of exhaust gas flow passages each formed by three porous partitions extending substantially paralle... | 02/21/2006 |
| 6998081 | Method of producing low-shrink polypropylene tape fibers Improvements in preventing heat- and moisture-shrink problems in specific polypropylene tape fibers are demonstrated herein. Such fibers are manufactured through the initial production of polypropylene films or tubes which are then slit into very thin, though flat t... | 02/14/2006 |
| 6969479 | Tooling with helical coils for structured surface articles Tool rolls and methods of using the tool rolls to manufacture articles with one or more structured surfaces are disclosed. The tool rolls include an outer surface that, when used in connection with materials of the proper viscosity or formability, can form a structu... | 11/29/2005 |
| 6960314 | Molding of fastening hooks and other devices Methods of forming mold cavities suitable for hook and loop fastening are disclosed, along with effective hook construction and hook and loop fastener products that have an ultrathin cross-section. Photochemical techniques are employed to form plates that define hoo... | 11/01/2005 |
| 6955780 | Multi-wall cylindrical structure, method of making such structure, and apparatus for carrying out such method An elongated composite tube made up of an inner tube 42 and an outer tube 44 (see FIG. 3) with a plurality of elongated helical ribs disposed between the inner tube and the outer tube in a supporting relationship to both. A slinky like toy made ... | 10/18/2005 |
| 6953542 | Interlocking closure device A closure device for a thermoplastic bag which includes two opposing, longitudinally extending interlockable male and female fastening strips having respective male and female closure elements or profiles that are deformed to interdigitate and produce an audible cli... | 10/11/2005 |
| 6953510 | Method of making microporous breathable film A polyolefin microporous breathable film having improved tear and impact strength as well as a soft feel is provided by a film including a polypropylene precursor film and a filler. Other embodiments include a second polymer component. ... | 10/11/2005 |
| 6942832 | Method of manufacturing vacuum thermoformed thin plastic drink cup lids A method and apparatus for vacuum thermoforming disposable drink cups lids including the step of imparting printing to the lids while they are in contact with the vacuum thermoforming platen. ... | 09/13/2005 |
| 6913714 | Method of producing thermoplastic polycarbonate films having low optical retardation values A method of preparing a thermoplastic polycarbonate film having an optical retardation value of less than or equal to 20 nm, is described. The method includes: (a) forming a molten extrudate (20) of a thermoplastic polycarbonate polymer in an extruder (11 | 07/05/2005 |
| 6908582 | Method for adjusting the shape of a biodegradable and bioabsorbable implant material A process for producing a biodegradable and bioabsorbable implant material, which comprises forging a billet comprising and biodegradable and bioabsorbable crystalline polymer at a low temperature and then forging the same once more or in a plurality of times at a l... | 06/21/2005 |
| 6878332 | Methods of making sheets with arrays of projections Touch fasteners with different portions having different material properties, and methods and apparatus for making such a product. In one embodiment, the fastener includes a cross-linkable polymer, and a first portion of the fastener is cross-linked and a second por... | 04/12/2005 |
| 6872352 | Process of making web or fiberfill from polytrimethylene terephthalate staple fibers The invention relates to webs or batts including polytrimethylene terephthalate crimped staple fibers and fiberfill products comprising such webs and batts, as well as the processes of making the staple fibers, webs, batts and fiberfill products. According to the pr... | 03/29/2005 |
| 6843949 | Process for adjusting WVTR and other properties of a polyolefin film A process for rendering films, film composites, and articles made therefrom less resistant to passage of water vapor by passing a filled precursor film or film composite through the nip of interdigitating grooved rollers. The films or film composites are generally f... | 01/18/2005 |
| 6841105 | Process for manufacturing thermoformed article having textured or grained surface A method of forming thermoplastic panels is disclosed which includes the steps of forming the thermoplastic panels by extrusion or a similar process and simultaneously or subsequently texturing or graining at least one face thereof, and utilizing such pre-textured o... | 01/11/2005 |
| 6824729 | Process of making a nonwoven web A method of preparing a nonwoven web that has substantially continuous synthetic fine fiber includes preparing an aqueous amide crosslinked polymer solution. The solution is extruded through a die having a plurality of orifices to form a plurality of threadlines. Th... | 11/30/2004 |
| 6814905 | Continuous process and apparatus for making thermoformed articles A continuous process for making a thermoplastic article comprises extruding a sheet of thermoplastic and contacting the sheet with a mold surface while the sheet is in a substantially non-oriented state. The mold surface is selectively heated and/or cooled during th... | 11/09/2004 |
| 6808658 | Method for making texture multilayer optical films Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thicknes... | 10/26/2004 |
| 6805823 | Resilient biodegradable packaging materials Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression and stretching provide excellent flexibility, pliability, dimensional s... | 10/19/2004 |
