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| Number | Title | Issue Date |
| 8052907 | Woven articles from synthetic self twisted yarns A woven panel is formed from at least one first polymer yarn and at least one second polymer yarn wherein the second polymer yarn has a core. The core yarns provide mechanical strength for the woven material in supporting the coreless yarns when used in load bearing... | 11/08/2011 |
| 7700022 | Woven articles from synthetic self twisted yarns A woven panel is formed from at least one first polymer yarn and at least one second polymer yarn wherein the second polymer yarn has a core. The core yarns provide mechanical strength for the woven material in supporting the coreless yarns when used in load bearing... | 04/20/2010 |
| 7435370 | Process of making a fiber A fiber and a process for obtaining same from a high-modulus polyethylene, extrudable in state-of-the-art equipment and in the absence of previous solubilization in any kind of organic solvent is described, the process comprising providing such a polyethylene, intro... | 10/14/2008 |
| 7384583 | Production method for making nonwoven fabric The invention provides a method for manufacturing spun-bonded nonwoven fabrics that can reduce the diameter of a filament without decreasing productivity and can stably produce nonwoven fabrics, which comprises quenching a multiple number of continuous melt-spun fil... | 06/10/2008 |
| 7378045 | Process for the formation of high strength bio-absorbable suture fibers A PGA/PLA copolymer suture fiber having a fiber tenacity of between approximately 7.2 to 8.0 grams per denier and a fiber elongation between approximately 22% and 35% is produced by a process that utilizes extruder apparatus having at least one heated zone that is m... | 05/27/2008 |
| 7370395 | Heating apparatus and process for drawing polyolefin fibers A heating apparatus and process useful for drawing ultrahigh molecular weight polyolefin fibers, such as polyethylene fibers. The heating apparatus includes a first set of rolls and a plurality of aligned ovens. The apparatus includes a second set of rolls at the ex... | 05/13/2008 |
| 7344668 | Process for drawing gel-spun polyethylene yarns A process for drawing essentially diluent-free gel-spun polyethylene multi-filament yarns in a forced convection air oven and the drawn yarns produced thereby, The process conditions of draw ratio, stretch rate, residence time, oven length and feed speed are selecte... | 03/18/2008 |
| 7270777 | Method and apparatus for producing a low-shrinking smooth yarn A method and apparatus for producing a high-strength and low-shrinkage synthetic flat yarn. After melt spinning, the filaments are combined to a yarn and drawn. Subsequently, the yarn is compressed to form a plug under the influence of heat. This plug is transported... | 09/18/2007 |
| 7153115 | Optical fiber cooling tube An optical fiber cooling tube includes an internal cavity through which an optical fiber passes and a set of injection passages that are distributed along the tube, open into the cavity, and are oriented in a contraflow direction relative to the direction in which t... | 12/26/2006 |
| 7108818 | Dimensionally stable polyester yarn for high tenacity treated cords A spun polyester fiber, a drawn polyester yarn, and methods for making them. Polyethylene terephthalate yarn is prepared by extruding a molten melt-spinnable polyethylene terephthalate having an intrinsic viscosity of at least about 0.8 through a shaped extrusion or... | 09/19/2006 |
| 7056461 | Process of making polyester multifilament yarn A method of producing a polyethylene terephthalate-based polyester fiber includes spinning polyethylene terephthalate based polyester to produce an undrawn yarn with an intrinsic viscosity of 0.83 or more and a density of 1338 g/cm3 or more, multi-stage d... | 06/06/2006 |
| 7025914 | Multilayer approach to producing homofilament crimp spunbond A multilayer laminate is produced with in-line fabric deposition. One layer of the multilayer laminate has stable, heat-set, helically crimped fibers which are uncompacted and therefore retain their loft. ... | 04/11/2006 |
| 7022273 | Process for making stable polytrimethylene terephthalate packages A process for the production and for the winding of one polyester yarn, preferably multi-filament yarn, which comprises at least about 85 weight %, in relation to the total weight of the polyester yarn, of polytrimethylene terephthalate (PTT) wherein said process is... | 04/04/2006 |
| 7005093 | Spin annealed poly(trimethylene terephthalate) yarn A spinning process for poly(trimethylene terephthalate) and an analytical method wherein the process provides an aging resistant poly(trimethylene terephthalate) yarn and the analytical method provides predictability to the process. ... | 02/28/2006 |
| 6982055 | Multiheaded hook The present invention provides a method for forming preferably a unitary polymeric hook fastener comprising a flexible backing, and a multiplicity of spaced hook members projecting from the upper surface of the unitary backing wherein each hook member comprises a mu... | 01/03/2006 |
| 6902818 | Transparent, UV resistant, thermoformable film made from crystallizable thermoplastics, its use and process for its production The invention relates to a transparent, UV-stabilized, single or multi-layered thermoformable film which contains, as a principal constituent, a crystallizable thermoplastic, preferably polyethylene terephthalate, and at least one UV-stabilizer. The inventive films ... | 06/07/2005 |
| 6890466 | Elastically stretchable nonwoven fabric and process for making the same An elastically stretchable nonwoven fabric including thermoplastic elastomer filaments; the filaments being heat-sealed and/or mechanically intertwined together to form the nonwoven fabric that has crimped regions and non-crimped regions wherein each of the crimped ... | 05/10/2005 |
| 6846450 | Method for making a nonwoven web Melt blown or spun bond nonwoven webs are formed by flowing fiber-forming material through a die cavity having a substantially uniform residence time and then through a plurality of orifices to form filaments, using air or other fluid to attenuate the filaments into... | 01/25/2005 |
| 6835339 | Process for preparing poly(trimethylene terephthalate) tetrachannel cross-section staple fiber Poly(trimethylene terephthalate) tetrachannel cross-section staple fibers, as well as yarns, fiberfill webs, batts and products, and fabrics made therewith. Also, the process of making such staple fibers, yarns, fiberfill webs, batts and products, and fabrics. ... | 12/28/2004 |
| 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 |
| 6814912 | Heat treated high density structures A method for forming a unitary polymeric projection or fastener comprising a base layer, and a multiplicity of spaced projections or hook members projecting from the upper surface of the unitary base layer the method generally including extruding of forming a thermo... | 11/09/2004 |
| 6797209 | Method and apparatus for high denier hollow spiral fiber An apparatus and method for producing self-texturing hollow fiber that exhibits a desirable tendency to coil rather than to bend sharply or zig-zag. In one embodiment the invention is a spinneret for the production of hollow filament having first and second curved s... | 09/28/2004 |
| 6790392 | Application of a vaporous mist for spining systems with rectangular nozzles A method and apparatus for the steam misting of rectangular nozzles and spinning systems equipped therewith for producing polyamide filaments whereby the steam feed is conducted through a tube loop which is passed through the heating chamber of the spinning beam so ... | 09/14/2004 |
| 6770364 | Artificial hair and method for production thereof The present invention provides synthetic hair comprising fiber of 30 to 100 decitex, comprising an acrylic copolymer obtained by copolymerizing acrylonitrile, vinylidene chloride and a vinyl monomer containing a sulfonic acid group and a process for preparing the sy... | 08/03/2004 |
| 6764623 | Process of making polyester filamentary yarn for tire cords Polyester multi-filamentary yarn, useful as tire reinforcement, is produced by melting polyester resin at 290° C. or below including at least 90 mol % of polyethylene terephthalate with intrinsic viscosity of 0.7-1.2; filtering the molten resin for filtering retent... | 07/20/2004 |
| 6752945 | Process for making poly(trimethylene terephthalate) staple fibers A process of making polytrimethylene terephthalate staple fibers, including (a) providing polytrimethylene terephthalate, (b) melt spinning the melted polytrimethylene terephthalate at a temperature of 245-285° C. into filaments, (c) quenching the filaments, (d) dr... | 06/22/2004 |
| 6743505 | Bioabsorbable multifilament yarn and methods of manufacture The present invention relates to a process of forming bioabsorbable, multifilament yarn from Lactide-rich copolymers, including the steps of extruding and spinning a Lactide-rich copolymer to form a spun multifilament yarn, pre-tensioning the spun multifilament yarn... | 06/01/2004 |
| 6740270 | Spin draw process of making partially oriented yarns from polytrimethylene terephthalate This invention is a spin draw process for making partially oriented yarn from polytrimethylene terephthalate (PTT) which comprises the steps of: (a) extruding and spinning PTT in forming a monofilament or multifilament yarn therefrom, (b) heating the y... | 05/25/2004 |
| 6723265 | Method for producing polyester-based combined filament yarn A polymer of a kind different from a polyester in an amount within the range of 0.3 to 5.0% by weight based on the polyester is added to the polyester, and the resulting composition is melt-extruded from the same pack. The extruded filament group including polyester... | 04/20/2004 |
| 6706942 | Molded or extruded articles comprising polyhydroxyalkanoate copolymer compositions having short annealing cycle times Environmentally degradable molded or extruded articles comprising a polyhydroxyalkanoate C4C6 copolymer composition having short annealing cycle times are provided. Such short annealing cycle times are achieved by compositions having a percentage of C6 units of 2-8%... | 03/16/2004 |
| 6692687 | Method for high-speed spinning of bicomponent fibers Highly crimped, fully drawn bicomponent fibers, prepared by melt-spinning, followed by gas-flow quenching, heat treatment and high speed windup, are provided, as are fine-decitex and highly uniform polyester bicomponent fibers.... | 02/17/2004 |
| 6663806 | Processes for making poly (trimethylene terephthalate) yarns Fine denier poly(trimethylene terephthalate) feed yarns and drawn yarns wherein the drawn yarns are characterized by a denier per filament less than 1.5 and are drawn such that the actual draw ratio is within 10 percent of the predicted draw ratio determi... | 12/16/2003 |
| 6645622 | Biodegradable fiber and process for preparing the same The object of the present invention is to provide melt-extrusion conditions and drawing process which enable to carry out stable and smooth fiber spinning of polyester produced by microorganisms, particularly P(3HB-CO-3HH) which conventionally had problem... | 11/11/2003 |
| 6632386 | In-line heat treatment of homofilament crimp fibers Stable, heat-set, helically crimped fibers are economically produced with in-line fabric deposition and heat setting and are uncompacted to retain their loft.... | 10/14/2003 |
| 6623680 | Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability A tetrafluoroethylene/hexafluoropropylene copolymer with high drawability is provided. Also provided is a process employing the polymer and an article coated with the polymer.... | 09/23/2003 |
| 6623548 | Filter materials and methods for the production thereof An electrostatically charged filter material including a blend of polypropylene fibres and one selected from the group consisting of: halogen free acrylic fibres; polyvinyl chloride fibers or a mixture of halogen free acrylic fibres and polyvinyl chloride... | 09/23/2003 |
| 6623681 | Polyester fiber and process for preparing the same Intermediate polyester fibre and method for the production thereof, characterized in that highly oriented undrawn polyester yarn with a degree of crystallinity in a specified range is passed under a tension of 0.3×10-2 g/d to 5.0×10-2 | 09/23/2003 |
| 6623639 | Solvent-resistant microporous polybenzimidazole membranes Solvent-resistant polybenzimidazole membranes, methods of making them and crosslinking them and composite membranes and hollow fiber membrane modules from them are disclosed.... | 09/23/2003 |
| 6613257 | Process for making load limiting yarn A process for making load limiting yarn comprising making block copolymer and then spinning the block copolymer into yarn. The process employs a twin screw extruder and comprises (A) forwarding aromatic polyester melt to an injection position in a twin sc... | 09/02/2003 |
| 6613268 | Method of increasing the meltblown jet thermal core length via hot air entrainment A method for producing super fine meltblown fibers increases the length of the meltblown jet thermal core to increase the dwell time of the extruded thermoplastic polymer within the jet thermal core. Through use of the method it is practical to use low vi... | 09/02/2003 |
