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| Number | Title | Issue Date |
| 7964134 | Process for preparing superior carbon fiber A process for preparing superior carbon fiber including a step of rapid imbibation of densification activator from an aqueous bath; and product prepared therefrom. ... | 06/21/2011 |
| 7279440 | Nonwoven amorphous fibrous webs and methods for making them Nonwoven fibrous webs including amorphous polymeric fibers with improved and/or more convenient bondability are disclosed. The nonwoven fibrous webs may include only amorphous polymeric fibers or they may include additional components in addition to amorphous polyme... | 10/09/2007 |
| 7255761 | Stitch-bonded and gathered composites and methods for making same Disclosed herein is a composite comprising at least one heat shrinkable adhesive layer stitch-bonded with yarns, which shrink less than the adhesive layer or do not shrink, when the adhesive layer is exposed to heat. The stitch-bonded yarns form loops upstanding fro... | 08/14/2007 |
| 7214339 | Polyester film and a production method thereof The object of the present invention is to provide a method for producing a polyester film excellent in rigidity, toughness, dimensional stability, electric properties, etc. and less in thickness fluctuation and surface defects, hence very suitable as a film for vari... | 05/08/2007 |
| 7070723 | Method for spin-drawing of melt-spun yarns A method is provided for simultaneous spin-drawing of continuous yarns consisting of one or more filaments, comprising the steps in which a melt of a thermoplastic material is fed to a spinning device, the melt is extruded through a spinneret by means of extrusion o... | 07/04/2006 |
| 7052641 | Process of making stretch wrap film A method of making a plastics stretch film comprises the steps of taking a cast or blown film of LLDPE at a temperature of between 50° C. and 100° C., stretching it in two successive stretching steps, the first step having a stretch ratio higher than that of the s... | 05/30/2006 |
| 7052636 | Heat treated profile extruded hook A method for forming a unitary polymeric projection or fastener comprising a thin, strong flexible backing, and a multiplicity of thin spaced hook members projecting from the upper surface of the unitary backing the method generally including extruding a thermoplast... | 05/30/2006 |
| 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 |
| 6921803 | Poly(trimethylene terephthalate) fibers, their manufacture and use A process for preparing poly(trimethylene terephthalate) fibers comprising (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units and (b) spinning the polymer composition to form... | 07/26/2005 |
| 6896843 | Method of making a web which is extensible in at least one direction A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R1 and the second component has a recovery percentage R2, wherein R1 is higher than R2. Th... | 05/24/2005 |
| 6881362 | Process and apparatus for the relaxation of interlayer sheet A process for relaxation of interlayer sheet is provided which comprises heating the interlayer sheet, followed by leading the heated interlayer sheet over an air-cushion table with regulation of the tension on the interlayer sheet to induce interlayer sheet relaxat... | 04/19/2005 |
| 6881375 | Method of forming a 3-dimensional fiber into a web A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R1 and the second component has a recovery percentage R2, wherein R1 is higher than R2. Th... | 04/19/2005 |
| 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 |
| 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 |
| 6833090 | Process for making a polarizing film The present invention provides a polarizing film having a high polarization degree and high transmittance, a process for producing the polarizing film, and a polarizing plate using the polarizing film, and an optical member. In the process for producing the polarizi... | 12/21/2004 |
| 6818170 | Flexible imaging member seam treatment article and preparation method thereof A flexible imaging belt seam treatment article comprising a high-temperature-resistant flexible substrate that supports a thermoplastic polymer film. The film is deposited on the flexible substrate by dissolution of a film-forming thermoplastic polymer in a carrier ... | 11/16/2004 |
| 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 |
| 6811638 | Method for controlling retraction of composite materials The present invention provides a process for heat treatment of non-woven composite elastic material including a non-woven elastic layer; a non-woven gatherable layer. The process includes stretching the material, heating the material and cooling the material. The ma... | 11/02/2004 |
| 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 |
| 6719935 | Process for forming bioabsorbable implants A process for forming a rod of bioabsorbable polymeric material includes extruding the material at a temperature above its melting point at a controlled rate of between 0.4 to 20 feet per minute to form a continuous rod. The continuous rod is then cooled by passing ... | 04/13/2004 |
| 6676871 | Gas-permeable but liquid-impermeable polyolefin microporous films The invention concerns a method for producing a microporous film with strong isotropic tendency permeable to gases and impermeable to aqueous liquids, consisting of at least one layer, comprising the following successive steps: preparing a mixture consist... | 01/13/2004 |
| 6630240 | Bulky polyester multifilament composite yarn and process for producing the same A bulky polyester multifilament composite yarn having a delicate hand and an appropriate bulkiness, which comprises two types of polyester filaments FA and FB differing from each other in average filament length, the FA being formed from a polyester resin... | 10/07/2003 |
| 6616883 | Process of making stretch wrap film A method of making a plastics stretch film includes the steps of taking cast or blown film of LLDPE at a temperature of between 50° C. and 100° C., stretching it in two successive stretching steps, the first step having a stretch ratio higher than that ... | 09/09/2003 |
| 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 |
| 6613254 | Method for making extruded, oriented fiber The present invention includes processes for making fibers, which processes include an extrusion step wherein molten polymers are extruded through an extrusion die, thereby forming at least one extruded filament; and an orientation step, wherein the filam... | 09/02/2003 |
| 6517762 | Polyester film and production method thereof The object of the present invention is to provide a method for producing a polyester film excellent in rigidity, toughness, dimensional stability, electric properties, etc. and less in thickness fluctuation and surface defects, hence very suitable as a fi... | 02/11/2003 |
| 6471906 | Ultra low-tension relax process and tension gate-apparatus The invention describes a low tension relax process and corresponding apparatus, wherein a tension gate is incorporated into a relax zone in a yarn production process. The tension gate can be anything that produces a drag on the yarn threadline such as an... | 10/29/2002 |
| 6383430 | Method for producing stretch wrap plastic film The present specification discloses a plastics material film (1) that is stretched beyond its yield point to about 100% to 400% elongation and thereafter only partially relaxed to release part of the elastic deformation component in the film to retain bet... | 05/07/2002 |
| 6358457 | Method of stretching films according to an overbias or overstretch profile A method of biaxially stretching a polymeric film along an overbias stretch profile having the steps of (a) imparting a sufficiently high temperature to the film to allow a significant amount of biaxial stretch; and (b) biaxial tenter stretching the film ... | 03/19/2002 |
| 6303067 | Method of stretching films according to an overbias or overstretch stretch profile A method of biaxially stretching a polymeric film according to an overbias or overstretch stretch profile to a final first direction stretch parameter and a final second direction stretch parameter to provide a film having uniform properties. First, a suf... | 10/16/2001 |
| 6287499 | Process of making bioabsorbable block copolymer filaments A method for making bioabsorbable block copolymer includes extruding a mixture of first polymeric component particles with second polymeric component particles under conditions sufficient to cause transesterification. The resulting block copolymer filamen... | 09/11/2001 |
| 6174479 | Process for processing a semicrystalline thermoplastic A process for preparing thermoplastics comprising the steps of cooling an extrudate to a temperature T1, drawing the molten extrudate, relaxing the extrudate at a temperature T3 for a duration of at least the average relaxation time ... | 01/16/2001 |
| 6129882 | Apparatus for manufacturing multifilament threads The invention relates to an apparatus for manufacturing multifilament threads with at least one hot-air module 6 for drawing or relaxing the thread Y. To manufacture multifilaments with particularly high strength and to avoid the problems of the bearings ... | 10/10/2000 |
| 6071452 | Process of making polytetrafluoroethylene fiber A PTFE fiber that is adapted to be sewn at high speeds. The fiber has a toughness greater than about 0.36 grams per denier (g/d). A range for the toughness is from about 0.36 to about 1.01 g/d, with a preferred range being from about 0.50 to about 0.80 g/... | 06/06/2000 |
| 6017480 | Process for producing polyolefin materials A process for producing polyolefin materials is disclosed which comprises the steps of (a) preparing a molded article of an ultra-high-molecular-weight polyolefin having a viscosity-average molecular weight of more than 500,000; (b) stretching said articl... | 01/25/2000 |
| 5958322 | Method for making dimensionally stable nonwoven fibrous webs A method and apparatus for tentering nonwoven webs during annealing. The nonwoven web of thermoplastic fibers is restrained on a tentering structure at a plurality of tentering points distributed across an interior portion of the web, rather than just alo... | 09/28/1999 |
| 5945055 | Process for making a filament from a polyester-polypropylene blend A method for making linear materials for fasteners, particularly monofilaments, which possess pearly luster and retain this pearly luster intact even after being dyed. A polyester, particularly polyethylene terephthalate, is blended with 1 to 10% by weigh... | 08/31/1999 |
| 5925305 | Oriented film easy to split and method of producing the same An oriented splittable film which contains nylon and meta-xylylene adipamide at a weight ratio of 40-85:15-60 and which was oriented with a magnification above 2.8 times in both directions of MD and TD. Examples of nylon include nylon 66, nylon 6-66 copol... | 07/20/1999 |
| 5925450 | Polystyrene foam sheet manufacture The method of making polystyrene foam for foam products which comprises utilizing atmospheric gases as the blowing agents or preferably mixing one or more of these gases and a blending agent which is non-volatile at the extrusion temperatures, introducing... | 07/20/1999 |
