Class 264/178F - Filaments

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
No. of patents: 189
Last issue date: 12/20/2011

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Number	Title	Issue Date
8080197	Method for manufacturing filaments from an optically anisotropic spinning solution and air gap spinning device The invention pertains to a method for manufacturing filaments from an optically anisotropic spinning solution in which the spinning solution is extruded through a spinneret including a spinning field with a plurality of spinning orifices into a coagulation bath thr...	12/20/2011
7736561	High tenacity polyethylene yarn A process for preparing ultra-high molecular weight polyethylene (UHMWPE) multi-filament yarns having improved tensile properties and the yarns and articles thereby produced. ...	06/15/2010
7425289	Process of making cellulose acetate tow In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of nip rollers, at least one, made of a solid ceramic material. ...	09/16/2008
7410696	Polyoxymethylene fibers, production thereof and use thereof Described are fibers comprising a polyoxymethylene copolymer having an ISO 1133 MVR melt index (determined at 190° C. under a load of 2.16 kg) in the range from 0.3 to 30 ml/10 min which possess a bend recovery (measured by the double loop method in air and/or wate...	08/12/2008
7377762	System for producing resin molded article with spring structure The present invention relates to a resin-molded article with a spring structure, and to a method and apparatus for preparing a superficial layer of such a resin-molded article with a spring structure which has surfaces free from undulations, comprises fused filament...	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
7351243	High strength bioresorbables containing poly-glycolic acid Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said compositions are also described, comprising rendering PGA into an amorph...	04/01/2008
7347960	Dispersion spinning core-shell fluoropolymers A process is disclosed for dispersion spinning non-melt-processible fluoropolymer fiber in which a mixture of an aqueous dispersion of non-melt-processible fluoropolymer particles and an aqueous solution of a matrix polymer is formed. The non-melt-processible fluoro...	03/25/2008
7288220	Solution spinning of UHMW Poly (alpha-olefin) with recovery and recycling of volatile spinning solvent A process for spinning high molecular weight poly (alph-olefin) filament, particularly ultrahigh molecular weight polyethylene filament, from solution in a volatile spinning solvent with recovery and recycling of the solvent. ...	10/30/2007
7214335	Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved in the liquid-state, concentrated N-methylmorpholine-N-oxide (hereinaf...	05/08/2007
7147807	Solution spinning of UHMW poly (alpha-olefin) with recovery and recycling of volatile spinning solvent A process for spinning high molecular weight poly (alph-olefin) filament, particularly ultrahigh molecular weight polyethylene filament, from solution in a volatile spinning solvent with recovery and recycling of the solvent. ...	12/12/2006
7141617	Directed assembly of three-dimensional structures with micron-scale features The invention provides polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte, dissolved in the solvent, and an anionic polyelectrolyte, dissolved in the solvent. The concentration of at least one of the polyelectrolytes in the solvent is in a semidil...	11/28/2006
7118551	Non-metal reinforcing mandrel An apparatus for providing support along the length of a catheter is described. The present invention consists of a mandrel fabricated from a non-metal. The mandrel extends through the lumen of a dilatation catheter to provide added support and stiffness to the cath...	10/10/2006
7115318	Drawn gel-spun polyethylene yarns and process for drawing Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced. The drawn yarns are useful in impact absorption and ballistic resistance for body armor, helmets, breast pl...	10/03/2006
7081297	Drawn gel-spun polyethylene yarns and process for drawing Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced. The drawn yarns are useful in impact absorption and ballistic resistance for body armor, helmets, breast pl...	07/25/2006
7078099	Drawn gel-spun polyethylene yarns and process for drawing Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced. The drawn yarns are useful in impact absorption and ballistic resistance for body armor, helmets, breast pl...	07/18/2006
7078097	Drawn gel-spun polyethylene yarns and process for drawing Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced. The drawn yarns are useful in impact absorption and ballistic resistance for body armor, helmets, breast pl...	07/18/2006
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
7025916	Process of making bioengineered collagen fibrils The invention is directed to a class of fiber or strand suspension compositions that may be processed further into viscoelastic pastes or porous solids. The preferred compositions of the invention comprise biologically derived or biologically compatible materials, s...	04/11/2006
6972101	Method and device for regulating the composition of solution(s) A method and device for regulating the composition of a solution(s) in the production of cellulosic mouldings. The device comprises multiple measuring devices for the measurement of non-optical properties of the solution. According to invention, by measuring the non...	12/06/2005
6969553	Drawn gel-spun polyethylene yarns and process for drawing Gel-spun multi-filament polyethylene yarns possessing a high degree of molecular and crystalline order, and to the drawing methods by which they are produced. The drawn yarns are useful in impact absorption and ballistic resistance for body armor, helmets, breast pl...	11/29/2005
6902690	Method and device for producing cellulosed shaped bodies The invention relates to a method for producing cellulosed shaped bodies. (a) Cellulose and an aqueous aminoxide are mixed, whereby a suspension is produced. (b) A cellulose solution is produced from the suspension, whereby water evaporates. (c) A first property and...	06/07/2005
6841230	Long-fiber-reinforced thermoplastice resin sheets, production process thereof, and composite structures reinforced by the sheets A long-fiber-reinforced thermoplastic resin sheet comprises short strands, each of which has a width of from 0.2 to 5 mm and a length of from 10 to 150 mm and is made of a unidirectionally long-fiber-reinforced thermoplastic resin. The short strands are oriented at ...	01/11/2005
6730252	Methods for fabricating a filament for use in tissue engineering The invention relates to the use of Fused Deposition Modeling to construct three-dimensional (3D) bioresorbable scaffolds from bioresorbable polymers such as polycaprolactone (PCL), or from composites of bioresorbable polymers and ceramics, such as polycaprolactone/...	05/04/2004
6592794	Process of making bioengineered collagen fibrils The invention is directed to a class of fiber or strand suspension compositions that may be processed further into viscoelastic pastes or porous solids. The preferred compositions of the invention comprise biologically derived or biologically compatible m...	07/15/2003
6582634	Process of making a yarn A method of converting a plastics material into a yarn, in which the plastics material includes one or more polymers selected from the group consisting of nylon, polyesters, polyethylene, polyvinyl chloride, polyphenylene sulphide, polystyrene. The method...	06/24/2003
6569366	Process for producing meta-type wholly aromatic polyamide filaments A meta-type wholly aromatic polyamide containing, as principal repeating units, meta-phenylenediamineisophthalamide units is dissolved in an amide compound solvent; the resultant polymer solution is subjected to a wet-spinning procedure wherein the polyme...	05/27/2003
6527997	Process of making cellulose formate fibers of liquid crystal origin A cellulose formate fiber of liquid-crystal origin, having a high elongation at break and having the following characteristics: a) under an optical polarizing microscope, its filaments have a banded structure typical of its liquid-crystal origin; b) it satisfi...	03/04/2003
6527996	Process of making a tubular dental hygiene device This invention relates to a novel composition for use in dental flosses or tapes. More particularly, it relates to novel compositions containing a base polymer, a block copolymer and a nonmigrating compatibilizer or plasticizer that, in combination in a b...	03/04/2003
6527987	Process for producing regenerated cellulosic fibers It is an object of the present invention to overcome the problem of fibrillation which is a drawback found in solvent-spun regenerated cellulosic fibers and to thereby provide high-quality regenerated cellulosic fibers. The regenerated cellulosic fibers a...	03/04/2003
6436323	Production of fibre Staple fiber is produced by extruding a solution of a polymer through a spinneret to form continuous filaments, gathering the continuous filaments to form a tow and continuously cutting the filaments in a cutter to form staple fiber. At least one jet of g...	08/20/2002
6436319	Method of preparing hollow fiber-type separation membrane from high density polyethylene A method for preparing a hollow fiber-type separation membrane from high density polyethylene is provided, which includes the steps of: melt-spinning a mixture of a high density polyethylene and a diluting agent to produce a phase-separated undrawn hollow...	08/20/2002
6303063	Process of making a yarn A method of converting a plastics material into a yarn includes heating the material to melt it and pumping the melted material through an extrusion die (114) to form an extruded filament (116). The extruded filament is cooled and passed through a first d...	10/16/2001
6238608	Method for producing polyamide monofilaments and monofilament for technical fabric The process produces vacuole-free coarse polyamide monofilaments having diameters of from 0.8 to 1.5 mm. It includes preparing a mixture including from 75 to 85 percent by weight polyamide 66 and from 25 to 5 percent by weight polyamide 6; immediately aft...	05/29/2001
6235869	Absorbable polymers and surgical articles fabricated therefrom Synthetic absorbable medical devices made totally or in part from a random polymer comprising glycolide, lactide, trimethylene carbonate, and caprolactone are provided. The polymer can be fabricated into a monofilament which exhibits physical characterist...	05/22/2001
6171537	Preparation of poly (urethaneurea) fibers A process for the preparation of poly(urethaneurea) fibers by reacting a blocked aliphatic diamine with a capped glycol prepolymer, followed by extrusion spinning, is provided....	01/09/2001
6127506	Process for melt spinning spandex A process for melt spinning spandex, utilizing a polyurethaneurea polymer prepared from a purified capped glycol, linear aliphatic diamines and a monoamine chain terminator, is provided....	10/03/2000
6094769	Bristle for a toothbrush The invention is directed to a bristle (1) for a toothbrush, in particular for an electric toothbrush, which is comprised of a monofilament (2) made of plastic. The monofilament (2) is of a non-circular cross-section, is twisted about its longitudinal axi...	08/01/2000
6036895	Process and device for the formation of monofilaments produced by melt-spinning A continuous process and apparatus for the production of melt-spun monofilaments having a diameter of 60 μm to 2500 μm from fiber-forming polymers, wherein the polymer melt is spun into air from a spinning head, laterally quenched in a spinning cabinet ...	03/14/2000
6017474	Highly permeable polyethersulfone hollow fiber membranes for gas separation Formulation polymer dopes and development of processes for preparing asymmetric polyethersulfone hollow fiber membranes for gas separation are provided. Polyethersulfone hollow fiber membranes which exhibit improved gas permeability and selectivity have b...	01/25/2000

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Class 264/178F - Filaments