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Class 264/211.22 - Filament (e.g., fiber, etc.)


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the product is a filament or fiber.
No. of patents: 81
Last issue date: 08/19/2008


1      
NumberTitleIssue Date
7413701Clutch linings comprising fiber-reinforced ceramic materials
Clutch linings comprising fiber-reinforced ceramic materials which contain short carbon fibers and whose matrix has a mass fraction of at least 40% of silicon carbide, process for producing them and their use in clutch systems, in particular for motor vehicles. ...
08/19/2008
7384583Production 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
7378045Process 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
7172399Spin beam
An apparatus for spinning melt-spun filament yarns including a spin beam is disclosed. A polymer melt fed to a spin beam is distributed within the spin beam to a plurality of spinning cans mounted on the spin beam. To reduce costs to the manufacturer for ensuring ea...
02/06/2007
7135135Superabsorbent water sensitive multilayer construction
A multilayer construction that includes a first layer that includes water sensitive thermoplastic polymer and a second layer disposed on the first layer, the second layer including superabsorbent polymer. ...
11/14/2006
7048431Plastic processing machine for producing fiber-containing thermoplastics
A plastics processing machine for producing fiber-containing thermoplastics includes an extruder, and a scale assembly having a weighing plate for determining an amount of fiber to be supplied to the extruder. A fiber feeding device supplies fibers from a take-off u...
05/23/2006
7049391Method for reducing the caprolactam content of polyamide 6, a polyamide 6 and use thereof
The invention relates to a method for reducing the caprolactam content of polyamide 6 obtained especially by hydrolytic polymerization of epsilon-caprolactam. The method is characterized by the use of an additive that forms isocyanuric acid under the influence of he...
05/23/2006
6884378Methods for manufacturing super micro fibers
This invention relates to methods for manufacturing super-micro fibers to produce fibers having dimensions of between 0.003-0.0003 denier per filament. The manufacturing methods include the following steps: blending polyamide-polyester mixtures; passing said polyami...
04/26/2005
6803003Compositions and methods for preparing multiple-component composite materials
Methods for preparing fibrous monolith composite materials include continuously extruding cell and boundary material compositions. A filament is formed from a cell material composition and passed through a chamber of an extrusion assembly. A boundary material compos...
10/12/2004
6719937Method for making polyamide fibers
The invention relates to a process for manufacturing polyamide fibers having properties suitable and compatible for use as fibers for the manufacture of felt for paper machines. The process of the invention relates more particularly to the addition of stabilizers to...
04/13/2004
6699922Hydrophilic additive
Polymers having increased hydrophilicity are made by adding to the polymer an effective amount of an additive which is a di-C10-12 fatty acid ester of polyethylene glycol....
03/02/2004
6692601Method and apparatus for production of sub-denier spunbond nonwovens
A unique isotropic sub-denier spunbond nonwoven product created by an apparatus and method comprising a unique multi-head resin metering system, a spinneret head with spinning sections, separated by a quench fluid extraction zone, a two sided, multilevel ...
02/17/2004
6637181Elastane threads and method for the production thereof
Described is a process for producing segmented polyurethanes having improved processing characteristics in the melt state and an efficient spinning process based thereon to form highly elastic, fine linear density elastane yarn and filament having improve...
10/28/2003
6627129Process of making high RV polyamide filaments
The present invention relates to industrial high relative viscosity (RV) filaments, such as, for use in papermaking machine felts and other staple fiber applications. The invention is further directed to apparatus and processes for solid phase polymerizat...
09/30/2003
6613257Process 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
6555038Method for producing aqueous liquor dyeable modified polypropylene threads and the use thereof
The invention relates to a method for producing aqueous liquor dyeable modified polypropylene threads. The inventive method is characterized in that a CR polypropylene suitable for fiber formation is mixed with a reaction partner which can react with CR p...
04/29/2003
6552123Thermoplastic polyvinyl alcohol fibers and method for producing them
Provided are melt-spun fibers comprising, as at least one component, a water-soluble polyvinyl alcohol, and a method for producing fibrous structures comprising the fibers. The thermoplastic polyvinyl alcohol fibers comprise, as at least one component, a ...
04/22/2003
6365079Process for preparing starch and epoxy-based thermoplastic polymer compositions
A process for preparing a starch-based thermoplastic hydroxy-functionalized polyetheramine comprising continuously feeding from about 40 to about 98 weight percent starch and from about 2 to about 60 weight percent of a thermoplastic hydroxy-functionalize...
04/02/2002
6355347Methods of making blend compositions of an unmodified polyvinyl alcohol and metallocene polyolefin or a grafted metallocene polyolefin
This invention relates, in general, to methods of making blend compositions of an unmodified polyvinyl alcohol and a metallocene polyolefin or grafted metallocene polyolefin and thermoplastic film and fiber structures comprising these blend compositions. ...
03/12/2002
6350518Methods of making blend compositions of an unmodified poly vinyl alcohol and a thermoplastic elastomer
This invention relates, in general, to methods of making blend compositions of an unmodified poly vinyl alcohol and a thermoplastic elastomer and thermoplastic film and fiber structures comprising these blend compositions. More specifically, this inventio...
02/26/2002
6280671Process for preparing multilayer plastic composites of incompatible plastics
Multilayer plastic composites containing at least two incompatible plastics, A and B, in which the layering sequence alternates between A and B, the layers of plastic B are discontinued at regular intervals, and the resulting gaps in the layers are filled...
08/28/2001
6261677Synthetic fiber
A novel synthetic fiber is disclosed including a first component of an aliphatic polyester polymer, a second component of a multicarboxylic acid, an admixture of the first component aliphatic polyester polymer and the second component multicarboxylic acid...
07/17/2001
6256883Method of producing nozzle plate for use in ink jet printer
A method of producing a nozzle plate for use in an ink jet head includes the steps of (a) stretching a predetermined number of resin lines, each having a cross section corresponding in shape to each nozzle hole to be formed in an ink jet head, in the same...
07/10/2001
6248418Polyester product and process for producing the same
The present invention relates to a polyester product excellent in resilient elasticity, shape retainability and shape stability, and a process for producing the same. The invention provides a polyester product with high resilient elasticity, shape retaina...
06/19/2001
6171537Preparation 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
6159597Centrifugal spinning process for spinnable solutions
The invention pertains to a process for spinning fibers or filaments from a spinnable solution using a centrifuge of which the wall has one or more spinning orifices, in which process the spinnable solution is jetted from the centrifuge into a coagulant i...
12/12/2000
6159408Molded article made of fiber-reinforced thermoplastic material and process for producing the same
A disclosed process for producing a molded article made of fiber-reinforced thermoplastic material includes providing a molding machine containing a plasticizing apparatus having an opening for receiving raw materials, an apparatus for feeding the raw mat...
12/12/2000
6149850Addition of additives to polymeric materials
A process for introducing additives into a polymer melt comprising dispersing at least one additive in an at least partially volatile liquid vehicle with a dispersant and a stabilizer for the dispersion; feeding the resulting dispersion to a vented extrud...
11/21/2000
6135987Synthetic fiber
A process is disclosed for forming a synthetic fiber including providing a first component of an aliphatic polyester polymer a second component of a multicarboxylic acid, mixing the first component aliphatic polyester polymer and the second component mult...
10/24/2000
6132661Longitudinally stretched nonwoven fabric and method for producing the same
A longitudinally stretched nonwoven fabric and a method for producing the same, which nonwoven fabric is a web mainly composed of long fiber filaments of 3 μm to 15 μm in diameter and made by short distance stretching in one direction at a stretching ra...
10/17/2000
6129879Propylene polymer fibers and yarns
Process for treating a textile product comprising propylene polymer fibers comprises heating the textile product with the fibers in a substantially relaxed state at at least one temperature that is below the melting point of the propylene polymer but no m...
10/10/2000
6126879Method of making a cut-resistant fiber and fabrics, and the fabric made thereby
A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is included in an amount of about 0.05% to about 20% by weight. In preferred embodiments, the fibe...
10/03/2000
6080346Extrusion apparatus and method and extruded thermoplastic polymer
Polyvinyl alcohol is processed into fiber or pellets for further processing, or directly into water-soluble film, in a screw-and-barrel extruder, which has a slow temperature rise and a mild kneading action achieved by a non-stick coating applied to the s...
06/27/2000
5976441Process for manufacturing an article in the form of a slab and article manufactured
A manufacturing process produces an article in slab form and more precisely an article made from a hydrated matrix which contains cement, sand, water and reinforcing fibers. The process includes the steps of mixing the constituents until a substantially h...
11/02/1999
5942569Polymeric composition in pellet form
A polymeric composition in pellet form comprising a tacky hot melt composition, comprising a) from about 5% by weight to about 90% by weight of a thermoplastic polymer, b) from about 0% by weight to about 65% by weight of a tackifying resin, c) from about...
08/24/1999
5882563Process for making fibres from poly(p-phenylene terephthalamide)
The invention relates to an improvement of the known process for spinning poly(p-phenylene terephthalamide) via an air gap spinning process. It comprises mixing poly(p-phenylene terephthalamide) with concentrated sulphuric acid by a freezing process, heat...
03/16/1999
5858293Method for producing spunbonded materials with improved tensile strength
A spunbonded material having improved tensile strength is made by (1) continuously extruding a propylene homopolymer or random propylene/ethylene copolymer having a melt flow rate of about 3 to about 30 g/10 min at a temperature above 500° F. through a s...
01/12/1999
5851468Reinforcing structural rebar and method of making the same
A structural rebar of the present invention includes: an inner core formed by pultruding reinforcing fibers of a first reinforcing material through a bath or injection system of a first resin material; and an outer cladding comprising an inner cladding la...
12/22/1998
5658662High tenacity, low flammability polyester yarn, production thereof and use thereof
The present invention provides a flammability multifilament yarn comprising a polyester formed from dicarboxylic acid and diol components which contains, in the polymer chain, units of the formula I ##STR1## where R is a saturated open-chain or cycli...
08/19/1997
5656304Apparatus for melt mixing and spinning synthetic polymers
An apparatus for melt mixing and spinning synthetic polymers, which has a plurality of spinning nozzle units, a main extruder with a capacity sufficient to feed a polymer melt to the plurality of spinning nozzle units, a main metering pump for receiving t...
08/12/1997
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