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Class Information
Number: 264/177.13
Name: Plastic and nonmetallic article shaping or treating: processes > Forming continuous or indefinite length work > Shaping by extrusion > To produce particular cross section (e.g., noncircular, etc.) > Filament (e.g., t-configured, dog-bone, trilobal, etc.)
Description: Processes wherein the product produced is a filament or fiber having a particular cross-section, e.g., T-configured, dog-bone, trilobal, etc.










Sub-classes under this class:

Class Number Class Name Patents
264/177.14 Hollow or tubular work produced 114


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4872979 Chromatography column Oct. 10, 1989
4863662 Method for melt-spinning thermoplastic polymer fibers Sep. 5, 1989
4859381 Process for preparing pitch-type carbon fibers Aug. 22, 1989
4859382 Process for preparing carbon fibers elliptical in section Aug. 22, 1989
4850847 Spinneret for hollow fibers having curved spacing members projecting therefrom Jul. 25, 1989
4842792 Drafting process for preparing a modified polyester fiber Jun. 27, 1989
4812361 Acrylic fiber having Y-type section and process for producing the same Mar. 14, 1989
4810319 Method of making a monofilament having on the surface embedded filamentons material Mar. 7, 1989
4810443 Method for forming filaments from a resin Mar. 7, 1989
4810448 Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments Mar. 7, 1989
4801502 Non-flammable, high-temperature resistant polyimide fibers made by a dry spinning method Jan. 31, 1989
4792489 Synthetic fibers having uneven surfaces and a method of producing same Dec. 20, 1988
4772347 Process for making filamentary structure Sep. 20, 1988
4756679 Apparatus for cooling and conditioning melt-spun material Jul. 12, 1988
4728698 Liquid crystal fiber-reinforced polymer composite and process for preparing same Mar. 1, 1988
4720314 Process for producing self-crimping polyester yarn Jan. 19, 1988
4720366 Method for producing fiber reinforced thermoplastic material Jan. 19, 1988
4715418 Pneumatic tires having high uniformity Dec. 29, 1987
4702875 Process for producing high tenacity polyhexamethylene adipamide yarn having ribbon cross-section Oct. 27, 1987
4698083 Method for producing glass fibers having non-circular cross sections Oct. 6, 1987
4600743 Antistatic fiber containing polyoxyalkylene glycol Jul. 15, 1986
4590032 Process for draw-fracturable yarn May. 20, 1986
4562029 Self-crimping polyester yarn Dec. 31, 1985
4526738 Polyester fiber and method for the production thereof Jul. 2, 1985
4504432 Process for producing a monofilament having high tenacity Mar. 12, 1985
4489543 Self-crimping yarn Dec. 25, 1984
4473386 Method and apparatus for fiber production from heat softenable material Sep. 25, 1984
4460649 Composite fiber Jul. 17, 1984
4455347 Acrylic fibers having irregular-form section and process for producing the same Jun. 19, 1984
4419313 Self crimping yarn and process Dec. 6, 1983
4416934 Woven or knitted polyester multifilament fabric Nov. 22, 1983
4414801 Process for making spun-like yarn with variable denier filaments Nov. 15, 1983
4414276 Novel assembly of composite fibers Nov. 8, 1983
4411852 Spinning process with a desensitized spinneret design Oct. 25, 1983
4408977 Spinneret orifice cross-sections Oct. 11, 1983
4405686 Crimpable conjugate filamentary yarns having a flattened cross-sectional configuration Sep. 20, 1983
4395377 Porous acrylic synthetic fibers comprising cellulose acetate in an acrylic matrix and method for producing said fibers Jul. 26, 1983
4392808 Spinneret orifice cross-sections Jul. 12, 1983
4385886 Spinneret plate May. 31, 1983
4376743 Melt spinning process Mar. 15, 1983
4364996 Synthetic fibers having down/feather-like characteristics and suitable for wadding Dec. 21, 1982
4359445 Method for producing a lofted mat Nov. 16, 1982
4351147 Spun-like yarn Sep. 28, 1982
4351879 Porous acrylic synthetic fibers comprising cellulose acetate in an acrylic matrix Sep. 28, 1982
4346146 Porous flame retardant acrylic synthetic fibers and a method for producing these fibers Aug. 24, 1982
4332761 Process for manufacture of textile filaments and yarns Jun. 1, 1982
4332757 Process for continuous filament yarn with wool-like hand Jun. 1, 1982
4332758 Method for producing polyester wool-like yarn Jun. 1, 1982
4328055 Gut May. 4, 1982
4325765 High speed spinning of large dpf polyester yarn Apr. 20, 1982

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