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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
5387469 Multilobal fiber with projections on each lobe for carpet yarns Feb. 7, 1995
5384390 Flame-retardant, high temperature resistant polyimide fibers and process for producing the same Jan. 24, 1995
5384082 Process of making spin-oriented polyester filaments Jan. 24, 1995
5374708 Formed polyimide article Dec. 20, 1994
5358679 Manufacture of regenerated cellulosic fiber by zinc free viscose process Oct. 25, 1994
5334452 Carpet fibers having multifoliate cross-sectional configuration Aug. 2, 1994
5286422 Process for producing three-dimensional fiber using a halogen group solvent Feb. 15, 1994
5277855 Process for forming a yarn having at least one electrically conductive filament by simultaneously cospinning conductive and non-conductive filaments Jan. 11, 1994
5268229 Spinneret orifices and filament cross-sections with stabilizing legs therefrom Dec. 7, 1993
5263845 Spinnerette plate for the manufacture of multilobal fibers with projections on each lobe Nov. 23, 1993
5260013 Sheath-core spinning of multilobal conductive core filaments Nov. 9, 1993
5259753 Spinneret capillaries Nov. 9, 1993
5256050 Method and apparatus for spinning bicomponent filaments and products produced therefrom Oct. 26, 1993
5252282 Polyesters with low crystallization speed and process for producing them Oct. 12, 1993
5244723 Filaments, tow, and webs formed by hydraulic spinning Sep. 14, 1993
5244614 Process of making multicomponent trilobal fiber Sep. 14, 1993
5221383 Pneumatic tire having a carcass reinforced with a flat cord made of a plurality of interconnected monofilaments Jun. 22, 1993
5208107 Hollow trilobal cross-section filament May. 4, 1993
5204041 Method of making ultra-fine polyester fibers Apr. 20, 1993
5202072 Pitch carbon fiber spinning process Apr. 13, 1993
5176926 Spinnerets for producing trilobal and tetralobal filaments exhibiting low glitter and high bulk Jan. 5, 1993
5171512 Melt-blowing method having notches on the capillary tips Dec. 15, 1992
5129812 Multiple profile filaments from a single counterbore Jul. 14, 1992
5125818 Spinnerette for producing bi-component trilobal filaments Jun. 30, 1992
5115067 Molecularly oriented molded body of ultra-high-molecular weight ethylene/.alpha.-olefin copolymer May. 19, 1992
5108838 Trilobal and tetralobal filaments exhibiting low glitter and high bulk Apr. 28, 1992
5106457 Hydroentangled nonwoven fabric containing synthetic fibers having a ribbon-shaped crenulated cross-section and method of producing the same Apr. 21, 1992
5081220 Copolyesters of 4,4'-biphenyldicarboxylic acid, 1,4-butanediol and ethylene glycol Jan. 14, 1992
5070185 High shrinkage polyester fibers and method of preparation Dec. 3, 1991
5068142 Fiber-reinforced polymeric resin composite material and process for producing same Nov. 26, 1991
5057368 Filaments having trilobal or quadrilobal cross-sections Oct. 15, 1991
5039457 Multifilament type plastic optical fiber and process for preparation thereof Aug. 13, 1991
5017112 Melt-blowing die May. 21, 1991
5006057 Modified grooved polyester fibers and spinneret for production thereof Apr. 9, 1991
5006403 Wholly aromatic polyester fiber-reinforced poly(phenylene oxide) and process for preparing same Apr. 9, 1991
5006402 Wholly aromatic polyester fiber-reinforced high performance thermoplastic and process for preparing same Apr. 9, 1991
5001206 Oriented polyolfins Mar. 19, 1991
4973654 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and ethylene glycol Nov. 27, 1990
4970042 Synthetic fibers having uneven surfaces method for melt-spinning Nov. 13, 1990
4959450 Copolyesters from 4,4'biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and 1,6-hexanediol Sep. 25, 1990
4956448 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol Sep. 11, 1990
4952265 Mat consisting of filament loop aggregations and method and apparatus for producing the same Aug. 28, 1990
4935180 Formation of melt-spun acrylic fibers possessing a highly uniform internal structure which are particularly suited for thermal conversion to quality carbon fibers Jun. 19, 1990
4933427 New heather yarns having pleasing aesthetics Jun. 12, 1990
4933128 Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers Jun. 12, 1990
4929698 New polyester yarns having pleasing aesthetics May. 29, 1990
4921656 Formation of melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers May. 1, 1990
4916205 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and 1,4-butanediol Apr. 10, 1990
4914179 Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and ethylene glycol Apr. 3, 1990
4913757 Method of producing a mat consisting of filament loop aggregations Apr. 3, 1990

1 2 3 4 5

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