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Class Information
Number: 264/209.6
Name: Plastic and nonmetallic article shaping or treating: processes > Forming continuous or indefinite length work > Shaping by extrusion > Hollow article > Curing or polymerizing operation during extrusion (e.g., cross-linking, vulcanizing, etc.)
Description: Processes wherein at least some of the material being shaped is polymerized or cured, e.g., cross-linked, vulcanized, etc., during the extrusion.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8703030 Crosslinked polyethylene process Apr. 22, 2014
8658074 Automatic elastomer extrusion apparatus and method Feb. 25, 2014
8647551 Process for producing moldings with an increase in the melt stiffness Feb. 11, 2014
8641947 Method and extrusion line for producing peroxide-cross-linked polyethylene pipes Feb. 4, 2014
8535586 Highly basic ionomers and membranes and anion/hydroxide exchange fuel cells comprising the ionomers and membranes Sep. 17, 2013
8470232 Annular belt made of polyimide and a production method thereof Jun. 25, 2013
8241545 Method of making polylactic acid and its products Aug. 14, 2012
8202467 Propylene-based polymer article Jun. 19, 2012
8187513 Method for producing articles consisting of polymer materials having a medicamentous depot effect May. 29, 2012
7829009 Process for the production of a polymer layer of a flexible offshore pipe and a flexible unbonded offshore pipe Nov. 9, 2010
7731879 Extrusion of peroxide crosslinkable polymer parts Jun. 8, 2010
7520057 Process for producing conductive rubber roller, and roller for electrophotographic apparatus Apr. 21, 2009
7008589 Method and device for producing fastener parts from radiation cured plastic materials Mar. 7, 2006
6797212 Method for forming hollow fibers Sep. 28, 2004
6524516 Apparatus and a method for the extrusion of moulding from a cross-linkable polymer material Feb. 25, 2003
6508972 Method for manufacturing rubber tubes Jan. 21, 2003
6482344 Superabsorbent polymer fibers having improved absorption characteristics Nov. 19, 2002
6361842 Reformed crosslinked polyethylene articles Mar. 26, 2002
6325959 Use of cross-linked polyolefins material in pressure pipes Dec. 4, 2001
6300469 Production of reduced gas-permeable polyalkylene terephthalate films by strain induced crystallization Oct. 9, 2001
6268031 Injection hose and method of producing it Jul. 31, 2001
6258310 Cross-linking thermoplastic polyurethane Jul. 10, 2001
6113997 Process to prepare a polyester resin Sep. 5, 2000
5980790 Process for producing a copolymer Nov. 9, 1999
5932157 Sealable composite polypropylene film and processes for producing and using it Aug. 3, 1999
5811164 Aeration pipe and method of making same Sep. 22, 1998
5811038 Method of blending components for porous plastic pipe processing Sep. 22, 1998
5762850 Technique for manufacturing hose Jun. 9, 1998
5756023 Method of producing reformed crosslinked polyethylene articles May. 26, 1998
5733496 Electron beam irradiation of catheters to enhance stiffness Mar. 31, 1998
5688877 Kinetically controlled in-situ generation of catalytic species for the curing of epoxy/amine compositions Nov. 18, 1997
5652322 Heat-curable epoxy resin systems having a good reactivity/stability ratio Jul. 29, 1997
5650116 Method of making a medical device from ironically crosslinked polymer Jul. 22, 1997
5589111 Polyimide precursor composition for extrusion molding of polyimide, process for preparing it, and process for preparing molded articles of polyimide Dec. 31, 1996
5573720 Extrusion of thermally cross-linkable materials Nov. 12, 1996
5549943 Heat shrinkable nylon food casing with a polyolefin core layer Aug. 27, 1996
5521275 Method for improving catalyst efficiency during polycarbonate redistribution May. 28, 1996
5514312 Process for manufacturing a flexible tubular conduit having a jacket made of crosslinked polyethylene May. 7, 1996
5503928 Fibre reinforced composites Apr. 2, 1996
5480692 Process to increase the resistance to tearing of a heat-resettable material web Jan. 2, 1996
5458838 Heating and extruding method for bulk preform Oct. 17, 1995
5393536 Coextrusion apparatus Feb. 28, 1995
5372765 Continuous process for extrusion of thermoplastic resin Dec. 13, 1994
5269808 Method and apparatus for tipping sutures Dec. 14, 1993
5268134 Technique for manufacturing hose Dec. 7, 1993
5139710 Shadow boundary process for the continuous radiant cure of composites Aug. 18, 1992
5049338 Method of promoting sol gel siliceous-containing reactions Sep. 17, 1991
5049331 Method of manufacturing a thread-reinforced, extruded rubber body Sep. 17, 1991
4892764 Fiber/resin composites, and method of making the same Jan. 9, 1990
4886631 Cellulose ester hollow fiber membrane for plasma separation Dec. 12, 1989

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