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Class Information
Number: 264/209.1
Name: Plastic and nonmetallic article shaping or treating: processes > Forming continuous or indefinite length work > Shaping by extrusion > Hollow article
Description: Processes wherein the article produced is hollow.










Sub-classes under this class:

Class Number Class Name Patents
264/209.7 At least two distinct operational temperatures employed during the extrusion operation 51
264/209.6 Curing or polymerizing operation during extrusion (e.g., cross-linking, vulcanizing, etc.) 86
264/209.2 Including rotational or translational movement of a material shaping member 192
264/209.8 Providing special flow channel feature (e.g., varying dimension of flow channel or varying direction of flow of material in the extruder, etc.) 169
264/209.3 Reshaping product (extrudate) subsequent to extrusion 208


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8703030 Crosslinked polyethylene process Apr. 22, 2014
8673100 Strip lined catheters and methods for constructing and processing strip lined catheters Mar. 18, 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
8641946 Extrudate having capillary channels Feb. 4, 2014
8628718 Modified polylactic acid, polymeric blends and methods of making the same Jan. 14, 2014
8618200 Electrode lead for medical use, insulating tube and method for producing the same Dec. 31, 2013
8608995 Method for manufacturing a separated tip catheter Dec. 17, 2013
8585947 Process for manufacturing a composite ring Nov. 19, 2013
8568860 Multiwall polymer sheet comprising branched polycarbonate Oct. 29, 2013
8545742 Method of fabricating a low crystallinity poly(L-lactide) tube Oct. 1, 2013
8518508 Highly-durable tube usable for movement unit for rotation, flexion, and the like and method for producing the same Aug. 27, 2013
8512627 Method for the production of an asymmetric hollow fiber membrane Aug. 20, 2013
8470232 Annular belt made of polyimide and a production method thereof Jun. 25, 2013
8431057 Catheter shaft and method of its manufacture Apr. 30, 2013
8420221 Semiaromatic moulding compositions and uses of these Apr. 16, 2013
8409680 Polyamide-polydiene blends with improved oxygen reactivity Apr. 2, 2013
8409487 Processes and systems for manufacturing spars and other hollow structures Apr. 2, 2013
8394475 Industrial polyolefin piping system Mar. 12, 2013
8377354 Method of producing films by means of coextrusion blow-moulding Feb. 19, 2013
8377356 Methods for fabricating polymer-bioceramic composite implantable medical devices Feb. 19, 2013
8366980 Method for producing hollow structual body Feb. 5, 2013
8337734 Non-stick medical tubing Dec. 25, 2012
8304049 .beta.-nucleated polypropylene composition Nov. 6, 2012
8246877 Method, apparatus and a forming part for casting a concrete product by slipform casting Aug. 21, 2012
8216498 Catheter having a coextruded fluoropolymer layer Jul. 10, 2012
8202467 Propylene-based polymer article Jun. 19, 2012
8182890 Biodegradable endoprostheses and methods for their fabrication May. 22, 2012
8137603 Bioabsorbable polymeric composition for a medical device Mar. 20, 2012
8133417 Process for the preparation of transparent shaped articles Mar. 13, 2012
8104624 Preparation of high performance ultra filtration hollow fiber membrane Jan. 31, 2012
8105520 Implantable or insertable medical device resistant to microbial growth and biofilm formation Jan. 31, 2012
8097314 Fluororesin tube and process for producing the same Jan. 17, 2012
8051991 Plasma separation membrane Nov. 8, 2011
8048350 Structural hydrogel polymer device Nov. 1, 2011
8048351 Bio-pharmaceutical hose Nov. 1, 2011
8043688 Multiwall sheet, an article, a method of making a multiwall sheet Oct. 25, 2011
8007700 Coaxial cable of low dielectric constant, and a fabrication method and tool therefor Aug. 30, 2011
7993568 Profiled insulation LAN cables Aug. 9, 2011
7959836 Process for the preparation of transparent, shaped articles containing polyesters comprising a cyclobutanediol Jun. 14, 2011
7955533 Process for the preparation of transparent shaped articles Jun. 7, 2011
7927529 Method of forming bioabsorbable drug delivery devices Apr. 19, 2011
7829009 Process for the production of a polymer layer of a flexible offshore pipe and a flexible unbonded offshore pipe Nov. 9, 2010
7799891 Phosphorus containing compounds for reducing acetaldehyde in polyesters polymers Sep. 21, 2010
7785363 Skewed nodal-fibril ePTFE structure Aug. 31, 2010
7780430 Mandrel, and apparatus and process for resin film production with mandrel Aug. 24, 2010
7776243 Recycled materials strengthening process, system and products Aug. 17, 2010
7758331 Pipe support system Jul. 20, 2010
7748975 Molding die Jul. 6, 2010
7731879 Extrusion of peroxide crosslinkable polymer parts Jun. 8, 2010

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