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Class Information
Number: 264/171.27
Name: Plastic and nonmetallic article shaping or treating: processes > Forming continuous or indefinite length work > Layered, stratified traversely of length, or multiphase macrostructure containing material (e.g., conjugate, composite, islands-in-sea, core-sheath, etc.) > Producing hollow composite > Having three or more layers of at least two different materials
Description: Processes directed to a hollow composite which has more than two layers wherein the material comprising at least one of the layers is dissimilar.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8663541 Method of forming a tubular membrane on a structural frame Mar. 4, 2014
8562885 Multilayer structures having annular profiles and methods and apparatus of making the same Oct. 22, 2013
8491744 Method for the production of a cylindrical, strand-shaped part Jul. 23, 2013
8414814 Temporal intraluminal stent, methods of making and using Apr. 9, 2013
8377354 Method of producing films by means of coextrusion blow-moulding Feb. 19, 2013
8137598 Spreader box apparatus and method of forming bi-laminar paintball shell material and paintballs for use with paintball gun Mar. 20, 2012
8105520 Implantable or insertable medical device resistant to microbial growth and biofilm formation Jan. 31, 2012
8048351 Bio-pharmaceutical hose Nov. 1, 2011
8048352 Medical devices Nov. 1, 2011
7972546 Layered composites Jul. 5, 2011
7862872 Multilayer structure based on polyamides and graft copolymers having polyamide blocks Jan. 4, 2011
7851024 Porous membrane and method for manufacturing the same Dec. 14, 2010
7674421 Method of making a guide catheter Mar. 9, 2010
7670540 Apparatus for manufacturing balloon catheter and method the same Mar. 2, 2010
7618570 Production method of weather strip for automobile Nov. 17, 2009
7060151 Method of manufacturing a reinforced hose Jun. 13, 2006
6977103 Dimensionally stable balloons Dec. 20, 2005
6962754 Structure comprising a fluoropolymer layer and a piperazine-based tie resin Nov. 8, 2005
6881361 Method for producing shaped bodies Apr. 19, 2005
6638461 Hybrid disk-cone extrusion die module Oct. 28, 2003
6638463 Hybrid disk-cone extrusion die module having a spillover surface surrounded by a planar seal surface Oct. 28, 2003
6638464 Hybrid disk-cone extrusion die module having a spillover surface surrounding a planar seal surface Oct. 28, 2003
6638462 Hybrid disk-cone extrusion die assembly Oct. 28, 2003
6582536 Process for producing steerable sheath catheters Jun. 24, 2003
6555243 Thermoplastic multilayer composites Apr. 29, 2003
6413595 Modular disk coextrusion die Jul. 2, 2002
6409953 Method of extruding plastic material in multi-layer tubular form Jun. 25, 2002
6319454 Method and apparatus for manufacturing a hollow plastic product Nov. 20, 2001
6303072 Process of making an endless belt Oct. 16, 2001
6177518 Blends of fluoroplastics with polyetherketoneketone Jan. 23, 2001
6174478 Method and apparatus for simultaneous extrusion of two triple-wall pipes Jan. 16, 2001
6045734 Process of making a catheter Apr. 4, 2000
6045737 Coextrusion of liquid crystal polymers and thermoplastic polymers Apr. 4, 2000
5928247 Stent placement device with medication dispenser and method Jul. 27, 1999
5912023 Method of manufacturing and a manufacturing device of reinforced hose Jun. 15, 1999
5891373 Process of making a multi-layer tube Apr. 6, 1999
5888436 Manufacture of variable stiffness microtubing Mar. 30, 1999
5851464 Method of making a fuseless soft tip catheter Dec. 22, 1998
5846575 Pipe forming mandrel with multiple sleeve inner tube Dec. 8, 1998
5840232 Multi-layer parison extrusion system Nov. 24, 1998
5788902 Extrusion of degradable plastic material in tubular form Aug. 4, 1998
5779959 Process for forming plastic articles Jul. 14, 1998
5736094 Method for manufacturing a catheter with varying physical properties along its length Apr. 7, 1998
5718927 Apparatus for multilayer blow molding Feb. 17, 1998
5716650 Multilayer modular extrusion die Feb. 10, 1998
5690972 Annular co-extrusion die Nov. 25, 1997
5676897 Dripline duct with internally located emiters and manufacture process Oct. 14, 1997
5674448 Multi-layer containers Oct. 7, 1997
5667748 Process and apparatus for multilayer blow molding and articles blow-molded therewith Sep. 16, 1997
5643526 Process for preparing a composite tubular article consisting of a vulcanized elastomer used in combination with a thermoplastic containing polyamide blocks especially petrol pipe Jul. 1, 1997

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