Patents
Sitemap › B29 - Working of plastics; Working of substances in a plastic state in general › B29D - Producing particular articles from plastics or from substances in a plastic state › B29D 23 - Producing tubular articles
Patents for B29D 23 - Producing tubular articles (6,162)
09/2003
09/24/2003CN1121938C Method and device for producing two chamber tube
09/18/2003US20030175460 Rheology modification of polymers prepared using metallocenes
09/17/2003EP1121549B1 Plastic stop valve and method for the production thereof
09/17/2003CN1121448C Polyethylene terephthalate (PET) pipe material and its preparation method
09/10/2003CN1120788C Two-chamber tube
09/09/2003US6616996 Variable stiffness microtubing and method of manufacture
09/09/2003US6616651 Intravascular microcatheter with embedded helical coil reinforcement member and methods and apparatus for making same
09/03/2003CN2570009Y Double flat wall helical hollow structural wall pipe and primary extrusion production line thereof
08/2003
08/27/2003EP1237794B1 Apparatus for manufacturing twin-chambered containers
08/20/2003CN1436945A Pressure synthetic resin pipe
08/20/2003CN1118364C Rotary hollow body and producing method thereof
08/14/2003WO2003066303A1 Multi-layer plastic pipe produced by means of rotational casting
08/12/2003US6605171 Method for making hollow solid generated by rotation
08/06/2003CN1434759A Spiral pipe using waste plastic material and manufacturing apparatus thereof
07/2003
07/30/2003EP1115676B1 Method for producing hollow fibres
07/23/2003EP1163108B1 Method and device for producing a two-chamber tube
07/15/2003US6592786 Method and apparatus for lay flat control in an extruded film production line
07/09/2003EP1325191A2 Saturating composition and its use
07/09/2003EP0804699B1 Plastics pipe
07/09/2003CN1429091A Apparatus and process for making prosthetic suction sleeve
07/09/2003CN1113745C Method for continuous production of tubular bodies
07/09/2003CN1113596C Method for making water-saving underground infiltrating irrigation pipe
07/08/2003US6588456 Pressure-resistant hose using polyethylene fabrics
07/08/2003CA2168497C Method for manufacturing a kink-resistant fire hose
07/03/2003WO2003026864A3 Plural color component film laminate part and method of making same
07/03/2003US20030122284 Bladder and tire producing method
07/03/2003US20030122275 Method of creating a line made of plastic with a branch and mold for producing a line having a branch
07/02/2003CN1427768A Flexible tube resistant to stress cracking and impermeable to water vapour
07/02/2003CN1427763A Method for producing multilayer metal
07/02/2003CN1427701A Composite elastic material
07/02/2003CN1113080C Modified polyolefin composition and laminated structure using same
07/02/2003CN1113024C Tube with multiplayer head and method for making same
07/01/2003US6585924 Heat fusion fitting
06/2003
06/26/2003US20030115789 Pass-through fishing rod and method of manufacturing same
06/25/2003EP1321703A2 Plastics pipes
06/19/2003WO2003049932A1 The multi profile and manufacturing method, spiral composition resin pipe for manufacturing spiral composition resin pipe
06/19/2003US20030113495 Tubular member with continuous resin layer
06/19/2003US20030113494 Preform for making prosthetic suspension sleeve
06/19/2003US20030111773 Process for making prosthetic suspension sleeve
06/18/2003CN1111494C Bag tube
06/11/2003EP1317335A1 Method for producing a composite tube
06/11/2003CN1111181C Polyether/polyester type polyurethane material and process for preparing condom from it
06/05/2003US20030102302 Method for producing multilayer metal composite tubes
06/05/2003US20030101567 Wirelaying tool
06/04/2003EP0966390B1 Bag tube
06/04/2003CN1110418C Tyre tube and apparatus for producing same
06/03/2003US6571845 Low-section tire and mould and process for manufacturing a tire air tube
05/2003
05/28/2003CN1420973A Flexible pipe and method of mfg. same
05/27/2003US6568305 Method for the continuous production of tubular bodies
05/21/2003CN1419493A Method and device for producing a double-walled thermoplastic pipe with integral pipe bell
05/21/2003CN1108917C Manufacturing apparatus of composite pipe and manufacturing method thereof
05/20/2003US6565507 Flexible tube, and method for manufacturing same
05/15/2003WO2003039615A2 Porous polymeric prostheses and methods for making same
05/15/2003US20030091776 Tubular thermoinsulating device and processes for the manufacture thereof
05/15/2003CA2465897A1 Porous polymeric prostheses and methods for making same
05/14/2003EP1165205B1 Method and apparatus for forming melt-blown filter cartridges having melt-blown core elements, and the filter cartridges formed thereby
05/13/2003US6562426 Pipe liner bag
05/08/2003US20030086975 Method for making a porous Polymeric material
05/08/2003DE10158663C1 Production of branched plastic pipes comprises filling mold with plastic and then blow-molding to produce bores, bore in branch being produced by plug of plastic which is removed as main bore is blow molded
05/08/2003CA2711661A1 Apparatus and method for extrusion of thin-walled tubes
05/07/2003EP1308257A2 Bladder for curing tyres and method for producing tyres
05/07/2003CN1415888A Channel elbow with wearable liner and lining method thereof
05/07/2003CN1107586C Method for continuously making double wall tube with socket and equipment for implementing said method
05/02/2003EP1102943B1 Pipe fitting and method for the production thereof
05/02/2003EP1007583B1 Process of rheology modification of polymers
05/01/2003US20030082336 Woven composite fabric
05/01/2003US20030079791 Flexible tubular pipe and method of manufacturing same
04/2003
04/30/2003CN1414277A Screw type corrugated plastic pipe material and its manufacturing method
04/29/2003US6554325 Pipe fitting and method for the production thereof
04/23/2003EP1303391A1 Method and device for manufacturing insulated tube
04/23/2003EP1030789B1 A tyre and air tube, related manufacturing process
04/23/2003CN1411695A Labyrinth drip irrigation pipe (band), production method and equipment
04/22/2003USRE38087 Fuel hose and method of its production
04/22/2003US6552129 Reacting a poly(sulfonyl azide) (PSA) compound with a polymer by forming a first concentrate of the polymer in a diluent and PSA, then mixing that with a second polymer, heating to decompose PSA and couple polymer chains; no black specks
04/22/2003US6551543 Method and device for producing a two-chamber tube
04/16/2003EP1301333A1 Composite hollow body and method for making same
04/16/2003EP1140480B1 Method for the continuous production of tubular bodies
04/16/2003EP1138102B1 Method for producing a one-piece corrugated jacket-tube
04/16/2003CN1105743C Foamed UPVC plastic pipe and its preparing process
04/16/2003CN1105635C Method for mfg. of tubelike container
04/03/2003WO2003026864A2 Plural color component film laminate part and method of making same
04/03/2003WO2002051622A3 Method of reducing the wall thickness of a ptfe tube and product formed thereby
04/02/2003CN1407936A Twin-chambered container
03/2003
03/27/2003WO2003024685A1 Plastic pipe of triple layers using plastic salvage and its manufacturing method and apparatus
03/27/2003WO2002074523B1 Plant for production of flexible tubes made from plastic with moulding of the head on top of the skirt carried out by continuously moving tools
03/27/2003US20030056845 Flexible pipe including a vent passage and method of manufacturing same
03/26/2003CN1405421A Plastic hollow handrail tube
03/25/2003US6537484 Method for manufacturing a multi-layer plastic pipe
03/19/2003CN1103348C Polypropylene composition and its pipes
03/19/2003CN1103346C Process for producing foamed polyolefine plastic pipe
03/18/2003US6534141 Method of forming an improved support member for a fabric and film forming device
03/12/2003EP1123241B1 Tube with multilayer head and method and device for making same
03/12/2003CN1401693A Orange polyethylene plastic hose
03/11/2003US6530139 Wirelaying tool
03/05/2003EP1288552A2 Reinforced flexible hose, in particular a shower hose
03/05/2003EP1287973A1 Apparatus and process for manufacturing plastic-metal-plastic multilayered tubes
03/05/2003EP0818302B1 Method of manufacturing tire tube containing sealant
03/04/2003US6528136 Rheology modification of polymers prepared using metallocenes
02/2003
02/26/2003CN1399592A Sealant filling methods for sealant-containing tire and sealant-containing tire tube
02/26/2003CN1398917A High-voltage electric power casing and pipe of chlorinated polyvinyl chloride and their production process
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