Patents for B29L 23 - Tubular articles (4,866)
03/2007
03/21/2007CN1931563A Ribbed GRP rod making process and press
03/20/2007US7192548 Mold for injection molding of a flexible tube and injection molding method
03/14/2007EP1519827B1 Method and device for the production of tubular structures that are reinforced with a strengthening support
03/14/2007CN1304188C Air collapsible tube
03/14/2007CN1304187C Method and device for production of pipe from biaxially oriented thermoplastic material having integrated socket
03/13/2007CA2230124C A method of socketing a pipe
03/07/2007EP1759825A2 Elastic roll
03/07/2007EP1519825B1 Spiraling device
03/07/2007CN1923494A Manufacturing method of steel band reinforced plastics composite tube
03/07/2007CN1302910C Expansion pipe having expansion recess and equipment for manufacturing heat shrinkage pipe having said pipe
03/07/2007CN1302908C Molding apparatus with mold blocks having face adjustment
02/2007
02/28/2007CN1919919A High rush-resistant polyvinyl chloride pipe for drinking and preparation method thereof
02/21/2007EP1754918A2 Tether attachment to plastic coated metal tubing
02/21/2007CN1918220A Stock shape for machining and production process thereof
02/15/2007WO2007017690A1 A method of forming a rib-reinforced structure and a rib-reinforced structure itself
02/14/2007CN1912439A High temp oil gas conveying pipeline and its preparation method
02/13/2007US7174922 Composite strip windable to form a helical pipe and method therefor
02/08/2007WO2007014893A1 Process for moulding a portion of a hollow component and method of fastening it to a fuel tank
02/08/2007DE10240718B4 Verfahren und Vorrichtung zum Abziehen von Extrusionsprodukten Method and device for withdrawing extrusion products
02/07/2007EP1749640A2 Method of coupling polymeric tubing to polymeric coated metal tubing
02/07/2007CN1907682A Manufacture process and equipment for steel wire reinforced composite plastic pipe
02/07/2007CN1907676A Method of producing U-type pipe fitting and core thereof
01/2007
01/31/2007CN1297192C Method for making rod
01/30/2007US7169338 Foam-molded article and manufacturing method thereof
01/24/2007CN2860819Y Vacuum shaped box for multi-pipe plastic extrusion product line
01/24/2007CN1899802A Glass fiber reinforced plastic and polymer composite pipe and its preparing method
01/24/2007CN1296193C Extrusion mould for producing a cylindrical body made of plastic mass
01/23/2007CA2231623C An apparatus and method for adjusting a mandrel and a kernel while producing a plastic pipe
01/23/2007CA2219855C Flexible light pipe for side-lit applications
01/17/2007CN1896128A Fire-retarding thermal-shrinked indicated double pipe of radiant cross-linked and its preparation
01/17/2007CN1895870A Fast steam formation and former for plastic flexible pipe
01/16/2007US7163029 Pressurized fluid conduit
01/11/2007DE19911729B4 Verfahren und Vorrichtung zur Herstellung einer Zweikammertube Method and device for producing a two-chamber
01/10/2007CN2855716Y Demould mechanism for glass fiber reinforced plastic pipeline prodn. system
01/10/2007CN2855715Y Unlocking device for glass fiber reinforced plastic pipeline prodn. system
01/10/2007CN2855714Y Internal heating curing type system for mfg. glass fiber reinforced plastic pipeline
01/10/2007CN1891423A Pre-impregnated filament bundle and / or pre-impregnated article and method for manufacturing same
01/10/2007CN1294002C Production process and apparatus for ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve
01/09/2007CA2182940C Polyamide sausage casings having improved skinning characteristics
01/03/2007CN2853370Y Storage device of composite hose making machine
01/03/2007CN1887576A Spiral port welding technology for spiral pipeline
01/03/2007CN1887573A Making process of glass fiber reinforced composite polypropylene pine with strengthening layer for both cold and hot water
01/03/2007CN1293114C Composite foam plastic with improved water-resistance, long storage time and short demoulding time
01/03/2007CN1292892C Heat-sealable and shrinkable multi-layer polymeric film
01/03/2007CN1292885C Centrifugal shaping die and manufacturing method thereof, centrifugar shapes manufactured thereby
12/2006
12/20/2006CN1290688C A method and a device for connecting a plastic conduit and a plastic socket
12/19/2006CA2252932C Pressure tube of a plastic material
12/13/2006CN1876352A Seam-free PVC, PE, PVE-PE fluid control and construction method
12/06/2006CN1872529A Pipe made from copolymer of PVC/ acrylonitrile butadiene ¿C styrene, and preparation method
11/2006
11/30/2006US20060269642 Unit for production of tubular resin film
11/29/2006CN1871114A Extrusion molding apparatus for resin tube
11/29/2006CN1286630C One-step forming method for air gap-free vacuum soaking rubber stick or stick type product
11/23/2006WO2006123620A1 Fluororesin tube and method for producing the same
11/22/2006EP1724096A2 Apparatus for forming a polymeric container system for pressurized fluids
11/22/2006CN2838927Y Double-wall spiral tube producing equipment
11/22/2006CN2838921Y U-shape hollow pipe mould
11/22/2006CN2838920Y L-shape hollow pipe die
11/16/2006WO2006121130A1 Composite pipe
11/16/2006US20060257576 Composite pressure container or tubular body and composite intermediate
11/15/2006CN1861367A Equipment and process for producing PPR pipe material by using novel core and vacuum chilling cabin
11/15/2006CN1284661C Manufacturing method plastic lining composite steel pipe and its manufacturing equipment
11/14/2006US7134308 Extrusion press tool for producing a cylindrical body consisting of a plastic mass
11/08/2006CN1857899A Process for producing glass fiber reinforced plastic foam jacketed pipe
11/07/2006CA2227943C Process for the production of packaging tubes
10/2006
10/31/2006US7128862 Biaxially oriented multilayer polymer tube for medical devices
10/26/2006US20060240206 Synthetic resin fusion body
10/26/2006US20060240137 Unit and process for the production of tubular resin film
10/25/2006EP1130303B1 Composite high-pressure pipe
10/25/2006CN2830047Y Appts for mfg improved spiral corrugated reinforced plass tubes
10/25/2006CN2830038Y Plastic moulding pressure tube mould
10/25/2006CN1850496A Continuous axial fiber arrangement method and its equipment
10/25/2006CN1850495A PVC twisted pipe production process
10/24/2006US7124978 Spiraling device
10/24/2006CA2273246C Thermoplastic composite products and method of lining pipework
10/19/2006WO2006109559A1 Resin injection molding apparatus and cylindrical resin part
10/18/2006CN2827691Y Vertical shaping extrusion set of thin-wall plastic pipe
10/18/2006CN1846970A Production apparatus of composite heat insulating pipe with heating conductor
10/18/2006CN1280078C Mould for forming the headpiece of deformable tubular plastic containers
10/12/2006WO2006107196A1 Apparatus and method for manufacturing a fiber-reinforced tube
10/11/2006EP1710068A1 Manufacture of tubes in flexible materials by prior injection of the tube body with labelling in the mould
10/11/2006CN2825161Y Steel wire reinforced high polymer tube forming device
10/11/2006CN1843745A Method for preparing thermoplastic elastomer rubber tube of ethylene-propylene rubber/polypropylene
10/11/2006CN1843741A Process for manufacturing tracheal cannula
10/11/2006CN1843740A Radius changeable mould for production of glass-reinforced plastic pipe
10/10/2006US7118369 Corrugated pipe plant
10/10/2006CA2225162C Oriented medical tubing
10/05/2006WO2006104083A1 Method of injection-molding hollow molded article, mold for injection molding, and boot made of resin
10/04/2006EP1286813B1 Method for manufacturing curved thermoplastic tubes
10/04/2006CN1842407A Extrusion molding apparatus for resin multi-layer tube
10/03/2006US7114942 Apparatus for producing synthetic resin film
09/2006
09/27/2006CN1839029A Cylindrical member made from fluororesin
09/27/2006CN1276829C Method for controlling the position of a foil strip edges
09/20/2006CN2818123Y Plastic lining device of medium-frequency heating steel pipe
09/14/2006WO2006095546A1 Structure and method for bonding two members, gas container and method for manufacturing such gas container
09/13/2006CN2815664Y Module moving device for plastic corrugate pipe shaping mchine
09/13/2006CN2815662Y Plastic pipeline metal mould
09/12/2006US7104777 Pipe mold with compensation for pipe shrinkage
09/06/2006EP1698446A1 Method for manufacturing tubular article
08/2006
08/30/2006EP1695811A2 Method for taking off extrusion products, in particular for aligning the caterpillar take-off unit with the extrusion axis
08/30/2006CN1826214A Molding method, mold for molding, molded product, and molding machine
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