| Patents for B29L 23 - Tubular articles (4,866) |
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| 08/06/2008 | CN100408305C Double-walled spiral pipe production apparatus and production method thereof |
| 08/06/2008 | CN100408304C Method for preparing thermoplastic elastomer rubber tube of ethylene-propylene rubber/polypropylene |
| 08/06/2008 | CN100408297C Method for manufacturing silicon rubber tube with built-in steel wire |
| 07/30/2008 | CN201092131Y Device for making four-layer composite metal reinforced polyethylene pipe |
| 07/30/2008 | CN101232986A Process for moulding a portion of a hollow component and method of fastening it to a fuel tank |
| 07/30/2008 | CN100406234C Pipe molding apparatus with mold tunnel air turbulence |
| 07/30/2008 | CN100406224C Process for manufacturing tracheal cannula |
| 07/23/2008 | CN201089220Y High-voltage polyolefin plastic electric melting pipe fittings |
| 07/23/2008 | CN101224630A Connection sealing device for cooling case-hardening vacuum box on pipe production line |
| 07/23/2008 | CN101224629A Rotation tractor for plastic pipe production line |
| 07/23/2008 | CN100404940C Composite pipe |
| 07/22/2008 | US7402216 Method and device for the production of tubular structures that are reinforced with a strengthening support |
| 07/22/2008 | US7401993 Pipe member and manufacturing method of the same |
| 07/16/2008 | CN100402269C Process for producing glass fiber reinforced plastic foam jacketed pipe |
| 07/09/2008 | EP1492657A4 Laminated sheet for liner applications |
| 07/09/2008 | CN201082575Y Fiber pipe mold |
| 07/09/2008 | CN101214729A Method for preparing composite material tube with bamboo joint structure |
| 07/08/2008 | US7396221 Mould for forming the headpiece of deformable tubular plastic containers |
| 07/08/2008 | CA2266531C Method and apparatus for the manufacturing of paint rollers |
| 07/02/2008 | CN201080010Y Device for manufacturing steel-plastic composite pressure pipe |
| 07/02/2008 | CN100398293C Ethene/acrylic ester rubber hose preparation method |
| 06/25/2008 | CN201077136Y Polyurethane metal resinous tube pressure-casting die |
| 06/24/2008 | US7390375 Method and a device for connecting a plastic conduit and a plastic socket |
| 06/18/2008 | CN201073819Y Two-machine paralleling device for producing heavy-caliber plastic pipes |
| 06/11/2008 | CN101195274A Adhesive coating device and method for manufacturing heat-shrinkable pipe by the device |
| 06/11/2008 | CN100393795C High rush-resistant polyvinyl chloride pipe for drinking and preparation method thereof |
| 06/04/2008 | EP1497103A4 Composite strip windable to form a helical pipe and method thereof |
| 06/04/2008 | CN101190563A Device for producing four layers composition metal reinforced polythene tube |
| 06/03/2008 | US7381454 Tubular product |
| 05/29/2008 | DE10344333B4 Anschlusselemente und Verfahren zur Herstellung von Anschlusselementen mittels Gasinjektionstechnik Connection elements and methods for the production of connecting elements by means of gas injection technology |
| 05/28/2008 | CN100389700C Pipe member and manufacturing method of the same |
| 05/21/2008 | CN201061911Y Glass fiber reinforced plastic winding carriage |
| 05/21/2008 | CN201061909Y Double-layer plastic pipe fitting extrusion moulding machine |
| 05/21/2008 | CN101182894A Polyethylene foam rise thermal insulation delivery pipe and production process thereof |
| 05/20/2008 | US7374802 Multi-layered plastic body for medical applications |
| 05/14/2008 | CN101180583A Fluororesin tube and method for producing the same |
| 05/14/2008 | CN100387646C Fire-retarding thermal-shrinked indicated double pipe of radiant cross-linked and its preparation method |
| 05/13/2008 | US7371305 Tube connecting apparatus and tube connecting method |
| 05/07/2008 | CN101173096A Method for producing polyimide seamless tubular shaped film |
| 04/30/2008 | CN201052655Y Glass fiber reinforced plastic pipeline stripper |
| 04/30/2008 | CN201052654Y Special-purpose modified workbench for glass fiber reinforced plastic pipeline forming device |
| 04/30/2008 | CN101168287A Chlorinated polyvinyl chloride DN400 tee junction pipe fitting once injection moulding technique and device thereof |
| 04/30/2008 | CN101168286A Chlorinated polyvinyl chloride DN400 elbow pipe fitting once injection moulding technique and device thereof |
| 04/30/2008 | CN101168285A Chlorinated polyvinyl chloride DN400 conduction through pipe fitting once injection moulding technique and device thereof |
| 04/30/2008 | CN100384613C Hollow product made by thermalplastic resin and its producing method and apparatus |
| 04/24/2008 | WO2008046938A1 Method and means for producing moulded pipes with a microcellular cranial structure |
| 04/23/2008 | CN201049511Y Associated facilities for manufacturing steel mesh enhanced plastic composite pipe |
| 04/17/2008 | WO2008044643A1 Polyimide tube, method for production thereof, method for production of polyimide varnish, and fixing belt |
| 04/16/2008 | CN201046603Y Drawing-squeezing fiber reinforcement pipes forming machine |
| 04/09/2008 | CN100379544C Method for manufacturing double- wall corrugated tube |
| 04/03/2008 | WO2008039076A1 System and method for the production of composite tubular members and a tubular member made thereof |
| 03/27/2008 | WO2008035484A1 Process, and apparatus, for producing flexible hose with tube disposed thereinside |
| 03/26/2008 | CN101148524A Heat resistance reinforced polyethylene pipe and its preparation method |
| 03/19/2008 | CN201036913Y Plastic tube forming machine with internal air cooling device |
| 03/19/2008 | CN101145017A Base tube prepared from modified polyimide film and its preparation method |
| 03/12/2008 | CN101138886A Thin wall dripping strip experimentation part fast-shaping method |
| 03/06/2008 | WO2007148301A3 Apparatus and a method for fabricating a fuselage section |
| 03/05/2008 | CN201030638Y Plastic wiring groove pipe die holder having eight heads |
| 03/05/2008 | CN101134827A Composite modified superhigh molecular polyethylene material and method for making mining pipes by employing the same |
| 02/27/2008 | CN201026665Y Shaping mold for plastics expansion corrugated pipe |
| 02/27/2008 | CN100371158C Making method of flexible PVC hose |
| 02/20/2008 | CN101125453A Anti-dust pressurized processing method for sebific duct |
| 02/14/2008 | US20080038517 Stock Shape For Machining And Production Process Thereof |
| 02/13/2008 | EP1887439A1 Fluororesin tube and method for producing the same |
| 02/12/2008 | CA2369116C Apparatus for the production of tubes with a transversely profiled wall |
| 02/06/2008 | CN201015903Y Mold for producing fiber pipes with fastened pole on the inner wall or trough on the surface |
| 02/06/2008 | CN101117020A Steel lining plastic pipe low-temperature quick-freezing liner tube composite technique |
| 02/06/2008 | CN101117017A Ultrahigh molecular weight polyethylene tube single screw extruder barrel forming method and the forming device thereof |
| 02/06/2008 | CN100366417C Method and apparatus for hauling off extrusion products, in particular for aligning the caterpillar take-off device in relation to the extrusion axis |
| 01/30/2008 | CN101112792A PVC-M pipe hot melting and connecting method |
| 01/30/2008 | CN100364758C Connect method of heat-shrinkable sleeve |
| 01/30/2008 | CN100364751C Co-extrusion tech. for thermal contraction double-wall pipe |
| 01/29/2008 | CA2184868C Pvc-free multilayer tube for medical purposes, process for the production thereof and use |
| 01/23/2008 | CN201009432Y Plastics ripple flat tube molding device |
| 01/23/2008 | CN201009431Y Equipment for producing compression moulding forming polyolefin pipe fitting |
| 01/23/2008 | CN201009426Y Manufacture equipment of plastic rubber sheet material seaming join by fusion to be tubulous |
| 01/23/2008 | CN201009421Y Water immersion type plastics tube sizing device |
| 01/23/2008 | CN201009418Y Mold special for cross-linked polyethylene tube |
| 01/23/2008 | CN100363171C Method for manufacturing large-diameter wearproof anticorrosive composite pipe of glass fiber reinforced plastics |
| 01/17/2008 | US20080011413 Conduit and method of forming |
| 01/17/2008 | DE60127952T2 Faltenbalg und verfahren zur herstellung Bellows and methods for preparing |
| 01/16/2008 | CN201006628Y Mold for manufacturing crosslinked foam raising pipe or bar material |
| 01/16/2008 | CN101107115A Mandrel and apparatus and process for resin film production with mandrel |
| 01/16/2008 | CN101104310A Mould cover component for plastic pipeline forming machine |
| 01/16/2008 | CN101104295A Module assembling mechanism for plastic pipeline forming machine |
| 01/16/2008 | CN100361805C Intermediate frequency heating pipe plastic liner device |
| 01/09/2008 | CN201002336Y Plastic pipe enwinding production vehicle |
| 01/09/2008 | CN201002335Y Water immersion type plastic pipeline sizing device |
| 01/03/2008 | WO2008001827A1 Process for producing polyolefin resin film |
| 01/02/2008 | EP1872923A1 Method for manufacturing elastic cylindrical body, method for manufacturing elastic roll, elastic cylindrical body, and elastic roll |
| 01/02/2008 | CN200998915Y Mining explosion-proof polyethylene PE pipe hot-melting butt welding machine |
| 01/02/2008 | CN101098776A Circular resin-molded product having circular center hole and method and apparatus for molding the same |
| 12/27/2007 | WO2007148301A2 Apparatus and a method for fabricating a fuselage section |
| 12/26/2007 | CN200995474Y Spiral winder |
| 12/26/2007 | CN101092060A Adapter for clamps, particularly for welding plastic pipes |
| 12/26/2007 | CN100357086C Production of PE piping materials with thick wall |
| 12/26/2007 | CN100357080C Improved container and method and apparatus for forming the container |
| 12/19/2007 | EP1867359A2 Tube connecting apparatus |
| 12/19/2007 | CN101088740A No-cutting production process of wound GRP pipe |
| 12/12/2007 | CN100354107C Manufacture of metal reinforced plastic spiral ripple pipe |