| Patents for B29L 23 - Tubular articles (4,866) |
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| 01/14/2009 | CN100450740C Producing method for putter handles |
| 01/07/2009 | EP1316401B1 Method for manufacturing elastic cylindrical body |
| 01/07/2009 | CN101337431A Method for producing cone glass reinforced plastic pipe |
| 01/07/2009 | CN100448650C Ribbed GRP rod making process and press |
| 01/06/2009 | CA2348600C Tubing for lining pipes and method for producing the same |
| 12/31/2008 | CN101332667A Long glass fiber-reinforced plastics pipe extruder head |
| 12/31/2008 | CN100446965C Continuous axial fiber arrangement method and its equipment |
| 12/31/2008 | CN100446959C Water immersion type plastic pipe sizing device |
| 12/30/2008 | CA2372777C Method and apparatus for the manufacture of pipes of thermoplastics with transverse profile features |
| 12/25/2008 | US20080319536 Method for introducing an internal helical formation into a flexible tubular material |
| 12/24/2008 | CN201169026Y Mould core for producing hose by soft core method |
| 12/24/2008 | CN101327647A Method for welding HDPE large-caliber hollow-wall winding tube production line |
| 12/24/2008 | CN101327645A Device for expanding thermal shrinkage tube |
| 12/23/2008 | US7468116 Removing releasable inner lining layer from within conduit by placing conduit, including inner layer around elongate shaft having a longitudinal slot, forming an adequate seal toward first end of shaft, applying suction to slot, initiating release of inner layer; for breathing conduits, medical equipment |
| 12/17/2008 | CN101323684A High finish pipes and production method thereof |
| 12/17/2008 | CN100443288C Adhesive bonding technique between layers of rubber hose |
| 12/16/2008 | US7465420 Film forming method |
| 12/10/2008 | EP2000287A1 Resin pipe welding device |
| 12/10/2008 | CN201161450Y Glass fibre reinforced plastics cable protection pipe mould stripper |
| 12/10/2008 | CN101318164A Process and equipment for manufacturing spray water belt |
| 12/09/2008 | CA2383124C Method of making a spirally-wound tube |
| 12/03/2008 | CN201158148Y Electric heat sealing power source |
| 12/03/2008 | CN201158135Y Connection device of traction machine slab rubber retaining plate on plastic tube extrusion product line |
| 12/03/2008 | CN101314256A Method for producing duct |
| 12/03/2008 | CN101314254A Extrusion mould head for plastic tube |
| 12/02/2008 | US7459118 Heated medium supplying method and structure for secondary molding of resin molded component |
| 11/27/2008 | WO2008143035A1 Fluororesin tube and process for producing the same |
| 11/26/2008 | CN201154546Y Electric fuse joint |
| 11/26/2008 | CN201154542Y High-pressure turbulent water ring |
| 11/26/2008 | CN201154541Y Indirect heating apparatus for heat conducting oil |
| 11/20/2008 | US20080286575 Multi-layered plastic body for medical applications |
| 11/19/2008 | EP1992568A1 Composite spout and injection molding apparatus for molding composite spout |
| 11/19/2008 | CN101306576A One-shot forming apparatus for spiral type double-wall corrugated pipe |
| 11/19/2008 | CN100434481C Flame-proof bactericidal plant fiber powder/ high polymer plastic composite hollow straight tube and its preparation method |
| 11/19/2008 | CN100434260C Tube joining device |
| 11/19/2008 | CN100434258C Method for flange bonding |
| 11/19/2008 | CN100434257C Extrusion molding apparatus for resin multi-layer tube |
| 11/18/2008 | CA2401042C Improved container and method and apparatus for forming the container |
| 11/18/2008 | CA2360846C In situ low pressure gasket molding and method |
| 11/18/2008 | CA2171666C Improved cured composite and process therefor |
| 11/12/2008 | CN201147991Y Big length to diameter ratio composite material equal diameter pipe fitting mould emptier |
| 11/12/2008 | CN101301791A Method for shaping braided sleeving |
| 11/12/2008 | CN101301786A Immersion type plastic pipe sizing device |
| 11/12/2008 | CN101301777A Sulfuration method of brake hose with water |
| 11/11/2008 | US7449080 Corrugated hose assembly |
| 11/06/2008 | US20080272523 Manufacturing apparatus and manufacturing method for tubular resin film |
| 11/05/2008 | EP1519799B1 Extrusion press tool for producing a cylindrical body consisting of a plastic mass |
| 11/05/2008 | CN201143770Y Mold for processing plastic flared tube |
| 11/05/2008 | CN201143769Y Device for welding inner wall of connecting point of two steel plastic drainpipes |
| 11/05/2008 | CN101298190A Mould mechanism capable of detecting extrusion traction on-line and extruder thereof |
| 11/05/2008 | CN101298175A Method for making heavy caliber plastic flared tube member |
| 11/05/2008 | CN100430201C Process for producing polymer foam and polymer foam |
| 11/04/2008 | US7445443 Turning bar draw-off device for a tubular film extrusion installation |
| 10/29/2008 | CN201140516Y Vertical manipulator traction machine |
| 10/29/2008 | CN201140515Y Single-screw extruder barrel molding equipment for ultrahigh molecular weight polyethylene tube |
| 10/29/2008 | CN101293396A Precooling apparatus of plastic tube product line |
| 10/29/2008 | CN101293395A Plastic tube product line |
| 10/29/2008 | CN101293391A PE thin walled pipe member injection molding mold |
| 10/22/2008 | CN201136289Y Butt-welding through flow machine for plastic pipes |
| 10/22/2008 | CN100427295C Manufacturing technology of hgih pressure bearing glass fiber reinforced plastic oil transfer pipeline |
| 10/16/2008 | WO2008123052A1 Resin molding device |
| 10/15/2008 | CN101287581A Method of forming head part of closed type tube, process for producing closed type tube, and closed type tube container |
| 10/15/2008 | CN101284422A Glass fibre reinforced vertical pultruded tubular product device and method |
| 10/14/2008 | US7435466 Polytetrafluoroethylene-based-resin tube and production method thereof |
| 10/09/2008 | WO2008119491A2 Method for producing fibre-reinforced hollow bodies and products formed using said method |
| 10/08/2008 | CN101279507A Axial roving distributor for a machine suitable to produce tubular elements made of composite material |
| 10/01/2008 | CN201124566Y Pipeline hot melting junctor |
| 10/01/2008 | CN201124547Y Core-pulling mechanism for internal arc mould |
| 10/01/2008 | CN101277808A Process for producing resin tube, resin tube, and apparatus for manufacturing resin tube |
| 09/25/2008 | WO2008114731A1 Resin composition used for heat shrinkable member, heat shrinkable tube composed of the resin composition, and member covered with the tube |
| 09/24/2008 | CN101269546A Composite material pultrusion machine |
| 09/24/2008 | CN101269545A Pultrusion construction of composite material pultrusion machine and the pultrusion machine |
| 09/24/2008 | CN101269544A Draughting mechanism capable of preventing slip and pultrusion machine |
| 09/24/2008 | CN101269540A Extrusion frame head for core rod rotating long glass fiber-reinforced plastics tube |
| 09/18/2008 | WO2008111618A1 Polyvinylidene chloride resin wrap film and process for producing the same |
| 09/17/2008 | CN101267928A Apparatus for producing resin tube, method for producing resin tube and resin tube |
| 09/17/2008 | CN101264669A Composite material double-path pulling extruding machine |
| 09/17/2008 | CN101264668A Traction mechanism for composite material pulling extruding machine and pulling extruding machine thereof |
| 09/17/2008 | CN100419321C High temp oil gas conveying pipeline and its preparation method |
| 09/17/2008 | CN100418743C Corrugated pipe making apparatus |
| 09/16/2008 | US7425291 Apparatus and method for extrusion of thin-walled tubes |
| 09/10/2008 | CN201111464Y Mould core component of plastics pipeline shaping machine |
| 09/10/2008 | CN201111463Y Mobile type foundation of plastics pipeline shaping machine |
| 09/10/2008 | CN101259748A Method for preparing large-diameter pipe from super-high molecular weight polyethylene material |
| 09/10/2008 | CN100417513C Molding die for ribbed pipe |
| 09/04/2008 | US20080213421 Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereof |
| 09/03/2008 | CN101254651A Production method of compression moulding forming polyolefin pipe fitting and equipment |
| 09/03/2008 | CN101254648A Container welding method |
| 09/02/2008 | CA2404219C Method and continuous production line of plastic tubes with bi-axial drawing, and resulting plastic tube |
| 08/28/2008 | DE112006002709T5 Verfahren zum Bilden eines Kopfabschnitts einer Tube des geschlossenen Typs, Verfahren zum Herstellen eines röhrenförmigen Behälters des geschlossenen Typs und röhrenförmiger Behälter des geschlossenen Typs A method of forming a head portion of a tube of the closed type, method of producing a tubular container of the closed type and of tubular containers of the closed type |
| 08/27/2008 | CN101249722A Fusion process for conduit |
| 08/20/2008 | CN101244627A Novel tubing reducing mold |
| 08/20/2008 | CN100411858C Method for preparing polyunsymfluorethylene piezoelectric tubes |
| 08/19/2008 | CA2361465C Method for producing a one-piece corrugated jacket-tube |
| 08/14/2008 | US20080193583 Extrusion Molding Apparatus for Resin Multi-Layer Tube |
| 08/13/2008 | CN201098983Y Injection formation negative mould for pipe joint |
| 08/13/2008 | CN201098982Y Injection formation negative mould for processing pipe joint |
| 08/13/2008 | CN101239502A Method for preparing polythene glass fibre resin-immersing composite pipe |
| 08/13/2008 | CN100410072C Multilayer blown film and process for production thereof |
| 08/06/2008 | CN101234530A Manufacturing technology for carbon tube of bamboo composite material wind-driven generator blade |