| Patents for B29L 23 - Tubular articles (4,866) |
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| 05/30/2012 | CN101648422B Method for preparing polyether-ether-ketone (PEEK) pipe |
| 05/30/2012 | CN101631664B Polyvinylidene chloride resin wrap film and process for producing the same |
| 05/30/2012 | CN101372151B Plastic-steel winding pipe tape splicing method |
| 05/23/2012 | CN202225412U Negative pressure molding device for plastic shower pipe |
| 05/23/2012 | CN202225387U Improved structure of hard-port pipe injection mold |
| 05/23/2012 | CN202225344U De-molding equipment for large-aperture irregularly-shaped rubber tube |
| 05/23/2012 | CN102463665A 双色管挤塑机机头 Color tube extruder head |
| 05/23/2012 | CN102463664A 缓冲流道菱形芯模塑料硬管挤出机机头 Buffer runner diamond core die hard plastic pipe extruder head |
| 05/23/2012 | CN102463648A 一种用于制作管道内衬的双门浇注机 A method for the production of pipes lined with two-door casting machine |
| 05/23/2012 | CN101929675B Premixed type combustion system for heat treatment of outer surface of plastic pipe and gas nozzle |
| 05/23/2012 | CN101837631B Polyvinyl chloride pipe co-extrusion mould |
| 05/23/2012 | CN101708657B Production method of composite material by multilayer diagonal winding and production line |
| 05/23/2012 | CN101537706B Expanding device for a cold-shrinkage silicone rubber tube |
| 05/16/2012 | EP2452802A1 Corrugator device with mold release element |
| 05/16/2012 | CN102452162A Non-toxic tube processing method |
| 05/09/2012 | CN202213199U Expansion device and heat shrink tube expansion system comprising same |
| 05/09/2012 | CN202213195U Movable pipe winding equipment |
| 05/09/2012 | CN202213168U Electromagnetic heating device for special injection molding machine for pipeline |
| 05/09/2012 | CN202213126U Electromagnetic shielding device for oil cylinder of special injection molding device for pipeline |
| 05/09/2012 | CN102441991A Spiral duct heat sealing machine |
| 05/09/2012 | CN102441976A Plastic pipe extrusion molding apparatus |
| 05/03/2012 | WO2012055059A1 Method for producing a two-component tube blank, injection mould therefor and tube blank produced thereby |
| 05/02/2012 | CN102431146A Duct molding method and duct |
| 05/02/2012 | CN102431139A High density polyethylene outer protective pipe molding device |
| 04/25/2012 | CN202200521U 一种特殊连接结构的牵引管 A special traction pipe connecting structure |
| 04/19/2012 | WO2012049325A1 Method and device for welding pipe sections made of plastics |
| 04/18/2012 | CN202192751U 原料自动添加装置 Raw device automatically added |
| 04/18/2012 | CN202192711U 双圆弧三通管件模具脱模机构 Double arc tee fitting mold ejection mechanism |
| 04/17/2012 | US8158242 Stock shape for machining and production process thereof |
| 04/17/2012 | US8158240 Stock shape for machining |
| 04/04/2012 | EP2436502A2 Method for producing a flexible suction hose and the manufactured suction hose |
| 04/04/2012 | EP2435331A1 Polyfoil tube made from semi-rigid or rigid foil materials |
| 04/04/2012 | CN202180587U 高速cpvc管材挤出模具 High-speed cpvc pipe extrusion die |
| 04/04/2012 | CN202180586U 多出数pvc给水管材挤出模具 More number of pvc water pipe extrusion dies |
| 03/28/2012 | CN202174731U 一种管材真空定型机 Of a pipe vacuum forming machine |
| 03/28/2012 | CN202174716U 扩口管件注射模具抽芯机构 Flared fittings injection mold core pulling mechanism |
| 03/28/2012 | CN202174695U 一种发动机进气橡胶管的成型装置 An engine air intake device forming the rubber tube |
| 03/28/2012 | CN102390118A Production device and production method of three-wall corrugated pipe |
| 03/21/2012 | CN102380945A Outlet pipe fixed length control device for extruder and control method thereof |
| 03/14/2012 | CN202163016U 钢带增强塑料复合波纹管的生产设备 Steel reinforced plastic composite production equipment Bellows |
| 03/14/2012 | CN102371658A Three-time compulsive core-pulling mechanism of plastic pipe mold flaring |
| 03/14/2012 | CN101277808B Process for producing resin tube, resin tube, and apparatus for manufacturing resin tube |
| 03/07/2012 | CN202156017U 一种组合式的双壁波纹管的成型模块 A combined double-wall corrugated pipe forming module |
| 03/07/2012 | CN202156016U 一种制造编织钢丝增强复合塑料管材的装置 A device manufacturing woven wire reinforced composite plastic pipe |
| 03/07/2012 | CN102366983A Rubber bellows model lamination manufacturing device and its manufacturing method |
| 03/07/2012 | CN101698354B Double-wire head winding method for resin matrix composite pipe |
| 02/29/2012 | CN101648438B Automatic rod-back machine of pipe body |
| 02/29/2012 | CN101342787B Compound material special tubing molding method |
| 02/22/2012 | EP1465763B1 Method of forming a hose |
| 02/22/2012 | CN202147404U 一种缠绕波纹管的生产装置 One kind of wound bellows production unit |
| 02/22/2012 | CN202147384U 一种高寿命挤出机头及包括该挤出机头的自动挤出系统 A high-life, including the extrusion die and extrusion die extrusion system automatically |
| 02/22/2012 | CN202147383U Pe厚壁管材 Pe thick-walled pipes |
| 02/22/2012 | CN202147377U 经纬双向增强复合塑料管生产装置 Jingwei bi-reinforced composite plastic pipe production unit |
| 02/22/2012 | CN202147375U 一种生产螺旋缠绕式热塑性管的设备 A spiral-wound thermoplastic tube equipment |
| 02/22/2012 | CN202147339U 一种用于制造异形胶管的硫化模具 A method for producing a shaped hose vulcanizing mold |
| 02/22/2012 | CN202147335U 一种弧形弯管抽芯装置 Pulling one kind of arc bending device |
| 02/22/2012 | CN102358010A Rotary automatic ejecting mechanism for push rod of plastic thread pipe fitting |
| 02/22/2012 | CN102357957A Rubber special pipe processing technique |
| 02/22/2012 | CN102357955A Rubber pipe molding mold and rubber pipe molding method |
| 02/21/2012 | CA2496395C Tube-joining apparatus and tube-joining method |
| 02/15/2012 | EP2418063A1 Hollow body manufacturing method |
| 02/15/2012 | CN202144099U 一种螺旋列板形式涡激振动抑制装置的成型模具系统 A helical strakes in the form of vortex-induced vibration suppression apparatus mold system |
| 02/15/2012 | CN1988997B 合成树脂部件的加热夹具和热熔接装置以及合成树脂部件的热熔接方法 The method of heat-sealing synthetic resin member is heated jig and the heat welding apparatus and a synthetic resin member |
| 02/15/2012 | CN102350751A Forming die of special-shaped flexible bellows artificial muscle |
| 02/14/2012 | US8114335 Partial depth-wise cure of a tire inner liner |
| 02/08/2012 | CN202137955U 环向轴向连续纤维同时布置装置 Central to the axial arrangement means continuous fibers simultaneously |
| 02/08/2012 | CN202137925U 用于制造多层复合管的连续多层注塑机射料机构 For the manufacture of multi-layer composite pipes continuous multi-shot injection molding machine feeding mechanism |
| 02/08/2012 | CN101352909B 滴灌带成型轮 Drip tape forming wheel |
| 02/02/2012 | WO2012014513A1 Device for manufacturing profile corrugated tube, method for manufacturing profile corrugated tube and profile corrugated tube |
| 02/01/2012 | CN202129968U 一种用于塑料软管挤出机的软管牵引装置 A plastic hose hose extruder traction device |
| 02/01/2012 | CN202129966U 汽车冷却系统湍流器挤出生产线旋转机头装置 Automotive Cooling System turbulator extrusion line rotary head means |
| 02/01/2012 | CN202129933U 一种生产塑料管件的可变模具 A process for producing a variable mold plastic pipe fittings |
| 01/25/2012 | CN102333630A Hollow body manufacturing method |
| 01/25/2012 | CN102328383A Injection mold for intake hose and intake hose production method using the same |
| 01/25/2012 | CN101708654B Improved type PE pipe texturing machine |
| 01/19/2012 | WO2012008933A1 (polypropylene) plastic pipe welding machine with special safety ring and a welding adaptor with special safety ring |
| 01/18/2012 | CN202114911U Sizing sleeve for outer diameter of steel wire mesh framework plastic composite pipe |
| 01/18/2012 | CN202114900U Linkage riding wheel mechanism of plastic pipe |
| 01/18/2012 | CN202114847U Adjustable guiding device for polymer thin layer |
| 01/18/2012 | CN102320139A Forming process of curved composite tube |
| 01/11/2012 | CN202106554U Reinforcing device for winding scraping plate of composite material winding machine |
| 01/11/2012 | CN202106553U Winding pressing roller strengthening device for composite material winding machine |
| 01/11/2012 | CN202106531U Die for machining PE (pentaerythritol) tube with large diameter |
| 01/11/2012 | CN202106491U Compound die for rubber corrugated tubes used on rolling stock |
| 01/11/2012 | CN102317062A Automobile fuel in-tank tube and method of manufacturing same |
| 01/11/2012 | CN102317054A Method for bonding cylindrical members, method for manufacturing composite cylindrical body, method for molding fiber-reinforced resin molded object and molded object |
| 01/11/2012 | CN102317053A Device for heat bonding plastic pipes |
| 01/11/2012 | CN102310546A Vacuum fixing unit in one-for-eight plastic pipe production equipment |
| 01/04/2012 | CN202097970U Vacuum sizing case |
| 01/04/2012 | CN202097916U Three-point guide mechanism of large-scale pipe fitting mold |
| 01/04/2012 | CN202097877U Steam vulcanization pipe for automobile brake hoses |
| 01/04/2012 | CN102303406A Mobile pipe winding and molding equipment |
| 01/04/2012 | CN101402750B Air feeder rubber member between engine oil cleaner and intake manifold of automobile, and manufacturing process thereof |
| 01/03/2012 | US8088240 Assembly process and plastic composite tube |
| 12/28/2011 | CN202088436U Screw special for polyvinyl chloride (PVC) cold bending tube extruder |
| 12/28/2011 | CN202088401U 多孔塑管模具 Perforated plastic pipe mold |
| 12/28/2011 | CN202088366U 浇注型聚氨酯输料管内管的成型模具 Casting polyurethane inner tube conveying pipe mold |
| 12/28/2011 | CN101724230B 一种用于制备管材的聚酯的组合物及其制备方法和应用 Composition and preparation methods for the preparation and application of a polyester pipe |
| 12/28/2011 | CN101376440B 包装软管 Packaging hose |
| 12/22/2011 | WO2011158517A1 Method for producing perforated hollow tube and mold form for producing perforated hollow tube |