| Patents for B29L 23 - Tubular articles (4,866) |
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| 05/18/2011 | CN102059799A Production method for multilayer composite plastic pipes and production line thereof |
| 05/18/2011 | CN102059790A Tubular member extrusion method and tubular member extrusion apparatus |
| 05/18/2011 | CN102059788A Method for processing multiple layers of thermal shrinkable tubes |
| 05/18/2011 | CN102059787A Method for machining heat-shrinkable tubes |
| 05/18/2011 | CN102059786A Method for manufacturing composite water drain pipe |
| 05/18/2011 | CN102059782A Flaring demolding mechanism for flaring pipe fitting |
| 05/18/2011 | CN101579921B Auxiliary expanding equipment |
| 05/12/2011 | WO2011055779A1 Cylindrical structure and method for manufacturing same |
| 05/12/2011 | WO2011055778A1 Cylindrical structure and method of production thereof |
| 05/11/2011 | CN201824561U Spiral supporting and lifting type welding jig for buried polyethylene drainage pipeline |
| 05/11/2011 | CN201824557U Stretch forming device for precise small-diameter plastic pipe |
| 05/11/2011 | CN201824556U Glass steel pipeline winding machine trolley device |
| 05/11/2011 | CN201824551U Adjustable precooling device for precooled tube blank |
| 05/11/2011 | CN102049850A Triple crosshead for plastic pipe |
| 05/11/2011 | CN102049849A Staggered branching structure of bracket plate for plastic extrusion tubing mold |
| 05/10/2011 | US7939147 Open-ended tube having walls of heat-sealable multi-layer polymeric film comprising an outer shrinkable substrate layer and an inner heat-sealable layer, wherein substrate layer has degree of shrinkage in longitudinal dimension of 0-50% and in transverse dimension of 5-70%; for ovenable meals |
| 05/04/2011 | CN201816200U Steel plastic composite tube former |
| 05/04/2011 | CN201816194U Straight rotating linkage core-pulling mechanism of injection mould for elbow products |
| 05/04/2011 | CN201816173U Die of rubber tube |
| 05/04/2011 | CN101551045B Conduit |
| 04/27/2011 | EP1640142B1 Tube clamp device and tube connection device |
| 04/27/2011 | CN201808219U Hot melting machine for PP (Propene Polymer) plug of roll |
| 04/27/2011 | CN201808205U Pipe traction apparatus |
| 04/27/2011 | CN102029714A Manufacturing method of glass fiber reinforced plastics pipeline with lining containing steel wire gauze |
| 04/27/2011 | CN102029713A Heat-shrinkable tube expansion heating box |
| 04/27/2011 | CN101579919B Equipment and process for producing water hose |
| 04/27/2011 | CN101480824B Intensified cooling type accordion pipe molding module |
| 04/27/2011 | CN101352911B Method for preparing chemical industry pipeline |
| 04/20/2011 | CN201800230U Outer water ring device used for sizing plastic pipe |
| 04/20/2011 | CN102019681A Large-diameter PE straight-wall pipe startup molding and towing device and startup method thereof |
| 04/20/2011 | CN102019678A General-purpose heat-shrink tube extruder |
| 04/20/2011 | CN101386208B Silicon rubber sleeve expansion method and device |
| 04/13/2011 | EP2308705A1 Stabilizer device and method of manufacturing same |
| 04/13/2011 | CN201792476U Extrusion die for hollow muffling spiral pipe |
| 04/13/2011 | CN201792461U Split die cavity for PE pipe fitting die |
| 04/13/2011 | CN102009474A Method for testing welding quality of electro-fusion joint and realizing automatic evaluation |
| 04/13/2011 | CN100999133B Squeezing cold shaping machine for vehicle oil pipe middle part |
| 04/12/2011 | US7922848 Tube clamp device and tube connection device |
| 04/06/2011 | CN201784173U Mold structure for wheel rim made of composite materials |
| 04/06/2011 | CN201784157U Joint die for plastic hose extruder |
| 04/06/2011 | CN201784131U Injection mold for fuel oil filtering and filling pipe |
| 04/06/2011 | CN102001169A Technology for processing modified composite polyethylene pipe |
| 04/06/2011 | CN101781420B Method for extruding ultra-high molecular weight polyethylene product with flame retardant and antistatic properties |
| 04/06/2011 | CN101284422B Glass fibre reinforced vertical protruded tubular product device and method |
| 03/30/2011 | EP2301744A1 Method for manufacturing a tube using flexible materials |
| 03/30/2011 | EP2072581B1 Polyimide tube, method for production thereof, method for production of polyimide varnish, and fixing belt |
| 03/23/2011 | CN201769319U Hot-melt tube die automatic access mode mechanism |
| 03/23/2011 | CN101989476A Silicone grease coating process for heat-shrinkable sleeve |
| 03/22/2011 | US7910047 Through fittings and a method for gas assist molding of through fittings |
| 03/16/2011 | CN201761068U Mechanical equipment for making multi-layer rubber-plastic thermal insulation pipe |
| 03/16/2011 | CN201761063U Vacuum automatic drainage sizing tank |
| 03/16/2011 | CN201761055U Five-layer pipe composite die for plastic extruder |
| 03/15/2011 | CA2452303C Biaxially oriented multilayer polymer tube for medical devices |
| 03/08/2011 | CA2464732C Apparatus and method for extrusion of thin-walled tubes |
| 03/03/2011 | WO2011024484A1 Hydraulic hose manufacturing apparatus |
| 03/02/2011 | EP2290278A2 Hybrid high pressure hose |
| 02/23/2011 | CN101980859A Multilayered polyamide tube for food packaging |
| 02/16/2011 | CN201745178U Hot melting tool for double hot melting plastic-aluminum pipes |
| 02/16/2011 | CN201745162U On line circle rectifying device for the plastic pipe |
| 02/16/2011 | CN201745161U Preset cooling device of plastic pipe |
| 02/16/2011 | CN101973116A Method for manufacturing plastic tube in hot-melt connection mode |
| 02/16/2011 | CN101973102A Rubber pipe and plate continuous foaming and molding equipment |
| 02/09/2011 | CN201736416U Unit for suspending blank-delivering mechanical arm on vertical side of injection molding machine |
| 02/09/2011 | CN201736415U Pipe suction air hole of manipulator pipe taking board |
| 02/09/2011 | CN201736383U Floating demolding mechanism of three-way pipe fitting mold |
| 02/08/2011 | CA2431668C Syntactic foams with improved water resistance, long pot life and short demolding times |
| 02/03/2011 | WO2011013636A1 Pipe making machine and pipe making method |
| 02/02/2011 | CN201728828U Air cooling device for extrusion die |
| 02/02/2011 | CN201728823U Large-aperture ultrahigh molecular weight polyethylene pipe extruder |
| 02/02/2011 | CN201728792U Foaming platform without supporting frame |
| 02/02/2011 | CN201728776U Demoulding structure of external threaded tee pipe mould |
| 02/02/2011 | CN101327647B Method for welding HDPE large-caliber hollow-wall winding tube production line |
| 01/26/2011 | EP2277681A1 Method and device for regulating the thickness of stretched blow film |
| 01/26/2011 | EP1710068B8 Manufacture of tubes in flexible materials by prior injection of the tube body with labelling in the mould |
| 01/26/2011 | CN201721030U Oil-cooling circulating device of superhigh molecular weight polyethylene pipe mould |
| 01/26/2011 | CN101954733A Device for molding plastic pipe by rolling |
| 01/26/2011 | CN101954724A Straight rotary linkage core puller for injection mold of elbow product |
| 01/19/2011 | CN201712152U Tube extrusion molding mould |
| 01/19/2011 | CN201712146U Multifunctional bellows forming machine |
| 01/19/2011 | CN201712145U Shunt device |
| 01/19/2011 | CN201712131U Oblique guide slot type degerming mechanism of germ injection die |
| 01/19/2011 | CN201712123U Rolling die for plastic coated foamed metal tube |
| 01/19/2011 | CN101947851A Online roundness correcting device for plastic pipe |
| 01/19/2011 | CN101947849A Presetting and cooling device for plastic pipe |
| 01/19/2011 | CN101947846A Ultrasonic vibration microtube extrusion mould |
| 01/19/2011 | CN101947842A Manufacturing method of high-pressure and wear-resistant rubber and plastic hose pipe with large length |
| 01/12/2011 | CN201702952U Composite material multilayer diagonal tensioning and winding production line |
| 01/12/2011 | CN201702943U Plastic pipe network welding device |
| 01/12/2011 | CN201702936U Hydraulic forming device of hot extruded small-diameter thick-walled manifold |
| 01/12/2011 | CN201702935U Hot extrusion type hydraulic formation device for collecting tube |
| 01/12/2011 | CN201702902U Bended pipe injection mold |
| 01/12/2011 | CN201702886U Mould of corrugated pipe |
| 01/11/2011 | CA2465302C Reinforced thermoplastic pipe manufacture |
| 01/05/2011 | CN201693731U Extrusion-proof plastic composite pipe injection mold |
| 01/05/2011 | CN201693729U Radially positioned thread-unscrewing injection mold |
| 01/05/2011 | CN101934584A Production equipment of welding-type high density polyethylene wound tubes |
| 12/29/2010 | CN201685439U One mould and multiple production extruded pipe mould head for ultra high molecular weight polyethylene |
| 12/29/2010 | CN201685400U Special mould for preparing tissue engineering tubular supports |
| 12/29/2010 | CN101929675A Premixed type combustion system for heat treatment of outer surface of plastic pipe and gas nozzle |
| 12/29/2010 | CN101417505B Connection method of PE plastic tube and PE steel wire mesh frame plastic composite tube |