| Patents for B29L 16 - Articles with corrugations (83) |
|---|
| 02/11/2015 | CN102729419B 波纹管气动脱模装置 Bellows pneumatic ejection device |
| 01/14/2015 | CN104279379A 连续缠绕增强波纹管材及其制造方法 Continuous winding reinforced corrugated pipe and its manufacturing method |
| 12/09/2014 | US8906186 Method for manufacturing filtration units and associated apparatus |
| 12/02/2014 | US8899956 Device for producing pipes made of thermoplastic |
| 08/05/2014 | US8794948 Apparatus for the continuous production of a twin wall pipe with an integral socket |
| 06/11/2014 | CN103847052A Apparatus and method for manufacturing small-diameter corrugated tube |
| 04/02/2014 | CN103692657A Automatic production line of double-wall corrugated polyethylene tubes |
| 12/04/2013 | CN102366983B Rubber bellows model lamination manufacturing device and its manufacturing method |
| 08/28/2013 | CN203157111U High-speed sizing sleeve for corrugated tube |
| 07/24/2013 | CN203077520U Circumferential and radial reinforcing double-wall corrugated pipeline forming module |
| 07/24/2013 | CN203077519U Double-wall corrugated pipeline forming module |
| 07/10/2013 | CN203046205U Small-diameter double-wall corrugated pipe mold |
| 06/19/2013 | CN203004127U Bellows manufacturing device and mold clamping mechanism thereof |
| 06/12/2013 | CN202986111U Plastic corrugated flat tube forming device for prestressing force |
| 05/08/2013 | CN103085289A Device and method for processing polyethylene glass fiber reinforced plastic composite molded spiral corrugated tube |
| 05/01/2013 | CN103072226A Forming module for double-wall corrugated pipeline |
| 04/24/2013 | CN202895679U Device for adjusting forming position of high-precision steel strip |
| 03/20/2013 | CN202805602U Handpiece for manufacturing double-wall corrugated pipe |
| 03/20/2013 | CN102975359A Plastic corrugated pipe molding machine |
| 03/20/2013 | CN102975358A Prestress plastic corrugated pipe molding machine |
| 03/06/2013 | EP2563494A1 Three-dimensional filter |
| 03/06/2013 | CN202764227U Device for producing external corrugated fiber reinforced plastic (FRP) pipe |
| 01/02/2013 | CN202640760U Plastic corrugated pipe forming machine |
| 01/02/2013 | CN202640759U Pre-stress plastic corrugated pipe molding machine |
| 12/12/2012 | CN102814992A Preparation method for engine valve bellows |
| 11/21/2012 | CN202540727U Roller for steel frame helical bellows production line |
| 10/24/2012 | CN202498735U Air blowing and inducing mechanism of core tube in extruding machine of carat tube |
| 10/17/2012 | CN202491424U Reinforcement tube positioning bracket in carat tube plastic extruding machine |
| 10/17/2012 | CN102729419A Air ejection device for bellows |
| 07/11/2012 | CN202318701U 一种橡胶波纹管模型叠压制作设备 A rubber bellows model laminated production equipment |
| 05/30/2012 | CN101830066B Mold closing and splitting device for plastic corrugated pipe molding machine |
| 04/04/2012 | EP2436502A2 Method for producing a flexible suction hose and the manufactured suction hose |
| 03/07/2012 | CN102366983A Rubber bellows model lamination manufacturing device and its manufacturing method |
| 01/11/2012 | CN202106491U Compound die for rubber corrugated tubes used on rolling stock |
| 11/16/2011 | CN102241123A Braking device for plastic corrugated pipe forming machine |
| 11/09/2011 | CN202029355U Pneumatic demoulding device for corrugated pipe |
| 09/21/2011 | CN102189661A Plastic corrugated pipe forming device |
| 06/15/2011 | CN101362379B Cooling method and device of bellow forming module |
| 01/19/2011 | CN201712146U Multifunctional bellows forming machine |
| 11/24/2010 | CN201645700U Die closing/splitting device of plastic corrugated pipe forming machine |
| 11/10/2010 | CN201626082U Rubber-plastic tile forming and dynamically, fast and continuously vulcanizing device |
| 11/03/2010 | CN201619242U Outward-turning winding molding device |
| 09/15/2010 | CN101830066A Mold closing and splitting device for plastic corrugated pipe molding machine |
| 12/30/2009 | WO2009155653A1 A plastics product and a method and apparatus for the manufacture thereof |
| 10/21/2009 | CN201329670Y Ring-shaped periphery supporting device for metal reinforced corrugated pipe manufacturing equipment |
| 08/05/2009 | CN201283656Y Device for manufacturing metal reinforced helical bellows |
| 05/27/2009 | CN201244905Y Chain-plate type molding mechanism of glazed tile traction forming machine |
| 05/27/2009 | CN201244904Y Glazed tile traction forming machine |
| 02/11/2009 | CN101362379A Cooling method and device of bellow forming module |
| 11/19/2008 | CN101306576A One-shot forming apparatus for spiral type double-wall corrugated pipe |
| 10/22/2008 | CN101289001A Plastic coloured glaze decorating tile forming machines |
| 07/16/2008 | EP1944149A2 Injection moulded part with a fold contour and method for producing the injection moulded part |
| 04/30/2008 | CN100384613C Hollow product made by thermalplastic resin and its producing method and apparatus |
| 07/19/2007 | WO2007081013A1 Corrugated sheet manufacturing method and apparatus, heating element manufacturing method and heating element |
| 07/11/2006 | CA2387313C Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article |
| 10/20/2005 | US20050230883 Longitudinally expandable plastic bottle, and method and apparatus for manufacturing the same |
| 10/19/2005 | EP1586437A1 Longitudinally expandable plastic bottle, and method and apparatus for manufacturing the same |
| 10/19/2005 | CN1683151A Longitudinally expandable plastic bottle, and method and apparatus for manufacturing the same |
| 09/28/2005 | EP1580135A1 Manufacturing method for PET bottle capable of keeping state of being contracted in lengthwise direction |
| 09/28/2005 | CN1672909A Manufacturing method for polyester bottle capable of keeping state of being contracted in lengthwise direction |
| 09/22/2005 | US20050206044 Manufacturing method for pet bottle capable of keeping state of being contracted in lengthwise direction |
| 09/15/2005 | US20050202192 Pet bottle and method of manufacturing the same |
| 09/14/2005 | EP1574445A1 Pet bottle and method of manufacturing the same |
| 09/28/2004 | US6796785 Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article |
| 08/10/2004 | CA2299088C Method for shaping strip-like films |
| 02/18/2004 | CN1138626C Forming method for belt type film |
| 02/05/2003 | EP1281896A2 Hollow article made of thermoplastic resin, method and apparatus of making the same |
| 01/08/2003 | CN1389338A Hollow product made by thermalplastic resin and its producing method and apparatus |
| 12/05/2002 | US20020182355 Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article |
| 10/08/2002 | US6461559 Method for shaping strip-like films |
| 10/25/2000 | CN1270884A Forming method for belt type film |
| 04/02/1996 | US5503547 Apparatus for continuously manufacturing corrugated sheet |
| 08/23/1994 | US5340518 Method for corrugating sheet material |
| 04/20/1994 | EP0593236A1 Method and apparatus for corrugating sheet material |
| 12/29/1993 | EP0575697A1 Apparatus for continuously manufacturing corrugated sheet |
| 07/11/1990 | CN1008707B Extrusion die for externally ribbed plastic tubing |
| 08/08/1989 | CA1320323E Extrusion die for externally ribbed plastic tubing |
| 08/08/1989 | CA1258156A1 Extrusion die for externaly ribbed plastic tubing |
| 03/08/1988 | CA1233609A1 Extruded article and method of making the same |
| 12/15/1987 | US4712993 Extrusion die for externally ribbed plastic tubing |
| 10/07/1987 | CN86108276A Extrusion die for externally ribbed plastic tubing |
| 09/30/1987 | EP0239046A2 Extrusion die for externally ribbed plastic tubing |
| 05/22/1985 | EP0142338A2 Extruded article and method of making the same |