| Patents for B21D 15 - Corrugating tubes (1,257) |
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| 06/30/2010 | CN201516458U Three-jaw centering wheel device for embossing calender |
| 06/29/2010 | CA2338660C Machine for producing corrugated wheel spacers |
| 06/24/2010 | WO2010070980A1 Conveying jig, method of manufacturing conveying jig, and method of heat-treating metal rings using conveying jig |
| 06/23/2010 | EP2198987A1 Device and method for manufacturing a plate having patterns with a tubular material applying magnetic forces |
| 06/09/2010 | CN201500709U Sealing device of metal bellows wave pitch |
| 06/09/2010 | CN201500708U Metal corrugated pipe production device |
| 06/09/2010 | CN201500707U Production device for metal hose in firefighting system of high-rise building |
| 06/09/2010 | CN201500706U Metal pipe corrugation forming machine |
| 06/09/2010 | CN101722225A Novel hydraulic bulging process for tubular parts |
| 05/26/2010 | CN201482847U Forming hydraulic press for large-tonnage stainless steel bellows expansion joint |
| 05/26/2010 | CN101712059A Multidentate core print used for manufacturing semi-open groove-type heat pipe |
| 05/19/2010 | CN201470739U Special-type pipe cold working forming process device for efficient heat exchanger use |
| 05/19/2010 | CN201470738U Wave spacing adjusting device for corrugated pipe |
| 05/12/2010 | CN201455070U Precision corrugated pipe forming machine |
| 05/12/2010 | CN201455069U Cold-drawn steel pipe mandrel servo rotary device |
| 05/12/2010 | CN101704121A Method for processing trapezoid slit sieve tube by adopting rolling treating device |
| 04/27/2010 | CA2355172C Apparatus for producing annularly corrugated metal tubes |
| 04/21/2010 | CN101695726A Cold machining molding process device of special tube for high-efficiency heat exchanger |
| 04/13/2010 | US7694633 Anti-climbing device for railay carriages |
| 04/13/2010 | US7694402 Method for forming a lined conduit |
| 03/25/2010 | DE102008047985A1 Vorrichtung und Verfahren zur Herstellung von Längsnuten in zylindrischen Werkstücken Apparatus and method for producing longitudinal grooves in cylindrical workpieces |
| 03/24/2010 | CN101676044A Molding processing device of metal spiral welded pipe |
| 03/18/2010 | US20100064956 Handrails and Fabrication Methods |
| 02/25/2010 | DE10119569B4 Vorrichtung zur spanlosen Umformung Apparatus for chipless metal forming |
| 02/24/2010 | EP2155412A1 Apparatus and method for the production of cable having a core sheathed with an aluminium based sheath |
| 02/17/2010 | CN201407469Y Gas spring auxiliary supporting folding stand of channeling machine |
| 02/04/2010 | WO2010013273A1 Method of profiling a tube of given length |
| 02/04/2010 | CA2733234A1 Method of profiling a tube of given length |
| 01/28/2010 | US20100021254 Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 01/27/2010 | CN201389586Y Automatic molding machine of helical corrugated pipe |
| 01/21/2010 | US20100014818 Method and apparatus for manufacturing an optical cable and cable so manufactured |
| 01/20/2010 | CN201385073Y Large-diameter metal pipe expanded joint molding device |
| 01/13/2010 | CN201380228Y Shaping machine of inner threaded pipe |
| 01/13/2010 | CN201380227Y Manufacturing die of inner threaded pipe |
| 01/07/2010 | DE19506391B4 Verfahren zum Herstellen eines ein zahn- oder wellenförmiges Profil aufweisenden Getriebebauteils aus einer Blechplatine A method for producing a dental or a wave-like profile having transmission component from a sheet metal blank |
| 12/23/2009 | CN201366469Y Rectangular tank reinforcement rib forming die structure |
| 12/23/2009 | CN201366460Y Extrusion forming device of thin-walled pipe |
| 12/17/2009 | WO2009150053A1 Roll forming method for producing longitudinally toothed profiled bodies in pot-shaped cylindrical workpieces |
| 12/09/2009 | CN201359140Y Metal thin walled tube |
| 12/09/2009 | CN100566877C Shaping device in a special pipe end shaper |
| 12/09/2009 | CN100566876C Manufacturing method of rolling round steel tube into plum blossom-shape tube |
| 12/03/2009 | US20090299453 Stent crimping device |
| 12/03/2009 | DE102009012694A1 Ausbuchtungsbildungsverfahren und Ausbuchtungsbildungsvorrichtung Ausbuchtungsbildungsverfahren and Ausbuchtungsbildungsvorrichtung |
| 12/02/2009 | CN201353602Y Composite finned pipe rolling machine tool |
| 11/12/2009 | WO2008088748A3 Gear burnisher method and apparatus |
| 11/11/2009 | EP1981662B1 Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it |
| 10/28/2009 | CN201333476Y Novel pipe-fittings groove device |
| 10/28/2009 | CN101564743A Precise corrugated pipe forming machine |
| 10/21/2009 | CN201329380Y Stainless steel groove tube rolling type molding device |
| 10/21/2009 | CN101559447A Thin wall pipe connector and processing method thereof |
| 10/08/2009 | DE102008017599A1 Mehrlagiger Metallbalg und Verfahren zu dessen Herstellung A multi-layered metal bellows and process for its preparation |
| 10/07/2009 | CN201320572Y Channeling machine |
| 10/06/2009 | US7596979 Ring mill apparatus and method |
| 09/30/2009 | CN100544851C Groove turning head |
| 09/16/2009 | CN101530876A Bulge forming method and bulge forming apparatus |
| 09/10/2009 | US20090223268 Groover Extension Device |
| 09/09/2009 | CN101524728A Method for molding expandable bellows |
| 08/26/2009 | CN201295716Y Self-rotary thread smoke tube |
| 08/26/2009 | CN101513656A Heavy-caliber metal pipe expanding ring forming device |
| 08/26/2009 | CN101513655A Lifting device for embossing head of embossing calendar |
| 08/13/2009 | US20090199924 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 08/12/2009 | CN100526647C Method for machining screw pump stator with equal wall thickness |
| 08/05/2009 | CN201283381Y Machine tool for machining smoke pipe with screw thread |
| 08/05/2009 | CN101497091A Steel drum W-shaped beading machine |
| 07/07/2009 | US7556065 Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| 07/01/2009 | EP1926583B1 Apparatus for forming annular grooves on the outer surface of a cable or tube |
| 07/01/2009 | EP1695814B1 Method of producing run-flat tire supporting body |
| 06/23/2009 | US7550189 Variable stiffness structure |
| 06/18/2009 | DE102007060133A1 Leitungsteil aus nickelarmem Stahl für eine Abgasanlage Line part of nickelarmem steel for an exhaust system |
| 06/09/2009 | US7543471 Waste gas heat exchanger |
| 06/03/2009 | CN201249228Y Spiral ripple forming device of copper corrugated pipe |
| 05/28/2009 | DE19615299B4 Traghaken, insbesondere Dachrinnenhalter und Verfahren zu dessen Herstellung Suspension hook, in particular roof gutter bracket and process for its preparation |
| 05/27/2009 | CN101441925A Segment type case of flame-proof type dry transformer for mining and preparation technique thereof |
| 05/20/2009 | CN100488659C Forming device of multiple-site pipe end forming machine |
| 05/20/2009 | CN100488655C Forming device of forming machine for special pipe end |
| 05/13/2009 | CN101428313A End sheath for processing copper corrugated pipe |
| 05/07/2009 | US20090113971 Ring mill apparatus and method |
| 04/29/2009 | EP1907147A4 Apparatus and method for forming shaped parts |
| 04/23/2009 | WO2007016587A3 Method and apparatus for forming a lined conduit |
| 04/14/2009 | US7516636 Roller tool for forming grooves in pipes |
| 04/09/2009 | DE10236822B4 Verfahren und Vorrichtung zur Herstellung einer Schalttrommel Method and apparatus for producing a shift drum |
| 04/08/2009 | EP1868750A4 Method for straightening an eccentric shaft |
| 03/31/2009 | CA2378733C Hydroformed collapsible drive shaft and steering shaft and methods of making the same |
| 03/26/2009 | US20090078017 Roll grooving apparatus |
| 03/25/2009 | EP1948422B1 Method and apparatus for manufacturing a wrap-around tube |
| 03/25/2009 | CN201211538Y Bellows manufacturing device |
| 03/25/2009 | CN201211537Y Clamping device for manufacturing bellows |
| 03/11/2009 | EP1536172B1 Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| 03/04/2009 | CN201201006Y Device for molding internal ribbed tube |
| 03/04/2009 | CN100464889C A processing device of a seal groove of a delivering pipe |
| 02/25/2009 | EP2027949A1 Improved method and tool for producing convoluted tubes applicable to steering columns and universal joints |
| 02/25/2009 | CN100464105C Fan convex ring thin wall metal pipe, its processing method and special equipment |
| 02/24/2009 | US7493788 Deep rolling roller head for split-pin crankshafts |
| 02/18/2009 | EP2024111A1 Device and method for producing profiled bodies |
| 02/18/2009 | CN101368801A Double-walled helical corrugation metal tube and method of processing the same |
| 02/18/2009 | CN101367100A Copper corrugated pipe helical corrugation forming apparatus and forming process |
| 02/11/2009 | CN101362177A Forming technique of hose elbow core and processing device used in the technique |
| 02/10/2009 | US7487657 Deep rolling head of a deep rolling tool for the deep rolling of crankshafts |
| 02/03/2009 | US7484394 Gear roll-forming apparatus |
| 01/21/2009 | CN101351323A Method and apparatus for manufacturing a wrap-around tube |