| Patents for B21D 15 - Corrugating tubes (1,257) |
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| 01/13/2009 | US7475585 Punch tool for security purposes |
| 01/07/2009 | CN201175744Y Lifting device of engraving head of engraving machine |
| 12/24/2008 | CN201168737Y Automobile transmission shaft accordion pipe shaping apparatus |
| 12/18/2008 | WO2008152350A1 Apparatus and method for the production of cable having a core sheathed with an aluminium based sheath |
| 12/18/2008 | CA2690664A1 Apparatus and method for the production of cable having a core sheathed with an aluminium based sheath |
| 12/09/2008 | CA2182811C Method of manufacturing a corrugated metallic pipe and a tool for effecting same |
| 11/26/2008 | CN201154371Y Gearing of channeling machine |
| 11/25/2008 | US7454936 Method and device for forming an essentially flat metal blank to produce a thin-walled, shell-type body, and the use of same |
| 11/19/2008 | CN201150965Y Pipe expanding device of convex ring right trapezoid stainless steel tube |
| 11/19/2008 | CN101306446A Shaping device in a special pipe end shaper |
| 11/12/2008 | CN100431779C Formation process with dabber spacer ring |
| 10/29/2008 | EP1985388A1 High pressure-resistant metal bellow and method for manufacturing the same |
| 10/29/2008 | EP1984131A2 Rolling tool with integrated drawing stage |
| 10/29/2008 | CN201140253Y One-piece auger finned tube charge stock conveying apparatus |
| 10/22/2008 | EP1981662A1 Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it |
| 10/21/2008 | US7437904 Coldwork tool assembly |
| 10/15/2008 | CN201132185Y Processing device of seal groove for connecting with carrier pipe |
| 10/01/2008 | CN201124204Y Device for processing metal pipe end rolling hoop |
| 09/24/2008 | CN101269390A Hollow rack manufacturing method and manufacturing apparatus |
| 09/17/2008 | CN201115862Y Pipe connection shaping fixture improvement structure |
| 09/10/2008 | CN100417466C Method and apparatus of manufacturing grooved pipe, and structure thereof |
| 09/04/2008 | US20080209969 Deep Rolling Head |
| 09/03/2008 | CN201108935Y Roll type shaping die for rolling plum blossom pipe by using circular steel tube |
| 08/27/2008 | CN201105299Y Novel simple integral spiral finned tube roller mill |
| 08/27/2008 | CN101249540A Mandrel, set of mandrels, and hollow rack bar |
| 08/21/2008 | US20080196472 Apparatus and method for forming inside surface of tube stock |
| 08/20/2008 | CN201102044Y Metal tube end convex ring shaping tool |
| 08/13/2008 | CN101239365A Car drive shaft corrugated tube forming equipment |
| 08/06/2008 | CN101234581A Aluminum alloy rim and method for manufacturing rim body |
| 07/30/2008 | EP1948422A1 Method and apparatus for manufacturing a wrap-around tube |
| 07/29/2008 | US7404254 Calibrated catalyst carrier body with corrugated casing and method for manufacturing the same |
| 07/24/2008 | US20080173055 Deep rolling head of a deep rolling tool for the deep rolling of crankshafts |
| 07/23/2008 | CN101224476A Manufacturing method of rolling round steel tube into plum blossom-shape tube |
| 07/16/2008 | CN101223021A Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 07/16/2008 | CN100402174C Equipment for extruding longitudinal corrugated pipe |
| 07/03/2008 | US20080155806 Method of, and apparatus for, manufacturing metallic bellows |
| 07/02/2008 | CN201079805Y Forming tool for metal pipe sectional convex bench |
| 07/02/2008 | CN201079804Y Integral finned pipe processing device |
| 06/26/2008 | US20080148797 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 06/26/2008 | DE102006062241A1 Zahnstange Rack |
| 06/25/2008 | CN101204723A Method of, and apparatus for, manufacturing metallic bellows |
| 06/17/2008 | US7387008 Apparatus and method for rolling workpieces |
| 06/14/2008 | CA2614948A1 Method and apparatus for forming undulating conduit |
| 06/11/2008 | CN101198425A Method for producing internal tooth section and external tooth section on cylinder type hollow member with thin wall |
| 06/04/2008 | EP1926583A1 Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 06/03/2008 | CA2332191C Process for the continuous production of longitudinally seam-welded and corrugated metal tubes |
| 05/28/2008 | CN201064809Y Metal bellows shaping mold automatic mould separating mechanism |
| 05/28/2008 | CN100390084C Refining chamber made of platinum group metal materials |
| 05/14/2008 | CN101180142A Method for straightening an eccentric shaft |
| 05/14/2008 | CN101178290A Spiral radiating collar heat radiating pip and production process thereof |
| 05/07/2008 | CN201055879Y Conduit coupling section shaping fixture |
| 05/07/2008 | CN100386162C Technique for fabricating copper tube with fins of high teeth |
| 04/30/2008 | EP1915225A1 Method for producing internal and external toothings on thin-walled, cylindrical hollow parts |
| 04/30/2008 | CN100384582C Producing method and forming device for thin wall stainless steel concave channel spiral pipe |
| 04/09/2008 | EP1907147A1 Apparatus and method for forming shaped parts |
| 04/02/2008 | CN100377807C Process for producing flat heat exchange tubes |
| 03/26/2008 | CN101147936A Split rolling cutter for integral spiral finned tube rolling press |
| 03/20/2008 | US20080066513 Deep rolling machine for crankshafts |
| 03/05/2008 | EP1558534B1 Refining chamber made of platinum group metal materials |
| 03/05/2008 | CN201030407Y Forming device of multi-station pipe end forming machine |
| 03/05/2008 | CN201030401Y Forming device of special pipe end forming machine |
| 03/05/2008 | CN201030400Y Integral fin tube grimper |
| 03/05/2008 | CN201030399Y Groove turning head |
| 02/27/2008 | EP1892322A1 Copper/niobium composite piping material produced by copper electroforming, process for producing the same and superconducting acceleration cavity produced from the composite piping material |
| 02/20/2008 | CN101126552A Anti-freeze type heat collecting board core and its making method |
| 02/12/2008 | US7328597 Circumferential length correcting method and apparatus for metal ring |
| 02/06/2008 | CN201017725Y Metal bellows pattern-rolling device |
| 01/30/2008 | CN101112713A Processing method of the seal groove for connecting carrier pipes and device thereof |
| 01/08/2008 | US7316271 Deformable member |
| 12/27/2007 | WO2007147907A1 Improved method and tool for producing convoluted tubes applicable to steering columns and universal joints |
| 12/26/2007 | EP1868750A2 Method for straightening an eccentric shaft |
| 12/21/2007 | WO2007093159A3 Rolling tool with integrated drawing stage |
| 12/12/2007 | CN200988067Y Corrugated tube forming machine |
| 12/06/2007 | WO2007137543A1 Device and method for producing profiled bodies |
| 12/06/2007 | CA2653049A1 Device and method for producing profiled bodies |
| 12/05/2007 | CN200984601Y Metal pipes convex ring forming tool |
| 11/29/2007 | DE102006025034A1 Process and assembly to cut elongated grooves in cylindrical workpieces forming part of an automotive clutch |
| 11/28/2007 | CN200981084Y Longitudinal corrugated pipe extruding device |
| 11/15/2007 | WO2007090213A8 Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it |
| 11/07/2007 | CN100347512C Heat transfer tube and method of manufacturing same |
| 11/06/2007 | US7290420 Rolling apparatus and rolling method |
| 10/23/2007 | US7284319 Self-piercing rivet setting die and apparatus |
| 10/21/2007 | CA2574352A1 Method of producing helically corrugated metal pipe and related pipe construction |
| 10/18/2007 | DE10020011B4 Verfahren zur Herstellung von Rippenrohren sowie ein danach hergestelltes Rippenrohr A process for the production of ribbed pipes, and then produced a finned tube |
| 10/04/2007 | DE10122763B4 Vorrichtung zur Herstellung von Querwellen an einem Metallrohr Apparatus for producing transverse corrugations on a metal pipe |
| 10/03/2007 | EP1385646B1 Tube corrugating apparatus and method |
| 09/12/2007 | CN101032726A Producing method of stainless steel sliding door and window material |
| 09/01/2007 | CA2579393A1 Quiet gas connector |
| 08/30/2007 | WO2006110312A3 Method for straightening an eccentric shaft |
| 08/29/2007 | CN200939480Y Corrugating machine for wide-bore metal pipe |
| 08/23/2007 | WO2007093159A2 Rolling tool with integrated drawing stage |
| 08/23/2007 | CA2640673A1 Rolling tool with integrated drawing stage |
| 08/22/2007 | CN101022900A Roller tool for forming grooves in pipes |
| 08/22/2007 | CN101020217A Forming device of multiple-site pipe end forming machine |
| 08/22/2007 | CN101020209A Forming device of forming machine for special pipe end |
| 08/22/2007 | CN101020208A Groove turning head |
| 08/21/2007 | US7257974 Deep-rolling roller head of a deep-rolling tool |
| 08/16/2007 | WO2007090213A1 Deformable element, designed in the form of a corrugated tube, of a steering wheel spindle and method of producing it |
| 08/09/2007 | WO2007067888A3 Propeller shaft assembly with integrated stub portion and method for manufacturing a tube for suce a propeller shaft |
| 08/08/2007 | EP1815921A1 Roll for molding square tube and method and device for rollingly molding square tube |