| Patents for B21D 15 - Corrugating tubes (1,257) |
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| 11/22/2011 | US8061034 Method for forming a bumper beam for a motor vehicle |
| 11/16/2011 | CN101441925B Preparation technique of segment type case of flame-proof type dry transformer for mining |
| 11/09/2011 | EP2384837A2 Heat exchanger and method for manufacturing a heat exchanger pipe |
| 11/09/2011 | CN102235831A Heat pipe production method, a heat pipe produced by means of the production method and a cooling device comprising the heat pipe |
| 11/03/2011 | DE102010019241A1 Verfahren zur Herstellung eines Wärmetauscherrohres und Wärmetauscher A process for producing a heat exchanger tube and heat exchanger |
| 11/02/2011 | CN202021254U Duplex type rolling machine |
| 11/01/2011 | US8046916 Method of, and apparatus for, manufacturing metallic bellows |
| 10/19/2011 | CN202010715U Multi-wheel pull roller machine |
| 10/11/2011 | US8033153 Method and apparatus for manufacturing a battery terminal with undercut rings |
| 09/21/2011 | EP2024111B8 Device and method for producing profiled bodies |
| 09/14/2011 | EP2155412B1 Apparatus and method for the production of cable having a core sheathed with an aluminium based sheath |
| 09/14/2011 | CN201969810U 车用气弹簧缸筒半自动滚槽、封口机 Vehicle gas spring cylinder semiautomatic roll groove, sealing machine |
| 09/14/2011 | CN102179665A Combined plastic forming method of automobile hub and matching forming mold of automobile hub |
| 09/14/2011 | CN102179664A Combined plastic forming method of automobile hub and matching forming mold of automobile hub |
| 09/14/2011 | CN102179436A Device for continuous corrugation of a metallic tube |
| 09/07/2011 | CN201960024U 波纹管成型头转台偏转装置 Bellows forming head turret deflection device |
| 09/07/2011 | CN102176987A Method of profiling a tube of given length |
| 08/30/2011 | CA2484721C Tubing anchor |
| 08/10/2011 | CN102147204A Energy-saving corrosion-preventing coal economizer heat exchanging tube and making method thereof |
| 08/10/2011 | CN101663109B Apparatus and method for the production of cable having a core sheathed with an aluminium based sheath |
| 07/20/2011 | CN201900168U Forming machine of corrugated cylinder |
| 07/06/2011 | CN102114508A Rolling mould and process for manufacturing variable section heating body of 24-kW voltage stabilizer in nuclear power plant |
| 06/29/2011 | EP2024111B1 Device and method for producing profiled bodies |
| 06/23/2011 | US20110146368 Method for Making a Tube of a Telescopic Device |
| 06/22/2011 | CN201871594U Rolling device for outer conductor of corrugated pipe |
| 06/15/2011 | EP2331271A1 Method of profiling a tube of given length |
| 06/14/2011 | CA2497748C Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| 06/09/2011 | US20110132053 Apparatus for continuous corrugation of a metallic tube |
| 06/08/2011 | EP2329896A1 Device for continuous corrugation of a metallic tube |
| 06/08/2011 | CN201855878U Inner tube mould for processing non-connector heat exchange spiral tube |
| 06/08/2011 | CN201855871U Whole spiral finned tube rolling tool and whole spiral finned tube rolling mill |
| 06/08/2011 | CN201855862U Spiral tubing machine pressing roll positioning device |
| 06/08/2011 | CN101198425B Method and device for producing internal tooth section and external tooth section on cylinder type hollow member with thin wall |
| 06/01/2011 | CN201848466U Rib rolling equipment |
| 05/31/2011 | US7950153 Method of manufacturing a steering rack |
| 05/17/2011 | US7942028 Formation of a curl in a unitary closable container |
| 05/11/2011 | CN201823802U Convex ring machining device |
| 04/28/2011 | WO2011047921A1 Method for producing a threaded shaft for a shaft drive; a roller screw drive comprising such a threaded shaft, and use of said roller screw drive |
| 04/27/2011 | EP1984131B1 Rolling tool with integrated drawing stage |
| 04/27/2011 | CN201807644U Automobile pipeline multiple-boss molding device |
| 04/27/2011 | CN101368801B Double-walled helical corrugation metal tube and method of processing the same |
| 04/20/2011 | CN201799527U Round pipe extrusion die |
| 04/20/2011 | CN102019321A Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill |
| 04/19/2011 | US7926160 Method of forming a lined tubular member |
| 04/14/2011 | US20110083485 Roll forming method for producing longitudinally toothed profiled bodies in pot-shaped cylindrical workpieces |
| 04/14/2011 | DE102010037456A1 Vorrichtung zum Herstellen eines gewellten, rohrförmigen Elementes An apparatus for fabricating a corrugated tubular element |
| 04/07/2011 | US20110079066 Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| 04/06/2011 | CN201783577U Heat pressing die of corrugated furnace of boiler |
| 04/06/2011 | CN201783571U Shock absorber oil storage cylinder convex hull bulging mould |
| 04/06/2011 | CN102000723A Multi-boss molding device for automotive pipeline |
| 03/30/2011 | CN201776329U Full-automatic PLC (power load control) threaded smoke pipe rolling machine |
| 03/30/2011 | CN101564743B Precise corrugated pipe forming machine |
| 03/30/2011 | CN101223021B Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 03/22/2011 | US7908897 Spline rolling tool, and process of manufacturing spline rolling tool |
| 03/22/2011 | US7908731 Folded-seam connection, method of producing it and device |
| 03/03/2011 | WO2011022747A1 Device and method for processing elongate workpieces without cutting |
| 03/03/2011 | CA2772658A1 Device and method for processing elongate workpieces without cutting |
| 02/23/2011 | EP1347842B1 Apparatus and method for rolling workpieces |
| 02/16/2011 | EP2282854A1 Roll forming method for producing longitudinally toothed profiled bodies in pot-shaped cylindrical workpieces |
| 02/16/2011 | CN101975331A Aluminum alloy pipe for fixation roller or transmission shaft main body and manufacturing method thereof |
| 02/09/2011 | CN201735658U Clamp for machining drum diameter of thick-wall hollow pipe |
| 02/09/2011 | CN201735657U Finned tube cutter linkage device |
| 02/09/2011 | CN101513655B Lifting device for embossing head of embossing calendar |
| 01/26/2011 | EP2277641A1 Device for mounting a piston into a cartridge |
| 01/20/2011 | US20110011149 Methods to provide a feature on a needle |
| 01/05/2011 | CN201693045U Inner drum beading machine of washing machine |
| 01/05/2011 | CN201693044U Cam expanding machine |
| 12/23/2010 | DE102009024847A1 Vorrichtung zur Herstellung wendelförmiger Wellrohre An apparatus for producing a helical corrugated pipes |
| 12/22/2010 | CN201676934U Device for adjusting helical angle of cutter body of finned tube |
| 12/22/2010 | CN201676933U Forming component for spiral pipe forming machine |
| 12/22/2010 | CN201676932U Contact needle structure for spiral pipe forming machine |
| 12/15/2010 | EP2260956A1 Device for producing helix-shaped corrugated pipe |
| 12/01/2010 | CN201659182U Automatic pipe threading machine |
| 12/01/2010 | CN101559447B Thin wall pipe connector and processing method thereof |
| 11/25/2010 | WO2010133214A1 Method for producing sealing elements |
| 11/24/2010 | CN101890447A Fixture for increasing diameter of thick-walled hollow pipe |
| 11/17/2010 | CN201636239U Low-inertia multi-disc pneumatic friction clutch arranged on large plate shearing machine |
| 11/17/2010 | CN101885018A Viscoelasto-plastic soft mode forming method of minor-radius corrugated surface thin-wall metal barrel part |
| 10/27/2010 | EP2243567A1 Device for producing pipes corrugated at right angles to their cross-section |
| 10/27/2010 | EP2242594A1 Method for manufacturing a conveyor apparatus and a conveyor apparatus manufactured by the method |
| 10/27/2010 | CN201613293U 一种波纹管机 A corrugated pipe machine |
| 10/27/2010 | CN201613292U 通用管端波纹成形工具 Universal corrugated tube end forming tools |
| 10/27/2010 | CN201613291U 波节管拉制装置 Wave Festival tube pulling apparatus |
| 10/27/2010 | CN101428313B End sheath for processing copper corrugated pipe |
| 10/13/2010 | CN101856687A Current-assisted titanium and titanium alloy corrugated pipe single-bellow continuous forming device and method |
| 10/13/2010 | CN101487257B Porthole connection section of combined anchor bar and its manufacturing process |
| 10/07/2010 | DE102005063359B4 Double wall pipe for refrigeration unit of air conditioning system in vehicles, has helical grooves extending along longitudinal direction of inner pipe which is inserted into outer pipe |
| 10/06/2010 | EP2236227A2 Reforming tool with a rotatable base body |
| 10/06/2010 | EP2236224A2 Reforming tool with a rotatable base body |
| 09/29/2010 | CN101239365B Car drive shaft corrugated tube forming equipment |
| 09/29/2010 | CN101180142B Method for straightening an eccentric shaft |
| 09/15/2010 | EP2228613A2 In-line heat-exchangers and methods of forming the same |
| 08/18/2010 | CN201552223U Metal embossing calendar |
| 08/18/2010 | CN201552222U Integral spiral finned tube hot rolling device |
| 08/11/2010 | CN101497091B Steel drum W-shaped beading machine |
| 08/04/2010 | CN201537649U Float-type embossing calendar device for metal extruder |
| 08/04/2010 | CN101793475A Heat transfer tube and method for its production |
| 07/27/2010 | US7761993 Method for increasing the fatigue life of a blade root of a turbomachine blade |
| 07/14/2010 | EP2206435A2 Press-formed shape, in particular a smoking rod, and method of manufacturing thereof |
| 07/14/2010 | CN101776184A Double-layer metal pipe and manufacture mold and manufacturing method thereof |