| Patents for B21D 15 - Corrugating tubes (1,257) |
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| 10/09/2013 | CN101975331B Aluminum alloy pipe for fixation roller or transmission shaft main body and manufacturing method thereof |
| 10/03/2013 | WO2013143512A1 Process and apparatus for the incremental bending of profile tubes, in particular of profile tubes having cross sections which vary over the longitudinal axis |
| 10/02/2013 | EP2643625A2 Pipe element having shoulder, groove and bead and methods and apparatus for manufacture thereof |
| 10/02/2013 | CN203221096U Bent air duct forming machine |
| 10/02/2013 | CN103331350A Cold expanding former |
| 09/25/2013 | CN203209505U Metal elbow bulging rib forming device |
| 09/25/2013 | CN103316978A Thick-wall large-diameter multi-wave expansion joint manufacturing method |
| 09/24/2013 | US8539806 Roll forming method for producing longitudinally toothed profiled bodies in pot-shaped cylindrical workpieces |
| 09/17/2013 | US8533924 Process for producing a pressure vessel |
| 08/28/2013 | CN203155784U Light suspension pressure machine tool |
| 08/21/2013 | CN103256386A Inner cavity radial sealing structure in corrugated pipe molding process |
| 08/21/2013 | CN103252416A Hydraulic or pneumatic drive mold parting mechanism of parting-closing mold for corrugated pipe molding |
| 08/21/2013 | CN103252415A Hydraulic or pneumatic drive locking mechanism of parting-closing mold for corrugated pipe molding |
| 08/21/2013 | CN103252414A Positioning and mold parting hydraulic cylinder sleeved combination type installing structure of corrugated pipe hydraulic molding machine |
| 08/21/2013 | CN103252408A Combined bellows molding die sheet with bolt connection structure |
| 08/21/2013 | CN103252407A Hydraulic drive splitting and combining type forming mold structure for corrugated pipes |
| 08/21/2013 | CN103252395A Inner cavity water filling structure in corrugated pipe molding process |
| 08/21/2013 | CN103252394A Corrugated pipe hydraulic molding machine |
| 08/21/2013 | CN103252393A Water-filling and guiding structure in corrugated pipe molding process |
| 08/15/2013 | US20130205858 Device for undulating a pipe consisting of metal |
| 08/14/2013 | CN203124510U Hydraulic volume control molding device for metal bellows |
| 08/14/2013 | CN103240315A Rib rolling machine for metal sheet pipe |
| 08/06/2013 | US8499602 Decorative hollow tubing for use in furniture manufacture and method for manufacturing |
| 08/06/2013 | US8499600 Clutch assembly with formed retention ring |
| 07/30/2013 | US8495902 Crimping device |
| 07/25/2013 | DE102013200624A1 Elektrohydraulischer Niet und Verfahren zum Nieten und Schweissen von Teilen Electro-hydraulic rivet and method for riveting and welding parts |
| 07/23/2013 | US8491649 Medical device including corrugated braid and associated method |
| 07/17/2013 | CN102274902B Rotating tray mechanism of corrugated pipe forming machine |
| 07/10/2013 | CN103191979A Combined cutting tool for processing finned tube |
| 07/10/2013 | CN103191964A Servo direct-drive type incremental rolling forming process for cylindrical piece with teeth inside and outside |
| 07/10/2013 | CN102397927B Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof |
| 07/03/2013 | CN203030691U Automatic tooth-rolling machine for processing thin cylinder body workpiece |
| 07/03/2013 | CN203030690U Novel device for rolling reinforced ribs with barrels |
| 07/02/2013 | CA2640673C Rolling tool with integrated drawing stage |
| 06/26/2013 | CN101351323B Method and apparatus for manufacturing a wrap-around tube |
| 06/19/2013 | CN203002882U Vertical multiwave one-step forming device for medium-caliber corrugated pipe |
| 06/19/2013 | CN203002881U Locating forming structure of can making machine |
| 06/19/2013 | CN103157710A Rib-bulging equipment for steel tube |
| 06/18/2013 | US8465235 Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 06/13/2013 | WO2013085382A1 Steel drum and method for manufacturing such a steel drum |
| 06/13/2013 | DE102007063361B4 Vorrichtung zur Herstellung eines Blechwerkstückes mit einer zylindrischen innen und außen zahnartig profilierten Wand An apparatus for producing a sheet metal workpiece having a cylindrical inside and outside tooth-like profiled wall |
| 06/12/2013 | CN202984382U Horizontal type roller forming device of heavy-caliber corrugated pipe |
| 06/05/2013 | CN202963145U Automatic rib rolling machine |
| 06/05/2013 | CN102176987B Method of profiling a tube of given length |
| 05/29/2013 | CN202951746U Automatic rib rolling machine |
| 05/29/2013 | CN101885018B Viscoelasto-plastic soft mode forming method of minor-radius corrugated surface thin-wall metal barrel part |
| 05/23/2013 | WO2013072414A1 Method and device for producing profiled elements with a positionally adjustable, longitudinally-oriented shaped section |
| 05/22/2013 | EP2594346A1 Device and method for manufacturing profiles with form that have variable position and are oriented in the length direction |
| 05/22/2013 | CN202943118U Double-end metal helical corrugated tube molding device |
| 05/22/2013 | CN103112652A Metal bottle cover suitable for decoration piece installation and manufacture method thereof |
| 05/15/2013 | CN202933994U Device for processing finned copper pipe with spiral convex ribs |
| 05/15/2013 | CN103100588A Exhaust gas recirculation (EGR) cooler threaded pipe forming device |
| 05/10/2013 | WO2013012097A3 Forming system for working material, and, forming method for working material |
| 05/08/2013 | DE102011117962A1 Werkzeug und Verfahren zum Fügen von Materiallagen Tool and method for assembling material layers |
| 05/08/2013 | CN103084455A Corrugated pipe one-step molding processing method |
| 05/08/2013 | CN103084454A Automatic thread rolling machine and method of fixed-point simultaneous automatic thread-rolling machining of thin cylinder work piece |
| 05/07/2013 | US8434207 Corrugated conduit and method of expanding to form a lined tubular member |
| 05/01/2013 | CN103071710A Hydraulic volume control forming device for metal corrugated pipe |
| 04/24/2013 | CN202893927U Corrugated pipe forming machine |
| 04/24/2013 | CN202893926U Device for forming exhaust gas recirculation (EGR) cooler threaded pipe |
| 04/24/2013 | CN103056207A Large-diameter multilayer metallic corrugated pipe forming die and manufacturing method thereof |
| 04/17/2013 | CN103042087A Process and device for molding small-bore hydraulic bellows |
| 04/17/2013 | CN103042086A Method for lowering formation external pressure tonnage of bellows expansion joint by reducing sectional area of cylinder |
| 04/17/2013 | CN103042085A Method for forming nonferrous metal corrugated pipes such as titanium, zirconium and hafnium corrugated pipes |
| 04/17/2013 | CN103042084A Forming device for bosses in middles of metal pipes |
| 04/10/2013 | CN202861082U Processing device for convex ring of small-diameter thin-walled metal pipe |
| 04/03/2013 | CN102248051B Device for rolling outer conductor of corrugated tube |
| 03/27/2013 | CN102989853A Device for corrugating a metal tube |
| 03/27/2013 | CN102989852A Automatic rib rolling machine |
| 03/26/2013 | US8406590 Apparatus for manufacturing an optical cable and cable so manufactured |
| 03/21/2013 | DE102005052974B4 Doppelwandiges Rohr Double-walled |
| 03/20/2013 | CN202803864U Tubular product protruding grain machining device |
| 03/20/2013 | CN102179664B Combined plastic forming method of automobile hub and matching forming mold of automobile hub |
| 03/14/2013 | DE102009049573B4 Verfahren zum Herstellen einer strukturierten Materialbahn mit abgekanteten Teilflächen, nach dem Verfahren hergestellte abgekantete, strukturierte Materialbahn und Verwendung derselben A method for producing a structured material sheet with beveled surface portions, bent, structured web of material produced by the method and using the same |
| 03/13/2013 | EP2567762A1 Device for corrugating a metal tube |
| 03/07/2013 | WO2013033134A1 Spin forming method |
| 03/07/2013 | WO2013029842A1 Method for producing a thread part as a composite part, ball screw drive, linear actuator, electromechanical brake booster with such a composite part |
| 03/07/2013 | CA2846838A1 Spin forming method |
| 02/13/2013 | CN202725728U Forming machine for spiral bellows |
| 02/13/2013 | CN202725727U Corrugated pipe mould pressing device |
| 02/13/2013 | CN102921785A Method and device for processing copper tube with spiral rib fin |
| 02/06/2013 | EP2554292A1 Conduit element with surface structure and method for production and use of such a conduit element |
| 02/05/2013 | US8365564 Ring rolling mill and ring rolling method |
| 01/30/2013 | CN202701078U Corrugated pipe check spring shaping device |
| 01/24/2013 | WO2013012097A2 Forming system for working material, and, forming method for working material |
| 01/24/2013 | WO2013011595A1 Method for forming metal bellows for bulge processing, and device for forming metal bellows |
| 01/23/2013 | CN202683708U Molding device of metal spiral corrugated pipes |
| 01/23/2013 | CN202683707U Manufacturing machine for corrugated pipe |
| 01/17/2013 | US20130014554 Craft bead roller |
| 01/16/2013 | CN202667414U Corrugated pipe molding middle die without outer ring |
| 01/13/2013 | CA2782445A1 Method for producing a profile from a sheet-metal strip |
| 01/09/2013 | CN202656502U Thin-plate movable big-mesa hydraulic press working table special for corrugated pipe |
| 01/09/2013 | CN102861804A Process and device for rolling reinforcing ribs of aluminum pipe |
| 01/08/2013 | US8347505 Method for fabricating a cylindrical spring by compressive force |
| 01/08/2013 | CA2615220C Method for producing internal and external toothings on thin-walled, cylindrical hollow parts |
| 01/02/2013 | CN102114508B Rolling mould and process for manufacturing variable section heating body of 24-kW voltage stabilizer in nuclear power plant |
| 01/02/2013 | CN101676044B Molding processing device of metal spiral welded pipe |
| 12/26/2012 | CN202621670U Device for processing inner hole expanded convex ring of metal thin wall pipe fitting |
| 12/26/2012 | CN202621669U Device for producing wave node pipe |
| 12/19/2012 | CN202606608U Tool for machining expansion joint on pipe fitting |