| Patents for B21D 9 - Bending tubes using mandrels or the like (1,513) |
|---|
| 12/16/2008 | US7464572 Process for forming tubular member |
| 12/16/2008 | US7464571 Hydroforming method and mold used for the hydroforming method |
| 12/11/2008 | US20080302164 Method and device for manufacturing pipe connectors |
| 12/04/2008 | US20080295559 Machine for Cambering, Forming, Folding or Bending Bars, Wires or Extruded Shapes |
| 11/27/2008 | WO2008144237A1 Rotary bender with hybrid saddle |
| 11/25/2008 | US7454943 Articulated bending brake for sheet metal forming |
| 11/12/2008 | CN100431779C Formation process with dabber spacer ring |
| 11/06/2008 | US20080271509 Computer controlled flexible rolling machine |
| 10/23/2008 | US20080257004 Bending Device Comprising Compensator Rollers |
| 10/22/2008 | CN201136018Y Filler for hollow section bar forming |
| 10/21/2008 | US7437904 Coldwork tool assembly |
| 10/15/2008 | CN201132192Y Combination molding die |
| 10/08/2008 | CN201127971Y Digital control pipe bender mold for hot bending |
| 10/02/2008 | US20080236240 Tube bender and method of making same |
| 10/02/2008 | US20080236234 Rotary draw tube bender |
| 10/01/2008 | CN101274339A Method for producing metal winding pipe |
| 09/24/2008 | CN101269390A Hollow rack manufacturing method and manufacturing apparatus |
| 09/11/2008 | US20080216540 Apparatus and method for curving metal panels |
| 09/11/2008 | DE19512646B4 Verfahren und Vorrichtung zum Fertigbiegen eines vorgebogenen Rohres Method and apparatus for bending a finished pre-bent pipe |
| 09/11/2008 | DE102008003442A1 Dornanker für das Biegen von Rohren Spike anchors for bending pipes |
| 09/10/2008 | EP1654149B1 Vehicle frame having energy management system and method for making same |
| 09/10/2008 | CN101259496A Hydraulic bending machine |
| 09/10/2008 | CN101259495A Core rod device for tube bender |
| 09/10/2008 | CN100417465C Bending apparatus |
| 09/09/2008 | US7421877 Electrohydraulic pressing device and method for operating the same |
| 08/28/2008 | US20080202193 Device for adjusting angle of golf club shaft |
| 08/26/2008 | US7415857 Plate bending machines and methods |
| 08/21/2008 | US20080196472 Apparatus and method for forming inside surface of tube stock |
| 08/20/2008 | CN101244443A Combined shaping mold |
| 08/20/2008 | CN101244437A Method for shaping tube number reducing bend roundness |
| 08/20/2008 | CN100411765C Red copper tube bending method |
| 08/19/2008 | US7412868 Electrohydraulic pressing device and method for operating same |
| 08/19/2008 | US7412867 Tool for working on tubes |
| 08/14/2008 | WO2008098186A2 Apparatus and method for curving metal panels |
| 08/14/2008 | WO2008096449A1 Method of bending processing and bending processing apparatus |
| 08/13/2008 | CN201098709Y Modified structure of copper tube internal screw forming device |
| 08/13/2008 | CN201098708Y Apparatus for forming internal screw of copper tube |
| 08/13/2008 | CN100409961C Automatic pipe bending process of S-shaped pipe and automatic pipe bender of S-shaped pipe |
| 08/07/2008 | WO2008093818A1 Bending method of pipe material and core bar for bending pipe material |
| 08/06/2008 | CN201097237Y Heating temperature control system for bender |
| 08/06/2008 | CN101234466A Vehicle rear axle assembly breast beam production method and special-purpose mold therefor |
| 08/06/2008 | CN101234404A Method for producing metal pipe bend |
| 07/30/2008 | EP1948371A1 Machine for cambering, forming, folding or bending bars, wires or extruded shapes and method using same |
| 07/30/2008 | CN101230934A Method for producing copper pipe water tap |
| 07/29/2008 | US7404310 Mandrel anchor for tube bending |
| 07/24/2008 | US20080173060 Method and apparatus for forming undulating conduit |
| 07/23/2008 | EP1946860A1 Pipe-bending machine mandrel |
| 07/23/2008 | CN201088986Y Cooling device for pipe bending machine |
| 07/23/2008 | CN201088985Y Transformer direction setting device for pipe bending machine |
| 07/22/2008 | US7401490 Raised-center axle and process for forming |
| 07/17/2008 | US20080168820 Pipe-bending machine mandrel |
| 07/16/2008 | CN101219450A Pipe-bending machine mandrel |
| 07/16/2008 | CN100402174C Equipment for extruding longitudinal corrugated pipe |
| 07/10/2008 | WO2008061762A3 Device for clamping hollow profiles |
| 07/10/2008 | US20080163666 Mandrel anchor for tube bending |
| 07/09/2008 | CN101214609A Method for preparing motor vehicle nylon hose shaping mold |
| 07/09/2008 | CN101214516A Technique for producing refrigeration evaporator winding pipe of refrigerator refrigerating device |
| 07/03/2008 | US20080156064 Automatic Bending Machine For Steel Rule Punching Die and the Steel Rule Punching Die |
| 07/02/2008 | CN101209467A Tube bender frame head |
| 07/01/2008 | US7392679 Hydroform tube sealing assembly |
| 06/26/2008 | WO2008074698A1 Device for bending a metallic pipe by winding on a shape roller |
| 06/26/2008 | US20080149315 Tube spacer, method of manufacturing the same, and heat exchanger |
| 06/25/2008 | CN201076879Y Testing device for regulating lateral guide pressure on pipe bender |
| 06/14/2008 | CA2614948A1 Method and apparatus for forming undulating conduit |
| 06/11/2008 | CN201070647Y Crease-resist guide plate device for preventing chemical boat special pipe bending corrugation |
| 06/11/2008 | CN201070646Y Core rod device for preventing oversize of chemical boat special pipe bending ellipse |
| 06/11/2008 | CN101195136A Technique and device for push-making angle fitting by intermediate frequency induction heating |
| 06/10/2008 | US7383716 Tube bender and method of using same |
| 05/29/2008 | WO2008061762A2 Device for clamping hollow profiles |
| 05/28/2008 | CN101185949A Method for using numerically-controlled pipe bender to process heating constant temperature bending pipe |
| 05/21/2008 | CN201061810Y Vertical hydraulic pressure cold bending machine |
| 05/21/2008 | CN201061809Y Vertical hydraulic pressure cold bending machine with lifting mechanism |
| 05/21/2008 | CN101181727A Process for making stainless steel thin-wall seamless elbows |
| 05/15/2008 | US20080110223 Bending device for a tubular member |
| 05/14/2008 | CN100387450C 中空稳定器 The hollow stabilizer |
| 05/07/2008 | CN100386161C Method of bending pipe and apparatus therefor |
| 04/30/2008 | CN100384559C Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe |
| 04/30/2008 | CN100384558C Thin-wall tube curvature-variable push-bending process and die |
| 04/29/2008 | US7363798 Flexible extension for pulling tools |
| 04/24/2008 | US20080092975 Heater core connector |
| 04/23/2008 | CN201049371Y Elbow die |
| 04/23/2008 | CN101166587A Setting tool |
| 04/22/2008 | US7360385 Quick change bend tooling bolster |
| 04/17/2008 | US20080091275 Nonexpandable stent |
| 04/10/2008 | DE102006031503B4 Verfahren und Vorrichtung zum Biegen von Hohlprofilen mit minimalem Biegeradius Method and apparatus for bending hollow profiles with minimal bending radius |
| 04/09/2008 | EP1908536A1 Apparatus for mechanically flowform bending of profiles |
| 04/09/2008 | EP1907147A1 Apparatus and method for forming shaped parts |
| 03/06/2008 | WO2008025884A1 Tool for bending a pipe |
| 02/28/2008 | DE102006040061A1 Method for bending of hollow sections or tubes by flexible rod, comprises configuring the diameter of rod for the adjustment of workpiece of different diameter and/or for inserting and/or removing into and/or from workpiece to be bent |
| 02/20/2008 | CN101128281A Reconfigurable tools and/or dies, reconfigurable inserts for tools and/or dies, and methods of use |
| 02/20/2008 | CN101126552A Anti-freeze type heat collecting board core and its making method |
| 02/14/2008 | DE10229652B4 Schlitten für Rohrbiegemaschine Carriage for tube bending machine |
| 02/12/2008 | US7328601 Precision degree pipe bender |
| 01/10/2008 | WO2008003674A1 Method and device for bending hollow profiles with minimal bending radius hollow profile produced thereby and use thereof |
| 01/10/2008 | DE102006031503A1 Verfahren und Vorrichtung zum Biegen von Hohlprofilen mit minimalem Biegeradius Method and apparatus for bending hollow profiles with minimal bending radius |
| 01/09/2008 | EP1874494A2 Setting tool |
| 01/02/2008 | CN101096038A Multi-stage loose-core for pipe bending machine |
| 01/01/2008 | US7313939 Hydroforming machine and a method of hydroforming |
| 12/25/2007 | US7310987 Bend-straightening machine with vertically movable table |
| 12/11/2007 | US7305860 Method for tube forming |