| Patents for B21D 9 - Bending tubes using mandrels or the like (1,513) |
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| 06/29/2005 | EP1547702A1 Apparatus and method for bending multi-channel tubes |
| 06/15/2005 | EP1539392A1 Guide support for a tube-bending machine |
| 06/15/2005 | CN1626294A Bender |
| 06/08/2005 | EP1536896A1 Bending machine and tube support and drive device thereof |
| 06/07/2005 | US6901784 Countersinking tool |
| 06/01/2005 | CN1621173A Material feeding mechanism of automatic pipe bender |
| 05/25/2005 | EP1389149B1 Tool for a bending machine |
| 05/25/2005 | DE202005004818U1 Pipe or tube bending device has a hollow bolt, center spike, bending flange with lower and upper parts supported on the bolt and spike respectively and a control bush coupled to a bending mechanical drive |
| 05/18/2005 | CN2700017Y Roller extruding and radium crinkling former for thin wall type pipe |
| 05/11/2005 | CN2698482Y Pipe bending and elbow producing two cylinders double-purpose machine |
| 05/11/2005 | CN2698481Y Pipe bending and elbow producing four cylinders double-purpose machine |
| 05/11/2005 | CN2698480Y Drive device for a die-clamping holder of a pipe bender |
| 05/05/2005 | US20050092053 Grille and method and apparatuses for manufacturing it |
| 04/26/2005 | US6883360 Tube bender and method of using same |
| 04/21/2005 | DE10322567B4 Method for bending a pipe uses rotationally mounted bending jaw to bend pipe into die in lower tool |
| 03/23/2005 | CN2686760Y Support for wrinkle working for metal corrugated pipe |
| 03/17/2005 | WO2005023448A1 Device and method for bending pipe material |
| 03/17/2005 | DE10338187A1 Verfahren und Vorrichtung zum Biegen und Umformen von Profilen durch Walz- oder Matrizenbiegen Method and apparatus for bending and forming of profiles by rolling or Matrizenbiegen |
| 02/23/2005 | CN2680367Y Plate and pipe bending device |
| 02/23/2005 | CN1583311A Double-layer pipe bending method |
| 02/17/2005 | WO2005014195A1 Method and device for bending and reshaping profiles by means of roller bending or matrix bending |
| 02/15/2005 | US6854313 Tube crimping/bending apparatus |
| 02/02/2005 | CN2675287Y Cold bending composite roller extrusion-forming machine |
| 01/27/2005 | US20050016239 Pipe bending machine |
| 01/25/2005 | CA2215109C Combined processing apparatus |
| 01/19/2005 | CN1185470C Method for bend measuring tube |
| 01/12/2005 | CN1562516A Roll extruding forming machine for reducing diameter of profiled tube in thin wall |
| 01/05/2005 | EP1265719B1 Use of pipes consisting of titanium zinc conforming to en 988 and a bending method for producing pipe bends |
| 01/05/2005 | CN1559717A Method for correcting workpiece crosssection shape of pipe bended by pipe bending machine |
| 12/30/2004 | US20040262899 Gas supply tube and method of making same |
| 12/30/2004 | US20040261490 Core bar for bending of a pipe and method of bending of a pipe |
| 12/29/2004 | EP1490186A1 Bending machine for profiles and circular pipes |
| 12/23/2004 | US20040257589 Method and device for determining the spatial geometry of a curved extruded profile |
| 12/23/2004 | US20040256095 Mandrel for bending |
| 12/23/2004 | US20040255638 Mandrel for bending |
| 12/23/2004 | DE10325036A1 Verfahren und Vorrichtung zum Herstellen von Biegeprofilen Method and device for producing of bending profiles |
| 12/23/2004 | DE10322567A1 Method for bending a pipe uses rotationally mounted bending jaw to bend pipe into die in lower tool |
| 12/22/2004 | EP1488867A1 Mandrel for bending |
| 12/22/2004 | EP1488866A2 Mandrel for bending |
| 12/09/2004 | WO2004105975A1 Method and device for bending material tube |
| 12/09/2004 | US20040244453 Device and method for bending profiles |
| 12/09/2004 | DE10320106A1 Gasführungsrohr aus Metall für Luftsäcke von Kraftwagen und Verfahren zu dessen Herstellung Gas guide tube made of metal for air bags of motor vehicles and method for its manufacture |
| 12/08/2004 | EP1484123A1 Method and apparatus for manufacturing a bent profile |
| 12/02/2004 | WO2004103600A1 Multiple tube, and method and apparatus for manufacturing multiple tube |
| 11/25/2004 | US20040231394 Method and device for bending a cylindrical tube or the like |
| 11/10/2004 | EP1475277A1 Metal gas guiding duct for a vehicle airbag and method of making same |
| 11/09/2004 | US6813920 Method for producing a bumper reinforcement |
| 11/03/2004 | CN2652548Y Two-way inverse bend cored full hydraulic pipe bending machine |
| 10/27/2004 | CN1539660A 中空稳定器 The hollow stabilizer |
| 10/14/2004 | WO2004035241A3 Device for free three-dimensional profile forming |
| 09/30/2004 | DE10312072A1 Deformation method for flat sheet metal, involves deforming flat sheet by movement of upper and lower curved supports toward each other, and while flat sheet metal is supported by mandrel |
| 09/29/2004 | EP1461169A1 Device and method for bending profiles |
| 08/18/2004 | CN2633460Y New filling type copper tube |
| 08/12/2004 | US20040154366 Tool for a bending machine |
| 07/29/2004 | WO2004062836A2 Lubricants suitable for hydroforming and other metal manipulating applications |
| 07/29/2004 | CA2512682A1 Lubricants suitable for hydroforming and other metal manipulating applications |
| 07/27/2004 | US6766678 Process for deforming a piece of thin-walled metal tube |
| 07/22/2004 | DE19833006B4 Verfahren und Vorrichtung zur Herstellung rohrförmiger gebogener Hohlkörper durch Innenhochdruckumformen Method and apparatus for producing curved hollow tubular body by internal high-pressure forming |
| 06/03/2004 | WO2004012879A3 Tube crimping/bending apparatus |
| 06/02/2004 | CN1151900C Technology for manufacturing elbow pipe with straight segment |
| 05/06/2004 | EP1414600A1 Method and device for bending a cylindrical tube or the like |
| 04/29/2004 | WO2004035244A1 Tube bender and method of using same |
| 04/29/2004 | WO2004035241A2 Device for free three-dimensional profile forming |
| 04/22/2004 | DE10246977A1 Appliance for 3D freeform bending of esp. hollow profiles has turning drive acting on profile to turn it about its longitudinal axis relative to bending sleeve |
| 04/15/2004 | US20040069043 Tube bender and method of using same |
| 04/15/2004 | US20040069040 Bending method and mandrel of multi-layered pipe |
| 03/31/2004 | EP1401595A1 Method and device for determining the spatial geometry of a curved extruded profile |
| 03/18/2004 | DE10240341A1 Verfahren und Vorrichtung zum Induktivbiegen von Rohren Method and apparatus for induction bending of tubes |
| 03/17/2004 | CN1481948A Process for producing the environment-friendly type copper pipe casting |
| 03/03/2004 | EP1393832A1 Method and device for induction-bending of pipes |
| 02/19/2004 | DE10028340B4 Biegevorrichtung und Verfahren zum Einbringen eines Transportschlittens in eine Biegeposition The bending apparatus and method for introducing a transport carriage in a bending position |
| 02/18/2004 | EP1389149A1 Tool for a bending machine |
| 02/17/2004 | US6691726 System and method for using bent pipes in high-purity fluid handling systems |
| 02/12/2004 | WO2004012879A2 Tube crimping/bending apparatus |
| 02/12/2004 | US20040025559 Tube crimping/bending apparatus |
| 01/29/2004 | DE10326554A1 Verfahren zum Herstellen einer Stossstangenverstärkung A method of manufacturing a bumper reinforcement |
| 01/22/2004 | US20040011106 Pipe bending processing apparatus and pipe bending processing method |
| 01/15/2004 | US20040007037 Pipe bending apparatus and method |
| 01/14/2004 | EP1380362A1 Tube bending machine with tube feed and mandrell pull back |
| 01/14/2004 | EP1276573B1 Bending device for thin-walled metal pipes |
| 01/07/2004 | EP1154870B1 Process for deforming a piece of thin-walled metal tube |
| 12/31/2003 | WO2004000479A1 Guide support for a tube-bending machine |
| 12/31/2003 | CA2490000A1 Guide support for a tube-bending machine |
| 12/18/2003 | US20030230129 Method for producing a bumper reinforcement |
| 12/09/2003 | US6658912 Bending block for a bending device |
| 12/04/2003 | WO2003099483A1 Bending machine and tube support and drive device thereof |
| 12/04/2003 | CA2485628A1 Bending machine and tube support and drive device thereof |
| 12/02/2003 | US6655183 Lifting mechanism for a head member of a pipe bender |
| 11/11/2003 | CA2263472C Curved wall and ceiling frame member and method and apparatus for producing the same |
| 10/22/2003 | EP0910486B1 Method and modular-multistation device for folding profiles |
| 10/09/2003 | WO2003082491A1 Bending machine for profiles and circular pipes |
| 09/25/2003 | US20030181340 Liquid-film and solid-film lubricants. The lubricants used in the invention are particularly useful for die-side lubrication. The process includes a step in which a ductile metal part is over-coated with either the liquid-film or solid |
| 08/26/2003 | US6609405 Tube bender and method of using same |
| 08/21/2003 | US20030154756 Bending device for thin-walled metal pipes |
| 07/31/2003 | US20030140677 Curved wall and ceiling frame member and method and apparatus for producing the same |
| 07/15/2003 | US6591656 Process for bending measuring tubes |
| 06/19/2003 | WO2003002280A8 Method and device for determining the spatial geometry of a curved extruded profile |
| 05/15/2003 | US20030089395 System and method for using bent pipes in high-purity fluid handling systems |
| 02/20/2003 | WO2003013755A1 Method and device for bending a cylindrical tube or the like |
| 02/05/2003 | EP1280621A1 Method and apparatus for connecting a fastener element to a wall |