| Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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| 02/13/2008 | CN201020493Y Rolled steel bending machine with good security |
| 02/06/2008 | CN201015780Y Large torsional moment tube bender head waving and rotating frame for the hydraulic driving |
| 02/06/2008 | CN100366357C Pipe bender |
| 02/05/2008 | US7325437 Long reach press |
| 02/05/2008 | US7325431 Clamp assembly for bend arm of tube bending machine |
| 01/31/2008 | US20080022748 Crimping tool for pipe fittings |
| 01/31/2008 | US20080022741 Metal Spinning Method and Apparatus |
| 01/31/2008 | US20080022625 Method of forming joints of non-cylindrical tubing |
| 01/30/2008 | CN201012537Y Device for flexing plastic pipe |
| 01/30/2008 | CN201012371Y Stainless steel tube bender |
| 01/30/2008 | CN201012368Y Electricity-saving labour-saving multifunctional lapping machine |
| 01/30/2008 | CN101112712A Pipe bender |
| 01/30/2008 | CN101112711A Pipe bender |
| 01/23/2008 | CN201008927Y Automatic discharge mechanism of section bar cylinder rolling machine |
| 01/23/2008 | CN201008907Y Inclination angle type revolving base |
| 01/23/2008 | CN201008906Y Check ring coiling machine combined sliding block mechanism |
| 01/17/2008 | US20080011040 Bend-straightening machine with vertically movable table |
| 01/16/2008 | CN100361761C Digital control pipe bending machine |
| 01/16/2008 | CN100361760C Pipe-bending processing device |
| 01/10/2008 | DE19630023B4 Einrichtung zum Verformen von stabförmigen Bauteilen Means for deforming rod-shaped components |
| 01/09/2008 | EP1875974A2 Pipe bending machine with a position sensor of a movable support member, a position sensor of a bending member and indicator of such positions |
| 01/09/2008 | CN201002113Y High precision curvature measuring and controlling device |
| 01/09/2008 | CN101100031A Heat forming technology for automobile stable bar with complex end |
| 01/03/2008 | DE102006048915B3 Tube bending device useful for bending tubes up to 180 deg, especially in difficult to access places ensures exact bending of tubes with allowance for spring recovery force |
| 01/03/2008 | DE102006029749A1 Bending and pressing wheel set arrangement for pipe-bending machine has both lower bending and pressing wheel sets driven by two-sided motor via linear transmission |
| 01/02/2008 | CN200998745Y Flexible forming apparatus for processing three-dimensional piece by employing bendable roller |
| 01/02/2008 | CN200998744Y Normal line measuring apparatus for numerical control rib cold bending machine |
| 01/02/2008 | CN200998743Y Hydraulic full-automatic pipe bender |
| 01/02/2008 | CN200998742Y Portable multi-size pipe bender |
| 01/02/2008 | CN200998741Y Valve cock bending apparatus |
| 01/02/2008 | CN200998740Y Numerical control electric-hydraulic servo lead bender |
| 01/02/2008 | CN101096041A Crease-shedding die set for pipe bending machine |
| 01/02/2008 | CN101096040A Die set for pipe bending machine |
| 01/02/2008 | CN101096037A Rotating mechanism of pipe bending machine |
| 12/26/2007 | CN200995238Y Vertical bending machine |
| 12/25/2007 | US7310989 Hydraulic circuit for linearly driving a movable roller-holder slider of a pipe bending machine |
| 12/25/2007 | US7310987 Bend-straightening machine with vertically movable table |
| 12/25/2007 | US7310984 Forming apparatus for precambered metal sections |
| 12/20/2007 | US20070289353 Clamping Tool |
| 12/19/2007 | CN200993743Y High precision coil position automatic adjusting device |
| 12/19/2007 | CN200991728Y Steel-ring rim rolling-shape machine |
| 12/19/2007 | CN101088649A Pipe turning mechanism of pipe bender |
| 12/12/2007 | EP1863604A2 Device for the free forming and bending of longitudinal profiles, particularly pipes, and a combined device for free forming and bending as well as draw-bending longitudinal profiles, particularly pipes |
| 12/12/2007 | CN200988064Y Automobile section steel rim rolling machine |
| 12/12/2007 | CN101085458A Portable electric pipe bender |
| 12/11/2007 | CA2463371C Flattened u-bolt and method for making said u-bolt |
| 12/06/2007 | DE19614196B4 Verfahren und Vorrichtung zur Herstellung eines Rohres Method and apparatus for manufacturing a pipe |
| 12/06/2007 | DE102006025746A1 Dornschaft-Wechselbiege-Werkzeug The mandrel shaft alternating bending tool |
| 12/05/2007 | CN101081416A Tube bender and method of using same |
| 11/29/2007 | US20070271793 Hybrid Component |
| 11/29/2007 | DE102006024772A1 Bending of spatially semi-finished product from plastic deformable material, comprises repeated stretching of the product in its sector forming areas with increasing radius under plastic flow behavior |
| 11/28/2007 | CN200981082Y Profile bending machine |
| 11/28/2007 | CN101077512A Tube-bending machine rotating-barrel mechanism |
| 11/27/2007 | US7299671 Bending device for bending machine |
| 11/22/2007 | US20070266761 Erickson super straightener |
| 11/22/2007 | DE102006023725A1 Circumferential squeezing device for bar shape workpieces can be used for crcumferential squeezing of hollow or solid sections |
| 11/21/2007 | EP1857309A1 Member for reinforcing vehicle body |
| 11/21/2007 | EP1857195A1 Method of bending processing for metal material, bending processing apparatus, bending processing equipment line and bending-processed produced obtained thereby |
| 11/20/2007 | CA2454301C A control element adapted to prevent an external-flange angle iron from being twisted during its bending |
| 11/14/2007 | CN101069912A Fully-automatic bent-pipe punching machine |
| 11/13/2007 | US7293444 Bending apparatus for rod-shaped and tubular workpieces |
| 11/08/2007 | US20070256465 Method for the Production of a Flange on a Metal Blank, and Transmission Part |
| 11/07/2007 | EP1631399B1 Method for bending weblike sheet metal profiles having two opposite flanges and a device for carrying out said method |
| 11/07/2007 | CN200970609Y 液压弯管器 Hydraulic bending device |
| 11/07/2007 | CN100346895C Method and device for bending stock tube |
| 11/06/2007 | US7290423 Roller hemming apparatus and method |
| 11/06/2007 | US7290422 Device for free three-dimensional profile forming |
| 11/06/2007 | US7290421 Variable curvature tube and draw die therefor |
| 11/01/2007 | WO2007122346A1 Device for bending tubes or profiled sections with symmetrical structure for two-way bending and machine equipped with same |
| 11/01/2007 | WO2007121985A1 Method for the mechanical tensile bending of bars, more particularly pipes |
| 11/01/2007 | CA2641071A1 Device for bending tubes or profiled sections with symmetrical structure for two-way bending and machine equipped with same |
| 10/31/2007 | EP1849536A1 Bending machine for rod-shaped workpieces like wire or tube |
| 10/31/2007 | CN200967071Y Potable pipe small-angle adjuster |
| 10/31/2007 | CN200967070Y Pipe bending synchronization mechanism of the pipe bender |
| 10/31/2007 | CN200966629Y Deplane angle type sucking tube and the free pipe bender |
| 10/30/2007 | US7287407 Device and method for forming a flanged ring |
| 10/25/2007 | DE102006054119B3 Pipe bending assembly has two-part tool incorporating tongue shaped wrinkle smoother |
| 10/25/2007 | DE102006019321A1 Verfahren zum maschinellen Zugumformungsbiegen von Stäben, insbesondere von Rohren A method of machine Zugumformungsbiegen of bars, in particular pipes |
| 10/25/2007 | DE10050919B4 Verfahren zum Biegen von Metallrohren mit geringem Durchmesser und Vorrichtung hierfür Method of bending metal pipes with a small diameter and apparatus therefor |
| 10/17/2007 | CN200960534Y Bending die for pipe |
| 10/17/2007 | CN200960530Y Speed and position displaying system for side-push following main pipe die of pipe bender |
| 10/11/2007 | DE19781835B4 Verfahren zum Herstellen eines Überrollbügels und Überrollbügel A method for producing a roll bar and the roll bar |
| 10/11/2007 | DE10236373B4 Verfahren zum Biegen eines Füllrohres für ein Airbagmodul und Vorrichtung zur Durchführung dieses Verfahrens A method of bending a filling tube for an airbag module and a device for carrying out this method |
| 10/10/2007 | CN200957435Y Hook arc machine |
| 10/04/2007 | US20070227216 Automated pedicle screw rod bender |
| 10/04/2007 | DE10023637B4 Teilbares Biegewerkzeug Divisible bending tool |
| 10/03/2007 | EP1838471A1 Bending device for long workpieces, especially pipes, and length measuring instrument for a bending device |
| 10/03/2007 | CN200954528Y Photoelectric diode leg forming die |
| 10/02/2007 | US7275406 Bending device |
| 09/27/2007 | DE10236407B4 Vorrichtung zum Biegen von Hohlprofilstäben Device for bending hollow-section bars |
| 09/26/2007 | CN200951441Y Mobile edge pressing head of processing equipment for cold bending shaped materials |
| 09/26/2007 | CN200951440Y Mobile medium pressing head of equipment for cold bending shaped materials |
| 09/26/2007 | CN101044012A High speed bending method of resin tube and three-dimensional bending die employing that method |
| 09/20/2007 | DE112005002470T5 Aluminium-Kontrollarm und Verfahren zur Herstellung desselben Of the same aluminum control arm and methods for preparing |
| 09/19/2007 | CN200948476Y Section bar manual bending device |
| 09/18/2007 | US7269988 Bending machine |
| 09/13/2007 | WO2007102176A1 Device and method for bending a metallic strip |
| 09/13/2007 | WO2007102034A1 Apparatus for manual bending of tubes |
| 09/13/2007 | DE102007008714A1 Bending jig assembly for a cylindrical thermoplastic material e.g. glass or plastic |
| 09/12/2007 | EP1832356A1 Device for bending spring strip sections |