| Patents for B21D 3 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts (4,094) |
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| 08/18/2004 | CN2633456Y Automatic steel splitting device |
| 08/04/2004 | EP1200212B1 Apparatus and method for re-shaping brake cores |
| 07/28/2004 | CN1159120C Method for calibrating U shape steel plate piles |
| 07/28/2004 | CN1159119C Weight process of drawing and straightening hot extruded shapes |
| 07/07/2004 | CN2623369Y Steel tube aligning and scaling machine |
| 06/24/2004 | US20040118175 Fixture for holding metals parts for bending or twist correction |
| 06/23/2004 | EP1429886A1 Synchronized tubular friction welding arrangement |
| 06/10/2004 | US20040107756 Straightening system for tubing |
| 06/02/2004 | EP1424145A2 Device for restoring the centering of tire rims |
| 06/02/2004 | EP1423218A1 Method and apparatus for distorting a workpiece |
| 05/26/2004 | EP1421289A1 True vehicle running center shaft assembly system |
| 05/26/2004 | EP1421288A1 Shaft truing system |
| 04/08/2004 | DE10219271A1 Richtmaschine mit klemmbarer Pinole Straightener with clampable Pinole |
| 03/31/2004 | EP1402966A2 Apparatus for straightening iron rods with final correction unit |
| 03/25/2004 | WO2004025214A1 Method and apparatus for measuring shape of tube body |
| 03/25/2004 | WO2004024360A1 Device for checking and regulating wire wheels |
| 03/24/2004 | CN1142838C Method for forming sheet metal strip |
| 03/18/2004 | US20040050135 Axle straightening press |
| 03/18/2004 | US20040050131 Straightening roller assembly for section reducing a steel tube to achieve excess fiber length of an elongate bundle of optical fibers contained within the tube |
| 03/17/2004 | EP1398093A1 Apparatus for repairing and servicing rims and brake discs of vehicle wheels |
| 02/26/2004 | US20040035163 Apparatus and method of correcting deformation of gas turbine blade |
| 02/26/2004 | CA2438289A1 Straightening system for tubing |
| 02/24/2004 | US6694792 Substrate treatment process |
| 02/18/2004 | CN2603713Y T-type rib clamping fixture |
| 01/29/2004 | DE19604325B4 Verfahren zur Herstellung einer Lagerschale oder Buchse oder Rolle für eine Kette A process for producing a bearing shell or bush or roller for a chain |
| 01/22/2004 | US20040011415 Compression pipe repairing and reinforcing methods |
| 01/21/2004 | CN1469031A Assembling camshaft for engine and producing method thereof |
| 01/14/2004 | CN2598677Y Reinforcing steel twist preventing mechanism of reinforcing steel straightening machine |
| 01/14/2004 | CN2598676Y Multifucntional steel pipe straightener |
| 01/14/2004 | CN2598675Y Pressure-resistant rib straightening machine |
| 12/24/2003 | CN2593926Y Welding calibrating apparatus |
| 12/18/2003 | US20030230260 Assembled camshaft for engine and production method thereof |
| 12/18/2003 | US20030229983 Method for the manufacture of bundles of metal sheets of annular shape |
| 12/17/2003 | EP1371816A2 Assembled Camshaft for Engine and Production Method Thereof |
| 12/17/2003 | CN2592302Y Correction apparatus of crankshaft deformation for engine |
| 12/10/2003 | EP1105230B1 Method for forming sheet metal strip |
| 12/10/2003 | CN2590691Y Stretch straightening machine for aluminium section bar extrusion production line |
| 11/27/2003 | WO2003097270A1 Feeding duct for a straightening machine |
| 11/26/2003 | CN2587544Y Steel pipe cleaning and dust removing straightening machine |
| 11/19/2003 | CN1456399A Aligning method and special roller for integral key shaft |
| 11/13/2003 | WO2003092923A1 Straightening machine having clampable quills |
| 11/12/2003 | EP0795364B1 Method of correcting u-shaped steel sheet pile |
| 11/11/2003 | CA2265576C Method and apparatus for heat treating and straightening structural members |
| 11/05/2003 | CN1126878C Method for adjusting diaphragm spring |
| 10/29/2003 | CN2582773Y Portal type universal metal shape material straightening machine |
| 10/22/2003 | CN2581094Y Heat extruding straightener for anode steel jaw |
| 10/22/2003 | CN1449875A Method and equipment for straightening deformed bended work piece |
| 10/16/2003 | WO2003084695A1 Device and method for straightening semi-finished products |
| 10/15/2003 | CN2579546Y Correction mechanism for C-shape steel purlin forming machine |
| 10/09/2003 | WO2003082495A1 Cold diameter reduction press molding method of metal pipe and metal pipe molded by that method |
| 10/09/2003 | US20030188567 Lip forming tool for firearm magazines |
| 10/09/2003 | US20030188565 Mobile flange press and method |
| 10/02/2003 | WO2003081060A1 Shaft truing system |
| 10/02/2003 | CA2457046A1 Shaft truing system |
| 09/18/2003 | US20030172703 Section straightening machine |
| 09/04/2003 | WO2003072965A1 True vehicle running center shaft assembly system |
| 09/04/2003 | CA2457190A1 True vehicle running center shaft assembly system |
| 08/27/2003 | EP1338351A1 Method of correcting U-shaped sheet pile |
| 08/26/2003 | US6609404 Tool for locally forming a horizontal workpiece |
| 08/20/2003 | CN2566955Y Equipment for straightening deformed bending workpiece |
| 08/14/2003 | WO2003066271A1 Synchronized tubular friction welding arrangement |
| 08/14/2003 | CA2457874A1 Synchronized tubular friction welding arrangement |
| 08/05/2003 | US6601423 Fabrication of bent tubing |
| 07/31/2003 | WO2003061866A1 Method for deep rolling and dressing crankshafts |
| 07/30/2003 | CN2562895Y Steel bar straightening cutter |
| 07/30/2003 | CN1116134C Method and device for mfg. ring metal sheet group |
| 07/23/2003 | CN2561530Y Precisive flat steel calibrator |
| 07/23/2003 | CN1431063A Duplex type machine for straightening and cutting off reinforcing steel bars |
| 07/03/2003 | DE10144135C1 Straightening press for elongate workpieces has guide rail for movable press head to align work over five metres long |
| 07/01/2003 | US6584672 Method for the manufacture of bundles of metal sheets of annular shape |
| 06/12/2003 | US20030106666 Method for the blasting calibration of a chill mold |
| 06/11/2003 | EP1317979A1 Method for calibrating a casting mould by explosive reforming |
| 06/11/2003 | CN1422713A Method for blasting and finishing mould |
| 06/07/2003 | CA2412655A1 Method for the blasting calibration of a chill mold |
| 06/05/2003 | WO2003045601A1 Device for production of a tube |
| 05/28/2003 | DE10153144C1 Device, for producing a polygonal pipe, comprises a pipe-welding unit, a roller unit, and a camber roller unit located downstream of the roller unit and having convex rollers on opposite-lying pipe sides |
| 05/21/2003 | EP1200212A4 Apparatus and method for re-shaping brake cores |
| 05/20/2003 | CA2285246C Multiple bar straightening and cutting system in bar steel rolling line |
| 05/07/2003 | EP1218122B1 Straightening machine for straightening elongated bodies |
| 05/07/2003 | EP0876228B1 Process and device for producing pipes as per the uoe-process |
| 05/01/2003 | WO2003035297A1 System for removing dents from metal |
| 05/01/2003 | US20030079590 Tube straightener and drive therefor |
| 04/23/2003 | CN1411925A Plate and band material roll gap adjustable flattening machine |
| 04/16/2003 | CN1410181A Correcting unit for engine crank shaft deformation and correcting method |
| 03/26/2003 | EP1294503A1 Section straightening machine |
| 03/26/2003 | CN2541076Y C-type steel make-up machine |
| 03/12/2003 | CN1102870C Distortion removal method |
| 02/13/2003 | WO2003011493A1 Method and apparatus for distorting a workpiece |
| 01/23/2003 | DE29724701U1 Cross-roller straightening machine - has free end faces on rollers, which are at small relative distances |
| 01/22/2003 | EP1276572A2 Methods and apparatus for retrofitting compressible flanges |
| 01/22/2003 | CN2531895Y Plate shape corrector for purlin moulding machine |
| 01/15/2003 | CN2530746Y Hot rolling twisted steel straightening cut-off machine |
| 01/15/2003 | CN2530745Y Semi automatic reinforcing steel straightening cut-off |
| 01/08/2003 | CN2529713Y Rotary module straightening rotary drum |
| 12/31/2002 | US6499332 Wheel alignment apparatus for bending front axles |
| 12/19/2002 | DE10226428A1 Roller leveling machine used in rolling mills comprises a roller packet having rollers driven by a drive unit connected to the rollers by a coupling |
| 12/17/2002 | US6494353 Tube feeding apparatus |
| 12/11/2002 | CN2524856Y Straightening mechanism for hot rolling ribbed steel bar coil decoiling straightening and cutting machine |
| 12/11/2002 | CN2524855Y Straightening mechanism for hot rolling screw steel rod straightening and cutting machine |
| 12/10/2002 | US6490900 Pipe gauging and rounding apparatus and method |