| 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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| 11/27/2002 | EP1259336A1 A method and apparatus for reduction of embedded or inherent torsional strain in reinforcing steel or the like |
| 11/27/2002 | CN1094805C Shaping device, shaping method for container and making method of container |
| 11/13/2002 | CN1378888A Method for straightening Ti and Ti-alloy sections with small cross-section |
| 11/07/2002 | US20020162373 Straightenting machine for straightening elongated bodies |
| 10/23/2002 | CN2517523Y Universal arbor press for hot-rolled swage |
| 10/22/2002 | US6467510 Pipe formed by bending rolls |
| 10/17/2002 | WO2002081114A1 Method for straightening round rolled stock |
| 10/16/2002 | CN2516287Y Hydraulic steel-tube straightener |
| 10/09/2002 | CN2514950Y Straightening machine for profile |
| 09/12/2002 | DE10111061A1 Device for directing metal sheets and/or strips, especially rods, e.g. rails or double T supports comprises material position determining units assigned to a feed conveyor and arranged between a leveling machine and a collecting conveyor |
| 09/11/2002 | CN2510189Y Five-roll, double-frame progressice straightening and withdrawal straightening machine |
| 08/29/2002 | US20020116979 Wheel alignment apparatus for bending front axles |
| 08/27/2002 | US6439023 Methods and apparatus for retrofitting compressible flanges |
| 08/22/2002 | US20020112517 Apparatus and Method For Removing dents From Metal |
| 08/22/2002 | US20020112516 System For Removing Dents From Metal |
| 08/21/2002 | CN2506366Y Progressive straightening and draw-correcting machine with five-roller assembling frame |
| 08/20/2002 | US6438442 Method for automatic conducting of a straightening process |
| 08/07/2002 | CN1362298A Weight process of drawing and straightening hot extruded shapes |
| 08/06/2002 | US6427513 Process and device for producing pipes as per the UOE process |
| 07/30/2002 | US6425333 Loading car for bulk materials |
| 07/18/2002 | US20020092726 Mounting and dismounting mechanism for a straightening or calibrating roller rotatable about a spindle and provided with a circular groove |
| 07/17/2002 | EP1062062B1 Process and device for straightening wire |
| 07/11/2002 | US20020088264 Hydraulic positioning assembly for cold rolling tubes |
| 07/10/2002 | CN1357419A Horizontal steel wire drawing bench with tetradic drawing plate |
| 07/03/2002 | EP1218122A1 Straightening machine for straightening elongated bodies |
| 07/02/2002 | US6412323 Cross-roll straightener |
| 06/25/2002 | US6408664 Hydraulic positioning assembly for cold rolling tubes |
| 06/25/2002 | US6408663 Method and apparatus for truing crankshafts |
| 06/25/2002 | US6408512 Method of correcting deformed turbine blades |
| 06/19/2002 | EP1214990A2 Machine and process for straightening pieces of small cross section and great length |
| 06/05/2002 | EP1210994A2 Mounting and dismounting mechanism for a straightening or calibrating roller rotatable about a spindle and provided with a circular groove |
| 05/30/2002 | US20020062672 Pipe formed by bending rolls |
| 05/28/2002 | US6393890 Bend-straightening machine with drive unit mounted on top of press frame |
| 05/22/2002 | CN2492324Y Multifunctional steel pipe straightener |
| 05/16/2002 | WO2001070424A3 Methods and apparatus for retrofitting compressible flanges |
| 05/16/2002 | DE10053933A1 To align and straighten permanent way rails, after hot rolling, groups of rollers act on the head and foot of the moving rail to counter any distortion without imposing stresses |
| 05/02/2002 | EP1201329A2 Method and roll straightening device for straightening rails |
| 05/02/2002 | EP1200212A1 Apparatus and method for re-shaping brake cores |
| 04/23/2002 | US6374477 Method for working input shaft for toroidal-type continuously variable transmission |
| 04/18/2002 | WO2002030586A1 Pipe gauging and rounding apparatus and method |
| 04/10/2002 | EP1131173A4 Method and apparatus for reshaping a container body |
| 04/09/2002 | US6367303 Wheel repairing apparatus |
| 04/04/2002 | US20020038665 Substrate treatment process |
| 04/03/2002 | CN2484131Y Multi-roller straightening machine |
| 03/21/2002 | US20020033036 Tube straightener and drive therefor |
| 03/13/2002 | CN1339278A Semi-finished product forming method for plastic metal watch band |
| 03/12/2002 | US6354127 Straightener for rolled ferrous products, having horizontally openable shoulders for fast change of the rolls |
| 03/12/2002 | US6354126 Tube straightener and drive therefor |
| 03/06/2002 | EP1032857B1 Device and method for compressing |
| 02/12/2002 | US6345427 Apparatus and method for re-shaping brake cores |
| 01/22/2002 | US6339946 Pipe forming apparatus and method |
| 01/03/2002 | DE10029387A1 Profilrichtmaschine Section straightening machine |
| 12/27/2001 | WO2001097992A1 Section straightening machine |
| 12/26/2001 | CN2467218Y Multifunction straightening & forming mechanism |
| 12/19/2001 | CN2465832Y Hot rolled ribbed bar straightener |
| 12/19/2001 | CN1326824A distortion correcting method and device for plane body |
| 12/12/2001 | EP1162006A2 A method, a device, and a work piece for producing a heat transfer member |
| 12/12/2001 | CN2464466Y Steel pipe straightening apparatus |
| 12/11/2001 | US6327886 Method, a device, and a work piece for producing a heat transfer member |
| 12/05/2001 | CN2463082Y Traction driving wheel for straightener |
| 11/21/2001 | CN2460238Y Axle pin thread rolling device |
| 11/13/2001 | US6315845 Method of straightening sectional steel while simultaneously minimizing the internal stresses thereof |
| 11/07/2001 | CN1320495A Pipe straightener and its drive device |
| 10/31/2001 | CN1073893C Method of correcting V-shaped steel sheet pile |
| 10/30/2001 | US6308547 Shaft straightening and hardening machine and workpiece holder therefor |
| 10/24/2001 | CN1319036A Method and apparatus for reshaping container body |
| 10/17/2001 | CN2454057Y Leveller special for aluminium-plastic composite tube |
| 10/17/2001 | CN1072991C Correcting machine for rolling supporting beam, Particularly supper beam |
| 10/16/2001 | US6301944 Methods of fabricating mechanized welding wire |
| 10/03/2001 | CN2451253Y Precision single column straightening pressing hydraulic press |
| 09/27/2001 | WO2001070424A2 Methods and apparatus for retrofitting compressible flanges |
| 09/27/2001 | US20010023604 Cross-roll straightener |
| 09/19/2001 | CN2448478Y Straightening disc for curved nail straightening machine |
| 09/19/2001 | CN1313152A Method for calibrating U shape steel plate piles |
| 09/13/2001 | US20010020381 Mechanical pipe expander |
| 09/12/2001 | EP1131173A1 Method and apparatus for reshaping a container body |
| 08/29/2001 | EP1127632A2 A process of straightening fragile pieces |
| 08/28/2001 | US6279367 Multiple bar straightening and cutting system in bar steel rolling line |
| 08/28/2001 | US6279363 Method and device for controlling the deformation of an uncoiled metal pipe |
| 08/23/2001 | WO2001060540A1 A method and apparatus for reduction of embedded or inherent torsional strain in reinforcing steel or the like |
| 08/23/2001 | US20010015153 Loading car for bulk materials |
| 08/22/2001 | EP1125812A2 Bulk goods handling wagon |
| 08/22/2001 | EP1125654A2 Mechanical tube expander |
| 08/22/2001 | CN1309074A Bulk granular material loading vehicle |
| 08/16/2001 | EP1123757A2 Compressed gas quenching of shafts |
| 08/09/2001 | US20010011470 Process and device for producing pipes as per the UOE process |
| 08/09/2001 | DE10004656C1 Wellenricht- und -härtemaschine Wellenricht- and -härtemaschine |
| 08/08/2001 | EP1121995A2 Shaft straightening and hardening machine |
| 08/02/2001 | DE10014741C1 Multistage method, to straighten metal component at at least two points, involves determining deformation ratio of metal component and monitoring straightening using test strokes at reference points |
| 08/02/2001 | DE10000349A1 Straightening machine has an upper roller fitted to a built-in component at the upper yoke with wedge-controlled guide paths and a threaded spindle to give the vertical setting |
| 07/31/2001 | US6266989 Method and machine for straightening sections |
| 07/25/2001 | EP0932462B1 Improved wire straightening device |
| 07/18/2001 | EP1116529A2 Wheel repairing apparatus and wheel repairing method |
| 07/14/2001 | CA2315418A1 Wheel repairing apparatus and wheel repairing method |
| 07/11/2001 | EP1114682A2 Straightening machine with obliquely mounted rolls |
| 07/10/2001 | US6257039 Paper clamp press |
| 07/05/2001 | DE10005969C1 Machine for directing and hardening a corrugated longitudinal workpiece comprises a chamber surrounding the receiving device and the lower rollers so that cold gas can be introduced via nozzles |
| 07/03/2001 | US6253596 Process and device for producing pipes as per the UOE process |
| 07/03/2001 | US6253587 Device and method for compressing |
| 06/26/2001 | US6250129 Apparatus and method for re-shaping brake cores |