| Patents for B21D 1 - Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling (4,692) |
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| 11/04/1991 | CA2016118A1 Sliding and locking system for a force applying structure on a vehicle straightening device |
| 11/03/1991 | CA2016025A1 Straightening vehicle frame |
| 10/15/1991 | US5056349 Can straightening apparatus |
| 10/09/1991 | EP0269705B1 Car body rectifying means |
| 10/09/1991 | EP0268657B1 Procedure in car body rectifying work and rectifying means arrangement |
| 10/08/1991 | US5054307 Universal base member for securing vehicles for damage repair |
| 10/03/1991 | WO1991014626A1 Container reconfiguring system |
| 10/01/1991 | CA1289938C Vehicle repair rack system |
| 09/11/1991 | EP0446130A1 Installation for straightening |
| 09/10/1991 | US5046345 Power supply for electromagnetic proof load tester and dent remover |
| 09/10/1991 | CA1288750C Adjustable height, self centering vertically stabilized and lockable clamp stand |
| 09/03/1991 | US5044191 Frame pulling bar and tool system |
| 08/21/1991 | EP0442645A2 Method and apparatus for correcting a widthwise bend in an end portion of a hot-rolled sheet-shaped product |
| 08/20/1991 | US5040682 Container reconfiguring system |
| 08/20/1991 | US5040402 Body clamp for an automobile body straightener |
| 08/06/1991 | US5036695 Device for straightening vehicle frame |
| 07/30/1991 | US5035135 Car body frame straightening apparatus |
| 07/23/1991 | CA1286468C Method of preventing expansion-induced wrinkles of plastic film and metal foil |
| 07/17/1991 | EP0436762A1 Method and apparatus for achieving a predetermined yield point and surface roughness during cold-laminating of metallic pre-treated strips |
| 07/16/1991 | US5031438 Apparatus for repairing damaged vehicles |
| 07/13/1991 | CA2033961A1 Method and arrangement for producing a predetermined yield strength and surface roughness of metal strip |
| 07/02/1991 | US5027639 Vehicle collision repair support rack |
| 06/27/1991 | WO1991008847A1 Power supply for electromagnetic proof load tester and dent remover |
| 06/13/1991 | WO1991008063A1 Rectifying means for a car body and procedure in rectifying same |
| 06/05/1991 | CN2078202U Pressing machine for pressure cooker cover |
| 06/04/1991 | US5021265 Roll arrangement for non-deforming treatment of moving web-type products |
| 05/21/1991 | US5016465 Bench mount puller support |
| 05/21/1991 | US5016464 Apparatus for repairing accident-damaged bodies in motor vehicles |
| 05/14/1991 | US5014538 Vehicle chassis clamp |
| 05/01/1991 | CN2075990U Electromagnetic suction cup for flattening |
| 04/23/1991 | CA1283401C Hoisting structure for automotive vehicle |
| 04/04/1991 | WO1991004111A1 Device for fixing a vehicle on a chassis and adjusting its position for repairs |
| 03/27/1991 | EP0419383A1 Device for clamping a vehicle and adjusting its position on a framework in order to repair said vehicle |
| 03/27/1991 | EP0224587B1 Method of correcting warping of two-layer clad metal plate |
| 03/05/1991 | US4997283 Vehicle straightener measuring unit, measuring apparatus reliant on reflected beams, and source, targets and method |
| 02/19/1991 | CA1280340C Process for preventing transverse displacement of metal strip |
| 02/05/1991 | US4989339 Apparatus for use on an alignment bench for aligning and restoring damaged vehicles |
| 01/29/1991 | US4988032 Method for assembling a structural panel in order to prevent the sag thereof |
| 01/23/1991 | EP0408706A1 Body clamp for an automobile body straightener. |
| 01/22/1991 | US4986107 Rack for assembling, inspecting and repairing vehicle bodies |
| 01/22/1991 | US4986102 Electromagnetic dent remover with tapped work coil |
| 01/08/1991 | US4982595 Apparatus for repairing damaged vehicles |
| 01/02/1991 | CN1011032B Rectifying device for car body |
| 01/02/1991 | CA1278499C Procedure in car body rectifying work and rectifying means arrangement |
| 12/27/1990 | EP0404038A2 Line system for maintaining and repairing car bodies |
| 12/12/1990 | CN1010753B Method of preventing say of panel and apparatus therefor |
| 12/04/1990 | US4974434 Controlled shot peening |
| 11/22/1990 | DE3915979A1 Guiding metal strip between pair of rollers - involves fixed rollers and second roller mounted on swinging arm |
| 11/15/1990 | WO1990013372A1 Method for levelling thin strips by stretching and bending |
| 10/31/1990 | DE3913713A1 Finishing, milling and levelling unit for metal sheet and strip - has milling and levelling accomplished without slippage between material and levelling rollers |
| 10/25/1990 | DE3927565A1 Cold hydraulic straightener for platforms, etc. |
| 10/24/1990 | EP0394203A2 Apparatus for straightening deformed parts of bodywork of motor vehicles |
| 10/24/1990 | EP0393301A2 Method and apparatus for continuous straightening of strips, in particular sheet metal strips |
| 10/09/1990 | US4961334 Modular edge conditioner |
| 10/02/1990 | US4959991 Vehicle chassis support |
| 09/11/1990 | US4955224 Adjustable height vehicle frame straightening apparatus |
| 09/11/1990 | CA1273786A1 Method and device for leveling metal strip to be fed into continuous annealing furnace |
| 09/05/1990 | EP0245327B1 Installation for stretch-flattening and longitudinal-slitting of metal strip |
| 08/22/1990 | CN1009280B Method of preventing sag of panel and apparatus therefor |
| 08/21/1990 | US4949569 Container repair apparatus |
| 08/21/1990 | US4949565 Distortion straightening method |
| 08/01/1990 | EP0379533A1 Body clamp for use e.g. in conjunction with an automobile body straightener |
| 07/24/1990 | WO1990007993A1 Body clamp for an automobile body straightener |
| 07/24/1990 | CA2027579A1 Body clamp for an automobile body straightener |
| 07/17/1990 | US4941765 Adjustable height clamping stand |
| 07/17/1990 | US4941343 Method and apparatus for straightening vehicle bodies and frames |
| 07/17/1990 | CA1271800A1 Method of preventing sag of panel and apparatus therefor |
| 07/11/1990 | EP0377219A1 Device for causing the edges of metallic kegs to bulge |
| 07/11/1990 | CN1043675A Method and technology for repeated use of aluminium top-pop-can |
| 07/10/1990 | CA1271402A1 Work rack structure |
| 07/03/1990 | CA1271185A1 Swivel pull tower |
| 06/27/1990 | EP0375630A2 Apparatus for repairing accidented bodies in motor vehicles |
| 06/22/1990 | CA2004119A1 Apparatus for repairing accidented bodies in motor vehicles |
| 06/19/1990 | US4934174 Sheet metal bending tool |
| 06/12/1990 | US4932236 Vehicle repair support rack |
| 06/06/1990 | EP0371280A2 Method of straightening sheet metal, strip, panels, sections, beams, etc. |
| 06/05/1990 | US4930337 Autobody door aligning tool |
| 06/05/1990 | US4930335 Lever-type auto body dent puller |
| 06/05/1990 | US4930333 Vehicle alignment apparatus |
| 05/23/1990 | EP0369402A2 Apparatus for repairing damaged vehicles |
| 05/16/1990 | EP0368234A2 Apparatus for straightening coiled strip material and for inserting the same into the feeding means of a processing machine |
| 05/08/1990 | US4924056 Dent puller and method of use |
| 05/01/1990 | US4920781 Vehicle repair rack system |
| 04/25/1990 | EP0364727A2 Terminal angle straightening device for a bench for straightening and repairing damaged motor vehicle bodies |
| 04/19/1990 | WO1990003858A1 A vehicle repair system |
| 04/17/1990 | US4916933 Installation for the repair and inspection of crash-damaged vehicle bodies |
| 04/17/1990 | US4916930 Apparatus for realigning vehicle body and frame members |
| 04/17/1990 | US4916793 Straightening of unibody frames |
| 04/10/1990 | US4915342 Chain anchor clamp device |
| 04/10/1990 | US4914942 Weld washer for vehicular body dent repair |
| 04/04/1990 | EP0361410A2 Automobile body straightener |
| 03/27/1990 | US4910986 Bicycle wheel rim straightener stand |
| 03/06/1990 | US4905496 Procedure in car body rectifying work and rectifying means arrangement |
| 02/22/1990 | DE3828159A1 Strip roller, especially a bending roller, straightening roller, backing roller or the like |
| 02/07/1990 | EP0353865A1 Straightening of unibody frames |
| 02/06/1990 | US4898019 Vehicle support assembly |
| 02/06/1990 | US4898018 Strut straightening device |
| 02/06/1990 | US4898013 Installation for levelling a metal strip |
| 01/31/1990 | EP0353179A2 Roll fastening for roller straightening machines |
| 01/17/1990 | EP0350671A2 Apparatus for bending or straightening work pieces by plastic deformation |