| 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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| 04/29/2009 | CN100482374C Arrangement for changing the position of roll-changing guided groove of the flattening roller |
| 04/29/2009 | CN100482373C Automatic multifunction thin sheet forming machine with circular drum by keneading and cutting |
| 04/22/2009 | EP2049278A2 Apparatus and method for restoring the centering of tire rims |
| 04/22/2009 | CN201223890Y Flattener for processing large width plate |
| 04/22/2009 | CN101412054A Method for repairing car body decoration plate or bumper and draw-out tool used by the method |
| 04/22/2009 | CN101412053A Sheet metal draw-out tool |
| 04/22/2009 | CN101412052A Contact seat member module for sheet metal draw-0ut tool and sheet metal draw-out tool using the same |
| 04/22/2009 | CN101412051A Flat repair device |
| 04/22/2009 | CN101412050A Abrasion-proof cast iron roll collar for straightening steel rail and preparation method thereof |
| 04/21/2009 | US7520154 Fender and quarter; puller-popper (for auto body repair) |
| 04/16/2009 | DE102007006809B4 Verfahren und Vorrichtung zum kontinuierlichen Zugrecken eines Metallbandes Method and apparatus for continuous stretch leveling a metal strip |
| 04/15/2009 | EP1506064B1 Threaded connection especially for radially plastically expandable conduit |
| 04/15/2009 | CN201220255Y Atomizing cooling method for straightener roll of straightener |
| 04/15/2009 | CN101406909A Method for configuring centralized transmission gear of large-sized multiple-skew roller flattening machine |
| 04/08/2009 | CN201217023Y Protection fence plate straightening press |
| 04/02/2009 | US20090084150 Circular-shaping device for a rotating part, especially an exhaust housing of a turbo engine |
| 04/01/2009 | CN101396782A Welding flattening device |
| 04/01/2009 | CN101396781A Welding flattening device |
| 03/28/2009 | CA2639865A1 Circular-shaping device for a rotating part, especially an exhaust housing of a turbo engine |
| 03/26/2009 | US20090078015 Closing Method and Closing Machine |
| 03/25/2009 | CN201211607Y Iron tank shearing and flattening integrated machine |
| 03/25/2009 | CN201211542Y Metal pail full-automatic bunghole shaper |
| 03/25/2009 | CN201211535Y Closed metal pail full-automatic shaper |
| 03/25/2009 | CN201211534Y Sheet leveller |
| 03/25/2009 | CN101391273A Straightening machine of inner-tension deformation section steel |
| 03/18/2009 | CN101389417A Method of heating control in steel sheet production line and apparatus therefor |
| 03/18/2009 | CN101386049A Tension leveler array slitter-edge drawing device |
| 03/18/2009 | CN101386024A Stainless steel band production method for mobile telephone |
| 03/11/2009 | CN201205568Y Carbinet body leveling machine |
| 03/11/2009 | CN201205567Y Simple leveling machine for coiling band steel |
| 03/11/2009 | CN201205566Y Hydraulic pressing machine for jack |
| 03/05/2009 | DE102007042197A1 Vorrichtung zum Entfernen von Beulen Device for removing dents |
| 03/04/2009 | EP2029295A1 Unwinding device |
| 03/04/2009 | CN201201018Y Roller way used for steel plate to enter into flattening machine |
| 03/04/2009 | CN201201002Y Platform structure of leveling machine |
| 03/04/2009 | CN101376209A Clamping fixture for correcting total vehicle frame |
| 03/04/2009 | CN101376208A Clamping fixture for correcting vehicle frame |
| 03/04/2009 | CN101376150A Synchronous feeding machine |
| 03/04/2009 | CN101376145A Accurate bump-cutter machine |
| 02/26/2009 | WO2009024223A1 Device and method for combined flat and edge alignment |
| 02/26/2009 | US20090049885 Dent removal tool using rare earth magnets on probe tip to help locate tool tip |
| 02/25/2009 | CN201198081Y Automatic machine-shaping machine for liquid crystal panel frame |
| 02/25/2009 | CN201198013Y Aluminum plate leveling mould for special-shaped curved surface fast forming machine |
| 02/24/2009 | US7493789 Methods and apparatus for performing emergency extrications |
| 02/19/2009 | DE102007042165A1 Vorrichtung und Verfahren zum kombinierten Plan- und Hochkantrichten Apparatus and method for combined axial and camber leveling |
| 02/18/2009 | CN201195171Y Floating type hydraulic steel plate leveling apparatus |
| 02/18/2009 | CN101367091A Control method for plate shape of high-strength steel plate |
| 02/11/2009 | CN201192708Y Shape-correction pulling wheel of metal plate parts |
| 02/04/2009 | CN201189528Y 100 ton pressure steel shell correction U-shaped device |
| 02/04/2009 | CN100457306C Rolling process of male connecting plate for bridge truss |
| 02/04/2009 | CN100457305C Rolling process of female connecting plate for bridge truss |
| 01/28/2009 | CN101352735A Method for leveling cathode sheet |
| 01/28/2009 | CN101352734A Flattening device of accurate band steel |
| 01/21/2009 | CN201183078Y Manual hydraulic type steel belt shaper |
| 01/21/2009 | CN101347800A Locater of turnaround case plate |
| 01/14/2009 | CN201179536Y Steel back leveling mould |
| 01/14/2009 | CN101346196A Induction heating device |
| 01/14/2009 | CN101342550A Method for expanding automatized aligning steel plate temperature range of hot straightening machine |
| 01/14/2009 | CN100450659C Device for straightening of surface sheets of a vehicle |
| 01/13/2009 | US7475581 Method of increasing the control precision of the path of a product in a levelling machine with interlocking rollers, and levelling installation used to implement same |
| 01/07/2009 | CN201175739Y Novel centralization control type vehicle body inspection machine hydraulic line |
| 01/07/2009 | CN201175738Y Metal plate-belt straightening machine holding-down device |
| 01/07/2009 | CN201175737Y Metal plate-belt tension roller type flattening machine |
| 01/01/2009 | US20090000102 Turbine vane restoration system |
| 12/31/2008 | CN201172077Y Roof board shaping device |
| 12/31/2008 | CN100446883C Flattening process for steel strip |
| 12/24/2008 | WO2008155177A1 Method for removing buckling from sheet metal |
| 12/24/2008 | CN201168729Y Automobile frame corrector |
| 12/24/2008 | CN100444980C Rolling process of brake steel splint for speed reducer in large railway vehicle |
| 12/17/2008 | EP2002907A2 Gear array and straightening machine with such |
| 12/17/2008 | CN201166260Y Integrated type wet leveling liquid station |
| 12/10/2008 | CN101318207A Atomizing cooling method for straightener roll of straightener and atomizing cooling device |
| 12/10/2008 | CN100441331C Electrical steel producing process |
| 12/10/2008 | CN100441330C Compact configuration method for feeder of single frame planisher |
| 12/09/2008 | US7461529 Methods and apparatus for monitoring and conditioning strip material |
| 12/04/2008 | WO2008145355A1 Straightening machine having a straightening roller rapid-change system, and a method for rapidly changing straightening rollers of a straightening machine |
| 12/03/2008 | EP1861212B1 Straightening device and method |
| 12/03/2008 | CN201157856Y Fine adjusting device of leveling machine |
| 12/03/2008 | CN100438998C Extension coefficient and plate shape integrated control method in steel strip flattening process |
| 11/26/2008 | CN101312797A Method for levelling a strip-like or sheet flat product in a levelling machine with overlapping rollers and levelling installation therefor |
| 11/26/2008 | CN101310887A Quick repair method without destructing painting surface |
| 11/19/2008 | CN100434203C Fire-water correcting technology of aluminum-magnesium alloy ship |
| 11/19/2008 | CN100434202C Two-stage tandem cross roll straightener bite servo and regulating system |
| 11/15/2008 | CA2588977A1 Anchoring and anchor removal apparatus for collision repair |
| 11/12/2008 | EP1684923A4 Resistive film on aluminum tube |
| 11/12/2008 | CN201147783Y Roller bending mechanism of hot steel plate straightener |
| 11/12/2008 | CN201147782Y Leveling apparatus for metal matrix printed board |
| 11/12/2008 | CN101301723A Compound machine for leveling, bending stretch and flatting |
| 11/12/2008 | CN101301721A Device for welding finned tube |
| 11/12/2008 | CN101301667A Completely hydraulic controlled adjusting mechanism of metallic strip straightening machine holding-down device |
| 11/12/2008 | CN101301660A Improved fine planishing mill |
| 11/06/2008 | WO2008099126A3 Method and device for dismantling the straightening assemblies of a multiroll straightener |
| 11/05/2008 | CN201144127Y Variable-tension steel belt winding device for prestressed die making |
| 11/05/2008 | CN201143531Y Angle-bar manufacturing equipment |
| 11/05/2008 | CN201143529Y Manual mechanical type metal plate shaper |
| 10/29/2008 | EP1984130A1 Straightening device and straightening method for a metal strip |
| 10/29/2008 | CN201141397Y High-speed support roller bearing group component |
| 10/29/2008 | CN201140238Y Large-scale weldment bending correcting apparatus |
| 10/29/2008 | CN201140237Y Thermal-straightening device for band spring bend edge |
| 10/29/2008 | CN101293261A Support roll for flattener |