| 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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| 08/10/2011 | CN102145355A Catalytic converter shell reshaping device and catalytic converter shell processing method |
| 08/10/2011 | CN102145354A Unigraphics NX-based blade profile software reshaping method |
| 08/10/2011 | CN101474649B Roller passing type brake pad leveling machine |
| 08/08/2011 | DE202011003994U1 Permanent Magnetgegenlager zur Werkzeughalterung Permanent magnetic thrust bearing to the tool holder |
| 08/04/2011 | WO2011092754A1 Roller leveler |
| 08/04/2011 | CA2765486A1 Roller leveler |
| 08/03/2011 | CN201913161U 大尺寸薄板零件平面度校正可拆卸式夹具 Large sheet flatness correction detachable parts Fixture |
| 08/03/2011 | CN201913131U 一种后平叉专用涨开装置 Fork up a post dedicated to open device |
| 08/03/2011 | CN201913130U 一种液压式电动车车架校正固定设备 A hydraulic electric vehicle frame calibration fixture |
| 08/03/2011 | CN102143811A Method and apparatus for improving mechanical properties of materials that can be magnetically activated |
| 08/03/2011 | CN102139450A Machine for manufacturing outer shell of disinfector |
| 08/03/2011 | CN102139322A Novel reshaping die for annular thin-wall part |
| 08/03/2011 | CN102139297A Roller leveler |
| 08/03/2011 | CN102139296A Method for straightening buckled pipeline steel plate with thickness less than 20mm at normal temperature |
| 08/02/2011 | US7987692 Door leveler |
| 07/28/2011 | DE10218959B4 Vorrichtung zum Einstellen des maximal übertragbaren Zugkraftverhältnisses eines Bandes im Reibschluß mit einem S-Umlenkrollenpaar Means for setting the maximum transmittable tensile ratio of a band in frictional engagement with an S-deflection roller pair |
| 07/27/2011 | CN102137725A Operating method for a stretch leveler with superimposed elongation control and subordinate tension control |
| 07/27/2011 | CN101683664B Method for straightening tank plate containing nickel and vanadium |
| 07/26/2011 | CA2558816C Roller leveller with variable centre distance |
| 07/20/2011 | CN201900186U Novel shaping die for ring-shaped thin-walled part |
| 07/20/2011 | CN201900152U Device for automatically correcting ovality of pipe end of UOE large-diameter straight welded pipe |
| 07/20/2011 | CN102131596A Method for controlling and/or regulating slipping motion of roller relative to strip, controller and/or regulator, machine-readable program code, storage medium and industrial plant |
| 07/20/2011 | CN102125947A Method for flattening super-thick steel plates with temperature |
| 07/20/2011 | CN101417297B Straightening scheme of metal plate-belt roll type combination straightening machine |
| 07/19/2011 | US7979970 Apparatus and method for repairing out-of-round tubular cores, and tubular core and coiled strapping assemblies |
| 07/13/2011 | CN201895023U Steel plate repair device |
| 07/13/2011 | CN201895022U Adjustable three-pointer high-efficiency straighter |
| 07/13/2011 | CN102120231A Straightener |
| 07/13/2011 | CN101172289B Releasing mechanism and leveling apparatus |
| 07/07/2011 | WO2011080837A1 Turks head stand |
| 07/06/2011 | EP2131989B1 Welding bit holder |
| 07/06/2011 | CN201891965U Water-cooling swivel joint of hot straightening machine |
| 07/06/2011 | CN201889332U Large ring piece leveling machine |
| 07/06/2011 | CN201889331U Flatting device for end caps of car fuel tanks |
| 07/06/2011 | CN201889330U Waste smoothing device |
| 07/06/2011 | CN201889329U Metal workpiece correcting device |
| 07/06/2011 | CN102114501A Clamp for manufacturing upper bracket of automobile steering gear |
| 07/06/2011 | CN102114500A Clamp for manufacturing lower bracket of automobile redirector |
| 07/06/2011 | CN102114499A Fixture for manufacturing vehicle assembly |
| 06/29/2011 | EP2337643A1 Method and apparatus for improving mechanical properties of materials that can be magnetically activated |
| 06/29/2011 | CN201887110U Dual-motor synchronously-driven battery pole piece twin-roller machine |
| 06/29/2011 | CN201880756U Automobile-crossbeam correcting system |
| 06/29/2011 | CN201880755U Shaping device of tramcar hopper |
| 06/29/2011 | CN201880754U Horizontal shaping device for open drums |
| 06/29/2011 | CN201880753U Bucket bottom edge reshaping device |
| 06/23/2011 | US20110146362 Device for straightening up deformed metal and/or plastic elements after undergoing an excessive mechanical stress |
| 06/22/2011 | CN201871614U Automobile shock absorber connecting plate shaping die |
| 06/22/2011 | CN201871577U Device for correcting skew staggered joint of rolled cylindrical product |
| 06/22/2011 | CN201871576U Steel plate flattening device |
| 06/22/2011 | CN201871575U Feeding leveler |
| 06/22/2011 | CN201871574U large-tonnage cross beam moving type hydraulic machine |
| 06/22/2011 | CN102101131A Reshaping mechanism |
| 06/16/2011 | US20110138868 Method for Leveling Parts in a Roller Leveling Machine |
| 06/16/2011 | DE102004028568B4 Manipulierwerkzeug Manipulierwerkzeug |
| 06/15/2011 | CN201862661U Solar photovoltaic welding strip alignment device |
| 06/15/2011 | CN201862660U Roll type straightening machine |
| 06/15/2011 | CN201862596U Dust-absorbing device for seven-roller straightener |
| 06/15/2011 | CN102099131A Apparatus for straightening a metallic material |
| 06/14/2011 | US7958767 Dent removal tool |
| 06/08/2011 | EP2329909A1 Method and apparatus for bonding metal plates |
| 06/08/2011 | EP2328697A1 Operating method for a stretch leveler with superimposed elongation control and subordinate tension control |
| 06/08/2011 | EP2328696A1 Method for controlling and/or regulating a slipping motion of a roller relative to a strip, controller and/or regulator, machine-readable program code, storage medium and industrial plant |
| 06/08/2011 | CN201855888U Position guide mechanism of hot straightening machine of medium plate production line |
| 06/08/2011 | CN201855854U Shaping machine for tank body of oil tank |
| 06/08/2011 | CN102089116A Method and apparatus for bonding metal plates |
| 06/08/2011 | CN102089111A Mash seam welding method and equipment |
| 06/07/2011 | US7954351 Stretch-leveling metal strip |
| 06/03/2011 | WO2011065331A1 Magnesium alloy coiled material |
| 06/03/2011 | CA2781508A1 Magnesium alloy coil stock |
| 06/01/2011 | CN201848452U Improved heat radiator shape correction device |
| 06/01/2011 | CN102078891A Nip roll and nip roll system |
| 06/01/2011 | CN101693266B Portable quick leveling device |
| 05/26/2011 | WO2011060683A1 Method for correcting curvature of vehicle door |
| 05/25/2011 | CN201841184U Repair kit for lifting claw of slide trolley |
| 05/25/2011 | CN201841183U Rapid roll changing tool for straightening machine |
| 05/25/2011 | CN102069110A Correction method for vehicle door radian |
| 05/25/2011 | CN102069109A Correction device and correction method for inner ring of engine crankcase |
| 05/25/2011 | CN102069108A Device for correcting distortion of rolled cylindrical product |
| 05/25/2011 | CN101722213B Straightening process of high-strength steel plate |
| 05/24/2011 | CA2482743C Protective sleeve for threaded connections for expandable liner hanger |
| 05/19/2011 | DE202004021823U1 Richtmaschine mit Wechselkassette Straightening machine with interchangeable cassette |
| 05/18/2011 | EP2322308A1 Mash seam welding method and equipment |
| 05/18/2011 | CN201832872U Servo system operating mechanism of follow-up precise straightening hydraulic machine |
| 05/18/2011 | CN201832869U Novel straightener |
| 05/18/2011 | CN201832868U Novel leveling feeder |
| 05/18/2011 | CN201832867U One-piece leveling feeding machine |
| 05/18/2011 | CN201832866U Automatic measuring and correcting device |
| 05/18/2011 | CN1970181B Metal sheet hot-rectification processing method |
| 05/18/2011 | CN102059277A Automobile fuel tank end cover leveling device |
| 05/18/2011 | CN102059276A Plane shaper |
| 05/18/2011 | CN102059275A Nylon roller for replacing alloy steel roller of planisher |
| 05/18/2011 | CN101522331B Apparatus for restoring the centering of tire rims |
| 05/11/2011 | EP2319772A1 Top plate for metal can, method and apparatus for repairing assembling damages |
| 05/11/2011 | CN201823787U Full-automatic welding strip cutting & bending machine |
| 05/11/2011 | CN201823786U Roller spacing changing false roller device for eleven-roller metal plate and band straightener |
| 05/11/2011 | CN201823785U Rotary lamellar workpiece arrangement device |
| 05/11/2011 | CN201823755U Quick work roll replacement device of leveling machine |
| 05/04/2011 | CN201815569U Part corrector |
| 05/04/2011 | CN201815568U Large metal drum repairing equipment |
| 05/04/2011 | CN201815567U Four-roller temper mill with small rolling force in continuous annealing wire |