| 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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| 01/29/2014 | CN203409032U Precise lower supporting leveller |
| 01/29/2014 | CN203409031U Press-down device for leveler |
| 01/29/2014 | CN103537513A Stress relaxation correcting method for stringer structure cylindrical piece |
| 01/29/2014 | CN103537512A Method for using normalizing line temperature-waiting straightening for remedying buckling steel plate with thickness smaller than 30mm |
| 01/29/2014 | CN102500657B Method for correcting welding deformation of large plate-type structural piece |
| 01/22/2014 | CN203400960U Multifunctional hydraulic correction device |
| 01/22/2014 | CN203400958U Threading die for correcting gear tooth rim of automotive body |
| 01/22/2014 | CN203400957U Roller straightener |
| 01/22/2014 | CN103521555A Truck frame correcting equipment and method for correcting size of truck frame in vertical direction |
| 01/22/2014 | CN102688912B Double-lifting type car body inspection machine with built-in control device |
| 01/15/2014 | EP1824620B1 Device for correcting damaged vehicle body sheets |
| 01/15/2014 | CN203398213U Polar plate shaping device of edge brushing machine |
| 01/15/2014 | CN203390052U Waved plate production line |
| 01/15/2014 | CN203390032U Lateral middle envelope forming machine for passenger car |
| 01/15/2014 | CN203390002U Leveler for steel plates |
| 01/15/2014 | CN103510015A Working roll of pickling and scale breaking tension leveler and its manufacturing process |
| 01/15/2014 | CN103509919A Shipbuilding track-free back burning machine |
| 01/15/2014 | CN103509918A Shipbuilding track-free back burning machine |
| 01/15/2014 | CN103506508A Wrap-around fixing device for iron drum shaping |
| 01/15/2014 | CN103506435A Method and auxiliary tool for reshaping of cover plate used for transformer transportation |
| 01/15/2014 | CN103506434A Metal bucket shaping fixing frame with groove combined with disc |
| 01/15/2014 | CN103506433A Metal bucket shaping air valve structure convenient to fix |
| 01/15/2014 | CN103506432A Iron bucket repairing and reshaping device with environmental protection property |
| 01/15/2014 | CN103506431A Air valve structure for environmentally-friendly shaping of iron drum |
| 01/15/2014 | CN103506430A Double-semicircle-type iron drum shaping and fixing device |
| 01/15/2014 | CN103506429A Fixing device for iron drum shaping |
| 01/15/2014 | CN103506428A Encircling iron bucket reshaping fixing device with press-down disk |
| 01/15/2014 | CN103506427A Flattener eliminating residual stress inside composite board |
| 01/08/2014 | CN203380224U Cylinder straightener |
| 01/08/2014 | CN203380223U Oil drum shaping machine |
| 01/08/2014 | CN203380222U Steel material flattening machine |
| 01/08/2014 | CN203380221U Flattening device of steel material flattening machine |
| 01/08/2014 | CN203380220U High-efficiency board levelling machine |
| 01/08/2014 | CN203380219U Flange cylindrical shaped device |
| 01/08/2014 | CN103495622A Shape correcting device of flame tube shell of gas turbine |
| 01/08/2014 | CN103495621A Hull steel plate straightening device |
| 01/08/2014 | CN102581074B Rotating mechanism of lower support of straightening machine for bridge plate units |
| 01/07/2014 | CA2615951C Roller actuating device for machines used for processing metal products |
| 01/01/2014 | CN203370871U Motor protector biplate forming device |
| 01/01/2014 | CN203370870U Processing device for low-temperature motor protector |
| 01/01/2014 | CN203370869U Multifunctional automobile repair reshaper |
| 01/01/2014 | CN203370868U groove reel locking device of straightening roll of vertical composite straightening machine |
| 01/01/2014 | CN203370867U Metal strip straightening system |
| 01/01/2014 | CN103480700A Fully automatic workpiece straightening device |
| 01/01/2014 | CN103480697A Angle conversion device |
| 01/01/2014 | CN103480696A Flattener |
| 01/01/2014 | CN103480695A Lifting roller device |
| 01/01/2014 | CN102581075B Upper straightening device of bridge board unit straightening machine |
| 12/25/2013 | CN203356444U Fixture of silicon steel sheet ironing device |
| 12/25/2013 | CN203356356U Flattening die for horizontal piece of transformer iron core |
| 12/25/2013 | CN203356269U Shaping device of thin-walled barrel |
| 12/25/2013 | CN203356268U Leveling roll bearing pedestal for steel plate leveler |
| 12/25/2013 | CN203356267U Leveling wheel set for steel plate leveler |
| 12/25/2013 | CN203356266U Steel plate levelling machine |
| 12/25/2013 | CN203356265U Strip steel bending and straightening device |
| 12/25/2013 | CN203356264U Strength supporting roller |
| 12/25/2013 | CN203356263U Dustproof supporting roller |
| 12/25/2013 | CN203356262U Leveling machine |
| 12/25/2013 | CN203356261U Electric shaping machine |
| 12/25/2013 | CN203356260U Flattening device for iron core transverse sheets |
| 12/25/2013 | CN203356259U Pressure plate device of metal plate winding device |
| 12/25/2013 | CN103464577A Method for manufacturing S-shaped longitudinal beam of automobile |
| 12/25/2013 | CN103464532A Automatic strip steel winding equipment and method |
| 12/25/2013 | CN103464531A Leveling machine |
| 12/25/2013 | CN103464530A Shaping mechanism of tube coiling machine |
| 12/25/2013 | CN103464529A Method for eliminating residual stress in composite plates |
| 12/25/2013 | CN103464528A Double-column lifting machine upright column frame shape distortion correcting tooling |
| 12/19/2013 | DE102013013741A1 Richtmaschinen mit Stützrollenträger Straighteners with support roller carrier |
| 12/18/2013 | CN203343225U Flattener upper portion opening device |
| 12/18/2013 | CN203343221U Correcting tool of sealing disk of laundry basket inner barrel |
| 12/18/2013 | CN203343220U Hydraulic suction traceless repair machine of saloon car outer shell |
| 12/18/2013 | CN203343219U Rotation pressing mechanism of lithium battery laser-beam welding machine |
| 12/18/2013 | CN203343218U Flattening mechanism at front end of flattener |
| 12/18/2013 | CN203343217U Precise sizing device for sizing brake shoes |
| 12/18/2013 | CN203343216U Shaping rack of roll-in line seam welder |
| 12/18/2013 | CN203343215U 5-millimeter coil stock leveler |
| 12/18/2013 | CN203343214U Closing locating device of flattener |
| 12/18/2013 | CN203343206U Production unit for helical welded pipe with reinforcing ribs |
| 12/18/2013 | CN103447822A Air inlet frame forming machine of tank type ventilator |
| 12/18/2013 | CN103447354A Steel drum shaping system |
| 12/12/2013 | US20130327109 Roller leveler and metal sheet flattening method |
| 12/11/2013 | CN203330243U Compact type bowed roller bearing seat of double-roller type temper mill |
| 12/11/2013 | CN203330184U Bicycle frame calibration stand |
| 12/11/2013 | CN203330183U Vehicle door face error correcting device |
| 12/11/2013 | CN203330182U Shaping device for spoke |
| 12/11/2013 | CN203330181U Oil drum repair device |
| 12/11/2013 | CN203330180U Bump-cutting machine applied to thin plate flying shearing production line |
| 12/11/2013 | CN203330179U Pure titanium sheet straightening device |
| 12/11/2013 | CN203330178U Automobile clutch driven disc vibration attenuation piece hot leveling device |
| 12/11/2013 | CN103433334A Straightening method preventing steel plates from buckling |
| 12/11/2013 | CN102441589B Temper mill on-line roll changing cylinder synchronous control system and control method |
| 12/05/2013 | DE102012104802A1 Method for removing recess from metal sheet of bodywork portion e.g. door of motor car, involves connecting article element with transparent film which is secured to recess of metal sheet of bodywork portion |
| 12/04/2013 | CN203316527U Rear-axle housing pressing and rounding machine |
| 12/04/2013 | CN203316526U Flattening tooling and flattening equipment for longitudinal welding seams of rear axle housing |
| 12/04/2013 | CN203316525U Recess correction tool of wind tower cylinder |
| 12/04/2013 | CN203316524U 9-13 meter stainless steel clad plate crosswise positive and negative straightener |
| 12/04/2013 | CN203316523U Walking type straightening machine |
| 12/04/2013 | CN103418643A 校直机构 Straightening agency |
| 12/04/2013 | CN103418641A Full-drive leveler |
| 12/04/2013 | CN103418640A Shaping equipment for improving flatness of flat sheets and shaping method utilizing shaping equipment |