| 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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| 09/18/2013 | CN103302140A Hydraulic suction seamless repair machine for car shell |
| 09/18/2013 | CN103302139A Machine for rounding inner cover of silicon steel annular furnace |
| 09/18/2013 | CN103302138A Traveling straightener |
| 09/18/2013 | CN103302137A Electric shaper |
| 09/12/2013 | WO2013134655A1 Porous support structures, electrodes containing same, and associated methods |
| 09/11/2013 | CN203184736U Automatic feeding/straightening/shearing device for aluminum flexible pipe |
| 09/11/2013 | CN203184366U End plate vertical flattening mechanism |
| 09/11/2013 | CN203184365U End plate flange rolling mechanism |
| 09/11/2013 | CN103286162A Efficient plate leveling machine |
| 09/11/2013 | CN102137725B Operating method for a stretch leveler with superimposed elongation control and subordinate tension control |
| 09/06/2013 | WO2013128407A1 Method of treatment of amine waste water and a system for accomplishing the same |
| 09/04/2013 | CN203170769U Flattening mechanism |
| 09/04/2013 | CN203170768U 矫直机出入口辊螺旋提升机构 Entrance roller straightening machine screw lifting mechanism |
| 09/04/2013 | CN203170767U Copper sheet flatting cutting device |
| 09/04/2013 | CN203170766U Copper strip flatting device |
| 09/04/2013 | CN203170765U Roller-type straightener |
| 09/04/2013 | CN203170764U Cold straightening machine steel plate raised head collision-prevention device |
| 09/04/2013 | CN203170763U Levelling machine of wide and thick plate |
| 09/04/2013 | CN103272890A Flattening and reforming machine of rear axle packet |
| 09/04/2013 | CN103272889A Flattening tool and device of longitudinal welds of rear axle packet |
| 09/04/2013 | CN103272888A Press-down adjusting mechanism for leveler roll row included angle |
| 09/04/2013 | CN103272887A Steel plate straightening device for steel rolling |
| 09/04/2013 | CN103272881A Rewinding and separating method for stainless steel pattern plate of work roll contactless steel plate |
| 09/04/2013 | CN102416415B 矫正装置 Correcting device |
| 09/04/2013 | CN102019306B Digital straightening machine |
| 08/28/2013 | EP2631623A1 A detection roll for detecting the tension difference in a plurality of transversal portion of a metal ribbon |
| 08/28/2013 | EP2631019A1 Straightener |
| 08/28/2013 | CN203155861U Positioning and anti-swing device for pipe-reeling production line |
| 08/28/2013 | CN203155844U Stamping die capable of calibrating planeness of tabular sheet metal parts |
| 08/28/2013 | CN203155843U Leveling mould for leveling machine |
| 08/28/2013 | CN203155809U Press roll of sheet metal flattening machine |
| 08/28/2013 | CN203155765U Plate pressing device for automatically adjusting pressing thicknesses |
| 08/28/2013 | CN203155764U Metal material decoiler capable of accurately and horizontally positioning |
| 08/28/2013 | CN203155763U Sheet metal flattening machine |
| 08/28/2013 | CN203155762U Precise leveller |
| 08/28/2013 | CN203155761U Hydraulic steel plate shaping machine |
| 08/28/2013 | CN203155760U Automatic shaping machine |
| 08/28/2013 | CN103264097A Automatic roll adjusting mechanism for flattening and straightening machine |
| 08/28/2013 | CN102489551B Adaptive control method for pressure of loose blocking cylinders of straightening machine for rolling medium plate and control structure |
| 08/27/2013 | US8516875 Repairing kit for automotive dents |
| 08/27/2013 | US8516873 Puller for automotive dents |
| 08/21/2013 | CN203140634U Leveling and feeding machine integrated with cutting mechanism |
| 08/21/2013 | CN203140489U Modification device for outer side of tank car round carriage |
| 08/21/2013 | CN203140488U Detachable leveling mechanism with leveling rollers facilitating cleaning |
| 08/21/2013 | CN203140487U Leveling machine |
| 08/21/2013 | CN203140486U Adjustable squeezing delivery roller device |
| 08/21/2013 | CN203140485U Leveling machine material arc regulating mechanism |
| 08/21/2013 | CN203140484U Pressing device for stainless steel door plates of bathroom cabinets |
| 08/21/2013 | CN203140483U Leveling device for leveling side plates of stainless steel bathroom cabinet |
| 08/21/2013 | CN203140424U Machining equipment of metal corrugated plate |
| 08/21/2013 | CN103259022A Expanding machine for die-cut forming of battery continuous plate grids |
| 08/20/2013 | US8511130 Method for preventing or arresting crack development and propagation |
| 08/14/2013 | EP2624978A1 Apparatus and methods to increase the efficiency of roll-forming and leveling systems |
| 08/14/2013 | CN203124480U Automobile metal plate repairing tool |
| 08/14/2013 | CN203124479U U-shaped calibrating platform |
| 08/14/2013 | CN203124478U Rectifying platform for commercial vehicles |
| 08/14/2013 | CN203124477U Adjustable welding strip straightening device |
| 08/14/2013 | CN203124476U Slide detection and cold correction integrated device |
| 08/14/2013 | CN203124475U Excavator walking frame lug plate welding and correcting device |
| 08/14/2013 | CN203124474U Rectifying device of welded moving arm |
| 08/14/2013 | CN103246772A ABAQUS-based finite element simulation method of correcting welding deformation through ultrasonic shot-peening |
| 08/14/2013 | CN103240300A Automobile pit fast restore method |
| 08/14/2013 | CN103240299A Roller leveler and method for correcting sheet material |
| 08/14/2013 | CN102211119B Method and device for calibrating longitudinal welding seam of steel pipe |
| 08/07/2013 | CN203108982U Flexible frame straightening platform device |
| 08/07/2013 | CN203108981U Strip steel straightening device |
| 08/07/2013 | CN203108980U Large-width composite board pressure leveling device |
| 08/07/2013 | CN203108894U Platinum crucible cleaning and reshaping set |
| 08/07/2013 | CN103230965A Welding deformation flatness correction method of finished steel crane beam |
| 08/07/2013 | CN102529904B Pulling tower for automobile metal plate maintenance and stretching method thereof |
| 08/07/2013 | CN102248030B Straightener with convertible straightening roll system |
| 08/01/2013 | DE102012201266A1 Working method for preventing material-related or production-related bouncing of metal sheet material during manufacture of precise angular surface, involves pressing tool base unit with respect to welding surface of sheet material |
| 08/01/2013 | DE102012004022B3 Device for straightening roof gutter bent by load or impact, has clamping unit made of two clamping jaws that are spaced along width of gutter holder, and thrust bearing that is arranged at expansion bend |
| 07/31/2013 | CN203091580U Pipe coiling line limit flattening mechanism |
| 07/31/2013 | CN203091474U Vehicle body finishing centering device |
| 07/31/2013 | CN203091473U Planeness adjusting mechanism |
| 07/31/2013 | CN203091472U Pipe coiling line flanging anti-swing mechanism |
| 07/31/2013 | CN203091471U Nine-roller straightening machine spring balancing device |
| 07/31/2013 | CN203091470U Board flattening device |
| 07/31/2013 | CN203091469U Extruding delivery roller |
| 07/31/2013 | CN203091468U Composite type metal thin plate smooth tension leveling combined machine |
| 07/31/2013 | CN203091467U Welding and correcting device of lateral plates of dozer blade of excavator |
| 07/30/2013 | US8495901 Shaping tool having a rotatable base member |
| 07/24/2013 | CN203076376U Mercury strip reshaping device |
| 07/24/2013 | CN203076375U Photovoltaic welding strip conveying straightening device |
| 07/24/2013 | CN203076374U Steel structure workpiece leveling tool |
| 07/24/2013 | CN103212606A Continuous leveling device |
| 07/24/2013 | CN102416414B Method for controlling accuracy of shape of ultrahigh-strength steel thin-wall cylinder |
| 07/24/2013 | CN102026746B Straightening device, straightening process and process for setting up a straightening device |
| 07/18/2013 | WO2013106069A1 Welded hot-rolled high-strength steel structural members and method |
| 07/18/2013 | DE102012100281A1 Verfahren und eine Vorrichtung zum Entfernen von Fehlern A method and apparatus for removing errors |
| 07/17/2013 | EP2615413A1 Method and a device for eliminating errors in car body parts |
| 07/17/2013 | CN203061953U Steel belt shearing device |
| 07/17/2013 | CN203061605U Horizontally-correcting device of locomotive bogie |
| 07/17/2013 | CN203061604U Side wall overall-split automatic repairing fixture |
| 07/17/2013 | CN203061603U Novel automobile surface dressing puller |
| 07/17/2013 | CN203061602U Leveling device of electrolytic tank |
| 07/17/2013 | CN203061601U Straightening production line of stretch-bending straighteners |
| 07/17/2013 | CN203061600U Flattener for stainless steel band |
| 07/17/2013 | CN203061599U Oil mist lubricating device of temper mill |