| 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) |
|---|
| 05/08/2013 | CN202921693U Roller straightening machine |
| 05/08/2013 | CN202921692U Connecting structure for flange couplings of pickling line straightener |
| 05/08/2013 | CN202921691U Transmission mechanism for bump-cutter machine |
| 05/08/2013 | CN202921690U Plate group shaping device used for battery clamp |
| 05/08/2013 | CN202921689U Busbar bending device |
| 05/08/2013 | CN202921688U Suspension U-shaped plate clamping reshaping device |
| 05/08/2013 | CN103084436A Roller-type straightener and roll bending method |
| 05/08/2013 | CN103084435A Roll gap adjusting device of plate-levelling machine |
| 05/08/2013 | CN103084434A Levelling equipment |
| 05/08/2013 | CN103084433A Evener |
| 05/08/2013 | CN103084432A Correcting device of photovoltaic cell pieces and printing system applying the same |
| 05/08/2013 | CN102099131B Apparatus for straightening a metallic material |
| 05/01/2013 | EP2585236A1 Stretch-bending straightener |
| 05/01/2013 | CN202910111U Hydraulic pressure drawing and maintaining inspection machine |
| 05/01/2013 | CN202910110U Steel plate correction device |
| 05/01/2013 | CN202910109U Call ladder box straightener |
| 05/01/2013 | CN202910108U Frame leveler for semiconductor device encapsulation |
| 05/01/2013 | CN202910107U Non-straightening mode roller box substitution device of straightener |
| 05/01/2013 | CN202910106U Device for leveling timing gear cover |
| 05/01/2013 | CN103071702A Roller leveler and metal plate leveling method using same |
| 05/01/2013 | CN101239356B Device for leveling metal strips |
| 04/24/2013 | CN202893896U Automobile body appearance repairing device |
| 04/24/2013 | CN202893895U Combination device suitable for improving planeness |
| 04/24/2013 | CN202893894U 压型钢板轧制机 Pressure plate rolling machine |
| 04/24/2013 | CN202893893U Flatwise laying mechanism for processing stainless steel filtering part materials |
| 04/24/2013 | CN202893892U Seam press |
| 04/24/2013 | CN202893891U Steel plate knocking circling frame |
| 04/24/2013 | CN202893890U Fixture special for die-casting thin-wall part leveling |
| 04/24/2013 | CN202893889U Simple device for matching with fire adjustment leveling of upper building surrounding wall boards |
| 04/24/2013 | CN103056616A Twisting box-shaped member and manufacture process thereof |
| 04/24/2013 | CN103056198A Speed regulating method and system of straightening roller of vertical roller type straightener |
| 04/17/2013 | CN202877409U Combination tool for necking and restricking of oil storage cylinder |
| 04/17/2013 | CN202877283U Combined type ground frame of automobile sheet metal calibrator |
| 04/17/2013 | CN202877282U Drum straightening machine |
| 04/17/2013 | CN103042075A Method for correcting tubular structure diameter distortion by flame |
| 04/17/2013 | CN102357563B Device for rolling coiled belt out |
| 04/17/2013 | CN102327927B Plate straightening roll |
| 04/17/2013 | CN102248005B Method for realizing bending and balancing of working roll by virtue of bivalve linkage closed-loop control |
| 04/13/2013 | CA2755272A1 Collision repair push and pull enhancement method and apparatus |
| 04/10/2013 | EP2578328A1 Method for forming metal member having excellent shape freezing properties |
| 04/10/2013 | CN202861724U Automatic punching machine for steel belt |
| 04/10/2013 | CN202861048U Higher force platform with roller of material-receiving and weight-increasing |
| 04/10/2013 | CN202861047U Mesh shaping machine |
| 04/10/2013 | CN202861046U Shaping device for improving planeness of plain films |
| 04/10/2013 | CN202861045U Prepressing device for improving planeness of plain films |
| 04/10/2013 | CN103028635A Straightening process with external cold water for working rolls of straightening machine |
| 04/10/2013 | CN103028634A Pulling net type pole plate flattening device |
| 04/10/2013 | CN103028633A Stretcher leveler chain drive lifting pin mechanism with guiding |
| 04/03/2013 | CN202845505U Railway vehicle mobile vehicle body and vehicle door reshaping equipment |
| 04/03/2013 | CN202845504U Round shell body cold straightening device |
| 04/03/2013 | CN202845503U Manual operation three-dimensional cool reshaping press machine |
| 04/03/2013 | CN202845502U Sealed shield plate straightening leveler |
| 04/03/2013 | CN202845501U Top roll box turnover device of stretch bending straightening machine |
| 04/03/2013 | CN202845500U Straightener working roll fastening device |
| 04/03/2013 | CN202845499U Material-separate device used for silicon steel sheet leveling machine |
| 04/03/2013 | CN202845498U Angular distortion correcting tool |
| 04/03/2013 | CN103025907A Hot stretch straightening of high strength alpha/beta processed titanium |
| 04/03/2013 | CN103008401A Straightening method of tempered steel plate |
| 04/03/2013 | CN103008400A Telescopic rotating hydraulic device and hydraulic locking device |
| 04/03/2013 | CN103008399A Brazed thick plate leveling method |
| 04/03/2013 | CN102350523B Method for eliminating twist deformation of rolling mill heavy parts |
| 03/28/2013 | US20130074565 Levelling device |
| 03/27/2013 | EP2572810A1 Levelling equipment |
| 03/27/2013 | CN202824268U H-shaped longitudinal beam hanging tong device for maintaining automobile |
| 03/27/2013 | CN202824267U Ribbing device for drum body of steel drum |
| 03/27/2013 | CN202824266U Reshaping device for irregular-shaped opened barrel |
| 03/27/2013 | CN202824265U Horizontal type closed bucket shaping device |
| 03/27/2013 | CN202824264U Closed bucket shaping device |
| 03/27/2013 | CN202824263U Vertical double-position reshaping device for closed barrel |
| 03/27/2013 | CN202824262U Opening and closing mechanism of straightening rack |
| 03/27/2013 | CN202824261U Drive mechanism for bump-cutter machine |
| 03/27/2013 | CN202824260U Automatic regulatory system of roller bodies of flattening machine |
| 03/27/2013 | CN202824259U Heavy-loading driving device of panel veneer leveller |
| 03/27/2013 | CN202824258U Steel straight rolling device |
| 03/27/2013 | CN202824257U Steel straight rolling device |
| 03/27/2013 | CN202824256U Steel straight rolling device |
| 03/27/2013 | CN202824255U Leveling machine |
| 03/27/2013 | CN202824254U Fast-feeding bump-cutter machine |
| 03/27/2013 | CN202824253U Positioning device of nip roll |
| 03/27/2013 | CN202824252U Novel pressing roller for cold rolling mill |
| 03/27/2013 | CN202824106U Anti-wrinkle roller constant pressure follow-up control device for metal strip temper mill unit |
| 03/27/2013 | CN102990612A Novel sheet metal hammer |
| 03/27/2013 | CN102990609A Sheet metal hammer capable of replacing hammer head |
| 03/27/2013 | CN102989841A Roller leveler and method for leveling plate using same |
| 03/27/2013 | CN102266879B Correcting device for large-size passenger/cargo carriage body |
| 03/21/2013 | WO2013038837A1 Roller leveler and method for leveling plate using same |
| 03/21/2013 | WO2013037439A1 Method for producing a vehicle seat fitting |
| 03/20/2013 | CN202803835U Gantry leveling mechanism |
| 03/20/2013 | CN202803834U Cylinder rounding device |
| 03/20/2013 | CN202803833U Structure of straightening machine with rollers capable of being replaced easily |
| 03/20/2013 | CN202803832U Adjusting device for support roll of straightener |
| 03/20/2013 | CN202803831U 杠杆式针板校正器 Leveraged needle plate corrector |
| 03/20/2013 | CN202803830U Novel flange correcting jig device |
| 03/20/2013 | CN202803829U Wheel hub pressing device |
| 03/20/2013 | CN102974661A Straightening process of corrosion-resistant steel sheet of cargo oil tank of crude oil carrier |
| 03/20/2013 | CN102974660A Thick steel plate planishing technology |
| 03/20/2013 | CN102974659A Pole group shaping device for battery clamp |
| 03/20/2013 | CN102319771B Vehicle body correcting machine and control system mounted on base of correcting machine |
| 03/14/2013 | WO2013035449A1 Roller leveler and metal plate leveling method using same |
| 03/13/2013 | CN202779512U Fixed length feeding machine |