| Patents for B21D 3 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts (4,094) |
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| 09/21/2011 | CN201978973U 斜矫直机的矫直辊角度调整装置 Straightening roller leveler oblique angle adjusting device |
| 09/21/2011 | CN201978972U 型材矫直机的下辊升降机构 Profiles leveler rolls lifting mechanism under |
| 09/21/2011 | CN201978971U 自动歪曲机 Automatic distort machine |
| 09/21/2011 | CN201978970U 一种管道校正装置 Correction means of a piping |
| 09/14/2011 | CN201969786U 齿合式精密扩管模 Flaring ratcheting precision mold |
| 09/14/2011 | CN201969749U 铝制磁辊校直器 Aluminum magnetic roller straightener |
| 09/14/2011 | CN102187175A Device for measuring and correcting a parallelism error of a nuclear fuel rod |
| 09/14/2011 | CN102179427A Manufacturing method of roll-shaped curve of concave roller of large-diameter thick-wall tube dual-roller calibrating tumbling mill |
| 09/14/2011 | CN102179426A Straightening device and motion guiding device equipped with member subjected to straightening by the straightening device |
| 09/14/2011 | CN102179425A Machine for automatically straightening axle body |
| 09/14/2011 | CN101912902B Integrated ultrasonic de-stressing automatic T-shaped guide rail straightening machine |
| 09/14/2011 | CN101817036B Guide rail shape correcting device |
| 09/07/2011 | EP2285507B1 Method for producing a large steel tube |
| 09/07/2011 | CN201960010U 液压式抽油井光杆冷矫直器 Hydraulic rod pumping wells cold straightener |
| 09/07/2011 | CN201960009U 一种用于铝型材在线矫直用的过桥提升机构 A lifting mechanism for the bridge with aluminum straightening online |
| 09/07/2011 | CN102172680A Micro-tension equal-torque metal material straightening method |
| 09/07/2011 | CN102172679A Roundness correcting device for U-shaped stainless steel pipe |
| 09/07/2011 | CN102172678A Steel pipe finishing machine |
| 09/07/2011 | CN102172677A Small-sized section steel sorting device |
| 09/07/2011 | CN102172676A Position switching mechanism of circle calibration and straightening device for long U pipe bender |
| 09/07/2011 | CN101704038B Filleted corner knocking method for straightening crank shaft |
| 08/31/2011 | EP2361163A1 Apparatus for straightening metal profiles and the like and method for adjusting straightening members in such an apparatus |
| 08/31/2011 | CN201950098U Steel beam press |
| 08/31/2011 | CN201950097U 自制电解槽阴极钢棒调直机 Homemade electrolyzers steel bar straightening machine |
| 08/31/2011 | CN102166589A Method for producing ultrahigh-precision hard disk driving arm sections |
| 08/31/2011 | CN101829708B Manually rotating-pressing type steel tube straightener |
| 08/30/2011 | US8006529 Methods for manufacturing coil springs |
| 08/25/2011 | WO2011101763A2 Method and apparatus for straightening iron rods and the like |
| 08/24/2011 | CN201940444U Conveying device of shaft straightening machine |
| 08/24/2011 | CN102161057A Pipe rounding machine |
| 08/24/2011 | CN101579709B Profiled bar shaping device for gantry fork truck |
| 08/24/2011 | CN101543853B Non-driven on-line flat steel hot straightening machine |
| 08/17/2011 | CN201934581U 一种矫直机专用减速器 One kind of straightening machine dedicated reducer |
| 08/17/2011 | CN201931018U 一种螺栓过孔衬套的成型冲压模具 A bolting through the hole liner forming stamping dies |
| 08/17/2011 | CN201930992U 一种滚压式小型矫形工具 One kind of Roller small orthopedic tools |
| 08/17/2011 | CN201930991U 三角架校正机 Tripod correction machine |
| 08/17/2011 | CN102151722A Stretching straightener of pumping rod |
| 08/17/2011 | CN102151721A Inner tooth ring straightening frame |
| 08/17/2011 | CN102151720A Control system of automatic straightener for linear guide rails |
| 08/17/2011 | CN102151719A High-accuracy straightening machine for tantalum-niobium alloy pipe |
| 08/17/2011 | CN102151718A Simultaneous and quick aligning and locking device for multi-roll ring of section steel straightener |
| 08/10/2011 | CN201921914U 一种齿圈校正装置 One kind of ring correction device |
| 08/10/2011 | CN201921913U 多功能校扭机 Multifunction school twisting machine |
| 08/10/2011 | CN201921912U 一种可调凹形矫直辊辊面凸度的装置 An apparatus for straightening roll surface recessed adjustable crown |
| 08/10/2011 | CN101712053B Multi-straightening head-based quick straightening device and method |
| 08/03/2011 | CN201913135U 钢环绕圆机的辅助装置 Steel surround a round of assistive devices |
| 08/03/2011 | CN201913134U Synchronous hydraulic ejector pin |
| 08/03/2011 | CN201913133U 一种方管校正机 One kind of square tube straightening machine |
| 08/03/2011 | CN201913132U 半自动t型导轨扭曲校直机 Semiautomatic t-rail twist straightening machine |
| 08/03/2011 | CN102139311A Improved tapered exit pipe reforming mould of automobile |
| 07/27/2011 | CN201906963U Straightening, roll finishing and stress adjusting and controlling device for brass bar wires |
| 07/27/2011 | CN201906757U Correcting device for deformed cylindrical shell section |
| 07/27/2011 | CN201906756U Manual-automatic integrated shaft-type straightening machine |
| 07/27/2011 | CN201906755U Cold correction tooling |
| 07/20/2011 | CN201900182U Improved reforming mould of automobile air outlet taper pipe |
| 07/20/2011 | CN201900154U Cathode steel bar straightening device used for hydraulic aluminum electrolysis cell |
| 07/20/2011 | CN201900153U Reaming tool |
| 07/20/2011 | CN102125948A Square-tube straightener |
| 07/20/2011 | CN101323959B Pre-baked anode deformed steel claw cold state straightening method and device for aluminum electrolysis |
| 07/20/2011 | CN101270438B Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method |
| 07/19/2011 | US7979970 Apparatus and method for repairing out-of-round tubular cores, and tubular core and coiled strapping assemblies |
| 07/13/2011 | CN201897948U Shaping machine for elbow welded junction of saxophone |
| 07/13/2011 | CN201895022U Adjustable three-pointer high-efficiency straighter |
| 07/13/2011 | CN102120232A Gap bridge lifting method and mechanism for use in online straightening of aluminum sections |
| 07/06/2011 | CN201889337U Plane joint multi-shaft limit-type straightening mould |
| 07/06/2011 | CN201889336U Hydraulic straightening device |
| 07/06/2011 | CN201889335U Press head of press suitable for straightening rod work pieces |
| 07/06/2011 | CN201889334U Stretcher jaw |
| 07/06/2011 | CN201889333U Open type drawing head device of tension straightening machine |
| 07/06/2011 | CN201889329U Metal workpiece correcting device |
| 07/06/2011 | CN102114506A Fixture for manufacturing numerical model of automobile instrument beam assembly |
| 07/06/2011 | CN102114505A On-line continuous straightening device for extruded section |
| 07/06/2011 | CN102114504A Semi-automatic torsion straightening machine for T-shaped guide rail |
| 07/06/2011 | CN102114503A Rotating mechanism for tubes and bars on horizontal straightening machine |
| 07/06/2011 | CN102114502A Fixture for manufacturing left and right supports of beam of automotive instrument |
| 06/29/2011 | CN201880776U Pipe bending machine integrating straightening, material-cutting and three-dimensional numerically-controlled pipe-bending functions |
| 06/29/2011 | CN201880775U Sinuous pipe bender with straightening, board cutting as well as left and right pipe bending functions |
| 06/29/2011 | CN201880761U Screw pulsation straightening instrument |
| 06/29/2011 | CN201880760U Long shaft runout rectification machine |
| 06/29/2011 | CN201880759U Section steel flange deformation correcting mechanism |
| 06/29/2011 | CN201880758U Novel oil hydraulic press |
| 06/29/2011 | CN201880757U Rolled rod straightening device for lily vinylhouse |
| 06/29/2011 | CN102107238A Zero calibration method for non-contact type straightening machine |
| 06/29/2011 | CN102107237A Method for straightening titanium alloy bar |
| 06/29/2011 | CN101716632B Reforming method and mold of automobile rear axle driven gear forging piece |
| 06/29/2011 | CN101462133B Method and device for processing aluminium section bar board for refrigerating box |
| 06/23/2011 | WO2011073757A1 Composite roller |
| 06/22/2011 | CN201871580U Mechanical simple steel pipe straightening machine |
| 06/22/2011 | CN201871579U Steel pipe straightening machine |
| 06/22/2011 | CN201871578U Correcting device for semiautomatic T-shaped guide rail twisting straightener |
| 06/22/2011 | CN102101132A Annealing steel tube straightening device |
| 06/22/2011 | CN101708516B Screw-type straightening method for tap bolt of slender rod |
| 06/22/2011 | CN101695724B Semi-automatic hollow guide rail reshaping device and reshaping method thereof |
| 06/21/2011 | US7963139 Apparatus for can expansion |
| 06/21/2011 | US7963138 Method and apparatus for forming a changed diameter portion of a workpiece |
| 06/16/2011 | US20110138868 Method for Leveling Parts in a Roller Leveling Machine |
| 06/15/2011 | EP2331272A2 Production line for lift guides and similar products and productive process for making thereof |
| 06/15/2011 | CN201862663U Equipment for detecting and correcting machine part |
| 06/15/2011 | CN201862662U Aluminium section cavity correction device for railway trains |
| 06/15/2011 | CN102099132A Method for straightening parts in a roller straightening machine |