| 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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| 06/15/2011 | CN102096393A Method for dynamically limiting amplitude during non-automatic control of straightening machine and system thereof |
| 06/14/2011 | US7958762 Apparatus and method for forming straight tubes from coiled tubing |
| 06/08/2011 | CN101637789B Resistance heat tension straightening device and straightening method thereof |
| 06/01/2011 | EP2326913A1 Device for measuring and correcting a parallelism error of a nuclear fuel rod |
| 06/01/2011 | CN201848454U Port shaper for pipe fitting |
| 06/01/2011 | CN201848453U Repair device for mounting hole |
| 06/01/2011 | CN102078901A Protective casing for guide cylinder of cold-drawing steel tube straightener and manufacturing method thereof |
| 06/01/2011 | CN102078892A Chambering tool |
| 05/25/2011 | CN201843991U Upper roller hydraulic cylinder seal structure of straightener |
| 05/25/2011 | CN201841188U Manual straightener for crank shaft of engine |
| 05/25/2011 | CN201841187U Steel strip correcting equipment |
| 05/25/2011 | CN201841186U Hydraulic shaping machine |
| 05/25/2011 | CN201841185U Flat bridge pin straightener |
| 05/25/2011 | CN102074224A Saxophone elbow welded junction shaping machine |
| 05/25/2011 | CN102069112A Limited straightening mould of plane conjuncted multiaxial component |
| 05/25/2011 | CN102069111A Horizontal adaptive mechanical precision straightening device for linear bars |
| 05/25/2011 | CN101786115B Hammer type pipe fitting electromagnetically shaping technology |
| 05/18/2011 | CN201832872U Servo system operating mechanism of follow-up precise straightening hydraulic machine |
| 05/18/2011 | CN201832871U Precision straightener |
| 05/18/2011 | CN201832870U Aligning tool for recovering verticality of upright post |
| 05/18/2011 | CN102059278A Full-automatic valve heating neck and stem straightener |
| 05/18/2011 | CN101637796B Method for processing hob blade of mower and device for molding helical curved surface of hob blade |
| 05/18/2011 | CN101522331B Apparatus for restoring the centering of tire rims |
| 05/12/2011 | DE102008027807B4 Verfahren zum Herstellen eines großen Stahlrohres A method for producing a large steel pipe |
| 05/11/2011 | CN201823840U Feeding frame and discharging frame of steel pipe straightener |
| 05/11/2011 | CN201823823U Shaping mold of bimetal support stamping workpiece |
| 05/11/2011 | CN102056687A Method for producing a large steel tube |
| 05/11/2011 | CN102049637A Copper feet straightening mechanism of automatic pipe core welding device |
| 05/11/2011 | CN102049434A Straightening roller, device for straightening steel rail and method for rolling steel rail |
| 05/11/2011 | CN102049433A Manual core shaping machine and operation method thereof |
| 05/04/2011 | CN201815570U Horizontal pushing type square rectangular tube straightener |
| 05/04/2011 | CN102039340A Automatic stamping integrated processing equipment |
| 05/04/2011 | CN101758116B Automatic straightening production line of T-shaped guide rail |
| 04/28/2011 | WO2011023167A3 Method for producing hot-rolled hollow profiled elements having a rectangular cross-section and small edge radii |
| 04/28/2011 | US20110094284 Post straightening apparatus and method |
| 04/27/2011 | EP2313215A2 Method for straightening parts in a roller straightening machine |
| 04/27/2011 | CN201807636U Device for correcting circumference, ovality and planeness of aluminum alloy rim |
| 04/27/2011 | CN201807635U Reshaping die in extruding and forming process of bent pipe |
| 04/27/2011 | CN201807634U Expansion cylinder device |
| 04/27/2011 | CN201807633U Spool shaper |
| 04/27/2011 | CN201807632U Two-way flat steel straightening machine |
| 04/27/2011 | CN201807631U Positioning device for flange straightener of H-section group |
| 04/27/2011 | CN102029503A Method for forming right cone stainless steel tank |
| 04/27/2011 | CN101585061B T-type material straightener |
| 04/20/2011 | CN201799541U Inlet platform of pipe and bar straightening machine |
| 04/20/2011 | CN201799495U Double-cylinder opposite-pulling straightening mechanism for threaded steel anchor rods |
| 04/20/2011 | CN201799494U Large-sized aluminum section roller flattening machine for rail trains |
| 04/20/2011 | CN201799493U Hydraulic smoothness correcting flattener |
| 04/20/2011 | CN201799489U Improved straightening machine |
| 04/20/2011 | CN102019308A Calibration device for semi-automatic T-shaped guide rail distortion straightener |
| 04/20/2011 | CN102019307A Sliding board mechanism in the large-sized straightening and cutting machine |
| 04/20/2011 | CN101645334B Extrusion rolling composite method for producing copper clad aluminum row |
| 04/20/2011 | CN101645333B Rolling method for producing copper clad aluminum row |
| 04/14/2011 | US20110083488 Big crimpin crimper |
| 04/13/2011 | CN201791823U Pinch roller device on hydraulic straightening machine |
| 04/13/2011 | CN201791791U C-shaped purline shaping device |
| 04/13/2011 | CN201791790U Double-jaw type hydraulic clamping lockset for straightening anchor rod |
| 04/13/2011 | CN201791789U Reshaping device of steel pipe |
| 04/13/2011 | CN201791788U Steel tube straightener |
| 04/13/2011 | CN201791787U Semi-automatic cold-drawn steel tube straightener |
| 04/13/2011 | CN201791786U Section bar straightening mechanism |
| 04/13/2011 | CN201791785U Special combined roller for cold straightener of metal rods and bars |
| 04/13/2011 | CN201791784U Combined straightening roll device |
| 04/13/2011 | CN201791783U Straightening device of cross wedge rolling shafts |
| 04/13/2011 | CN201791780U Roller way hydraulic elevating mechanism for hydraulic straightening machine |
| 04/13/2011 | CN201791779U Transmission shaft cooling device of thermal straightening machine |
| 04/13/2011 | CN102009320A Device for straightening and rolling brass rods and wires and regulating stress of brass rods and wires |
| 04/13/2011 | CN102009090A Reforming mould during extrusion molding of bent pipe |
| 04/13/2011 | CN102009089A Capillary rotary straightener |
| 04/12/2011 | US7921687 Wheel reconditioning method and apparatus |
| 04/07/2011 | WO2011039197A1 Repairing compressor blades by cold compacting |
| 04/07/2011 | CA2774507A1 Repairing compressor blades by cold compacting |
| 04/06/2011 | CN201783541U Repairing tooling for internal wall of pipe orifice |
| 04/06/2011 | CN201783540U Correction device for rib welding pieces |
| 04/06/2011 | CN201783539U Automatic memory straightener |
| 04/06/2011 | CN201783538U Copper rod aligning device |
| 04/06/2011 | CN201783537U Straightening device for rail laying site |
| 03/31/2011 | WO2011036352A1 Ferritic stainless steel having high drawability properties |
| 03/31/2011 | US20110072874 Continuous Rod Transport System |
| 03/30/2011 | CN201776319U Automobile glass guide rail truing device |
| 03/30/2011 | CN201776318U Opening calibration machine |
| 03/30/2011 | CN101992235A Expanding device of moving block |
| 03/30/2011 | CN101559451B Device for integrally repairing U-shaped steel arched beam rigid telescope support |
| 03/23/2011 | CN201768826U Sizing die of wiring terminal stamped part of low-voltage electrical apparatus |
| 03/23/2011 | CN201768780U Puncher ejector rod straightening machine |
| 03/23/2011 | CN201768779U Riding wheel mounting structure of steel frame pipe straightening machine |
| 03/23/2011 | CN201768777U Self-sealing frame type pressure orthosis |
| 03/16/2011 | CN201760477U Cross wedge rolling shaft part straightener with anti-end breaking and anti-seize device |
| 03/16/2011 | CN201760476U Straightening machine for small-sized steel tubes |
| 03/16/2011 | CN201760475U Upsetting steel pull rod straightening machine |
| 03/16/2011 | CN201760474U Flattening machine for cold-bending deformation of profile |
| 03/16/2011 | CN201760469U Shearing truing device |
| 03/15/2011 | US7905130 Apparatus for threading cans |
| 03/09/2011 | CN201755621U Centering mechanism of T-shaped row lateral straightening machine |
| 03/09/2011 | CN201755603U Steel pipe straightening device |
| 03/09/2011 | CN201755602U Guide rail shape rectifying apparatus |
| 03/02/2011 | CN201752727U Pipe compression mold |
| 03/02/2011 | CN201752726U Pipe port sizing die |
| 03/02/2011 | CN101376135B Method for producing improved stainless steel seamless steel pipe |
| 02/23/2011 | EP2285507A1 Method for producing a large steel tube |