| 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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| 08/27/2009 | DE102008010976A1 Verfahren zum Richten eines langgestreckten Bauteils A method for directing a elongate member |
| 08/26/2009 | CN201295714Y I-steel straightening roller system |
| 08/26/2009 | CN201295713Y An I-steel straightener |
| 08/26/2009 | CN201295712Y Leveler structure with manual and automatic double mode |
| 08/20/2009 | US20090206096 Three-piece square can and method of manufacturing the same |
| 08/19/2009 | CN201291375Y Butt welding and correcting integrated machine control device |
| 08/19/2009 | CN201291255Y High-temperature rail straightener |
| 08/19/2009 | CN201291254Y High-precision angle drive device of multi cross mill straightener |
| 08/19/2009 | CN201291253Y Flattening device |
| 08/19/2009 | CN201291251Y Supporting roll cambered surface centering roller box |
| 08/19/2009 | CN101507991A End-thickened steel-tube straightening device |
| 08/19/2009 | CN101507990A Straightening method of end-thickened steel tube |
| 08/06/2009 | US20090196704 Deburring welded pipe |
| 08/05/2009 | CN100523711C Method and apparatus for measuring shape of tubular body |
| 07/29/2009 | CN201279537Y Angle adjustable alignment V-shaped block |
| 07/29/2009 | CN101491817A Formed steel straightener |
| 07/23/2009 | DE102008003882A1 Object i.e. airplane window frame, manufacturing method, involves arranging object in solution annealed condition by subjecting calculated section to targeted recasting radiations for arranging object and/or sections to be arranged |
| 07/15/2009 | CN201271681Y Straightening device for anode guide rod |
| 07/15/2009 | CN201271680Y Convenient roll changing block base |
| 07/08/2009 | CN101474650A Vertical type guide rod flattening machine for electrolyzing aluminum and using method |
| 06/25/2009 | DE202009005607U1 Werkzeug zum Spreizen von Laufschienen Tool for spreading rails |
| 06/24/2009 | CN201261031Y Booster mill frame for section bar-straightening equipment |
| 06/24/2009 | CN100503069C Straightening machine frame pretightening technology |
| 06/17/2009 | CN101456041A Cam axle straightening machine |
| 06/10/2009 | CN201253648Y Mechanical automatic shaping mechanism |
| 06/10/2009 | CN201253647Y Efficient oxyacetylene correction device |
| 06/10/2009 | CN100496788C Straightening method of expanding steel pipe |
| 06/09/2009 | US7543470 Roll straightener |
| 06/04/2009 | DE202009002901U1 Werkzeug Tool |
| 06/03/2009 | EP1305264B1 Fused aluminum oxycarbide/nitride-aluminum yttrium oxide eutectic materials, abrasive particles, abrasive articles and methods of making and using the same |
| 06/02/2009 | US7541085 Flexible construction element with large bonding surface area and method of manufacture |
| 05/28/2009 | DE102008013823B3 Component i.e. airfoil base support, forming e.g. mechanical aligning, method for aircraft industry, involves detecting torque acting on displacing device, and forming component by pressure segments, when maximum value is reached |
| 05/27/2009 | CN101439370A Planetary web roll rotating hub type flattening machine |
| 05/27/2009 | CN101439369A Device for straightening forward-reverse-rotation multi-hub round wood |
| 05/27/2009 | CN101439368A Hydraulic system of straightening machine for aligning axis part |
| 05/27/2009 | CN100491009C Twisted steel anchor rod inclined rib round rectifying machine |
| 05/20/2009 | CN101437973A Martensitic stainless seamless steel pipe for oil well pipe, and method for producing the same |
| 05/20/2009 | CN101433925A Method for coiling sleeve |
| 05/19/2009 | CA2564839C Turret tool holder for a press |
| 05/13/2009 | CN101428308A Horizontal gag straightener |
| 05/13/2009 | CN101428306A Improved structure of roll shaft support |
| 05/13/2009 | CN100486726C Steel rail pre-welding straightening-rust-cleaning integrating machine and its applying method |
| 05/07/2009 | US20090113973 Methods and Apparatus to Drive Material Conditioning Machines |
| 05/06/2009 | EP2055403A2 Device and method for correcting roundness or straighteness errors on elongated workpieces with at least one toothed zone such as gear shafts or gear racks |
| 05/06/2009 | CN201231293Y Spiral curved-surface forming device of hob cutter of grass cutter |
| 05/06/2009 | CN201231290Y Coil straightener guiding position limiter |
| 04/30/2009 | DE102007051903A1 Verfahren und Vorrichtung zum Messen und Richten von Rundlauffehlern an Getriebewellen mit Verzahnungen Method and apparatus for measuring and straightening of runout on gear shafts with gears |
| 04/29/2009 | CN101421059A Method for correcting pipe and method for producing pipe by using that correction method |
| 04/22/2009 | EP2050519A1 Shape Correcting Components |
| 04/22/2009 | EP2049278A2 Apparatus and method for restoring the centering of tire rims |
| 04/22/2009 | CN201223910Y Alloy sliding type drum |
| 04/22/2009 | CN201223891Y Manual hack lever straightener for processing bending deformation of hack lever |
| 04/22/2009 | CN101412055A Rotating and straightening method using metal pipe tension |
| 04/15/2009 | CN101410199A Apparatus for pipe end sizing and method for pipe end sizing |
| 04/15/2009 | CN101406909A Method for configuring centralized transmission gear of large-sized multiple-skew roller flattening machine |
| 04/09/2009 | WO2005060518A3 Stress free steel and rapid production of same |
| 04/09/2009 | US20090090159 Pipe expanding method and pipe expanding device for steel pipe |
| 04/08/2009 | EP2000227A9 Metal tube end correcting apparatus and metal tube end correcting method |
| 04/08/2009 | CN201217024Y Upright post straightening press |
| 04/08/2009 | CN101402110A Numerical control aligning and classifying instrument for rotating shaft of series excited machine |
| 04/02/2009 | US20090084150 Circular-shaping device for a rotating part, especially an exhaust housing of a turbo engine |
| 04/02/2009 | DE102007043891A1 Contact roller device for treatment of metal strand by current supply, has rollers forming roller adjusting arrangement with straightening rollers and formed corresponding to cross section of strand, where rollers are fixedly arranged |
| 04/01/2009 | EP2042248A1 Device for circular forming of a revolution piece, in particular a turbomachine exhaust case |
| 04/01/2009 | CN201213517Y Circular tablet machine |
| 03/28/2009 | CA2639865A1 Circular-shaping device for a rotating part, especially an exhaust housing of a turbo engine |
| 03/28/2009 | CA2639848A1 Variable diameter pipe expander |
| 03/25/2009 | CN101392318A Method for spring sizing by using metal transition superplasticity |
| 03/25/2009 | CN101391273A Straightening machine of inner-tension deformation section steel |
| 03/25/2009 | CN100471974C Bainite steel rail with excellent anti-fatigue performance and its production method |
| 03/18/2009 | CN201208621Y Apparatus for straightening cold roller |
| 03/18/2009 | CN201208620Y Slide mechanism for straightening roll walking beam of flattening machine |
| 03/18/2009 | CN101386022A Hot roll T shaped steel production technique for ship |
| 03/11/2009 | CN201205570Y Three-roller flattening machine |
| 03/11/2009 | CN201205569Y Aligning mobile rotary stop block |
| 03/04/2009 | EP1423218B1 Method and apparatus for distorting a workpiece |
| 03/04/2009 | CN101376209A Clamping fixture for correcting total vehicle frame |
| 03/04/2009 | CN101376208A Clamping fixture for correcting vehicle frame |
| 03/04/2009 | CN101376136A Method for producing martensitic stainless steel seamless steel pipe |
| 03/04/2009 | CN101376135A Method for producing improved stainless steel seamless steel pipe |
| 03/04/2009 | CN101376134A Method for producing martensitic stainless steel seamless steel pipe |
| 02/25/2009 | CN201198007Y Leveller roll angular adjustment mechanism of steel pipe flattener |
| 02/18/2009 | CN201195173Y High-accuracy flattener for alloy round timber |
| 02/18/2009 | CN201195172Y Numerical control straightener |
| 02/17/2009 | US7490499 Tube expanding device |
| 02/11/2009 | EP2021144A1 Method of machining the bearing seats of the main and rod bearings of crankshafts |
| 02/11/2009 | CN100460100C Cold-finished seamless steel pipe |
| 02/04/2009 | CN100457311C Apparatus and method for rectifing round pipe and tubing |
| 02/04/2009 | CN100457310C Straightening method and apparatus for small-diameter thin-wall metal tube |
| 01/28/2009 | EP2018911A1 Method for correcting pipe and method for producing pipe by using that correction method |
| 01/22/2009 | DE102008027177A1 Cutting and alignment of extruded-profile component in e.g. automobile industry, employs same holding device for both operations |
| 01/21/2009 | EP2017019A1 Method and device for the manufacture of metal tubes with oval or elliptical section |
| 01/21/2009 | CN201183081Y Spun yarn warp bobbin repairer |
| 01/21/2009 | CN201183080Y Vertical type high-power gag straightener |
| 01/21/2009 | CN201183079Y Lower roller elevating gear of flattener |
| 01/21/2009 | CN100453195C Magnesium alloy extrusion product straightening method and tension straightening machine used therefor |
| 01/14/2009 | CN201179539Y Movable support rack for adjusting and repairing roer |
| 01/14/2009 | CN101342654A High-accuracy thin and long circular axis processing method |
| 01/14/2009 | CN101342551A Sucker rod flattener |
| 01/14/2009 | CN100450707C Process of welding flow passage cover plate and frame of through-flow generator set |
| 01/13/2009 | US7475581 Method of increasing the control precision of the path of a product in a levelling machine with interlocking rollers, and levelling installation used to implement same |