| 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) |
|---|
| 12/29/2005 | DE102005027640A1 Method for automatically bending longitudinal workpieces comprises using a spacer measuring step with a spacer measuring device with slides |
| 12/28/2005 | CN1712151A Design method and device for hydraulic stretch flattener |
| 12/28/2005 | CN1233484C Duplex type machine for straightening and cutting off reinforcing steel bars |
| 12/14/2005 | CN1231309C Aligning method for integral key shaft |
| 12/14/2005 | CN1231308C Straightening machine for rolling iron products having horizontal opening shoulder part capable of quickly change rolls |
| 12/07/2005 | CN1704183A Aluminum alloy tubing straightening method and special fixture thereof |
| 12/01/2005 | DE202004009261U1 Method for automatically bending longitudinal workpieces comprises using a spacer measuring step with a spacer measuring device with slides |
| 11/23/2005 | CN2741688Y Flattening machine |
| 11/23/2005 | CN2741687Y Work piece transport device for large hydraulic straightener |
| 11/09/2005 | CN2738915Y Reshaping mechanism |
| 11/01/2005 | US6959572 Fixture for holding metals parts for bending or twist correction |
| 10/27/2005 | WO2005101223A2 Apparatus for straightening a propeller drive shaft |
| 10/26/2005 | CN1686631A Designing method of prestressed machine frame |
| 10/19/2005 | CN2734770Y Bearing supported labyrinth type waterproof long-tri-roller aligning quenching machine tool |
| 10/06/2005 | US20050217341 Apparatus for straightening a propeller drive shaft |
| 09/28/2005 | CN2728666Y Oxidation iron sheet driving separator of biroller straightening polishing mill |
| 09/15/2005 | DE10354554B4 Vorrichtung zum Richten eines Rohres Means for directing a tube |
| 09/14/2005 | CN2724874Y Jacking up type hydraulic system steel billet withdrawal straightening machine |
| 09/13/2005 | CA2288421C Bending rolls, and pipe formed thereby |
| 09/06/2005 | US6938447 Apparatus and method of correcting deformation of gas turbine blade |
| 09/01/2005 | US20050191509 Cold finished seamless steel tubes |
| 08/31/2005 | CN2721271Y Sectional steel straightener with axial adjustment |
| 08/31/2005 | CN2721263Y Apparatus for machining stainless steel coated irregular tubes |
| 08/31/2005 | CN1660538A Laser method for repairing rotor shaft of generator and steam turbine and dedicated device |
| 08/30/2005 | CA2325127C Method for the manufacture of bundles of metal sheets of annular shape |
| 08/24/2005 | CN2719438Y Overhead concession-protective oil-cylindr cross-roll straightening machine |
| 08/24/2005 | CN2719437Y Highway guardrail upright-post straightening machine |
| 08/18/2005 | WO2005075121A1 Cold-finished seamless steel pipe |
| 08/17/2005 | EP1294503B1 Section straightening machine |
| 08/11/2005 | DE10202564B4 Verfahren zum Fest- und Richtwalzen einer Kurbelwelle für einen Verbrennungsmotor Method for fixed and straightening rolls a crankshaft for an internal combustion engine |
| 08/10/2005 | CN2715877Y Straightening, cleaning and painting machine for steel pipe |
| 08/03/2005 | EP1558410A1 Device for checking and regulating wire wheels |
| 08/02/2005 | US6923031 Apparatus and method for removing dents from metal |
| 08/02/2005 | CA2243702C Process and device for producing pipes as per the uoe-process |
| 07/27/2005 | CN1644260A Calibrat roller adjuster of roller number variable rollering calibrator |
| 07/20/2005 | CN2710785Y Two curve wheel set and rotating hub type straightener for scaffold tubes |
| 07/20/2005 | CN2710784Y Curve wheel structure of steel tube straightener |
| 07/13/2005 | CN2709460Y Four-link coplanar anode steel claw inner bent straightening device |
| 07/07/2005 | WO2005060518A2 Stress free steel and rapid production of same |
| 07/06/2005 | EP1448323B1 Device for production of a tube |
| 07/06/2005 | CN1635300A Stainless steel clad non-circular pipe and processing method and processing equipment therefor |
| 06/23/2005 | DE10354554A1 Vorrichtung zum Richten eines Rohres Means for directing a tube |
| 06/22/2005 | CN2705472Y Pushing device for six claw, eight claw anode claw straigthener |
| 06/21/2005 | US6907766 Lip forming tool for firearm magazines |
| 06/16/2005 | US20050126252 Apparatus for straightening pipe |
| 06/02/2005 | US20050115646 Stress free steel and rapid production of same |
| 05/25/2005 | EP1533051A1 Device for straightening a tube |
| 05/25/2005 | CN2701550Y Clip-to-install type wall plate for straightener back up roll |
| 05/25/2005 | CN1202923C Correcting unit for engine crank shaft deformation and correcting method |
| 05/04/2005 | CN2696874Y Rim corrector |
| 04/26/2005 | US6884013 Mounting and dismounting mechanism for a straightening or calibrating roller rotatable about a spindle and provided with a circular groove |
| 04/21/2005 | US20050082345 Device for production of a tube |
| 04/21/2005 | US20050081378 Arrangement for crankshaft straightening |
| 04/06/2005 | CN1603063A Method for preparing anode copper ball and apparatus thereof |
| 03/23/2005 | CN2686758Y Rollertype straightening machine main driving device |
| 03/23/2005 | CN1193836C Plate and band material roll spacing adjustable flattening machine |
| 03/17/2005 | US20050056068 Method of operating a section straightening machine |
| 03/16/2005 | EP1514619A2 Pipe forming method and apparatus |
| 03/09/2005 | EP1511587A1 Feeding duct for a straightening machine |
| 03/09/2005 | CN2683927Y Buffering yielding protecting hydraulic cylinder of skew roller straightening machine |
| 02/24/2005 | DE20315916U1 Straightening and rectification bench for automotive sheet metal components has hammer sliding between waiting and operating positions |
| 02/24/2005 | DE10333200A1 Method for straightening of diecast structural components especially of aluminum uses stamping tool to calibrate part between tool sections, and stamp component rib |
| 02/23/2005 | CN2680685Y incurve straightener for anode steel claw with six claws |
| 02/17/2005 | DE10329525A1 Verfahren zum Richten von warmen Profilen Method for directing warm profiles |
| 02/16/2005 | CN2679957Y Energy saving heater for anode steel grab internal bend leveler |
| 02/16/2005 | CN2679167Y Internal bend coalignment for anode steel crab |
| 02/09/2005 | CN2677388Y Vertical aluminium guide bar straightener |
| 02/08/2005 | US6851176 Method for the manufacture of bundles of metal sheets of annular shape |
| 01/27/2005 | DE10053933B4 Verfahren zum Richten einer Schiene A method for directing a rail |
| 01/18/2005 | US6843091 Section straightening machine |
| 01/13/2005 | DE20122269U1 Machine used for rolling sheet metal has a pair of exchangeable counter rolls located on a first free end of its shaft |
| 01/13/2005 | DE10329014A1 Method of eliminating local weakening of cast or sheet metal component involves heating restricted area outside zone of weakening |
| 01/06/2005 | WO2005000495A1 Method for leveling hot profiles |
| 01/05/2005 | CN1559717A Method for correcting workpiece crosssection shape of pipe bended by pipe bending machine |
| 12/29/2004 | WO2004112978A1 Apparatus for rectifying round pipe and tubing |
| 12/29/2004 | EP1490189A1 Device and method for straightening semi-finished products |
| 12/15/2004 | CN2663046Y Stretching-straightening device for aluminium profile extruded product |
| 12/09/2004 | DE20221058U1 Richtmaschine mit klemmbarer Pinole Straightener with clampable Pinole |
| 12/08/2004 | CN2661334Y Biscuit botch type guiding roller of hot rolled rib attached reinforced bar straightening machine |
| 12/07/2004 | US6827127 Method for the blasting calibration of a chill mold |
| 12/02/2004 | US20040238594 Synchronized tubular friction welding arrangement |
| 12/02/2004 | US20040237622 Method and apparatus for distorting a workpiece |
| 11/30/2004 | US6823707 Mobile flange press and method |
| 11/25/2004 | US20040231381 Shaft truing system |
| 11/25/2004 | US20040231121 True vehicle running center shaft assembly system |
| 11/17/2004 | CN2656041Y Three dimension multislant roller round material straightening machine |
| 11/10/2004 | CN2654238Y Steel billet clamping and delivering device of headless rolling equipment |
| 11/04/2004 | DE19527358B4 Maschine zum Richten verformter Stahlspundbohlen Machine for straightening deformed steel sheet piles |
| 10/28/2004 | WO2004091825A1 Correcting method for titanium and titanium alloy wire rods |
| 10/27/2004 | CN1539568A Straightener for 3D round bar with multiple skew rollers |
| 10/27/2004 | CN1539567A Method for producing modified half-hollw section of pure copper |
| 10/20/2004 | CN1171769C Bulk granular material loading vehicle |
| 10/06/2004 | CN2645810Y Detachable rib guide roller for hot-roll of rib reinforcing steel |
| 09/23/2004 | DE19719565B4 Schrägwalzenrichtmaschine Angular contact roller leveler |
| 09/22/2004 | CN2642423Y Multifunctional adjustable device for a wheeling machine |
| 09/22/2004 | CN1530187A Bender |
| 09/15/2004 | CN1528538A Fixed roll radian-change bending-point position cold-bending shaping process |
| 09/08/2004 | CN1165392C Tube shaping equipment using tube bending roll, its shaping method and tube |
| 09/01/2004 | CN2637018Y New type cross roll straightener slide sleeve lower roll adjiusting device |
| 08/25/2004 | EP1448323A1 Device for production of a tube |