| 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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| 04/17/2013 | CN202877284U Wrapped bearing bush dedicated one-way double-channel horizontal type trueing machine |
| 04/17/2013 | CN103042077A Automobile shock absorber piston rod blank straightening machine |
| 04/17/2013 | CN103042076A Rotating hub type under-pressure balancing device of straightener |
| 04/10/2013 | EP2578331A1 Method and equipment for shaping a cast component |
| 04/10/2013 | CN202861055U Iron coil enlarging device |
| 04/10/2013 | CN202861054U High-precision numerical control round setting machine |
| 04/10/2013 | CN202861053U Round steel straightening machine |
| 04/10/2013 | CN202861052U Pipe straightening device |
| 04/10/2013 | CN202861051U Rotor shaft straightening device |
| 04/10/2013 | CN202861050U Device for correcting inner open crotch dimensions in forklift gantry body |
| 04/10/2013 | CN202861049U Straightness correcting device for long steel cylinder with large caliber |
| 04/10/2013 | CN103028920A U-shaped steel bracket repairing reshaping machine for roadway |
| 04/10/2013 | CN103028637A Inner gear ring correction constant-pressure machine |
| 04/10/2013 | CN103028636A Straightening method of micro metal tube |
| 04/10/2013 | CN103028633A Stretcher leveler chain drive lifting pin mechanism with guiding |
| 04/10/2013 | CN101927279B Straightener for revising hydraulic pressure evenness |
| 04/03/2013 | CN202845525U Rolling hemming shaping tool |
| 04/03/2013 | CN202845510U Top arranged tooling for inner support ring of drying cylinder |
| 04/03/2013 | CN202845509U Pipe correcting device |
| 04/03/2013 | CN202845508U Roller changing mechanism of straightening machine |
| 04/03/2013 | CN202845507U Locking device for roller shell and roll shaft of cantilever straightening machine |
| 04/03/2013 | CN202845506U Tool for shaping inner wall of circular pipe |
| 04/03/2013 | CN103025907A Hot stretch straightening of high strength alpha/beta processed titanium |
| 04/03/2013 | CN103008409A Hydraulic expander for repairing steel coil core |
| 04/03/2013 | CN103008408A Lead screw straightening machine |
| 04/03/2013 | CN103008407A Cooling and straightening device for metal thermal treatment |
| 04/03/2013 | CN103008406A Double-support type steel straightener and quickly-replaceable roller set thereof |
| 04/03/2013 | CN103008405A Production repair device for outer corner protection ring |
| 04/03/2013 | CN103008404A Pulling car alignment machine |
| 04/03/2013 | CN103008403A Support roller of straightening machine |
| 04/03/2013 | CN103008402A Method for straightening flame of large-deformation automobile drive axle housing |
| 04/03/2013 | CN102319772B Improved roundness collecting device |
| 04/03/2013 | CN102266881B Stretching-straightening device for online heating-straightening process of magnesium alloy extrusion material |
| 04/02/2013 | CA2687885C Repair welding method for waterwall tubes |
| 03/27/2013 | CN202824430U Electric expanding, rounding and burring combination device for stainless steel thin wall tubes |
| 03/27/2013 | CN202824281U Dedicated straightening machine of large-scale roll shaft class parts |
| 03/27/2013 | CN202824280U Novel automatic straightening machine |
| 03/27/2013 | CN202824279U Steel straightening device |
| 03/27/2013 | CN202824278U Steel straightening device |
| 03/27/2013 | CN202824277U Steel straightening device |
| 03/27/2013 | CN202824276U Straightening machine for longitudinal submerged arc welded steel pipe |
| 03/27/2013 | CN202824275U Finishing device for flat steel |
| 03/27/2013 | CN202824274U Aluminum section trimmer |
| 03/27/2013 | CN202824273U 自动校直机 Automatic Straightening Machine |
| 03/27/2013 | CN202824272U Connecting rod straightening machine |
| 03/27/2013 | CN202824271U Inner reshaping and fitting device of conduit and conduit bend |
| 03/27/2013 | CN202824270U Steel tube straightening support for scaffold |
| 03/27/2013 | CN202824269U Hot straightening brake disc reforming device |
| 03/27/2013 | CN202824257U Steel straight rolling device |
| 03/27/2013 | CN202824256U Steel straight rolling device |
| 03/27/2013 | CN102996648A Bearing unit used for copper pipe circle checking and applied copper pipe circle checking device thereof |
| 03/27/2013 | CN102996647A Bearing unit used for copper pipe straightening and applied copper pipe straightening device thereof |
| 03/27/2013 | CN102989842A Steel pipe end rounding machine |
| 03/27/2013 | CN102632113B On-line red steel elbow straightener |
| 03/26/2013 | US8406590 Apparatus for manufacturing an optical cable and cable so manufactured |
| 03/21/2013 | WO2013037725A1 Device for correcting the shape of a bent metal bar and corresponding method |
| 03/20/2013 | CN202803843U Pipe correcting device |
| 03/20/2013 | CN202803842U Pipe spacer correcting device |
| 03/20/2013 | CN202803841U Clearance adjusting device for working roll of straightener |
| 03/20/2013 | CN202803840U Online pipe straightening device |
| 03/20/2013 | CN202803839U Adjusting structure for upper straightening rolls of straightening machine |
| 03/20/2013 | CN202803838U Orthotic machine for cold draw structural steel |
| 03/20/2013 | CN202803837U Pressure leveling device of vertical saw blade basal body |
| 03/20/2013 | CN202803836U Wheel set correction platform |
| 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 | CN102985783A Heat transfer tube for steam generator and method for producing same |
| 03/13/2013 | CN202779511U Pre-rotation input mechanism of two-roller straightening machine |
| 03/13/2013 | CN202779299U Cold bending and straightening tooling for welding H-shaped steel |
| 03/13/2013 | CN202779298U I-beam straightening machine |
| 03/13/2013 | CN202779297U Correction device for square tubes |
| 03/13/2013 | CN202779296U Reshaping and repairing machine of U-shaped support steel |
| 03/13/2013 | CN202779295U Steel pipe reshaping and straightening machine |
| 03/13/2013 | CN202779294U Coarse straightening machine for flat steel |
| 03/13/2013 | CN202779293U Square steel straightening machine |
| 03/13/2013 | CN202779292U Hexagonal square steel straightening machine |
| 03/13/2013 | CN202779291U Foursquare steel straightening machine |
| 03/13/2013 | CN202779290U Lower roll angle adjusting device of tubular bar straightening machine |
| 03/13/2013 | CN202779289U Improved angle steel straightening roll |
| 03/13/2013 | CN202779288U Uncoiling and straightening device of coiling steels |
| 03/13/2013 | CN202779287U Hydraulic straightening equipment |
| 03/13/2013 | CN202779286U Thermal correcting device for air valve |
| 03/13/2013 | CN102965489A Device and method for thermal treatment and online straightening of elongated rod type parts |
| 03/13/2013 | CN102962290A High-efficiency production process capable of improving surface accuracy of cold-drawn seamless steel tube |
| 03/07/2013 | WO2013031879A1 Welded steel pipe fabrication method and welded steel pipe |
| 03/07/2013 | WO2011101763A3 Method and apparatus for straightening iron rods and the like |
| 03/07/2013 | CA2846476A1 Method for producing welded steel pipe and welded steel pipe |
| 03/06/2013 | CN202762876U Inlet device of round bar straightening machine |
| 03/06/2013 | CN202762825U Big-opening full circle mould of diffuser in automobile exhaust gas recirculation cooling system |
| 03/06/2013 | CN202762777U Wheel hub deformation repair tooling |
| 03/06/2013 | CN202762776U Port repairing device |
| 03/06/2013 | CN202762775U Simple pump shaft straightening device |
| 03/06/2013 | CN202762774U Deformation rectification device for aluminum alloy section bar |
| 03/06/2013 | CN102950531A Rapid complete coil polishing device |
| 03/06/2013 | CN102266883B Spool shaping machine |
| 02/27/2013 | CN202752451U Revising mould for ovality of pipe ends of welded steel pipe |
| 02/27/2013 | CN202752401U Tubing rounding device |
| 02/27/2013 | CN202752400U Spray gun straightener |
| 02/27/2013 | CN202752399U On-line cleaning and finishing device |
| 02/27/2013 | CN202752398U V-shaped straightening roller for online high-temperature round straightener |