| 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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| 02/27/2013 | CN202752397U Tensioning and regulating mechanism of steel pipe straightener |
| 02/27/2013 | CN202752396U Steel bar straightener |
| 02/27/2013 | CN202752395U Lead frame of steel bar straightener |
| 02/27/2013 | CN202752394U Heat sink device of steel pipe straightener |
| 02/27/2013 | CN202752393U Feeding device of steel pipe straightener |
| 02/27/2013 | CN202752392U Correcting machine |
| 02/27/2013 | CN202752388U Processing equipment of deformed products |
| 02/27/2013 | CN102941252A Automatic screw straightening device and method |
| 02/27/2013 | CN102941251A Device and method for correcting roundness of hanging basket barrel body |
| 02/20/2013 | CN202741536U Line pipe straightening and bending forming integrated machine |
| 02/20/2013 | CN202741534U Vacuum tube solar water heater project header inner container port shaping flanging all-in-one machine |
| 02/20/2013 | CN202741494U Novel anchor rod straightener |
| 02/20/2013 | CN202741493U Pressure-bearing solar thermal collector fin interface shaping device |
| 02/20/2013 | CN202741492U Steel pipe straightening machine |
| 02/20/2013 | CN202741491U Flattening device |
| 02/20/2013 | CN202741490U Adjusting and repairing device for steel channel beam body |
| 02/14/2013 | US20130036787 Pipe expander |
| 02/13/2013 | CN202725693U Tire mold correcting machine |
| 02/13/2013 | CN202725692U Tool special for correcting check twisting device |
| 02/13/2013 | CN202725691U Sidewise bending correcting device for single-fin heat-exchanging pipe |
| 02/13/2013 | CN202725690U Rotary straightening device for hot-forging front axle |
| 02/13/2013 | CN202725689U Simple multifunctional straightener for angle bars |
| 02/13/2013 | CN202725688U Lifting type steel pipe straightening machine |
| 02/13/2013 | CN202725687U Adjusting device for skid |
| 02/13/2013 | CN202725686U Guide rail correcting device of escalator or moving sidewalk |
| 02/13/2013 | CN202725679U Hydraulic calibration machine tool |
| 02/13/2013 | CN102926320A U-shaped variable-cross-section hot rolling reinforcing rib for bridge and production process thereof |
| 02/13/2013 | CN102921773A 校正机 Correction Machine |
| 02/13/2013 | CN102921752A Hydraulic pressure cold-drawing production technique of metal pipe, and complete device of hydraulic pressure cold-drawing production technique |
| 02/12/2013 | US8372521 Twisted wire and method of producing twisted wire |
| 02/06/2013 | EP2554287A1 Straightening roll and method for straightening pipes |
| 02/06/2013 | CN202716038U Multi-functional full-automatic aluminum lantern ring machine |
| 02/06/2013 | CN202715663U Straightening machine of curved straightening rollers |
| 02/06/2013 | CN202715662U Straightening roll for short pipe |
| 02/06/2013 | CN202715658U Metal plate leveling machine |
| 02/06/2013 | CN102909241A Drilling tool correcting device |
| 02/05/2013 | US8365564 Ring rolling mill and ring rolling method |
| 01/30/2013 | CN202707934U Gear box structure of precise leveling machine |
| 01/30/2013 | CN202701057U Circle detecting and circular degree reforming device for mouth of seamless steel tube |
| 01/30/2013 | CN202701056U Special pipe straightening platform |
| 01/30/2013 | CN202701055U 液压校直机 Hydraulic straightening machine |
| 01/30/2013 | CN202701054U Formed steel welding deformation adjusting device |
| 01/30/2013 | CN202701053U Circular tube straightening platform |
| 01/30/2013 | CN202701052U Automatic leveling straightening device for cutting die steel |
| 01/30/2013 | CN202701051U Continuous type steel pipe straightener |
| 01/30/2013 | CN202701050U Installation structure for rollers of six-roller straightening machine |
| 01/30/2013 | CN202701049U Straightening machine for T-shaped steel |
| 01/30/2013 | CN202701048U Magnet ring reshaping device |
| 01/30/2013 | CN202701047U Straightening machine for straightening deformed angle iron |
| 01/30/2013 | CN202701046U Sliding device of centering roller stander |
| 01/30/2013 | CN202701045U Installation structure for connecting shaft of drum press |
| 01/30/2013 | CN202701044U Straightening machine station adjustment clamping positioning mechanism |
| 01/30/2013 | CN202701043U Horizontal type gag press straightening machine main rack mechanism |
| 01/30/2013 | CN202701042U Multiple pore position shaping structure |
| 01/30/2013 | CN202701041U Clamping device for clamping centering trolley |
| 01/30/2013 | CN202701040U Girder down-warping repairing device for bridge crane |
| 01/30/2013 | CN202701035U Leveling roller structure for leveling machine |
| 01/30/2013 | CN202701031U Detection probe structure for horizontal-type pressure straightening machine |
| 01/30/2013 | CN102266880B Moving operating platform for rail correcting hydraulic press |
| 01/23/2013 | CN202683794U Square hole punching mold |
| 01/23/2013 | CN202683681U Large diesel engine crankshaft installing and debugging device |
| 01/23/2013 | CN202683680U Device for leveling flat washer automatically |
| 01/23/2013 | CN202683679U Wheel hub shaping device |
| 01/23/2013 | CN102886400A Hot work bending technology for spatial hyperbolic circular tube |
| 01/22/2013 | US8356502 Material forming machine incorporating quick changeover assembly |
| 01/17/2013 | WO2013008081A1 Straightening device with hyperbolic rolls for metal products and corresponding method |
| 01/16/2013 | EP2544836A2 Method and apparatus for straightening iron rods and the like |
| 01/16/2013 | CN202667468U Hydraulic steel tube expanding machine |
| 01/16/2013 | CN202667335U Expanding tire device for magnetic steel hub |
| 01/16/2013 | CN202667334U Hydraulic straightener |
| 01/16/2013 | CN202667333U Reshaping clamp for hard lump formed after spot welding of copper braided wire |
| 01/16/2013 | CN202667332U Straightening device for steel |
| 01/16/2013 | CN202667331U Machine for pressing, clamping and straightening steel liners of plastic-steel doors and windows |
| 01/16/2013 | CN202667327U Upper roller box locking detection device of straightening machine |
| 01/16/2013 | CN102873139A Reshaping mechanism for cylinderical workpiece mounted to pressing machine |
| 01/16/2013 | CN102873138A Straightening device for steel product |
| 01/16/2013 | CN102873137A Straightener structure convenient in roll replacement |
| 01/16/2013 | CN102873136A Rolling straight device for steels |
| 01/16/2013 | CN102873135A Rolling straight device for steels |
| 01/16/2013 | CN102248143B Upper and lower roller dual-drive pincer-type pulling-straightening machine with independent frame |
| 01/09/2013 | CN202655402U Device for adjusting roundness of penstock and supporting penstock |
| 01/09/2013 | CN202655401U Steel tube straightener |
| 01/09/2013 | CN202655400U Fully-automatic workpiece alignment device |
| 01/09/2013 | CN202655399U Precise straightening machine for elevator guide rail |
| 01/09/2013 | CN202655398U Multi-directional cylinder correction structure |
| 01/09/2013 | CN202655397U Angle steel straightening machine |
| 01/09/2013 | CN202655396U Hydraulic stretching straightening machine |
| 01/09/2013 | CN202655395U Section correcting device |
| 01/09/2013 | CN202655394U Internal expanding shaping structure |
| 01/09/2013 | CN202655393U Expansion sleeve |
| 01/09/2013 | CN202655392U Hard flywheel straightening device |
| 01/09/2013 | CN202655391U Metal roll material leveling device |
| 01/09/2013 | CN202655378U Novel planetary tube rolling mill |
| 01/09/2013 | CN102861798A Method for processing elevator accessories |
| 01/09/2013 | CN102861793A Tool for inner supporting ring of drying cylinder |
| 01/09/2013 | CN102861792A Calibration method of blade |
| 01/09/2013 | CN102861791A Hydraulic pneumatic linked straightening machine |
| 01/09/2013 | CN102166589B Method for producing ultrahigh-precision hard disk driving arm sections |
| 01/09/2013 | CN102151722B Stretching straightener of pumping rod |
| 01/09/2013 | CN101391273B Straightening machine of inner-tension deformation section steel |