| 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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| 12/25/2013 | CN103464533A Movable rotatable radian regulation device |
| 12/19/2013 | WO2013186733A1 A method and apparatus for opening pipes |
| 12/18/2013 | CN203346440U Heat treatment and straightening integrated device used in wire rod production process |
| 12/18/2013 | CN203343226U Multi-caliber roundness correction unit |
| 12/18/2013 | CN203343225U Flattener upper portion opening device |
| 12/18/2013 | CN203343224U Bent steel tube straightening device with detector |
| 12/18/2013 | CN203343223U Lower die bottom of steel pipe pressure straightening machine |
| 12/18/2013 | CN203343222U Closed-loop control single straightening pressing machine control device structure |
| 12/18/2013 | CN203343217U Precise sizing device for sizing brake shoes |
| 12/18/2013 | CN203343214U Closing locating device of flattener |
| 12/18/2013 | CN103447719A Method for correcting welding deformation of mill manhole |
| 12/18/2013 | CN103447358A T-section steel straightening machine |
| 12/18/2013 | CN103447357A Method for straightening stirrer shaft |
| 12/18/2013 | CN103447356A Hydraulic shaping machine |
| 12/18/2013 | CN103447355A Shaft workpiece disassembling device |
| 12/18/2013 | CN102653054B Straightening method and straightening device of short bar stock |
| 12/11/2013 | CN203330244U Steel tube straightening and protecting device |
| 12/11/2013 | CN203330192U On-line shaping device |
| 12/11/2013 | CN203330191U Device for straightening angle steel of electric power iron tower |
| 12/11/2013 | CN203330190U Straightening device for steel pipe of electric power steel tower |
| 12/11/2013 | CN203330189U Pre-bending-type automatic control straightening device |
| 12/11/2013 | CN203330188U Shaft part straightening clamp |
| 12/11/2013 | CN203330187U Reshaping machine for inner hole of frame member |
| 12/11/2013 | CN203330186U Steel tube mouth roundness adjustment device for electric power iron tower |
| 12/11/2013 | CN203330185U Auxiliary device for ellipticity correcting in large-aperture steel pipeline manufacturing |
| 12/11/2013 | CN103433658A Postwelding correcting tool and method for hollow extruded section bar |
| 12/11/2013 | CN103433337A Reshaping machine for pole group pole lugs of storage battery |
| 12/11/2013 | CN103433336A Four-point bending back-and-forth pressure straightening method of profile and straightening device |
| 12/11/2013 | CN103433335A Straightening equipment in common use for copper-nickel pipes |
| 12/04/2013 | CN203317783U Mining pneumatic press machine |
| 12/04/2013 | CN203316610U Pipe fitting mouth shaping die |
| 12/04/2013 | CN203316537U Flywheel roundness correcting punch mechanism with real-time crack identification function |
| 12/04/2013 | CN203316536U Device for correcting shape of wheel blank |
| 12/04/2013 | CN203316535U Roller cover plate repair device of empty chain conveyor system hoisting tool trolley |
| 12/04/2013 | CN203316534U Collimating-type automatically controlled straightening device |
| 12/04/2013 | CN203316533U Straight pipe opening shaping die |
| 12/04/2013 | CN203316532U Straight pipe opening shaping die |
| 12/04/2013 | CN203316531U Casual inspection control system for straightening quality of heavy rail |
| 12/04/2013 | CN203316530U Profile steel integral twist correction mold mechanism |
| 12/04/2013 | CN203316529U Oil pumping polish rod corrector |
| 12/04/2013 | CN203316528U Heating power straightening machine |
| 12/04/2013 | CN203316477U B-type sectional material rolling forming equipment |
| 12/04/2013 | CN103418643A 校直机构 Straightening agency |
| 12/04/2013 | CN103418642A Elevator guide rail precision leveler |
| 12/04/2013 | CN102581081B Process for straightening driving conical gear of drive axle |
| 11/27/2013 | CN203304340U Strain clamp hydraulic shaping device |
| 11/27/2013 | CN203304339U Cantilever type straightening machine |
| 11/27/2013 | CN203304338U Chip-embedded straightening roll |
| 11/27/2013 | CN203304337U Screw down mechanism of leveler |
| 11/27/2013 | CN203304336U Copper pipe straightening device |
| 11/27/2013 | CN203304332U Roller system included angle screw-down adjusting mechanism of leveler |
| 11/27/2013 | CN103406402A Dana main shaft online rapid and precise straightening machine |
| 11/27/2013 | CN103406401A Heavy rim rounder |
| 11/27/2013 | CN103406400A Pipeline straightening wheel device |
| 11/27/2013 | CN103406399A Steel tube straightening device |
| 11/27/2013 | CN103406398A Combined correction jig |
| 11/27/2013 | CN103406397A Straightening equipment for copper-nickel pipe |
| 11/27/2013 | CN103406396A Uniform straightening equipment for copper-nickel pipe |
| 11/27/2013 | CN103406395A Automatic straightening equipment for copper-nickel pipe |
| 11/27/2013 | CN103406394A Multifunctional steel pipe shape-adjusting device |
| 11/27/2013 | CN102581154B Reducing rolling rounding device for stainless steel pipe ports |
| 11/27/2013 | CN102513827B Automatic production line of linear slide rail |
| 11/27/2013 | CN102172680B Micro-tension equal-torque metal material straightening method |
| 11/20/2013 | CN203292828U Automatic straightening and cutting device for copper bar for test detection |
| 11/20/2013 | CN203292305U Deformation straightening die for automobile clutch damping disc |
| 11/20/2013 | CN203292240U Plate lug shaping mechanism |
| 11/20/2013 | CN203292239U Iron wire ring shaping device |
| 11/20/2013 | CN203292238U Ellipse correction device |
| 11/20/2013 | CN203292237U Aluminum section bar reshaping equipment |
| 11/20/2013 | CN203292236U Automatic conveying and leveling device for steel strip coil |
| 11/20/2013 | CN203292235U Tension straightener rack |
| 11/20/2013 | CN203292234U Universal stressing device for leveling machine lifting |
| 11/20/2013 | CN203292233U Leveling treatment device for filter screen of air conditioner |
| 11/20/2013 | CN203292225U Internal drawing type discharge mechanism |
| 11/20/2013 | CN103398143A Power motor reducer of straightener |
| 11/20/2013 | CN103394924A H-shaped steel assembling, welding and straightening all-in-one machine with welding deformation straightening device |
| 11/20/2013 | CN103394555A Straight metal pipe reshaping device |
| 11/20/2013 | CN103394554A Automatic detecting maintaining device of construction scaffold steel tubes |
| 11/20/2013 | CN103394553A Efficient steel tube straightening device |
| 11/20/2013 | CN103394552A Automatic shaping device for straight pipe |
| 11/20/2013 | CN103394551A Shaping device for straight pipe |
| 11/20/2013 | CN103394550A Non-contact straightening point confirming method for straightness of rectangular-section long-rail work piece |
| 11/20/2013 | CN102527777B Flat steel straightening machine |
| 11/20/2013 | CN102513654B Cold roll forming online automatic welding device |
| 11/13/2013 | CN203281772U Metal wire bend-forming die |
| 11/13/2013 | CN203281660U Shaping die for ribbon cage |
| 11/13/2013 | CN203281659U Central beam deflection adjusting device |
| 11/13/2013 | CN203281658U Flattening and straightening machine |
| 11/13/2013 | CN203281657U Adjustable running gear of H-shaped steel straightener |
| 11/13/2013 | CN203281656U Double-support vertical straightening machine |
| 11/13/2013 | CN203281655U Straightener allowing roller to be rapidly replaced |
| 11/13/2013 | CN203281654U Section steel rolling straightening adjustment device |
| 11/13/2013 | CN103386428A Efficient vertical steel pipe straightener structure |
| 11/07/2013 | US20130291616 Hot stretch straightening of high strength age hardened metallic form and straightened age hardened metallic form |
| 11/06/2013 | CN203265402U Sunlight heat reflection lens support shape righting mould |
| 11/06/2013 | CN203265323U Novel straightening device for bent steel pipe |
| 11/06/2013 | CN203265322U Drill pipe straightening device |
| 11/06/2013 | CN203265321U Bent steel pipe straightening device with sweeping and detecting device |
| 11/06/2013 | CN203265320U Straightening device of special radiator unit |
| 11/06/2013 | CN203265319U Moderate straightening device for continuous heat treatment production line |