| 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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| 08/28/2013 | CN103264070A Double-bracing vertical type straightening machine |
| 08/28/2013 | CN102489621B Vertical lifting flexible feeding system of bar straightening machine |
| 08/21/2013 | CN203140495U Axial tube leading straightener device |
| 08/21/2013 | CN203140494U Straightening device for inner side of cylindrical steel element |
| 08/21/2013 | CN203140493U Anti-loosening and self-locking mechanism of screw-down and adjusting device of metal tube straightener |
| 08/21/2013 | CN203140492U Automatic alignment device for elevator guide rail |
| 08/21/2013 | CN203140491U Automatic aligning device for elevator guide rail |
| 08/21/2013 | CN203140490U Anti-distortion device of irregularly-shaped sectional material straightening system |
| 08/21/2013 | CN203140488U Detachable leveling mechanism with leveling rollers facilitating cleaning |
| 08/21/2013 | CN103252389A Brake pad extruded aluminum section performance improvement technique |
| 08/21/2013 | CN103252388A Pressure-bearing device for correcting channel steel |
| 08/21/2013 | CN103252387A 5mm-thick coiled material leveling machine |
| 08/21/2013 | CN103252386A Sizing die |
| 08/21/2013 | CN102248089B Steel turning device |
| 08/20/2013 | US8511130 Method for preventing or arresting crack development and propagation |
| 08/15/2013 | US20130205859 Impingement shield shaping tool and method for using same |
| 08/15/2013 | US20130205853 Tool designed for restoration/repair of formwork props, and its usage |
| 08/14/2013 | CN203124604U Drawing and inserting mechanism of radiating copper pipe of air conditioner |
| 08/14/2013 | CN203124491U Steel tube straightener |
| 08/14/2013 | CN203124490U Pneumatic shaping machine |
| 08/14/2013 | CN203124489U Shaper capable of shaping parts quickly |
| 08/14/2013 | CN203124488U Correction device for scaffold steel tube |
| 08/14/2013 | CN203124487U Built-in backlash-free gear angle adjusting device of inclined roller straightening machine |
| 08/14/2013 | CN203124486U Novel backlash-free gear angle adjusting device of inclined roller straightening machine |
| 08/14/2013 | CN203124485U Straightening and rounding machine for tubular products |
| 08/14/2013 | CN203124484U Press-down balancing device of turning hub type straightening machine |
| 08/14/2013 | CN203124483U Elbow straightener |
| 08/14/2013 | CN203124482U Integrated steel pipe processor |
| 08/14/2013 | CN203124481U Novel anchor rod clamp |
| 08/14/2013 | CN103240337A Correction die and method for support casting of guide vane margin plate of turbine |
| 08/14/2013 | CN103240301A Slender rod metal part straightening method and mold |
| 08/14/2013 | CN102357567B Thick and flat steel turning mechanism for thick and flat steel horizontal gag straightener |
| 08/14/2013 | CN102211119B Method and device for calibrating longitudinal welding seam of steel pipe |
| 08/08/2013 | WO2012099857A8 Post straightening apparatus and method |
| 08/07/2013 | CN203109093U T-shaped guide rail aligning guider |
| 08/07/2013 | CN203108988U Circle correcting mold of large circular annular component |
| 08/07/2013 | CN203108987U Seam-pressing and round-adjusting device of pressure steel tube |
| 08/07/2013 | CN203108986U Locking device |
| 08/07/2013 | CN203108985U Channel steel precision straightening machine |
| 08/07/2013 | CN203108984U Tool for reshaping base of oil atomizer |
| 08/07/2013 | CN203108983U Gate embedded part correcting device |
| 08/07/2013 | CN103230967A Special straightening device for radiator unit |
| 08/07/2013 | CN103230966A Upper roller frame system suitable for precise leveling machine |
| 08/07/2013 | CN102187175B Device for measuring and correcting a parallelism error of a nuclear fuel rod |
| 08/06/2013 | US8499605 Hot stretch straightening of high strength α/β processed titanium |
| 08/06/2013 | US8499602 Decorative hollow tubing for use in furniture manufacture and method for manufacturing |
| 07/31/2013 | CN203091483U Shaping device of container bottom side beam |
| 07/31/2013 | CN203091482U Tool for rectifying forms of hollow aluminum profiles |
| 07/31/2013 | CN203091481U Straightening tool for steel tube power climbing ladder |
| 07/31/2013 | CN203091480U Guide sleeve of rotary straightener |
| 07/31/2013 | CN203091479U Steel rail vertical straightening machine with overrun clutch |
| 07/31/2013 | CN203091478U Straightening machine of circular nickel electrolytic conductive rod |
| 07/31/2013 | CN203091477U Novel uncoiling and flattening shearing machine transmission device |
| 07/31/2013 | CN203091476U Welding seam edge angle shape righting device |
| 07/31/2013 | CN203091475U Reshaping tool appropriate for refrigerated container hanging machine seat |
| 07/31/2013 | CN103228373A Bending-straightening machine for a long workpiece, device for feeding in and removing said workpiece and method for bend-traightening long workpieces |
| 07/31/2013 | CN102205361B Straightening roller adjusting device for special-shaped section roller straightening machine |
| 07/24/2013 | CN203076382U Portable belt lever straightening machine used in underground |
| 07/24/2013 | CN203076381U Hydraulic expander for repairing steel coil core |
| 07/24/2013 | CN203076380U Modifying and repairing clamp composed of wheel seats |
| 07/24/2013 | CN203076379U Automatic bonding flattening machine of drum brake |
| 07/24/2013 | CN203076378U Straightening-out mechanism in solder strip shearing equipment |
| 07/24/2013 | CN203076377U Shape-adjusting ejecting and pressing device |
| 07/24/2013 | CN103212961A Pipe winding machine for inner container of full-automatic refrigerator |
| 07/24/2013 | CN103212651A Automatic feeding and reshaping device for stamping bearing |
| 07/24/2013 | CN103212607A Distortion rectification mould and distortion rectification method for sunlight heat reflecting lens support |
| 07/24/2013 | CN101791641B Method of calibrating a connecting rod arrangement and connecting rod arrangement |
| 07/18/2013 | US20130180307 Gripper head for gripping arrangements for manipulating long workpieces, device for feeding long workpieces into and removing same from a processing machine and method for bend-straightening long workpieces |
| 07/17/2013 | CN203065528U Device for heat treatment and online straightening of slender rod type parts |
| 07/17/2013 | CN203061608U Automatic shaft body straightening machine |
| 07/17/2013 | CN203061607U Annular gear correcting balancing press machine |
| 07/17/2013 | CN203061606U Straightening device for sectional material |
| 07/17/2013 | CN103203397A Shaping machine for aluminum profile |
| 07/17/2013 | CN103203396A Process for correcting air table by pressure, water and fire |
| 07/10/2013 | EP2611555A1 Bending-straightening machine for a long workpiece, device for feeding in and removing said workpiece and method for bend-straightening long workpieces |
| 07/10/2013 | EP2611554A1 Gripper head for gripping arrangements for manipulating long workpieces, device for feeding long workpieces into and removing same from a processing machine and method for bend-straightening long workpieces |
| 07/10/2013 | EP2483007B1 Repairing compressor blades by cold compacting |
| 07/10/2013 | CN203044732U Discharging device of straightening machine |
| 07/10/2013 | CN203044589U Circle binding tool of thin-walled part |
| 07/10/2013 | CN203044588U Fitting-up welding correction device of heavy caliber steel pipes |
| 07/10/2013 | CN203044587U Hydraulic correcting device |
| 07/10/2013 | CN203044586U Flat steel leveling and straightening device |
| 07/10/2013 | CN203044585U Nylon roller steel tube straightening machine |
| 07/10/2013 | CN203044584U Supporting roll used for straightening machine |
| 07/10/2013 | CN203044583U Straightener |
| 07/10/2013 | CN203044582U Section bar correcting machine |
| 07/10/2013 | CN203044581U Simple rail straightening machine |
| 07/10/2013 | CN203044580U Straightening device for ground anchor drill of power transmission line |
| 07/10/2013 | CN103191961A Knocking and straightening method for steel crankshaft nitriding deformation |
| 07/10/2013 | CN103191960A Automatic locking device for straightening rolls |
| 07/10/2013 | CN102056687B Method for producing a large steel tube |
| 07/09/2013 | US8479548 Electric wire delivery apparatus and electric wire sizing-cutting apparatus including the same |
| 07/03/2013 | CN203030683U Hydraulic inching straightening machine of sucker rod |
| 07/03/2013 | CN203030682U 细长轴校直机 The elongate shaft straightening machine |
| 07/03/2013 | CN203030681U Double-support type steel straightening machine and fast-replaced roller group thereof |
| 07/03/2013 | CN203030680U Short pipe straightening machine |
| 07/03/2013 | CN203030677U Angle transformation device |
| 07/03/2013 | CN103182423A Shaping die core for forging door frame flanges |
| 07/03/2013 | CN103182407A Equal-diameter four-wire multi-roll convex spline straightening mechanism |
| 07/03/2013 | CN103182406A Cold leveling method for after-welding deformation of gasoline and diesel hydrofining Phi3,000 redistribution plates |