Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › 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
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)
05/2012
05/30/2012CN202239088U Improved roundness correction device
05/30/2012CN202239087U Hydraulic pipe straightening mold
05/30/2012CN202239086U Universal straightening tool for guardrail
05/30/2012CN202239085U Straightener for blank piston rod of automobile damper
05/30/2012CN202239084U Steel pipe straightening machine
05/30/2012CN202239083U Bar straightening machine
05/30/2012CN202239082U Pressing type straightening device for tube blank
05/30/2012CN202239081U Steel tube straightening machine
05/30/2012CN202239080U Computer numerical control multi-roll straightener
05/30/2012CN202239079U Automatic feed system for cross roll straightener
05/30/2012CN202239078U Continuous five-roller straightening machine for continuous casting
05/30/2012CN202239077U Carrier roller structure for leveller
05/30/2012CN202239076U Vertical roll frame of cold-bending forming unit
05/30/2012CN202239075U Upper straightening roll device for vertical straightening machine
05/30/2012CN202239074U Straightening mechanism for de-rusting and straightening painting machine of construction steel tube
05/30/2012CN202239073U Movable metal tube straightener
05/30/2012CN202239072U Polished rod straightening apparatus
05/30/2012CN202239071U Pipe taking and feeding device
05/30/2012CN202239070U Cylinder pulling shaper for damaged deformed bronze wares
05/30/2012CN202239069U Shaper with inner and outer rings for damaged deformed bronze wares
05/30/2012CN202239068U Pull pushing shaper for damaged deformed bronze wares
05/30/2012CN202239067U Control circuit of street lamp post straightener
05/30/2012CN202239066U Shaft straightening machine
05/30/2012CN202239065U Gantry vertical hydraulic roller type correction device
05/30/2012CN202239057U Straightening roller structure for stretching-bending-straightening unit
05/30/2012CN101937237B Automatic positioning method for drill rod end straightening
05/30/2012CN101837389B Portable and all-dimensional continuous oil pipe straightening machine
05/30/2012CN101791640B Method for distributing balancing and locking cylinders for large multi-cross roll straightening machine
05/29/2012US8186199 Tubular member having multiple sized splines
05/23/2012CN202225941U Automatic stepping type hydraulic-pressure correction transport vehicle for truck chassis production line
05/23/2012CN202224927U C-shaped framework crushing former
05/23/2012CN202224482U Direct current hydraulic automatic straightener for watergate screw rod
05/23/2012CN202224481U Tool claw correcting device for bamboo hat type tool magazine
05/23/2012CN102463444A 一种门框型材的焊接方法 One kind of door profiles welding method
05/23/2012CN101716619B Air valve heat-straightening process method
05/22/2012US8182930 Twisted wire and method of producing twisted wire
05/16/2012CN102451864A Rapid electrode corrector
05/10/2012US20120111083 Pipe repair tool and related methods
05/10/2012US20120111082 Pipe repair tool and related methods
05/09/2012EP2450119A1 A shape adjusting tool
05/09/2012CN202212439U Novel leveller driving roller
05/09/2012CN202212438U Hydraulic shaping machine for U-shaped bolt
05/02/2012CN202207724U Sag repair device for thin-wall metal tube
05/02/2012CN202207723U Online straightener of cold bending section bar
05/02/2012CN202207722U Flattening device for inside weld burs of welded pipe
05/02/2012CN202207721U Straightening joint ring for U-shaped steel plate pile
05/02/2012CN102430657A 胀管器 Expander
05/02/2012CN102430626A Thin-wall equant (small)-radius elbow secondary forming device and secondary forming method thereof
05/02/2012CN101830075B Jack hydraulic press
04/2012
04/25/2012EP2444196A1 Adjustment tool for torch with a lever arm system
04/25/2012CN202199681U 杆状结构矫直模具 Rod-like structure straightening dies
04/25/2012CN202199623U 数字比例伺服控制半自动校直机 Digital proportional servo control semi-automatic straightening machine
04/25/2012CN102423775A 用于调直机的导轨自动翻转装置 Guide means for automatically flip Straightening Machine
04/25/2012CN101905257B 用于h型、t型钢梁的顶弯/矫直机构及其顶弯/矫直方法 Benders for h-type, t steel beam / straightening institutions and their benders / straightening method
04/18/2012CN202192132U 液压钢管制头机 Hydraulic steel control head machine
04/18/2012CN202192131U 斜辊矫直机的自动出料、收料系统 Oblique roller leveler automatic discharge, rewinding system
04/18/2012CN202192130U 斜辊矫直机的出料、收料装置 Oblique roller straightening machine discharge, rewinding device
04/18/2012CN202192129U 铜杆微矫直装置 Tonggan micro-straightening device
04/18/2012CN202192128U Pressing-down overload protection device for straightener
04/18/2012CN202192127U 工字轮整形机 Word round shaping machine
04/12/2012WO2011148288A3 System and method for straightening tubing
04/11/2012CN202185489U 活塞筒校直装置 Piston cylinder straightening device
04/11/2012CN202185488U 一种立式矫直机下矫直辊装置 To provide a vertical leveler straightening roller device under
04/04/2012CN202180115U 一种汽车导轨修整工具 An automobile rail dressing tools
04/04/2012CN202180114U 一种管对接校圆装置 A docking device tube round school
04/04/2012CN202180113U 一种用于铝型材生产线的新型校正机 A new calibration machine for aluminum production line
04/04/2012CN102397919A 型钢调校装置 Steel leveling device
04/03/2012US8150226 Method and apparatus for manufacturing an optical cable and cable so manufactured
03/2012
03/28/2012CN202174411U 号口整形机 No. mouth shaping machine
03/28/2012CN202174396U 压力平衡架 Pressure gimbal
03/28/2012CN202174180U Wrinkling-preventing material-pressing structure of side sizing die
03/28/2012CN202174134U 一种弯头扩口模具 One kind of elbow flaring die
03/28/2012CN102389914A Control circuit of lamp post straightening machine
03/21/2012CN202169293U 顶珠机 Top bead machine
03/21/2012CN202169292U 校正仪 Calibrator
03/21/2012CN102380524A Multi-connecting-rod swinging material-scattering system for bar straightening machine
03/21/2012CN102380522A Improved straightening machine
03/21/2012CN101758119B Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof
03/14/2012EP2158062B8 Turbine vane restoration system
03/14/2012CN202162282U 汽车减震器中支座整形冲压加工装置 Automobile shock absorber mount plastic stamping device
03/14/2012CN202162237U 凹坑回复装置 Pit recovery devices
03/14/2012CN202162236U 导管校准模 Catheter calibration mode
03/14/2012CN101722393B Hydraulic pipe orifice assembly reshaping device
03/08/2012WO2012028297A1 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
03/08/2012WO2012028296A1 Bending-straightening machine for a long workpiece, device for feeding in and removing said workpiece and method for bend-straightening long workpieces
03/07/2012CN202155398U 分体式1型钢轨压平机 Split type a rail pressure machine
03/07/2012CN202155397U 弯曲圆钉调直装置 Straightening bent nails device
03/07/2012CN202155396U 铝型材矫直检测机 Aluminum straightening detector
02/2012
02/29/2012CN202151645U Lifting device for upper press roll of straightening machine
02/29/2012CN202151644U 矫直机牵引装置 Leveler traction device
02/29/2012CN202151642U 组合结构的矫直机超高压增压压下油缸 Pressure cylinder supercharged leveler EHV composite structure
02/29/2012CN202151641U 整平装置 Screed
02/29/2012CN102363171A Straightening roll and roll sleeve locking mechanism for overhung type straightening machine
02/22/2012EP1858658B1 Device for chipless reforming vehicle rims for car, motor lorry, or motorcycle
02/22/2012CN202146931U 一种翻钢装置 One kind of turned steel device
02/22/2012CN102357607A Rolling slide block device
02/22/2012CN102357567A Thick and flat steel turning mechanism for thick and flat steel horizontal gag straightener
02/22/2012CN102357566A Straightening mechanism of construction steel pipe derusting and straightening painting machine
02/22/2012CN102357565A Hydraulic automatic correction machine for cylinder
02/21/2012US8117882 Multi-layer pipe and method for its manufacture
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