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)
04/2014
04/09/2014CN103706674A Shaft part straightening equipment
04/09/2014CN103706673A Radial positioning method for joint part of round pipe component
04/09/2014CN103706672A Lossless repair method for sheet metal
04/09/2014CN103706639A Mill scale collecting system of bar straightener
04/08/2014US8689597 Ring rolling mill and ring rolling method
04/02/2014EP2712333A1 A pipe straightening apparatus and a method of straightening a pipe
04/02/2014CN203508665U Roundness correcting device for internal pipe orifice
04/02/2014CN203508664U Vertical pillar correction device
04/02/2014CN203508663U Double-cylinder straightening machine for elevator guide rail
04/02/2014CN203508662U Straightening machine for elevator guide rail
04/02/2014CN203508661U H-shaped steel rolling device
04/02/2014CN203508660U Automatic shaping device of planetary plate assembly of automobile air conditioner compressor
04/02/2014CN203508659U Chassis torque regulating device of tank holding body of tank car
04/02/2014CN203508658U Automotive connecting rod bending correction clamp
04/02/2014CN203508657U Square tube correction device
04/02/2014CN103691776A Method for calibrating roundness of large-diameter thick-wall round pipe
04/02/2014CN103691775A Mounting method of three groups of articulated lifting cross beams of seamless steel tube skew roll straightener
04/02/2014CN103691774A Straightening method of seamless pipe
04/02/2014CN103691773A Rack hydraulic cylinder straightener
04/02/2014CN103691772A Automatic hub trimming device
04/02/2014CN103691771A Aluminum profile straightening device
04/02/2014CN103691770A Auxiliary framework detection and rectification device of truck bogie
04/02/2014CN103691766A Roll gap adjusting device for straightener
04/02/2014CN102357565B Hydraulic automatic correction machine for cylinder
03/2014
03/26/2014CN203495024U Short stroke side shaping die
03/26/2014CN203494953U Straightening device
03/26/2014CN203494952U Automatic molding equipment of main beam of single-beam crane
03/26/2014CN103658428A Composite steel overturning device
03/26/2014CN103658248A Hub deformation repair tool
03/26/2014CN103658247A High-accuracy numerical-control roundness correction machine
03/26/2014CN103658246A Correcting device of motorcycle frame elbow
03/26/2014CN103658245A Automatic steel pipe straightening press
03/26/2014CN103658244A Novel automatic straightening machine
03/26/2014CN103658243A Copper oil tube straightening device
03/26/2014CN103658242A Automatic straightening machine
03/26/2014CN103658241A Vertical straightening machine special for drive axle and control method thereof
03/26/2014CN103658240A Bar V-shaped groove tip microcrack preparing method based on straightening mechanism
03/26/2014CN103658239A Pipe straightening machine
03/26/2014CN103658238A Radian detecting method for multi-radian elbow
03/26/2014CN103658232A Method for measuring actual rolling reduction of upper roll of roll straightener
03/26/2014CN102728665B Device for partially flattening surfaces of magnesium-aluminum alloy profiles
03/25/2014US8677793 Shaping tool having a rotatable base member
03/20/2014DE102012108643A1 Pilgerwalzstraße Pilger road
03/19/2014CN203484562U Conveying roller way of straightener
03/19/2014CN203484448U Leveling machine of railway vehicle brake shoes stack adjuster
03/19/2014CN203484447U Correction device for membrane wall of industrial boiler
03/19/2014CN203484446U Worm gear screw rod lifting structure
03/19/2014CN203484445U Shaper for central heating radiator
03/19/2014CN203484444U Leveling device of fin inserting type air cooling radiator
03/19/2014CN203484443U Detecting and correcting device for hanger
03/19/2014CN203484438U Work piece correction system
03/19/2014CN103639248A Correction method of elliptical deformation of large ring parts after heat treatment
03/19/2014CN103639247A Thermal shaping clamp of titanium alloy thin-wall tubular part
03/19/2014CN103639246A Bent pipe straightening device
03/19/2014CN103639245A Automatic driving and reversing circular tube straightening rust removal painting machine
03/19/2014CN103639243A Novel high-power correction machine
03/19/2014CN103639241A Method for directly measuring rolling reduction of straightening machine roll system
03/18/2014US8671728 Forming and/or cutting plate workpieces
03/12/2014CN203470562U Tripod height adjusting machine
03/12/2014CN203470561U Cylindrical adjusting device of steel pipes
03/12/2014CN203470560U Vertical device for adjusting angular distortion of welded junction
03/12/2014CN203470559U Improved straightening roll
03/12/2014CN203470558U Multifunctional steel pipe shape adjusting device
03/12/2014CN203470557U Mobile and rotatable radian adjusting device
03/12/2014CN103624114A Automatic metal pipe roundness correction system and processing method thereof
03/12/2014CN103624113A Elevator guide rail straightening machine
03/12/2014CN103624112A Elevator guide rail double-cylinder straightening machine
03/12/2014CN103624111A Lead frame of steel bar straightening machine
03/12/2014CN103624110A Steel bar straightening device
03/06/2014WO2014034522A1 Duplex stainless steel tube and method for producing same
03/05/2014CN203459565U Pipe straightening device
03/05/2014CN203459471U Manual correction device for I-shaped wheel
03/05/2014CN203459470U Hydraulic correction device for I-shaped wheel
03/05/2014CN203459469U Straightening machine for flanges of H-shaped steel
03/05/2014CN203459468U Device for H-shaped steel straightening
03/05/2014CN203459467U Bicycle frame calibrating equipment
03/05/2014CN102601174B Round billet quenching straightening machine
03/05/2014CN102392114B Thermal calibration method for precisely cast structural pieces of cartridge receiver
02/2014
02/26/2014CN203448462U Integrated device for pipe orifice reshaping and detection and pipeline nitrogen passage
02/26/2014CN203448461U Hydraulic cylinder shaper
02/26/2014CN203448460U EGR (exhaust gas recycling) pipe sizing device
02/26/2014CN203448459U Horizontal straightening ring for eliminating concavity of bottom of steel rail
02/26/2014CN203448458U Automatic straightening equipment for copper nickel pipe
02/26/2014CN203448457U Straightening equipment universal for copper nickel pipes
02/26/2014CN203448456U Straightening equipment for copper nickel pipe
02/26/2014CN203448455U Piston-sleeve shaping device
02/26/2014CN203448454U Ball penetration tool for elbows
02/26/2014CN103600260A Assembly machine of long-lead internal bulbs
02/26/2014CN103599969A Torsion bar straightening tool
02/26/2014CN103599968A I-shaped steel straightening roll structure
02/26/2014CN103599967A Bar straightening machine
02/26/2014CN103599966A Automatic turnover device for elevator guide rail straighteners
02/26/2014CN103599965A Shaping hydraulic machine for high-speed rail tail hooking frame
02/19/2014CN203437463U Inner casting pipe straightening device of magnesium alloy melting furnace
02/19/2014CN203437462U Steel pipe straightening unit
02/19/2014CN203437461U Pipeline straightening wheel
02/19/2014CN203437460U Steel pipe aligning device
02/19/2014CN203437459U Electric vehicle wheel rim wire leading-in device and wheel rim straightening machine with electric vehicle wheel rim wire leading-in device
02/19/2014CN103586311A 滚轮式校直机 Roller straightening machine
02/12/2014EP2695685A1 Pipe material correction apparatus and pipe material correction method
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