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)
07/2010
07/21/2010CN201529718U Automatic stamping integrated processing equipment
07/21/2010CN201529708U Curved ground anchor drill straightening tool
07/21/2010CN201529707U Torsion-correcting straightening machine for sectional steel
07/21/2010CN201529704U Self-checking type full-automatic stainless steel straightening machine
07/16/2010CA2690597A1 Mobile coiled tubing straightening tool
07/14/2010CN201524717U Straightener for a narrow tube
07/14/2010CN101279335B Ultra-large tube sheet heat flattening method
07/07/2010CN201519711U Tool for adjusting deformation of semi-circular ring steel casting
07/07/2010CN201519710U Conducting bar roller shaft straightener of high speed drawing frame
07/07/2010CN201519709U 具有等机架多点连续渐进矫直技术的拉矫机组 Such as multi-point rack with a continuous gradual straightening technology Tension leveler
07/06/2010US7748597 Device for production of a tube
06/2010
06/30/2010CN201516454U Shaping tamper for refrigerated container floor slot upright post
06/30/2010CN101758119A Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof
06/30/2010CN101758118A Stand adjusting device
06/30/2010CN101758117A Righting mechanism of straightening machine
06/30/2010CN101758116A Automatic straightening production line of T-shaped guide rail
06/29/2010US7743635 Method and apparatus for forming a reinforcing bead in a container end closure
06/23/2010CN201511055U Cold-extruded pipe making machine
06/23/2010CN101226379B Control system for automatic detecting and aligning drilling rod straight degree together
06/17/2010US20100147047 Method of Making an Udersea Pipe, the Method Including Peening Assembly Welds Inside the Pipe
06/16/2010CN201505683U Leveler
06/16/2010CN101733313A Movable bearing stander of movable gantry type profile steel straightener
06/16/2010CN101733312A Three-roll unbender
06/16/2010CN101733311A Core tube processing device for electrical penetration assembly
06/16/2010CN101733310A Straightening mechanism
06/16/2010CN101733309A Method for straightening drill rod
06/16/2010CN101733307A Cambered surface centering roller box of supporting rollers and processing method thereof
06/10/2010US20100139802 High-pressure pipe element having an assembly of hooped tubes and method of manufacture
06/09/2010CN201500698U Bimetallic composite straightener roll
06/09/2010CN101727090A Integrated control system for automatically detecting and straightening flexural deformation of axial line of workpiece
06/09/2010CN101722418A Automatic equal-diameter elbow roundness shaping and cutting all-in-one machine
06/09/2010CN101722393A Hydraulic pipe orifice assembly reshaping device
06/09/2010CN101722204A Extrusion process for titanium alloy profile material
06/09/2010CN101234466B Vehicle rear axle assembly front beam production method
06/08/2010US7730756 Turbine vane airfoil reconfiguration method
06/03/2010WO2010061745A1 Device for correcting pipe-end shape of uoe metallic pipe
06/02/2010CN201493356U Rounding device for collecting pipe of finned radiator for transformer
06/02/2010CN201493355U Automatic straightener for thin-walled tubes
06/02/2010CN201493354U Vertical roller device of profiled bar straightener
06/02/2010CN201493353U Integral flattening die device used for section steel straightener
06/02/2010CN201493352U Movable flattening briquetting device used for section steel straightener
06/02/2010CN101716634A Automatic laser tracking positioning device and method for straightening drill pipe of oil well
06/02/2010CN101716632A Reforming method and mold of automobile rear axle driven gear forging piece
06/02/2010CN101716619A Air valve heat-straightening process method
06/02/2010CN101428308B Horizontal pressure straightener
06/02/2010CN101412055B Rotating and straightening method using metal pipe tension
06/02/2010CN101241003B Bore rod straightness automatic detection straightening status monitoring and failure diagnosis system
06/02/2010CN101229569B Method and equipment for detecting and remedying magnesium alloy shapes torsion
05/2010
05/27/2010WO2010023563A3 Production line for lift guides and similar products and productive process for making thereof
05/26/2010CN201482832U Ring-shaped element shaping device
05/26/2010CN201482831U Automobile seat headrest bending machine
05/26/2010CN201482830U Height fixing and adjusting device for outlet groove
05/26/2010CN101712053A Multi-straightening head-based quick straightening device and method
05/26/2010CN101712052A Transverse straightener
05/25/2010US7721583 Pipe bending shoe
05/19/2010CN201479068U Hand-hold inching positive and negative device
05/19/2010CN201471705U Ultra-long small-sized copper pipe plastic-coating machine
05/19/2010CN201470724U Shaping and heat setting device of crank
05/19/2010CN201470723U Upper roller pressing device of flattening machine
05/19/2010CN201470722U Shaft end locking device of bar straightener
05/19/2010CN201470721U Straightening roll adjustment device of bar straightener
05/19/2010CN201470720U Outer diameter correcting device of steel pipe
05/19/2010CN201470719U Straightening cam mechanism device for section steel twisting straightener
05/19/2010CN201470718U Cantilever-type steel pipe peeling machine
05/19/2010CN201470717U Pipe straightening device
05/19/2010CN101709357A Tempering adjusting device of thin-walled cylinder body
05/19/2010CN101708524A Reel round die
05/19/2010CN101708516A Screw-type straightening method for tap bolt of slender rod
05/12/2010CN201464909U Core rod pressure flattening machine control system based on PLC
05/12/2010CN201456411U Single-column adjusting press-assembly hydraulic press
05/12/2010CN201455055U Straightener of tubing mahicne
05/12/2010CN201455054U Hydraulic straightening machine
05/12/2010CN201455053U Bent steel pipe straightening device
05/12/2010CN101704038A Filleted corner knocking method for straightening crank shaft
05/12/2010CN101190444B Method for manufacturing titanium or titanium alloy tube of 12 to 16 meters
05/05/2010CN201446158U T-shaped sectional material straightening machine
05/05/2010CN201446157U Straightener roll
04/2010
04/28/2010CN201442046U Discharging device for straightening machine
04/28/2010CN201442045U Square and rectangular section steel straightening device
04/22/2010WO2010044050A1 Apparatus for straightening metal profiles and the like
04/22/2010WO2010044009A1 Apparatus for straightening metal profiles and the like and method for adjusting straightening members in such an apparatus
04/22/2010DE102008059108A1 Verfahren und Vorrichtung zum Richten von Rohren auf einem Expander Method and device for straightening of pipes on an expander
04/21/2010EP2177283A2 Method and device for aligning tubes on an expander
04/21/2010CN101695724A Semi-automatic hollow guide rail reshaping device and reshaping method thereof
04/21/2010CN101190443B Method for manufacturing super-long titanium or titanium alloy tube
04/07/2010EP2172573A1 Martensitic stainless-steel seamless pipe for oil well pipe and process for producing the same
04/07/2010CN101692065A Automatic detection system for oil drilling tools
04/06/2010US7690239 Sheet metal pry hooks
03/2010
03/31/2010CN201432200Y Steel rail straightener
03/31/2010CN101683670A worm and worm wheel type push adjusting mechanism
03/31/2010CN101683669A Improved universal joint transmission mechanism of leveling machine
03/31/2010CN101683668A Improved pushing mechanism of leveling shaft of leveling machine
03/31/2010CN101683667A Improved pressure roller transmission mechanism of leveling machine
03/31/2010CN101683666A Improved double-row type gear distribution box mechanism for leveler
03/31/2010CN101683665A Improved adjustable supporting roller seat for leveler
03/24/2010CN201427152Y straightening machine
03/24/2010CN100594997C Section steel rectification hydraulic press
03/24/2010CA2679818A1 Manufacture of rebuilt mattresses and foundations
03/18/2010WO2010029166A1 Device for measuring and correcting a parallelism error of a nuclear fuel rod
03/18/2010US20100068549 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same
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