| 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) |
|---|
| 01/08/2009 | WO2009005721A1 Turbine vane restoration system |
| 01/08/2009 | WO2009004741A1 Martensitic stainless-steel seamless pipe for oil well pipe and process for producing the same |
| 01/07/2009 | CN101337243A Diesel engine crank axle alignment method at normal temperature |
| 01/07/2009 | CN101337242A Section steel rectification hydraulic press |
| 01/07/2009 | CN100449018C Method for preparing high-strength wear-resistant brass pipe |
| 12/31/2008 | CN201172079Y Round steel straightener |
| 12/31/2008 | CN201172078Y Automatic drawbead type equal-diameter bend shaping device |
| 12/31/2008 | CN100446882C Aluminum pipe having excellent surface quality, method and apparatus for manufacturing the aluminum pipe, and photosenstive drum base body |
| 12/24/2008 | CN201170298Y Transmission mechanism and tensioning mechanism of straightening machine |
| 12/24/2008 | CN201168732Y Integrated pipe bender |
| 12/17/2008 | CN201164946Y Shaper fine adjustment mechanism |
| 12/17/2008 | CN201164873Y Steel pipe straightening device |
| 12/17/2008 | CN201164849Y Processing equipment for making copper bare tube into copper belt |
| 12/17/2008 | CN101323959A Pre-baked anode deformed steel claw cold state straightener for aluminum electrolysis and heat treatment process |
| 12/17/2008 | CN101322987A Straightening roll walking beam slide mechanism of flattening machine |
| 12/11/2008 | WO2008148636A1 Repair welding method for waterwall tubes |
| 12/11/2008 | WO2008148241A1 A press-bending machine |
| 12/11/2008 | CA2687885A1 Repair welding method for waterwall tubes |
| 12/10/2008 | EP2000251A1 Repair welding method for waterwall tubes |
| 12/10/2008 | EP2000227A2 Metal tube end correcting apparatus and metal tube end correcting method |
| 12/10/2008 | CN201161259Y Hydraulic jack straightening press for straightening H shaped steel |
| 12/10/2008 | CN100441332C Method of regulating inclination angle of straightening roller |
| 12/04/2008 | WO2008145355A1 Straightening machine having a straightening roller rapid-change system, and a method for rapidly changing straightening rollers of a straightening machine |
| 12/03/2008 | EP1651364B1 Apparatus for rectifing round pipe and tubing |
| 12/03/2008 | CN201157857Y Anchor rod shaper |
| 12/03/2008 | CN101314171A Straightener roll angular adjustment mechanism of steel tube straightener |
| 11/26/2008 | CN101311858A Steel tube expansion unit automatic control system |
| 11/19/2008 | CN100434202C Two-stage tandem cross roll straightener bite servo and regulating system |
| 11/18/2008 | US7451631 Spiral pipe machine |
| 11/12/2008 | CN201147784Y Rotator of anode aluminum guide rod straightener |
| 11/12/2008 | CN201147767Y Flat steel online straightener |
| 11/12/2008 | CN100431731C Mechanical corrector for T-shape steel member bending deformation |
| 11/05/2008 | CN201143531Y Angle-bar manufacturing equipment |
| 11/05/2008 | CN201143530Y Air-pressure brake heat straightening machine |
| 11/05/2008 | CN100430164C Straightener |
| 10/29/2008 | CN201140241Y Rolling shape-righting apparatus |
| 10/29/2008 | CN201140240Y Label barrate correcting device of multifunctional labeler |
| 10/29/2008 | CN201140239Y Boss rod corrector |
| 10/29/2008 | CN101296760A Method of correcting metal tube and correcting press metal die |
| 10/28/2008 | CA2300600C Method and device for controlling distortion in unrolled metal conduits |
| 10/23/2008 | US20080257002 Novel Wheel Repair Machine and Method of Use |
| 10/22/2008 | CN201136013Y Corrector for bend of motorcycle amping rod |
| 10/22/2008 | CN201136012Y Billet torsion device |
| 10/22/2008 | CN101288885A Effective technique for increasing roundness of the flanging hole of the barrel |
| 10/15/2008 | CN101284353A Production process of ABS valve body material for cars |
| 10/15/2008 | CN101284285A Condensator checking and shaping device |
| 10/15/2008 | CN100425395C Method for preparing anode copper ball and apparatus thereof |
| 10/08/2008 | CN101279336A Three-roller flattening machine |
| 10/08/2008 | CN101279335A Ultra-large tube sheet heat flattening method |
| 10/08/2008 | CN100423864C Apparatus for processing U-shape metal pipe and processing method |
| 10/08/2008 | CN100423862C Steel pipe-straightening roller for casting high chromium iron or high chrome steel |
| 10/07/2008 | US7431780 Using determined distortions in accordance with predetermined information that relates heat treatments of the workpiece to resultant distortions, to obtain or generate heat control data defining heat treatments to be applied to corresponding regions of workpiece, which will cause determined distortion |
| 10/01/2008 | CN201124203Y Straightening roll for double-roller flattening machine |
| 09/24/2008 | CN101270438A Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method |
| 09/17/2008 | CN101264490A Internal tension deformation sectional material alignment method |
| 09/11/2008 | US20080216543 Enhanced Press Apparatus |
| 09/10/2008 | CN101259494A Frame type sectional material dressing machine |
| 09/10/2008 | CN100417464C Method and apparatus for reforming and reprofiling a bottom portion of a container |
| 09/04/2008 | US20080209975 Universal Press for Deforming Pipe Connection Sleeves, and for Other Uses |
| 09/04/2008 | DE102007040583B3 Arrangement for processing metal profile has rotary joint with axis of rotation aligned transverse to bending plane, alignment device mounted on rotary joint with alignment rollers so as to be rotatable about rotation axis |
| 09/03/2008 | CN201108931Y Fai550-650 oversize round billet tension leveller device |
| 09/03/2008 | CN201108930Y Pre-stress straightener roll locking apparatus for straightening machine |
| 09/03/2008 | CN201108929Y Connecting device for column and girder of pipe straightening machine |
| 09/02/2008 | US7418848 High-performance and high-efficiency rolled fin tube and forming disk therefor |
| 08/28/2008 | US20080202187 Method for Straightening Hot Profiled Sections |
| 08/27/2008 | CN201105297Y Rack-and-pinion transmission type straightening machine |
| 08/13/2008 | CN101241003A Bore rod straightness automatic detection straightening status monitoring and failure diagnosis system |
| 08/07/2008 | WO2008092563A1 Method for producing flat tubes, rolling mill and heat exchanger comprising said flat tubes |
| 08/07/2008 | US20080184766 Straightening rotor, rotor straightener and straightening method |
| 08/07/2008 | DE102007026728A1 Richtrotor, Rotorrichter sowie Richtverfahren Directional rotor, rotor straightener and straightening method |
| 08/07/2008 | CA2619202A1 Stretch-leveling metal strip |
| 08/06/2008 | CN101234466A Vehicle rear axle assembly breast beam production method and special-purpose mold therefor |
| 08/06/2008 | CN101234407A Harmonic oscillation column processing technique |
| 08/06/2008 | CN101234404A Method for producing metal pipe bend |
| 07/30/2008 | CN201091889Y Canal depression shaper |
| 07/30/2008 | CN101233249A Laser rounding and flattening of cylindrical parts |
| 07/30/2008 | CN101229569A Method and equipment for detecting and remedying magnesium alloy shapes torsion |
| 07/24/2008 | WO2008087929A1 2-phase stainless pipe manufacturing method, correction method, intensity adjusting method, and correction device operating method |
| 07/24/2008 | US20080173059 Expandable Skin for Restructuring an Inner Lining |
| 07/23/2008 | CN101227987A Method and apparatus for forming a reinforcing bead in a container end closure |
| 07/23/2008 | CN101226379A Control system for automatic detection and aligning drilling rod straight degree together |
| 07/16/2008 | CN100402173C Combination system for servo-roll-separating and quick-backward of cross-roll straightening machine |
| 07/09/2008 | EP1941955A1 Method of correcting metal tube and correcting press metal die |
| 07/09/2008 | EP1340560B1 Device for correcting circumferential length of metal ring |
| 07/09/2008 | CN201082450Y On-line rounding mold for austenite welding tube |
| 07/09/2008 | CN201082440Y Metal round tube trimming device |
| 07/09/2008 | CN201082439Y Metal round tube trimmer |
| 07/09/2008 | CN201082417Y Roller-surface cleaning device |
| 07/09/2008 | CN101215626A Continuous heat treatment method for angle steel and angle steel manufacturing method |
| 07/09/2008 | CN101214514A Corner iron shaping method, corner iron manufacturing method and corner iron shaping equipment |
| 07/03/2008 | WO2008077537A1 Device for flame straightening |
| 07/03/2008 | DE112006001926T5 Runden und Geraderichten von zylindrischen Teilen mittels Laser Rounds and straightening of cylindrical parts by laser |
| 07/02/2008 | CN201079802Y Upper vertical eight-roller straightening machine |
| 07/02/2008 | CN201079801Y Roller replacing device for straightening machine |
| 06/25/2008 | EP1935524A1 Device for flame straightening |
| 06/24/2008 | US7389669 Mechanical stress improvement process |
| 06/19/2008 | WO2008018022A3 Apparatus and method for restoring the centering of tire rims |
| 06/18/2008 | CN201073665Y Spinning type steel pipe aligning apparatus |
| 06/18/2008 | CN201073664Y Correction mould for automobile traversing mechanism casing oil-seal base hole |
| 06/18/2008 | CN201073663Y Building scaffold steel pipe straightener |