B21D 7 - Bending rods, profiles, or tubes

Patents for B21D 7 - Bending rods, profiles, or tubes (6,195)
04/2011
04/06/2011	CN102000718A Easily-operated design method of manual pipe bending mechanism with graduation
04/05/2011	CA2622181C Method of controlling the speed of a laying head in a rolling mill
03/2011
03/30/2011	CN201776325U Drive device for main shaft of pipe bender
03/30/2011	CN201776324U Hot-bending machine
03/30/2011	CN101992238A Method of measuring length of sections of extrados or intrados curves of elongated workpiece, and relevant length measuring instrument
03/30/2011	CN101992237A Pipe bender
03/24/2011	WO2011034752A2 Roll former with three-dimensional sweep unit and method
03/24/2011	US20110067472 Roll Former With Three-Dimensional Sweep Unit
03/23/2011	CN201768828U Angle steel out-curved rib bending mould
03/23/2011	CN201768827U Bending die of bi-metal bracket stamping part
03/23/2011	CN201768825U Bending die for low-voltage electrical apparatus connection terminal stamping parts
03/23/2011	CN201768822U Bending die for bimetallic bracket punching parts
03/23/2011	CN201768821U Bending mould of bimetal bracket stamping part
03/23/2011	CN201768820U Bending die for bimetal support stamping parts
03/23/2011	CN201768819U Bending die for double-metal support stamping parts
03/23/2011	CN201768818U Bending die for bimetal support stamping parts
03/23/2011	CN201768817U Bending die of bi-metal bracket stamping part
03/23/2011	CN201768816U Low-voltage electric appliance connection terminal stamping part bending die
03/23/2011	CN201768815U Bending die for wiring terminal stamping parts of low-voltage electrical apparatus
03/23/2011	CN201768814U Bending die for double-metal support stamping parts
03/23/2011	CN201768813U Bending die of double-metal support stamping parts
03/23/2011	CN201768811U Low-voltage electric appliance connection terminal stamping part bending die
03/23/2011	CN201768810U Bending die for wiring terminal stamping parts of low-voltage electrical apparatus
03/23/2011	CN201768789U Pipe bender
03/23/2011	CN201768788U Pipe bender
03/23/2011	CN201768787U Bending device of metal section
03/23/2011	CN201768786U Bending device of power variable diameter steering oil pipe of vehicle
03/23/2011	CN201768785U Pipe bending machine not requiring lifting guide mold
03/23/2011	CN201768784U Device for bending swing punches
03/23/2011	CN101987331A Large-diameter small-bending radius medium frequency pipe bender
03/17/2011	WO2011029594A2 Bending machine for bending elongated workpieces, in particular tubes and profiles
03/16/2011	EP2293890A2 Multi-directionally swept beam, roll former, and method
03/16/2011	CN201760498U Bending upper die head and bending mold and bender with same
03/16/2011	CN201760480U Bidirectional die clamping device
03/16/2011	CN101224474B Heterotype F steel bending tool
03/15/2011	CA2611505C Tubing bender and method
03/09/2011	EP2291250A2 Vise provided with a movable jaw device having separated approaching and clamping steps in a pipe bending machine die
03/09/2011	CN201755616U Bending mold core device
03/09/2011	CN201755607U On-line detecting and compensating device used in bend pipe processing
03/09/2011	CN201755606U Bending machine for section steel
03/09/2011	CN201755605U Pipe bending device capable of realizing leftward and rightward bending in pipe bender
03/09/2011	CN201755604U Pipe bender for small-caliber thin-walled pipes
03/09/2011	CN101983789A Manual pipe bender
03/08/2011	US7900495 Powered conduit bender
03/03/2011	WO2011024741A1 Bent member, and device and method for manufacturing same
03/03/2011	DE102009038384A1 Vorrichtung zum Biegen länglicher Werkstücke Apparatus for bending elongated workpieces
03/03/2011	CA2772185A1 Bent member and an apparatus and method for its manufacture
03/02/2011	EP2289643A2 Device for bending elongated workpieces
03/02/2011	EP2012946B1 Method for the mechanical tensile bending of bars, more particularly pipes
03/02/2011	CN201752735U Die clamping apparatus of pipe bender
03/02/2011	CN201752729U Pipe bender capable of bidirectionally bending pipe
03/01/2011	US7895870 Method for producing ultra thin wall metallic tube with cold working process
02/2011
02/23/2011	EP2285511A1 Strand guide, in particular for a continuous casting plant for steel slabs
02/23/2011	EP2285509A1 System for bending a metallic strip
02/23/2011	CN201751033U Induction heater of bending pipe
02/23/2011	CN201751032U Pipe bending machine
02/23/2011	CN201751031U Hydraulic pipe bending machine
02/23/2011	CN101980803A Multi-directionally swept beam, roll former, and method
02/16/2011	CN201744535U Field heat bending jig frame of large-diameter steel pipes
02/16/2011	CN201744534U Annular forming device for section steel
02/16/2011	CN201744533U Novel electric double-spiral pipe bending machine
02/16/2011	CN201744532U Arc-shaped section processing tool of round steel pipe
02/16/2011	CN201744531U Cold bending device for seamless steel pipes with diameter smaller than or equal to phi 25mm
02/16/2011	CN201744530U Lever-type forming tool
02/16/2011	CN201744529U Surface material bending hydraulic press
02/16/2011	CN101972800A Bender
02/16/2011	CN101972799A Anti-crease bending processor for thin metal pipe
02/16/2011	CN101658881B Automobile luggage-rack rod bending machine
02/16/2011	CN101607282B S-shape harrow cutter bent arc forming machine
02/15/2011	US7886565 Bending apparatus for long workpieces, especially tubes, and a device for measuring length of a bending
02/10/2011	WO2011016178A1 Bending method
02/10/2011	US20110030436 Lower die for press bending and tool using the same
02/10/2011	DE102009036347A1 Verfahren zur Herstellung einer Bordscheibe für ein Pendelrollenlager und Pendelrollenlager mit einer verfahrensgemäß hergestellten Bordscheibe A process for producing a flanged wheel for a spherical roller bearings and spherical roller bearings with flanged wheel prepared by the process
02/10/2011	DE102009036307A1 Device for bending and holding pipes, cables and lines, has opening provided over entire length and designed in lockable manner, and locking element assigned to opening, where device is bendable and is fixable in desired position
02/09/2011	CN201735687U Bending die for contact stamp piece of circuit protector
02/09/2011	CN201735686U Bending mould for stamping pieces for contacts of circuit line protector
02/09/2011	CN201735685U Bending die for contact stamping part of circuit protector
02/09/2011	CN201735684U Bended mold of contact punching element of line protector
02/09/2011	CN201735683U Stamping part bending die for wiring terminal of low-voltage electrical appliance
02/09/2011	CN201735682U Bending mould of contact point stamping part of circuit protector
02/09/2011	CN201735681U Bending die for circuit protector contact stamping part
02/09/2011	CN201735680U Bending mold of circuit protector contact stamping part
02/09/2011	CN201735679U Die for bending contact stamping part of circuit protector
02/09/2011	CN201735678U Bending mould for stamping pieces for contacts of circuit line protector
02/09/2011	CN201735677U Bended mold of contact punching element of line protector
02/09/2011	CN201735676U Bending mould for double metallic support stamping parts
02/09/2011	CN201735675U Bending die for bimetal support stamping parts
02/09/2011	CN201735674U Bending die for bimetal bracket stamping part
02/09/2011	CN201735651U Pipe bending device
02/09/2011	CN201735647U Bending machine tapered iron device
02/09/2011	CN101616757B Bending device and bending method
02/08/2011	US7882720 Automatic bending machine for steel rule punching die and the steel rule punching die
02/03/2011	US20110027606 Method for Producing a Corner of a Frame-Shaped Spacer for Insulating Glass Panes and Spacer and Insulating Glass Panes Produced according the Method
02/02/2011	CN201729602U Auxiliary crane for facilitating operation of hydraulic straightener
02/02/2011	CN201728256U Pipe bender
02/02/2011	CN101961756A Bending die for bimetallic support stamped part
02/02/2011	CN101961755A Bending die for bimetallic support stamped part
02/02/2011	CN101961754A Bending die of bimental support stamping part
02/02/2011	CN101961753A Bending die for bimetallic support stamped part
02/02/2011	CN101961752A Bending die for bimetallic support stamped part

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