Patents for B21D 9 - Bending tubes using mandrels or the like (1,513)
12/2009
12/30/2009CN100574929C Autofeed quick rivet tool
12/29/2009US7637139 Servo drive system and continuous working system of press machine
12/16/2009CN100570285C Method of manufacturing a curved measuring tube for a vibratory measurement sensor
12/10/2009US20090301376 Planing pontoon tube
12/09/2009EP2131092A1 Seamless bend tube, weld joint with seamless straight tube, and method of producing them
12/03/2009US20090293576 Bending method, and die and bending machine used for the bending method
12/02/2009CN100563865C Combined shaping mold
12/02/2009CN100563864C Manual tool for bending tube and tube bender
11/2009
11/21/2009CA2666133A1 Method for bending pipes, rods, profiled sections and similar blanks, and corresponding device
11/19/2009DE102008022402A1 Stützkern für die Herstellung von Hohlprofilen Support core for the production of hollow profiles
11/12/2009WO2009135796A1 Supporting core for producing hollow profiled elements
11/11/2009CN201342443Y Novel tube bender of 180 DEG
10/2009
10/28/2009CN201333482Y Bent tube mould
10/22/2009US20090260412 Curling die tool
10/15/2009WO2009040859A3 Pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses
10/15/2009US20090255310 Multi-directionally swept beam, roll former, and method
10/14/2009CN201324782Y Supporting seat of auxiliary pushing device arranged in tube bender
10/07/2009EP2106306A1 Device for bending a metallic pipe by winding on a shape roller
10/07/2009CN201320571Y Pipe bending device
09/2009
09/17/2009DE10359465B4 Biegeverarbeitungsvorrichtung für Rohre Bending processing device for pipes
09/16/2009EP2099575A2 Device for clamping hollow profiles
09/16/2009CN201308931Y Flexible tube end die assembly
09/09/2009CN101524728A Method for molding expandable bellows
09/09/2009CN101524727A Method for improving smooth finish on inner wall of titanium alloy elbow piece formed by expanding push-bending method
09/02/2009CN101518798A Diameter-expanding and bend-pressing forming core head for short radius elbows
08/2009
08/25/2009US7578160 Pipe-bending machine mandrel
08/19/2009EP2090382A2 Method for cold-bending of pipes and the like
08/19/2009EP1841549B1 Controllable fluids in pipe bending
08/19/2009CA2654803A1 Improved slide lock
08/13/2009US20090199612 Hot bend pipe and a process for its manufacture
08/12/2009EP1461169B9 Device for bending profiles
08/11/2009US7571631 Method of manufacturing a woodworker's holdfast
08/06/2009WO2009095174A1 Process and device for bending round tubes and profiles
08/06/2009DE102005058168B4 Gleitschiene für eine Biegemaschine Slide for a bending machine
08/05/2009CN101500723A Hand-held, portable, battery-powered hydraulic tool
07/2009
07/29/2009CN201279540Y Charging device on pipe bender
07/22/2009CN101486055A Method for producing winding pipe of refrigerating device refrigeration evaporator of refrigerator and winding pipe device
07/09/2009US20090173127 Tube-bending machine
07/02/2009US20090167059 Pillar For Motor Vehicle And Tool For Making The Same
07/02/2009US20090165527 Bending head
07/01/2009CN101468367A Method for processing tube number winding pipe
06/2009
06/30/2009US7553148 Production apparatus and production method for producing bent portion of multi-channel tube
06/30/2009US7552613 Bending machine
06/30/2009CA2562840C Autofeed speed rivet tool
06/25/2009US20090158806 Method For Bending Tubular Articles With A Relative Ratio Of The Bending Radius And The Outer Diameter Of The Finished Pipe Which Is Less Than 3
06/24/2009EP2072158A1 Method for bending tubular articles with a relative ratio of the bending radius and the outer diameter of the finished pipe which is less than 3.
06/18/2009WO2009051943A3 Variable adjustable cutoff device for roll formers
06/18/2009DE102007061186A1 Biegevorrichtung, insbesondere für rohrförmige Bauteile Bending device, in particular for tubular components,
06/11/2009WO2009072918A1 Machine for bending aluminum profiles
06/10/2009CN201253653Y Evaporator bending device
06/03/2009EP1280621A4 Method and apparatus for connecting a fastener element to a wall
06/02/2009US7541085 Flexible construction element with large bonding surface area and method of manufacture
05/2009
05/27/2009CN201244631Y Ejection mechanism of bent cold-pushing shaper
05/27/2009CN100491010C Shaping method of small curvature radius bend pipe
05/26/2009US7536891 Roll-forming or bending machine
05/26/2009US7536890 Acute angle metal stock bender
05/20/2009CN101433927A Method for bending micro-radius of U-shaped pipe
05/13/2009EP2056978A1 Tool for bending a pipe
05/13/2009CN101428311A Bend pipe apparatus
05/13/2009CN101428310A Flexible core of flexible tube terminal mould
05/06/2009CN201231287Y Split type conduit supporting plug
05/06/2009CN101425097A Method for designing thin walled pipe numerical control snake core mould parameter
05/06/2009CN101422794A Unstability prevention component of pushing device of pipe bender
05/06/2009CN101422793A Numerical-controlled bending forming technique method of thin-wall tube of small bend radius
05/06/2009CN101422792A Adjustment method of thin-wall numerical-controlled bend-pipe forming die
05/06/2009CN100484720C hand tool and method for mounting crimping insertion piece
04/2009
04/30/2009US20090107199 Flexible forming device for forming three-dimensional shaped workpieces
04/29/2009EP1907147A4 Apparatus and method for forming shaped parts
04/23/2009WO2009051943A2 Variable adjustable cutoff device for roll formers
04/16/2009WO2006132820A3 Hand-held, portable, battery-powered hydraulic tool
04/16/2009US20090095044 Method for prolonging service life of a machine for bending tubes
04/14/2009CA2534717C Bending machine with a compact bend arm
04/09/2009WO2009043500A1 Method and device for forming a bar stock, bar stock
04/09/2009US20090090158 Wellbore manufacturing processes for in situ heat treatment processes
04/08/2009CN101402112A Support base of auxiliary pull apparatus in tube bender
04/02/2009CA2699595A1 Pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses
03/2009
03/26/2009WO2009036871A1 Method and apparatus for bending or linearly rolling out profiles with axle-free mini-roll rolling bodies
03/19/2009US20090071222 Method of bending pipe material
03/19/2009US20090071221 Mandrel Bar for High-Alloy Rolling, Method for Surface Treating a Mandrel Bar, Method for Producing Mandrel Bar, and Method for Operating Seamless Pipe Mill
03/12/2009US20090064752 Process for straightening tube and method for producing tube therewith
03/10/2009US7500373 Flanging device and flanging method with component protection
03/10/2009US7500372 Bending machine with a controlled-return bending die
03/04/2009CN100464888C A technique and a device thereof for push-making elbows by the intermediate frequency induction heating
02/2009
02/25/2009CN201198018Y Automatic blast cooling apparatus of bent pipe mould
02/18/2009CN101367099A Flexible bend pipe core mould
02/10/2009US7489412 Method and device for determining the spatial geometry of a curved extruded profile
02/04/2009CN201189530Y Quick-dismantling clamp-die of pipe bender
01/2009
01/28/2009CN201186325Y Forming mold special for producing vehicle rearmost axle assembly front beam
01/28/2009CN201186324Y Local bending mold special for producing vehicle rearmost axle assembly front beam
01/21/2009EP1948371B1 Machine for cambering, forming, folding or bending bars, wires or extruded shapes and method using same
01/21/2009EP1461169B1 Device for bending profiles
01/21/2009CN201183085Y Core rod apparatus for pipe bender
01/21/2009CN201183084Y Pipe bender head
01/21/2009CN101347812A Ejection mechanism of bent cold-pushing shaper
01/14/2009CN201179533Y Sand filling jarring machine for pipe fitting
01/14/2009CN100450663C Servo motor control unit for press-forming machine
01/13/2009US7475584 Servo-drive system and continuous finishing system of press
01/08/2009US20090007620 Method and Device for Bending and Reshaping Profiles By Means of Roller Bending or Matrix Bending
12/2008
12/24/2008CN201168734Y Apparatus for processing steel thick wall elbow
12/16/2008US7464578 Hand-held, portable, battery-powered hydraulic tool
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