Patents
Patents for B21D 11 - Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting (4,159)
01/2009
01/28/2009EP2018234A2 Method and apparatus for creep forming of and relieving stress in an elongated metal bar
01/28/2009CN201186322Y Mold for forming metal wallboard
01/28/2009CN201186314Y Preliminary twist device for preventing inverse twist
01/28/2009CN101352740A Folding type pipe bender
01/28/2009CN101352739A Edge bending machine and processing method using the equipment
01/21/2009EP2016279A2 Method and apparatus for hot forming elongated metallic bars
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
01/21/2009CN201183099Y Blade forming machine
01/21/2009CN201183097Y Bender rapid jig
01/21/2009CN201183091Y Two-sided fast clamping device for bender tool bit
01/21/2009CN101351283A Method and device for producing bent spring elements
01/15/2009US20090013748 Sheet-metal bending machine, preferentially hydro-powered machine, and a method of its operation
01/14/2009CN101342562A Screw blade coiling and molding method, and molding equipment thereof
01/14/2009CN101342553A Hot-winding machine for flange workblank
01/14/2009CN100450663C Servo motor control unit for press-forming machine
01/13/2009US7477965 Twisting wire actuator
01/07/2009CN201175743Y Bend-angle structure of bender
12/2008
12/31/2008CN201172085Y Bender cutter quick-clamping device with telescopic gib head
12/31/2008CN201172084Y Bender cutter quick-clamping device
12/31/2008CN101332478A Numerical controlled plate thermal stress surface shaping machine
12/24/2008EP1599400A4 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
12/24/2008CN201168735Y Numerical control correction apparatus of bending standard explorator
12/17/2008CN101322988A Shoring method of steel plate curve generating
12/16/2008US7464574 Method for forming sheet material with bend facilitating structures into a fatigue resistant structure
12/11/2008WO2008148241A1 A press-bending machine
12/11/2008US20080302161 System And Method For Hemming Components
12/11/2008US20080302159 Wheelhouse hemming apparatus and method
12/11/2008US20080302157 Method and Device For Producing Bent Spring Elements
12/11/2008US20080302154 Stir Forming Apparatus
12/10/2008EP1998909A1 Device and method for bending a metallic strip
12/10/2008CN101318203A Electrical heating numerical control incremental forming processing method and device for plate
12/04/2008US20080295566 Protective tool for a bending tool
12/04/2008US20080295560 Portable Apparatus for Creating Joints in Sheet Metal
12/04/2008DE10138345B4 Vorrichtung zum Biegen von Hohlprofilstäben Device for bending hollow-section bars
12/03/2008CN100439001C Automatic copper pipe disc circular knitting machine
12/02/2008US7458242 Apparatus and method for manufacturing a rock bolt
12/02/2008CA2361014C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
11/2008
11/27/2008WO2008120065A3 Apparatus for bending and stretching sections made of high- strength material, in particular iron or steel vehicular bumpers, and related method for bending and stretching said sections
11/26/2008CN100436632C Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method
11/26/2008CN100435991C Method for processing arbitrary taper seamless stainless steel pipe
11/20/2008WO2008064257A3 Method for brazing and hot forming a multichannel heat exchanger, the hot forming using the heating energy of the brazing step
11/19/2008CN100434204C Method for producing bent spring rails from an endless spring band
11/12/2008CN201149655Y Control apparatus for synchronously detecting double units of numeric control bender
11/12/2008CN201147799Y Anti-deflection apparatus of numerical control bender
11/12/2008CN201147798Y Plate follow-up supporting device of bender
11/12/2008CN201147797Y Hot pressing apparatus for curved face sheet
11/12/2008CN201147796Y Benders
11/12/2008CN100431735C Method for bending metal frame of hollow glass
11/11/2008US7448528 Stir forming apparatus and method
11/06/2008US20080271511 Sheet material with bend controlling displacements and method for forming the same
11/05/2008EP1987898A1 Flexible three-dimensional work-piece forming equipment
11/05/2008CN201143549Y Device for processing band-type blade
10/2008
10/30/2008WO2008128541A1 Apparatus and method for counting and separating bars
10/29/2008CN201140502Y Composite mold for producing metal insert plastic products in vehicle sensor
10/29/2008CN201140245Y Numerical control synchronous material holding apparatus of bender
10/29/2008CN201140242Y Separation type hydraulic pulley weights
10/29/2008CN100429013C Portable semi-automatic processing machine of plate with curved surface
10/23/2008WO2008128217A1 Method and apparatus for folding of sheet materials
10/23/2008WO2007133550A3 Channel letter machiine and method thereof
10/23/2008WO2007133546A3 Method and apparatus for creep forming of and relieving stress in an elongated metal bar
10/23/2008US20080257004 Bending Device Comprising Compensator Rollers
10/22/2008EP1981664A1 Method and apparatus for forming metal frames for reinforced concrete
10/22/2008CN201136023Y Mould for simmer bending curve angle-bar piece
10/22/2008CN101288884A Method for processing three-dimensional curved surface metal plate like piece
10/16/2008US20080250837 Method and apparatus for folding of sheet materials
10/15/2008CN101284288A Tensioning type micro-bending forming method and device
10/14/2008US7434437 Method of making a metallic thin wire for a medical tool
10/09/2008WO2008120065A2 Apparatus for bending and stretching sections made of high- strength material, in particular iron or steel vehicular bumpers, and related method for bending and stretching said sections
10/08/2008EP1977841A1 Method and device for manufacturing a reinforcement cage made of a reinforced steel mesh
10/08/2008CN101279337A Large-sized bender bidirectional deflection compensation mechanism
10/07/2008US7431780 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
10/02/2008US20080236237 Method of making a metallic thin wire for a medical tool
10/01/2008EP1973678A2 Stretch-forming machine and method
09/2008
09/25/2008WO2007130186A3 Apparatus and methods for material fabrication
09/24/2008CN201120425Y Multifunctional hot bending machine
09/23/2008US7426846 Automatic bending machine for manufacturing of steel rule cutting dies
09/23/2008CA2365771C Method and apparatus for forming a metal sheet under elevated temperature and air pressure
09/18/2008US20080223735 Gas Container and Method of Producing the Same
09/18/2008US20080223102 Spring clamp for a support leg
09/18/2008US20080223101 Gripping apparatus for gripping and holding elongated workpieces, in particular for bending machines
09/17/2008CN101264493A Internal tension force deformation special-shaped section simmer bending method
09/17/2008CN101264491A Internal tension deformation bending method
09/17/2008CN100418657C Technique for processing chain plate
09/10/2008CN101259497A Benders
09/03/2008EP1725351B1 METHOD FOR PRODUCING A FLUID CONDUIT, IN PARTICULAR A FLUID CONDUIT IN A CO sb 2 /sb REFRIGERATING PLANT
09/03/2008CN201110284Y Hydraulic control valve set for bending machine
09/03/2008CN201108934Y Bidirectional pressure moulding die
09/03/2008CN201108932Y Chain cover bending mechanism
09/03/2008CN101254516A Bending device
08/2008
08/28/2008US20080202188 Folding system
08/28/2008US20080202182 Deformation of Thin Walled Bodies
08/27/2008CN201105304Y Bending female mold
08/27/2008CN101249588A Sheet material double face precise forming method and apparatus based on laser blast wave effect
08/21/2008WO2008042014A3 Corner cam assembly
08/19/2008US7412863 Work positioning device
08/14/2008US20080193714 Method for precision bending of sheet of materials, slit sheets fabrication process
08/12/2008US7409845 Quick change over apparatus for machine line
08/12/2008US7409844 Apparatus for thinning upstanding sides of metal sheets
08/07/2008WO2007145737A3 Creep forming and stress relieving in metal bar
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