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) |
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01/28/2009 | EP2018234A2 Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
01/28/2009 | CN201186322Y Mold for forming metal wallboard |
01/28/2009 | CN201186314Y Preliminary twist device for preventing inverse twist |
01/28/2009 | CN101352740A Folding type pipe bender |
01/28/2009 | CN101352739A Edge bending machine and processing method using the equipment |
01/21/2009 | EP2016279A2 Method and apparatus for hot forming elongated metallic bars |
01/21/2009 | EP1948371B1 Machine for cambering, forming, folding or bending bars, wires or extruded shapes and method using same |
01/21/2009 | EP1461169B1 Device for bending profiles |
01/21/2009 | CN201183099Y Blade forming machine |
01/21/2009 | CN201183097Y Bender rapid jig |
01/21/2009 | CN201183091Y Two-sided fast clamping device for bender tool bit |
01/21/2009 | CN101351283A Method and device for producing bent spring elements |
01/15/2009 | US20090013748 Sheet-metal bending machine, preferentially hydro-powered machine, and a method of its operation |
01/14/2009 | CN101342562A Screw blade coiling and molding method, and molding equipment thereof |
01/14/2009 | CN101342553A Hot-winding machine for flange workblank |
01/14/2009 | CN100450663C Servo motor control unit for press-forming machine |
01/13/2009 | US7477965 Twisting wire actuator |
01/07/2009 | CN201175743Y Bend-angle structure of bender |
12/31/2008 | CN201172085Y Bender cutter quick-clamping device with telescopic gib head |
12/31/2008 | CN201172084Y Bender cutter quick-clamping device |
12/31/2008 | CN101332478A Numerical controlled plate thermal stress surface shaping machine |
12/24/2008 | EP1599400A4 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
12/24/2008 | CN201168735Y Numerical control correction apparatus of bending standard explorator |
12/17/2008 | CN101322988A Shoring method of steel plate curve generating |
12/16/2008 | US7464574 Method for forming sheet material with bend facilitating structures into a fatigue resistant structure |
12/11/2008 | WO2008148241A1 A press-bending machine |
12/11/2008 | US20080302161 System And Method For Hemming Components |
12/11/2008 | US20080302159 Wheelhouse hemming apparatus and method |
12/11/2008 | US20080302157 Method and Device For Producing Bent Spring Elements |
12/11/2008 | US20080302154 Stir Forming Apparatus |
12/10/2008 | EP1998909A1 Device and method for bending a metallic strip |
12/10/2008 | CN101318203A Electrical heating numerical control incremental forming processing method and device for plate |
12/04/2008 | US20080295566 Protective tool for a bending tool |
12/04/2008 | US20080295560 Portable Apparatus for Creating Joints in Sheet Metal |
12/04/2008 | DE10138345B4 Vorrichtung zum Biegen von Hohlprofilstäben Device for bending hollow-section bars |
12/03/2008 | CN100439001C Automatic copper pipe disc circular knitting machine |
12/02/2008 | US7458242 Apparatus and method for manufacturing a rock bolt |
12/02/2008 | CA2361014C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
11/27/2008 | WO2008120065A3 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 |
11/26/2008 | CN100436632C Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method |
11/26/2008 | CN100435991C Method for processing arbitrary taper seamless stainless steel pipe |
11/20/2008 | WO2008064257A3 Method for brazing and hot forming a multichannel heat exchanger, the hot forming using the heating energy of the brazing step |
11/19/2008 | CN100434204C Method for producing bent spring rails from an endless spring band |
11/12/2008 | CN201149655Y Control apparatus for synchronously detecting double units of numeric control bender |
11/12/2008 | CN201147799Y Anti-deflection apparatus of numerical control bender |
11/12/2008 | CN201147798Y Plate follow-up supporting device of bender |
11/12/2008 | CN201147797Y Hot pressing apparatus for curved face sheet |
11/12/2008 | CN201147796Y Benders |
11/12/2008 | CN100431735C Method for bending metal frame of hollow glass |
11/11/2008 | US7448528 Stir forming apparatus and method |
11/06/2008 | US20080271511 Sheet material with bend controlling displacements and method for forming the same |
11/05/2008 | EP1987898A1 Flexible three-dimensional work-piece forming equipment |
11/05/2008 | CN201143549Y Device for processing band-type blade |
10/30/2008 | WO2008128541A1 Apparatus and method for counting and separating bars |
10/29/2008 | CN201140502Y Composite mold for producing metal insert plastic products in vehicle sensor |
10/29/2008 | CN201140245Y Numerical control synchronous material holding apparatus of bender |
10/29/2008 | CN201140242Y Separation type hydraulic pulley weights |
10/29/2008 | CN100429013C Portable semi-automatic processing machine of plate with curved surface |
10/23/2008 | WO2008128217A1 Method and apparatus for folding of sheet materials |
10/23/2008 | WO2007133550A3 Channel letter machiine and method thereof |
10/23/2008 | WO2007133546A3 Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
10/23/2008 | US20080257004 Bending Device Comprising Compensator Rollers |
10/22/2008 | EP1981664A1 Method and apparatus for forming metal frames for reinforced concrete |
10/22/2008 | CN201136023Y Mould for simmer bending curve angle-bar piece |
10/22/2008 | CN101288884A Method for processing three-dimensional curved surface metal plate like piece |
10/16/2008 | US20080250837 Method and apparatus for folding of sheet materials |
10/15/2008 | CN101284288A Tensioning type micro-bending forming method and device |
10/14/2008 | US7434437 Method of making a metallic thin wire for a medical tool |
10/09/2008 | WO2008120065A2 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 |
10/08/2008 | EP1977841A1 Method and device for manufacturing a reinforcement cage made of a reinforced steel mesh |
10/08/2008 | CN101279337A Large-sized bender bidirectional deflection compensation mechanism |
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 |
10/02/2008 | US20080236237 Method of making a metallic thin wire for a medical tool |
10/01/2008 | EP1973678A2 Stretch-forming machine and method |
09/25/2008 | WO2007130186A3 Apparatus and methods for material fabrication |
09/24/2008 | CN201120425Y Multifunctional hot bending machine |
09/23/2008 | US7426846 Automatic bending machine for manufacturing of steel rule cutting dies |
09/23/2008 | CA2365771C Method and apparatus for forming a metal sheet under elevated temperature and air pressure |
09/18/2008 | US20080223735 Gas Container and Method of Producing the Same |
09/18/2008 | US20080223102 Spring clamp for a support leg |
09/18/2008 | US20080223101 Gripping apparatus for gripping and holding elongated workpieces, in particular for bending machines |
09/17/2008 | CN101264493A Internal tension force deformation special-shaped section simmer bending method |
09/17/2008 | CN101264491A Internal tension deformation bending method |
09/17/2008 | CN100418657C Technique for processing chain plate |
09/10/2008 | CN101259497A Benders |
09/03/2008 | EP1725351B1 METHOD FOR PRODUCING A FLUID CONDUIT, IN PARTICULAR A FLUID CONDUIT IN A CO sb 2 /sb REFRIGERATING PLANT |
09/03/2008 | CN201110284Y Hydraulic control valve set for bending machine |
09/03/2008 | CN201108934Y Bidirectional pressure moulding die |
09/03/2008 | CN201108932Y Chain cover bending mechanism |
09/03/2008 | CN101254516A Bending device |
08/28/2008 | US20080202188 Folding system |
08/28/2008 | US20080202182 Deformation of Thin Walled Bodies |
08/27/2008 | CN201105304Y Bending female mold |
08/27/2008 | CN101249588A Sheet material double face precise forming method and apparatus based on laser blast wave effect |
08/21/2008 | WO2008042014A3 Corner cam assembly |
08/19/2008 | US7412863 Work positioning device |
08/14/2008 | US20080193714 Method for precision bending of sheet of materials, slit sheets fabrication process |
08/12/2008 | US7409845 Quick change over apparatus for machine line |
08/12/2008 | US7409844 Apparatus for thinning upstanding sides of metal sheets |
08/07/2008 | WO2007145737A3 Creep forming and stress relieving in metal bar |