Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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02/08/2001 | WO2001008831A1 An apparatus for rotating a horizontally disposed, cylindrical workpiece |
02/07/2001 | CN2417950Y Building clamp-unit fromation device |
02/07/2001 | CN2417949Y Column type stainless-steel cold-bent section mill |
01/25/2001 | WO2001005533A1 Leaf spring straightening apparatus |
01/25/2001 | WO2001005532A1 Apparatus for bending a cutting blade |
01/24/2001 | CN2415861Y Multi-section double-angle bending machine with improved structure |
01/18/2001 | DE19933583A1 Bending process for esp. tubes uses two-part bending tool to clamp tube, move it between two bending axis and bent it about one axis |
01/16/2001 | US6173599 Leaf spring straightening apparatus |
01/16/2001 | US6173598 Modular multipurpose bending machine and its linear positioning system |
01/09/2001 | US6170310 Transmission shaft of a movable arm of a pipe bender |
01/03/2001 | EP1065015A1 Apparatus for bending elongate metallic objects such as tubes |
01/02/2001 | US6167740 Method and apparatus for forming bends in a selected sequence |
12/27/2000 | CN1059849C Bending apparatus for obtaining spiral pipe |
12/26/2000 | US6164113 Variable-speed pipe bending |
12/26/2000 | US6164107 Radius crimping tool |
12/14/2000 | WO2000074871A1 Method for producing pipe bends from straight, spirally welded pipes |
12/14/2000 | DE19925521A1 Curved frame section for a vehicle door or bodywork component is a hollow profile with an insert at the zone where higher loading forces are to be expected |
12/13/2000 | CN1276274A Technology for manufacturing elbow pipe with straight segment |
11/30/2000 | WO2000071973A1 Pipe-bending alignment device |
11/30/2000 | WO2000071276A1 Methods for production of continuous stretches of circular cylindrical members, tools, use of a tool, a length of pipe and pipe parts |
11/30/2000 | CA2375233A1 Methods for production of continuous stretches of circular cylindrical members, tools, use of a tool, a length of pipe and pipe parts |
11/29/2000 | CN2408555Y Improved hydraulic bus bar bending machine |
11/29/2000 | CN1058915C Apparatus and method for bending forging metal pipe as artist product |
11/23/2000 | WO2000069581A1 Wire bending machine and bending method |
11/22/2000 | CN2406744Y Portable hand pipe bender |
11/21/2000 | CA2173076C Process of hydroforming tubular suspension and frame components for vehicles |
11/15/2000 | EP1051268A1 Tube bending machine and magazine device thereof |
11/15/2000 | CN1058427C Apparatus for and method of bending and heat exchanger |
11/09/2000 | WO2000066289A1 Bending machine for pipes, sections or similar |
11/09/2000 | CA2373056A1 Bending machine for pipes, sections or similar |
10/25/2000 | EP1046437A1 Bending machine with actively operated central capstan |
10/25/2000 | CN1270857A Hot pipebending technology and mold for bending pipe |
10/24/2000 | US6134932 Machine for bending or cambering a profile section, and bending head therefor |
10/19/2000 | WO2000061313A1 Apparatus for folding a cutting blade |
10/10/2000 | US6128944 Apparatus for bending malleable metal rods |
10/10/2000 | US6128942 Bending machine |
10/10/2000 | US6128941 Pipe bending machine |
10/10/2000 | US6128940 Folding system for a cutting blade |
10/10/2000 | US6128811 Apparatus and method for forming table aprons |
09/28/2000 | DE19912353A1 Bending device for angle sections in string form, in which second arm of section can be pressed by pressing roll to endface of one of pressure rolls |
09/27/2000 | CN2398030Y Bent-tube forming quipment |
09/21/2000 | DE19911283A1 Bending device for profile legs of torsion profiles of composite steering shafts has frame with profile clamping unit and driven slide with forming and support jaws |
09/21/2000 | DE10011382A1 Bending method for e.g. hollow extruded profile of aluminum alloy with pressure application to flange in direction at right angles to profile direction |
09/20/2000 | EP1035930A1 Forming tool heating device |
09/20/2000 | CN2396907Y Improved three-dimensional pipe-bending plastic die |
08/22/2000 | US6106048 Sun visor for automobiles |
08/17/2000 | WO2000047409A1 Laminated material and method of bending laminated material |
08/17/2000 | WO2000047345A1 Method and pipe-bending device for manufacturing a pipe-offset for a connector |
08/16/2000 | EP1027942A1 Tube for heat exchanger and method of manufacturing same |
08/10/2000 | DE19911808A1 Turning bending device, e.g. for tubes and rods of non-circular cross section, upper tool of which includes base body, bending roller and two pivoted flood smoothers |
08/01/2000 | US6097012 Induction-heating bender |
08/01/2000 | CA2195180C A support arm assembly for pipe bending machines with automatic pipe positioning |
07/27/2000 | WO2000043143A1 Bending method for pipe material |
07/25/2000 | US6092407 Ring bending machine |
07/20/2000 | WO2000041825A1 A procedure for bending a profiled metal element while limiting deformation of its cross-sectional shape |
07/20/2000 | CA2359341A1 A procedure for bending a profiled metal element while limiting deformation of its cross-sectional shape |
07/05/2000 | CN2386031Y Dual-purpose machine used for pipe winding and horizontal jack |
07/05/2000 | CN1054084C Slaved tube length controller for U-shape tube bender |
07/04/2000 | US6082168 Apparatus for rotating a horizontally disposed, cylindrical workpiece |
06/28/2000 | CN1053849C Microprocessor controlled apparatus and method for forming metal building panels |
06/27/2000 | US6079246 Universal machine for bending pipes or section bars to both fixed and variable curvatures |
06/14/2000 | EP1008401A2 Method of manufacturing arm member |
06/13/2000 | US6075231 Formed molding torpedo device and a method for making the same |
05/30/2000 | CA2007985C Movable shears upstream of a bending assembly and method to bend the trailing end of bars |
05/25/2000 | DE19955200A1 Assembly for producing boomerang-shaped pipe sections especially for vehicle steering rods has bending tool fixed on pressing ram plate and fitting centrally between pipe sockets |
05/09/2000 | US6058753 Can base reforming |
05/09/2000 | CA2245996C Pipe bending machine |
04/26/2000 | CN2375393Y Aluminium alloy profile and its special connecting knee bend |
04/25/2000 | US6053024 Method of forming a turbine shell of a torque converter by press working |
04/20/2000 | WO2000021697A1 Method for bending pipes |
04/20/2000 | DE19847401A1 Device for bending tubes between tension piece and bending plate, tension piece and plate rotating around bending axis, involves tube accommodated in tension piece groove and/or in peripheral groove of bending plate |
04/06/2000 | WO2000018527A1 Pressure pad device for a bending machine |
04/05/2000 | EP0990471A1 Bending machine |
04/04/2000 | CA2175978C Universal ring bender |
03/30/2000 | WO2000016922A1 Grasping device for changing bending tools on a tube bending machine |
03/30/2000 | WO2000016921A1 Apparatus and method for bending tubular or rod-shaped material |
03/30/2000 | DE19919508A1 Gegenhaltevorrichtung für eine Biegemaschine Counter-holding device for a bending machine |
03/30/2000 | CA2342731A1 Grasping device for changing bending tools on a tube bending machine |
03/29/2000 | EP0988195A1 Method for producing flat bar windshield wipers provided for vehicles and having bent flat bars |
03/29/2000 | CN2370977Y Hand pipe bender |
03/28/2000 | CA2189099C Flexible shoe for a bending machine |
03/22/2000 | CN2369789Y Tube bending machine |
03/22/2000 | CN1050558C Technology for producing gauge bent tube |
03/21/2000 | US6038903 Dual headed bending machine |
03/21/2000 | US6038902 Intrados induction heating for tight radius rotary draw bend |
03/15/2000 | CN2368624Y Three purpose apparatus for lifting, pipe bending and pressing |
03/15/2000 | CN2368623Y Flexible anti-corrugating-plate device of pipe bender |
03/14/2000 | US6035691 Adjustable rod bending device for a corrective spinal rod which is used in a surgical operation |
03/09/2000 | WO2000012241A1 Method and device for forming a hollow body |
03/09/2000 | WO2000012239A1 Device for bending frame sections |
03/09/2000 | DE19839544A1 Bending device for frame profile for insulation glass panes has pressure application roller on rocker arm controlled by adjustable pneumatic cylinder |
03/08/2000 | EP0983809A2 Method and device for bending a hollow profile for making a spacer frame for insulating glazing |
03/08/2000 | CN2367407Y 液压折弯机 Hydraulic bending machine |
03/02/2000 | WO2000010747A1 Jig for bending ship's frame sections |
03/01/2000 | CN2366199Y Two purpose machine for pressing and bending tube |
02/29/2000 | US6029333 Method of making an inspection fixture for determining the accuracy of bent tubular parts |
02/24/2000 | DE19825641C1 Verfahren und Vorrichtung zum Biegen eines Biegeprofils Method and apparatus for bending a bending profile |
02/22/2000 | US6026668 Electrically-powered cutting and bending machine |
02/17/2000 | DE19835190A1 Mechanical bending method for long tubes uses single bending unit only with single bending head and tube clamping device |
02/16/2000 | CN2363804Y Chaining bending forming device |