| 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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| 11/23/2004 | US6820451 Sweep forming assembly and method |
| 11/11/2004 | DE4442929B4 Biegemaschine zum Biegen von Diagonalstäben für Gitterträger Bending machine for bending diagonal bars for grid support |
| 11/11/2004 | DE19642930B4 Vorrichtung zum Biegen oder Krümmen von Hohlprofilleisten Device for bending hollow profile strips, or warp |
| 11/09/2004 | US6813923 Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 11/09/2004 | US6813922 Bending machine for rods with resettable folding shank |
| 11/03/2004 | EP1473097A1 Method of forming disk wheels |
| 11/03/2004 | CN1541785A Method of forming disk wheels |
| 10/27/2004 | EP1469956A1 Reshaping tool |
| 10/27/2004 | CN2650900Y Automatic hooping shaper |
| 10/26/2004 | US6807838 Press die |
| 10/21/2004 | US20040206152 Sheet material with bend controlling displacements and method for forming the same |
| 10/21/2004 | DE10314917A1 Fitting for doors and windows, has curved bar arranged and connected between handle and gorge unit through simple machining process, such that curved bar forms elbow section between handle and gorge unit |
| 10/20/2004 | EP1468460A2 THIN−WALL ANODE CAN |
| 10/20/2004 | EP1467827A1 Bending machine for profiles such as reinforcement round pieces or similar |
| 10/20/2004 | CN2649837Y Hydraulic cylinder for bending machine |
| 10/19/2004 | US6804980 Metal stock bender twister adaptor |
| 09/30/2004 | US20040187540 Bending machine for profiles and relative bending method |
| 09/29/2004 | EP1461169A1 Device and method for bending profiles |
| 09/28/2004 | US6797364 Composite panel |
| 09/22/2004 | EP1459817A1 Vehicle suspension system and method for forming connecting component used therein |
| 09/22/2004 | CN2642425Y Digital controlled servo bending-machine main transmission system |
| 09/21/2004 | CA2325813C Cold steel cambering apparatus and method |
| 09/16/2004 | US20040178627 Double pipe and method of manufacturing the double pipe |
| 09/09/2004 | US20040173002 Method of bending metal sheets and a bending apparatus |
| 09/08/2004 | CN1165391C Formation method and device for curved plates |
| 09/02/2004 | US20040168501 Method for locating variable length components in a modular forming die |
| 09/02/2004 | US20040168500 Plate material processing machine with bending function and tool for the same |
| 09/01/2004 | CN2637022Y New type steel bar hydraulic cutting, bending device |
| 09/01/2004 | CN1524637A Method for making a rectangular steel tube with a closed angle |
| 08/26/2004 | WO2004028937A3 Manufacturing folded structures and sheet therefore |
| 08/25/2004 | CN1163322C Automatic machine for formation of ship's curved hull-pieces |
| 08/25/2004 | CN1163321C Coiling and press-levelling formation method for sheet metal material |
| 08/19/2004 | US20040162066 Isolation and remediation of a communication device |
| 08/19/2004 | US20040158985 Forming serpentine heat exchangers from spine fin tubing |
| 08/19/2004 | DE10303458A1 Shaping method for thin metal sheet, involves finishing rough forming body to product shape using tool that moves three-dimensionally with mold punch as mold surface sandwiching sheet thickness while mold punch is kept under pushed state |
| 08/18/2004 | EP1447606A1 Double pipe and method of manufacturing the double pipe |
| 08/18/2004 | EP1446244A1 Flattened u-bolt and method-for making said u-bolt |
| 08/18/2004 | CN2633462Y Digital control hoop bender |
| 08/18/2004 | CN2633461Y Bending mechanism for steel bar bender |
| 08/12/2004 | US20040154369 Creep forming a metallic component |
| 08/11/2004 | CN2631660Y Spiral rolling mill with synchronous adjuster |
| 08/05/2004 | US20040149002 Computerised mobile-stop bench vice for reinforcing iron bar bending machine |
| 08/05/2004 | US20040148997 Shaping method and apparatus of thin metal sheet |
| 08/05/2004 | DE10259639A1 Tool for bending rod or tube stock has scissors linkage with links connected to middle guide rail |
| 08/04/2004 | CN2629863Y Steel reinforcement bending machine |
| 08/03/2004 | US6769282 One-step offset bender |
| 07/29/2004 | US20040144149 Non-marring spinal rod curving instrument and method for using same |
| 07/28/2004 | EP1439920A1 A method of bending metal roofing sheets and a bending apparatus |
| 07/28/2004 | CN2628174Y Internal tooth angle regulating steel bar bending machine |
| 07/27/2004 | US6766678 Process for deforming a piece of thin-walled metal tube |
| 07/22/2004 | DE19833006B4 Verfahren und Vorrichtung zur Herstellung rohrförmiger gebogener Hohlkörper durch Innenhochdruckumformen Method and apparatus for producing curved hollow tubular body by internal high-pressure forming |
| 07/21/2004 | EP1439012A1 Automatic plate bending system using high frequency induction heating |
| 07/20/2004 | US6766268 Method for calculating heating procedure of linear heating |
| 07/20/2004 | US6763693 Method for shaping an initial profile or a similar workpiece using an internal high pressure and profile therefor |
| 07/15/2004 | US20040134250 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 07/08/2004 | US20040129049 Curling machine provided with an adjusting device for evenly winding elongated workpieces into spirals |
| 07/08/2004 | DE10257044A1 Gas turbine particularly to power aircraft has fixed guide vanes has curvature of guide vanes and simultaneously entry angle and/or emergence angle of vanes adjustable independent of each other |
| 07/07/2004 | EP1434660A1 Bending machine for profiles, such as reinforcement round pieces or similar |
| 07/07/2004 | CN2623371Y Novel multifunctional automatic reinforced steel bar looping and moulding machine |
| 07/07/2004 | CN2623370Y Bending mould of í Uí workpieces |
| 06/30/2004 | EP1296780A4 Automated bar bender |
| 06/29/2004 | CA2132974C A universal support and positioning structure for tools used by an elongate element bending machine |
| 06/24/2004 | US20040118175 Fixture for holding metals parts for bending or twist correction |
| 06/22/2004 | US6751998 Method for forming a three dimensional object |
| 06/17/2004 | WO2004050292A1 Bending laser irradiation apparatus and laser irradiation method |
| 06/17/2004 | US20040112108 Rotary die blade member bending method, and rotary die blade member binding device |
| 06/09/2004 | CN1152991C Woven wire netting for protection against rock falls or for securing top layer of soil, and method and device for producing same |
| 06/03/2004 | WO2004012879A3 Tube crimping/bending apparatus |
| 06/02/2004 | EP1423218A1 Method and apparatus for distorting a workpiece |
| 06/02/2004 | EP1272293B1 Bending machine for rods with resettable folding shank |
| 06/02/2004 | EP1017514B1 Method for working a metallic strip |
| 05/26/2004 | EP1422003A1 Curling machine provided with an adjusting device for evenly winding elongated workpieces into spirals |
| 05/12/2004 | EP1417052A1 Bending machine for profiles and relative bending method |
| 05/06/2004 | WO2004037458A1 Method and device for bending blade member |
| 05/06/2004 | EP1415734A1 Bending machine for bars and relative bending method |
| 05/04/2004 | US6730433 Thin-wall anode can |
| 04/29/2004 | US20040079131 Portable mini-break |
| 04/29/2004 | US20040078977 Flange sleeve, method for the production thereof and bending tool for producing flanges on a sleeve |
| 04/29/2004 | DE10296917T5 Verfahren und Gerät zum Herstellen eines rotierenden Schneideisen-Messers, das an die Schneideisenblock-Kontur anpassbar ist Method and apparatus for producing a rotary die cutting knife that is adaptable to the cutting iron block contour |
| 04/22/2004 | US20040074276 Metal stock bender twister adaptor |
| 04/21/2004 | EP1409167A1 Method and device for shaping structural parts |
| 04/15/2004 | DE10245317A1 Method for bending long metal sections secured between grips and bent over a template while under tension and with the grips on tilt mountings to control the bending moments |
| 04/14/2004 | EP1407839A1 Installation for cutting metal bars |
| 04/08/2004 | WO2004028937A2 Manufacturing folded structures and sheet therefore |
| 04/08/2004 | CA2499934A1 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 04/07/2004 | EP1404468A1 Creep forming a metallic component |
| 04/07/2004 | CN2609683Y Building reinforced bar forming machine |
| 04/07/2004 | CN1487522A Thin plate forming method, correcting apparatus for thin plate and over beam and correcting method thereof |
| 04/06/2004 | US6715202 Tube bender for forming serpentine heat exchangers from spine fin tubing |
| 03/31/2004 | EP1401594A1 Apparatus and method for forming a three-dimensional object |
| 03/31/2004 | CN2608180Y Water gutter shaping machine |
| 03/31/2004 | CN2608179Y Twisted bar machine |
| 03/30/2004 | US6711931 Device and method for locating variable length components in a modular forming die |
| 03/24/2004 | CN1142838C Method for forming sheet metal strip |
| 03/23/2004 | US6710295 Slider curvature modification by substrate melting effect produced with a pulsed laser beam |
| 03/18/2004 | US20040050831 Slider produced by slider curvature modification by substrate melting produced with a pulsed laser beam |
| 03/18/2004 | US20040050136 Fast and automated tool-changing device with standard conical tool support for digitally controlled bending machine |
| 03/17/2004 | CN1481958A Magnetostrictive driver with water-cooled plant and the forming method of its screw flat tube |
| 03/16/2004 | US6705145 Method of processing bent and deformed portion of metal material |
| 03/11/2004 | US20040048013 Method for shaping an initial profile or a similar workpiece using an internal high pressure and profile therefor |