| 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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| 06/05/2002 | EP1211000A2 Method for the segmental bending of wire binding elements |
| 05/23/2002 | DE10056054A1 Method for producing bent spring rails from endless spring band involves continuously bending section of spring band , cutting bent section and discontinuous reverse bending to reduce internal stress |
| 05/21/2002 | US6389872 Mandrel apparatus with floating spring members |
| 05/16/2002 | WO2002038299A1 Method for producing bent spring rails from an endless spring band |
| 05/16/2002 | DE10056055A1 Method for producing bent spring rails from endless spring band involves continuously bending section of spring band , cutting bent section and discontinuous reverse bending to reduce internal stress |
| 05/15/2002 | CN2491148Y Stirrup bending former |
| 05/15/2002 | CN2491147Y Self-controlled spiral jack I-type steel bulldozer |
| 05/15/2002 | CN2491146Y Push-pull roller type cold bender |
| 05/10/2002 | WO2002036280A1 Fast and automated tool-changing device with standard conical tool support for digitally controlled bending machine |
| 05/08/2002 | EP0876229B1 Bending of elongate elements |
| 05/07/2002 | US6385556 Method and system for determining heating point and heating line in bending of steel plate |
| 05/02/2002 | US20020050157 Shaped metal panels and forming same by shot peening |
| 05/02/2002 | EP1201330A1 A method of manufacturing ductile sheet material components |
| 04/30/2002 | US6378352 Method and apparatus for winding thin walled tubing |
| 04/30/2002 | US6378347 Machine for manufacturing twisted and offset electrical conductors |
| 04/25/2002 | US20020046591 Method of manufacturing ductile sheet material components |
| 04/24/2002 | EP1199115A1 Method and apparatus for bending sections and the like according to programmable radii of curvature |
| 04/24/2002 | EP1199114A2 Method for automatically bending sections and the like and apparatus for performing the method |
| 04/24/2002 | CN1345639A Coiling and press-levelling formation method for sheet metal material |
| 04/23/2002 | US6377736 Helical products and method of manufacturing of same for engagement with a cable |
| 04/23/2002 | US6375174 Curved helical compression spring |
| 04/18/2002 | US20020043092 Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 04/17/2002 | CN2486233Y Device for making twist iron |
| 04/11/2002 | WO2002028562A1 Device and method for bending undulations |
| 04/11/2002 | DE10048556A1 Verfahren zum Biegen von Mäander Method of bending meander |
| 04/09/2002 | US6367302 Method for bending and cutting metal strip material |
| 04/04/2002 | WO2001098601A3 Panel curving machine |
| 04/04/2002 | WO2001053015A3 Apparatus and method for manufacture of multilayer metal products |
| 03/27/2002 | EP1190789A1 Device for forming cutting blade for prints |
| 03/20/2002 | EP1187689A1 Methods for production of continuous stretches of circular cylindrical members, tools, use of a tool, a length of pipe and pipe parts |
| 03/14/2002 | US20020032542 Method and system for determining heating point and heating line in bending of steel plate |
| 03/14/2002 | US20020031412 Device for forming cutting blade for prints |
| 03/12/2002 | US6354130 Method for bending a corrugated sheet |
| 03/06/2002 | EP1184099A1 A machine for bending metal rods with a variable length support table |
| 02/28/2002 | DE10037029A1 Verfahren und Vorrichtung zum Umformen von Strukturbauteilen Method and apparatus for shaping structural parts |
| 02/21/2002 | WO2002013989A1 Machine for cold working iron using electromechanical torsioning and winding methods |
| 02/07/2002 | WO2002010332A1 Method and device for shaping structural parts |
| 01/23/2002 | EP1174199A1 Device for curving elongated corner irons |
| 01/17/2002 | WO2002004168A1 Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 01/16/2002 | CN2471445Y Dual head ear bender |
| 01/09/2002 | CN2470023Y Novel bending machine |
| 01/08/2002 | USRE37497 Apparatus and method for forming metal building panels |
| 01/02/2002 | CN2468623Y Wrought iron cold bending machanism |
| 01/01/2002 | US6334350 Automatic machine for the formation of ship's curved hull-pieces |
| 12/27/2001 | WO2001098601A2 Panel curving machine |
| 12/26/2001 | CN2467220Y Forging iron cold twisting apparatus |
| 12/20/2001 | US20010052255 Press forming process and product formed thereby with high dimensional accuracy, and workpiece used therefor |
| 12/18/2001 | US6331072 Continuous, chaotic convection mixer, heat exchanger and reactor |
| 12/12/2001 | CN2464468Y Arc bending machine for steel bar |
| 12/12/2001 | CN1325773A Automatic steel bar bender |
| 12/06/2001 | WO2001091936A1 Automated bar bender |
| 12/05/2001 | EP1159094A1 Method and pipe-bending device for manufacturing a pipe-offset for a connector |
| 12/05/2001 | EP1159093A1 Method for forming a short-radius bend in flanged sheet metal member and connector produced thereby |
| 12/04/2001 | US6325953 Plastic working method and plastic working machine |
| 12/04/2001 | US6324953 Device for forming cutting blade for prints |
| 11/27/2001 | CA2076653C Method of bending a ball point pen tip |
| 11/21/2001 | EP1154870A1 Process for deforming a piece of thin-walled metal tube |
| 11/21/2001 | EP0983453B1 Helical products |
| 11/20/2001 | US6318142 Spacer device for a basket forming apparatus |
| 11/15/2001 | US20010039821 Device for forming cutting blade for prints |
| 11/14/2001 | EP1154423A2 Apparatus and method for making a shaped-spring assembly for use in a magnetic head-to-media backer device |
| 11/14/2001 | EP1153700A2 Method and device for working the ends of hydraulic tubes |
| 11/14/2001 | EP0796157B1 Method and device for the deformation of plate material |
| 11/07/2001 | CN2458100Y Special shape section for building |
| 10/31/2001 | EP1149642A1 Process for twisting a metallic piece, twisting apparatus and progressive die for such a device |
| 10/30/2001 | US6308411 Truck cab sidewall and method for making the same |
| 10/25/2001 | US20010032489 Die for pipe bending apparatus |
| 10/25/2001 | DE10010981A1 Method for producing load carrying sheet material has rolled profiled ridges and is processed with cross ridges and a load carrying curvature |
| 10/24/2001 | CN2455403Y Spiral pipe shaping apparatus |
| 10/17/2001 | EP0697925B1 Microprocessor controlled apparatus and method for forming metal building panels |
| 10/16/2001 | CA2142140C Apparatus for bending a heat-exchanger tube |
| 10/11/2001 | WO2001074512A1 Machine for bending and twisting flat metal wire |
| 10/11/2001 | WO2001074509A1 Bending machine for rods with resettable folding shank |
| 10/09/2001 | US6298706 Apparatus for use in a pipe bending machine and method for bending pipe |
| 10/03/2001 | CN2451255Y Heating system radiating tube bend forming apparatus |
| 10/03/2001 | CN2451254Y 'U' shape tube continuous bending machine |
| 10/02/2001 | US6298310 Method and system for determining heating point and heating line in bending of steel plate |
| 10/02/2001 | US6295857 Method and machine for automatically bending profiled elements and the like |
| 09/26/2001 | EP1136148A2 Composite panel and method of bending the same |
| 09/26/2001 | EP1136147A2 Variable-speed pipe bending |
| 09/12/2001 | EP1131171A1 Method for forming curved conduit sections with steel tubes provided with a mortar coat |
| 09/12/2001 | CN1312201A Ladder-shape frame assembly of automobile |
| 09/05/2001 | EP1129798A2 Automatic plate bending system using high frequency induction heating |
| 09/05/2001 | CN1070395C Method and apparatus for mfg. helical products, and method for producing helical device structure |
| 09/04/2001 | US6282936 Cold-forming process and apparatus |
| 08/30/2001 | WO2001062411A1 Wire bending device |
| 08/30/2001 | WO2001062406A1 Blank guided forming |
| 08/28/2001 | US6279858 Woven wire netting for protection against rock falls or for securing a top layer of soil, and method and device for producing same |
| 08/23/2001 | WO2001060542A1 Bending machine |
| 08/16/2001 | WO2001005549A3 Contour forming of metals by laser peening |
| 08/15/2001 | CN1307942A Surface cold roller and deformed low alloy steel bar |
| 08/09/2001 | US20010011791 Curved helical compression spring |
| 08/02/2001 | US20010010167 Method for forming a short-radius bend in flanged sheet metal member |
| 08/01/2001 | EP1120580A2 Curved helical compression spring |
| 07/26/2001 | WO2001053015A2 Apparatus and method for manufacture of multilayer metal products |
| 07/26/2001 | CA2398286A1 Apparatus and method for manufacture of multilayer metal products |
| 07/19/2001 | WO2001051228A2 A sweep forming assembly, a bumper and a method of manufacture thereof |
| 07/17/2001 | US6260402 Method for forming a short-radius bend in flanged sheet metal member |
| 07/17/2001 | US6260398 Forming of hollow extrusions with double plane bends and twists |
| 07/04/2001 | EP1112788A1 Device for stepwise bending of metal sheets or strips |