| 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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| 07/14/2009 | US7559222 Method for testing can ends |
| 07/09/2009 | WO2009086317A1 High-strength three-dimensional structure and method of manufacture |
| 07/02/2009 | US20090169911 Extrusion-molded hollow material, and apparatus and method for molding same |
| 07/02/2009 | US20090165526 Process and Apparatus to Make an Edge or a Collar Featuring a Complex Structure on Metal Rough Pieces |
| 07/01/2009 | CN201264053Y Tool for processing bearing oil catch teeth |
| 07/01/2009 | CN101468368A Anti-deflection apparatus of numerical control bending machine |
| 06/25/2009 | WO2009078739A2 Metal folding apparatus |
| 06/25/2009 | US20090158798 Spiral roller machine |
| 06/25/2009 | US20090158796 Bending brake carrier locking mechanism and method |
| 06/24/2009 | CN101466485A Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
| 06/24/2009 | CN101462132A Sheet follow-up supporting device of bending machine |
| 06/24/2009 | CN101462131A Method for manufacturing heat exchanger coil |
| 06/23/2009 | US7549311 Sheet metal bending brake |
| 06/18/2009 | US20090151418 Crimp die holding mechanism |
| 06/17/2009 | CN201257467Y Lift-up bending stretcher |
| 06/17/2009 | CN101456044A Production method of helical discharging sedimentation centrifuge helical blade |
| 06/10/2009 | CN201253654Y Electrode ear bending tool for lithium ionic cell |
| 06/10/2009 | CN101450357A Shaping mill and flange production method using the shaping mill |
| 06/04/2009 | US20090139294 Hemming apparatus |
| 05/28/2009 | WO2009066767A1 Temperature distribution history estimating method |
| 05/27/2009 | CN201244617Y Hot-winding machine for flange workblank |
| 05/27/2009 | CN201244616Y Press-sealing component sealing structure of spiral wind pipe forming machine |
| 05/27/2009 | CN201244615Y Roller component sealing structure of spiral wind pipe forming machine |
| 05/27/2009 | CN101443138A Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
| 05/27/2009 | CN101442898A Numerical control forming machine for integrated circuit pin |
| 05/26/2009 | US7536893 Automatic bending machine for manufacturing of steel rule cutting dies |
| 05/26/2009 | US7536892 Method and apparatus for forming sheet metal |
| 05/21/2009 | US20090128960 Thin plate formation method, thin plate and suspension correction apparatus, and correction method |
| 05/21/2009 | US20090127241 Thin plate formation method, thin plate and suspension correction apparatus, and correction method |
| 05/21/2009 | US20090126446 Bending apparatus having changeable anvils and related methods |
| 05/20/2009 | CN101433933A Spiral molding method of non-circle curve multiaspect space elongated tube |
| 05/20/2009 | CN101433928A Thermoforming machine and method for bending workpiece thereof |
| 05/14/2009 | WO2009061408A1 Bending apparatus having changeable anvils and related methods |
| 05/14/2009 | WO2009039526A3 Sheet of material with fluid-resistant bend controlling displacements and method of forming the same |
| 05/13/2009 | CN101428319A Pre-bend mould |
| 05/13/2009 | CN101428312A Single-shaft cross-section variable roller bend shaping machine |
| 05/12/2009 | US7530252 Method and apparatus for working tube |
| 05/12/2009 | US7530157 Method of forming coils of a stator of a rotary electric machine |
| 05/07/2009 | US20090113972 Method and device for mounting a fastening element on a part, particularly a sheet metal part |
| 05/06/2009 | CN201231293Y Spiral curved-surface forming device of hob cutter of grass cutter |
| 05/06/2009 | CN201231272Y Twisting device of hob blade of grass cutter |
| 05/06/2009 | CN101422860A Welded flange hot-rolling technique |
| 05/05/2009 | US7526938 Can manufacture |
| 04/28/2009 | US7523633 Wire tray jig and bending method |
| 04/23/2009 | DE112007001295T5 Verfahren und Vorrichtung zum Biegen eines Klingenmaterials Method and apparatus for bending a blade material |
| 04/22/2009 | EP2049279A2 Method and apparatus for creep forming of and relieving stress in an elongated metal bar |
| 04/22/2009 | CN101412061A U-shaped flexure mode |
| 04/22/2009 | CN101412057A Jacking bending drawframe |
| 04/21/2009 | US7520044 Forming of slugs from an aluminium-based alloy; thermal treatment of the slugs, forced cooling, cold impact extrusion of a slug so as to form a can,applying a lacquer inside the can; improved mechanical properties |
| 04/21/2009 | CA2333801C Variable-speed pipe bending |
| 04/16/2009 | WO2009048079A1 Manufacturing method and manufacturing apparatus for twisted flat bar |
| 04/16/2009 | CA2702038A1 Manufacturing method and manufacturing apparatus for twisted flat bar |
| 04/14/2009 | CA2534717C Bending machine with a compact bend arm |
| 04/09/2009 | US20090090155 Sheet-Metal Working Machine and Method for Machining Sheets |
| 04/08/2009 | CN201217030Y Double-curved surface forming lapping machine |
| 04/08/2009 | CN201217029Y Folding shaping machine |
| 04/08/2009 | CN201217028Y Full-automatic thin-wall aluminium pipe coreless tube bender |
| 04/08/2009 | CN201217027Y Small-curvature tube bender |
| 04/08/2009 | CN101402114A Double-shaft variable cross-section roller bending and shaping machine |
| 04/08/2009 | CN101402113A Bender trunnion shaft overload safeguard |
| 04/08/2009 | CN100475374C Hand bending tool |
| 04/01/2009 | CN201214115Y Electrohydraulic synchronous digital control bending machine |
| 04/01/2009 | CN101396704A Molding main machine |
| 04/01/2009 | CN101396703A Improved molding main-machine structure |
| 04/01/2009 | CN100473471C Method for forming edging angle steel connecting oil tank vault and wall plate and special-purpose equipment |
| 03/26/2009 | WO2009039526A2 Sheet of material with fluid-resistant bend controlling displacements and method of forming the same |
| 03/26/2009 | WO2009036871A1 Method and apparatus for bending or linearly rolling out profiles with axle-free mini-roll rolling bodies |
| 03/26/2009 | WO2009036548A1 A cut and rigidified construction component and method of manufacturing same |
| 03/26/2009 | US20090078020 Forming a control line protector by metal pressing operation |
| 03/26/2009 | CA2699673A1 A cut and rigidified construction component and method of manufacturing same |
| 03/21/2009 | CA2637520A1 Metal panel, manufacturing method thereof and cooking device using the metal panel |
| 03/19/2009 | WO2009035358A1 System for automatic and personalized modelling/bending of surgical prosthesis for correction of pectus excavatum based on pre-surgical imaging information |
| 03/18/2009 | CN100469475C Coiling machine |
| 03/17/2009 | CA2328657C Apparatus for use in a pipe bending machine and method for bending pipe |
| 03/12/2009 | US20090064502 Method for forming a bumper beam for a motor vehicle |
| 03/11/2009 | EP2032277A2 Shell press and method for forming a shell |
| 03/11/2009 | CN201205588Y Full-automatic plate spring forming machine |
| 03/11/2009 | CN101382795A Multi-shaft motion control system for water-fire heating plate bending machine |
| 03/10/2009 | US7500375 Apparatus for forming a gutter cap |
| 03/05/2009 | US20090061133 Two-piece can, method for manufacturing same, and steel sheet therefor |
| 03/05/2009 | US20090056401 Wire bending machine combining a sequential shaping device and a device using a tool plate |
| 03/04/2009 | EP2029297A1 Bending machine for bars, particularly bars fed from a roll, and relative method |
| 03/04/2009 | EP1423218B1 Method and apparatus for distorting a workpiece |
| 03/04/2009 | CN101376154A Method for preparing packing auger blade |
| 03/03/2009 | US7497105 Machine and method for parallel production of similar products, through straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section |
| 03/03/2009 | CA2317975C Automated pipe bending machine |
| 02/26/2009 | US20090049879 Rotary Fill Member for a Die Assembly |
| 02/25/2009 | CN201198008Y Bidirectional deflection compensating mechanism of large-sized bender |
| 02/25/2009 | CN101372022A Chain cover bending mechanism |
| 02/24/2009 | US7493790 Process of making easy open can end |
| 02/18/2009 | EP1789215A4 Tool system for bending sheet materials and method of using same |
| 02/18/2009 | EP1296798B1 Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 02/12/2009 | US20090038219 Tree Balling Method, System, and Wire Basket Used Therein |
| 02/11/2009 | EP2021597A2 Channel letter machiine and method thereof |
| 02/04/2009 | CN201189533Y Divided multi-curvature bent force plug |
| 02/04/2009 | CN101360572A Stretch-forming machine and method |
| 02/04/2009 | CN101357381A Flight winding machine |
| 02/04/2009 | CN101357380A Flight winding machine and steel belt introduction device used by flight winding machine |
| 02/04/2009 | CN101357379A Pre-bending device |
| 02/03/2009 | US7484396 Pivot link for sheet bending brake and sheet bending brake including pivot link |