| 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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| 05/19/2011 | US20110113845 Magnetorheological lubricant for metal forming processes |
| 05/18/2011 | CN201832882U Bending device of bending machine |
| 05/18/2011 | CN102059528A Method for manufacturing steel rail |
| 05/18/2011 | CN102059283A Back baffler orbit movement clamping device of bending machine |
| 05/18/2011 | CN102059282A Structure of U-shaped workpiece pressure regulating mould |
| 05/18/2011 | CN101637796B Method for processing hob blade of mower and device for molding helical curved surface of hob blade |
| 05/18/2011 | CN101332478B Numerical controlled plate thermal stress surface shaping machine |
| 05/12/2011 | US20110107810 Method and device for winding metal strip material |
| 05/12/2011 | US20110107809 System for bending a metallic strip |
| 05/11/2011 | CN201823801U Bending machine with improved back stop drive and guide mechanism |
| 05/11/2011 | CN201823800U Raw material strip lateral coiling equipment of leather mechanical blade |
| 05/11/2011 | CN201823799U Fish-bellied beam pressing device and equipment |
| 05/11/2011 | CN102049439A Pipe bending machine integrating straightening, cutting and three-dimensional numerical control pipe bending functions |
| 05/10/2011 | US7937981 Process for treating metal alloy surgical needles to improve bending stiffness |
| 05/05/2011 | US20110101005 Double walled beverage container and method of making same |
| 05/05/2011 | US20110100084 Tube bending machine |
| 05/04/2011 | EP2316586A1 Sheet metal with bend controlling displacements and method for forming the same |
| 04/27/2011 | CN1904395B Link device that is deformable in substantially one direction only |
| 04/27/2011 | CN102036764A Joint jig of spiral duct manufacturing apparatus |
| 04/27/2011 | CN102036763A Manufacturing apparatus and method of spiral duct including elbow |
| 04/27/2011 | CN101442898B Numerical control forming machine for integrated circuit pin |
| 04/21/2011 | WO2011046713A1 Method of performing non vessel shaping operations during vessel shaping |
| 04/21/2011 | DE102009001720B4 Mehrkanalflachrohrwärmeübertrager, insbesondere für Haushaltskühlgeräte Multichannel flat tube heat exchanger, in particular for household refrigerating appliances |
| 04/21/2011 | CA2814642A1 Method of performing non vessel shaping operations during vessel shaping |
| 04/20/2011 | CN201804949U Pre-bent positive lug device of lithium ion battery |
| 04/20/2011 | CN201799510U Die for one-step molding and composite bending of sigma-shaped part |
| 04/20/2011 | CN201799509U Spiral forming machine for leather mechanical blades |
| 04/20/2011 | CN201799508U Processing clamp of cable caliper |
| 04/20/2011 | CN201799507U Bending device with no mold marks |
| 04/20/2011 | CN201799506U Flat steel processing device |
| 04/20/2011 | CN102019309A Pipe bender |
| 04/14/2011 | WO2011043168A1 Groove-cutting device for a thomson blade |
| 04/14/2011 | US20110086224 Sheet and Method of Making Sheet for Support Structures and Tires |
| 04/14/2011 | US20110084579 Housing of electronic device and manufacturing methord thereof |
| 04/13/2011 | EP2307154A1 Bending device for a bending machine for oblong metal elements, and relative bending method |
| 04/12/2011 | US7921687 Wheel reconditioning method and apparatus |
| 04/06/2011 | EP2303486A1 Manufacturing apparatus and method of spiral duct including elbow |
| 04/06/2011 | CN201783568U Fancy twisted piece forming machine |
| 04/06/2011 | CN201783550U Reverse stretching device adopting twisting of eccentric wheel and provided with two pull rods |
| 04/06/2011 | CN102000721A Method for positioning irregular metal plate during bending |
| 04/06/2011 | CN102000720A 6-shaped piece composite bending mould formed by one step |
| 04/06/2011 | CN101648235B Flexible roller contact molding rolling forming device |
| 04/05/2011 | US7918119 Method of controlling the speed of a laying head in a rolling mill |
| 04/05/2011 | CA2622181C Method of controlling the speed of a laying head in a rolling mill |
| 03/31/2011 | WO2011036549A1 Improved archimedean screw |
| 03/31/2011 | US20110072873 Method for shaping a barrel spring made of metallic glass |
| 03/30/2011 | EP2301687A1 Method and device for bending tubular or rod-shaped material |
| 03/30/2011 | CN201776328U Material support device |
| 03/30/2011 | CN201776327U Flange bending machine |
| 03/30/2011 | CN101992239A Hydraulic air duct elbow forming machine with good forming quality and high efficiency |
| 03/23/2011 | CN201768792U Bending machine prop |
| 03/23/2011 | CN201768791U Secondary forming die for spiral pipe |
| 03/23/2011 | CN201768790U Non-spindle spiral pipe bending machine |
| 03/22/2011 | US7908899 Slide lock |
| 03/16/2011 | CN201760481U Lateral bending machine |
| 03/10/2011 | US20110059330 Method for precision bending of sheet of materials, slit sheets fabrication process |
| 03/10/2011 | DE202010014971U1 Vorrichtung zum Biegen eines Anschlusskontakts eines Photovoltaikmoduls A device for bending a connecting contact of a photovoltaic module |
| 03/09/2011 | CN101983791A Pipe bender of spiral bent pipe |
| 03/09/2011 | CN101983790A Pipe bender for spiral bend pipe |
| 03/03/2011 | DE102009039939A1 Spanneinrichtung für Biegewerkzeuge Clamping device for bending tools |
| 02/24/2011 | US20110043002 Cut and rigidified construction component and method of manufacturing the same |
| 02/24/2011 | DE112009000645T5 Warmumformprozess für Metalllegierungsbleche Hot forming of metal alloy sheets |
| 02/23/2011 | CN201751032U Pipe bending machine |
| 02/22/2011 | US7894163 Thin plate formation method, thin plate and suspension correction apparatus, and correction method |
| 02/22/2011 | US7891225 Bending machine |
| 02/16/2011 | CN201744540U Front backer of bending machine |
| 02/16/2011 | CN201744539U Intelligent rotary arm of tube bending machine |
| 02/16/2011 | CN201744538U Novel device for producing spiral high-finned tubes |
| 02/16/2011 | CN201744527U Molding tool for bending plate |
| 02/16/2011 | CN101977707A Hot forming process for metal alloy sheets |
| 02/16/2011 | CN101972805A Material supporting device |
| 02/16/2011 | CN101972804A Device for quickly clamping universal tool |
| 02/16/2011 | CN101972803A Double-face quick-clip linkage mechanism |
| 02/16/2011 | CN101972802A Rapid clamping device for double-sided cutter |
| 02/16/2011 | CN101972801A Quick clamping device of single-side cutter |
| 02/09/2011 | CN201742576U Bending length adjusting device |
| 02/09/2011 | CN201735655U Material supporting device at front of bending machine |
| 02/09/2011 | CN201735654U Rear stop material hanger |
| 02/09/2011 | CN201735653U Synchronous follow-up material holding device of numerical control bending machine |
| 02/09/2011 | CN1703289B Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 02/03/2011 | US20110023567 Deformation of Thin Walled Bodies |
| 02/02/2011 | CN201728297U High and deep U-shaped bending mould with fine tuning device |
| 02/02/2011 | CN101564745B Device for bending upper rotating shafts |
| 02/01/2011 | US7878039 Channel letter machine and method thereof |
| 02/01/2011 | US7878038 System and process for production of three-dimensional products from wire |
| 01/26/2011 | CN201720304U Electric helical blade stretching unit |
| 01/26/2011 | CN201720303U Steel strip forming device |
| 01/26/2011 | CN201720302U Sliding and bending mechanism for thick metal stamping parts |
| 01/26/2011 | CN101956389A Omega-shaped corner pile and continuous roll type cold bending formation method thereof |
| 01/26/2011 | CN101954400A Continuous roll cold bending forming method for stainless steel water stop strips |
| 01/26/2011 | CN101954399A Straight-angle corner pile continuous rolling type cold-bending forming method |
| 01/26/2011 | CN101954398A Continuous cold-roll-forming shaping method of straight-hook-shaped corner pile |
| 01/26/2011 | CN101954397A Manufacture method of Z-shaped steel sheet pile through continuous cold roll forming |
| 01/26/2011 | CN101954396A Roll type continuous cold-bending forming fabricating method for U-shaped steel sheet pile |
| 01/26/2011 | CN101954395A Continuous roll type cold-bending forming method for S-shaped corner pile |
| 01/26/2011 | CN101954394A Continuous roll cold bending forming method for stainless steel corrugated plates |
| 01/25/2011 | US7875831 Thin plate formation method, thin plate and suspension correction apparatus, and correction method |
| 01/20/2011 | US20110011486 Method and Device for Manufacturing a Cable Comprising Two Layers of the In Situ Compound Type |
| 01/19/2011 | CN201711435U Die of dual circular work piece |
| 01/19/2011 | CN201711405U Automatic positioning device for bending machine |