| 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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| 12/23/2009 | WO2009117250A3 Hot forming process for metal alloy sheets |
| 12/23/2009 | CN100571924C Screw blade coiling and molding method, and molding equipment thereof |
| 12/17/2009 | WO2009114113A3 Holow structural members, a rail system and methods of manufacturing |
| 12/16/2009 | CN201361651Y Liftable rear stock stop mechanism for bending machine |
| 12/16/2009 | CN201361650Y Circle rolling machine for processing equipment such as electric steel tower, telecommunication tower and the like |
| 12/16/2009 | CN201361649Y Gas-liquid bending machine |
| 12/16/2009 | CN201361645Y Hand-operated edge fold forming machine |
| 12/03/2009 | WO2009118143A3 Bending method and machine for metal rods and/or bars |
| 12/03/2009 | US20090297740 Precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 12/02/2009 | CN201353601Y Follow-up roller way material support mechanism |
| 12/02/2009 | CN100564006C Stir forming apparatus and method |
| 12/01/2009 | US7624610 Thin plate formation method, thin plate and suspension correction apparatus, and correction method |
| 12/01/2009 | CA2543331C Frame and door for a locker |
| 11/26/2009 | WO2009142343A1 Manufacturing apparatus and method of spiral duct including elbow |
| 11/26/2009 | WO2009142342A1 Joint jig of spiral duct manufacturing apparatus |
| 11/26/2009 | CA2723866A1 Manufacturing apparatus and method of spiral duct including elbow |
| 11/25/2009 | CN201350485Y Metal packaging buckle processing machine |
| 11/25/2009 | CN100562381C Molding method of median bundle hot thread bracket of electron gun bending |
| 11/19/2009 | US20090282684 Decorative bead and other ornamental objects and their method and tools of manufacture |
| 11/18/2009 | CN201346586Y Cold bending machine |
| 11/18/2009 | CN201346585Y Device for shaping radian of load-bearing plate for civil air defence equipment |
| 11/18/2009 | CN201346584Y Block locking collar rolling device |
| 11/18/2009 | CN201346583Y Hot former rolling to bend workpieces |
| 11/18/2009 | CN201346582Y Hot former capable of bending workpieces along curve path |
| 11/18/2009 | CN201346581Y Knife bending mechanism for computer knife bending machine |
| 11/18/2009 | CN101579806A Technical method for processing automobile door guide slot |
| 11/18/2009 | CN101579710A Bending forming method of railway van coupler yoke forge piece |
| 11/12/2009 | WO2009135845A1 Bending device for a bending machine for oblong metal elements, and relative bending method |
| 11/12/2009 | WO2009068529A3 Bending machine and method for bending oblong metal elements |
| 11/11/2009 | CN201342448Y Fixture for bending machine cutter |
| 11/11/2009 | CN201342444Y Automatic feeding device for bending machine |
| 11/04/2009 | EP1270104B1 Bending machine |
| 11/03/2009 | US7610788 Machine and method for preventing torsion of wire, material of prismatic cross-section, and rod material |
| 11/03/2009 | US7610785 Work positioning device |
| 11/03/2009 | CA2532137C Sheet bending brake |
| 10/29/2009 | US20090266129 Container manufacturing process having front-end winder assembly |
| 10/28/2009 | CN101564745A Device for bending upper rotating shafts |
| 10/28/2009 | CN100553864C Method for producing container bottom cross beam |
| 10/27/2009 | US7607331 Method and apparatus for hemming panels together |
| 10/27/2009 | US7607330 Machine for drawing metal sheets |
| 10/22/2009 | WO2009078739A3 Metal folding apparatus |
| 10/21/2009 | CN201329388Y Bending device for upper rotating shaft |
| 10/21/2009 | CN101559455A Coiling mould |
| 10/21/2009 | CN101559453A Film type tube panel continuous spiral angle pipe equipment and method |
| 10/21/2009 | CN100551572C Folding type pipe bender |
| 10/15/2009 | US20090255315 Sheet metal bending brake with improved hinge |
| 10/15/2009 | US20090255313 Bending die |
| 10/15/2009 | US20090255307 Turbine blade twist angle correction tooling |
| 10/14/2009 | CN201324787Y Device for manufacturing spiral blades of spiral unloading settling centrifuge |
| 10/14/2009 | CN201324777Y Compression roller position adjusting mechanism for sheet metal bending shaper |
| 10/14/2009 | CN101554638A Bending die |
| 10/08/2009 | US20090249852 Rolling mill pouring reel and its method of operation |
| 10/03/2009 | CA2661278A1 Vibration isolation mounting clip |
| 10/01/2009 | WO2009118143A2 Bending method and machine for metal rods and/or bars |
| 10/01/2009 | US20090241627 Blade Material Bending Method and Blade Material Bending Device |
| 09/30/2009 | CN201316755Y Fire heating bending machine |
| 09/30/2009 | CN101543855A Duct hydraulic-bend forming machine |
| 09/24/2009 | WO2009117250A2 Hot forming process for metal alloy sheets |
| 09/24/2009 | WO2009116005A1 Method and machine for manufacturing spring-guide sections |
| 09/24/2009 | WO2009088904A3 Tool for forming construct |
| 09/24/2009 | US20090236353 Closure edge protection via polymer coated metal |
| 09/23/2009 | CN201313126Y Deflection compensating device for workbench |
| 09/22/2009 | US7591453 Stabilizer and a method of manufacturing the same |
| 09/17/2009 | WO2009114113A2 Holow structural members, a rail system and methods of manufacturing |
| 09/17/2009 | US20090229335 Method of making an automotive closure panel assembly |
| 09/16/2009 | CN201308932Y Sheet metal forming machine |
| 09/15/2009 | US7587922 Hemming machine and inspecting method thereof |
| 09/11/2009 | CA2716989A1 Tools having compacted powder metal work surfaces, and method |
| 09/10/2009 | US20090223031 Installation-ready pipe coupling method of manufacture |
| 09/09/2009 | CN201304435Y A bend forming equipment for spiral electric heating tube |
| 09/09/2009 | CN201304434Y Automatic bend molding device of semi-automatic internal combustion engine bending machine |
| 09/09/2009 | CN101524729A Variable curvature bending apparatus of sectional material and bending method thereof |
| 09/02/2009 | CN100534662C Tool for formed metal plate and section bar |
| 08/27/2009 | US20090211669 Method for producing quenched components consisting of sheet steel |
| 08/27/2009 | US20090211329 Method of manufacturing bottle can |
| 08/26/2009 | EP1404468B1 Creep forming a metallic component |
| 08/26/2009 | CN201295721Y A bended tool |
| 08/26/2009 | CN201295715Y Multilayer two-way pneumatic pipe bender of evaporator |
| 08/25/2009 | US7578158 Process for the shaping of the surface of a metal container |
| 08/19/2009 | CN201291264Y Power semiconductor pin forming die |
| 08/19/2009 | CN101507993A Flange vibration-pressing coiling forming method and forming device |
| 08/19/2009 | CA2654803A1 Improved slide lock |
| 08/18/2009 | US7574890 Gap-correcting device |
| 08/18/2009 | US7574885 Method for the manufacturing of a fluid conduit, particularly a fluid conduit in a CO2 refrigeration system |
| 08/12/2009 | EP1461169B9 Device for bending profiles |
| 08/11/2009 | US7571631 Method of manufacturing a woodworker's holdfast |
| 08/11/2009 | CA2533347C Bending device for bending machine |
| 08/06/2009 | US20090197217 Robot and method for bending orthodontic archwires and other medical devices |
| 08/06/2009 | DE19753110B4 Verfahren zur Herstellung einer Mehrfachblechstruktur A process for producing a multi-plate structure |
| 08/05/2009 | CN201283398Y Clamping mechanism of hydraulic pressure adjusted bending lower die open end |
| 08/05/2009 | CN101500724A A segmented drawing die with a binding collar |
| 08/05/2009 | CA2652523A1 Repeatable bender angle apparatus |
| 08/04/2009 | US7568371 Stretch-forming machine and method |
| 07/30/2009 | US20090188293 Device and Method for Bending a Metallic Strip |
| 07/22/2009 | CN201275566Y 预弯装置 Benders |
| 07/21/2009 | US7562550 Cable bulbing apparatus and method for forming bulbs in a cable bolt |
| 07/21/2009 | CA2394138C Sweep forming assembly and method |
| 07/16/2009 | WO2009088904A2 Tool for forming construct |
| 07/15/2009 | CN201271683Y Side adjustable mechanism of cold-forming mill |
| 07/15/2009 | CN101480674A Bending apparatus and method of bending a metal object |