| Patents for B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523) |
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| 09/22/2009 | CA2589388C Tubing expansion by cyclic diameter change of an expander |
| 09/17/2009 | US20090234385 Thermal Forming of Refractory Alloy Surgical Needles |
| 09/17/2009 | US20090229335 Method of making an automotive closure panel assembly |
| 09/16/2009 | EP1993754B1 Device and method for widening metal elements |
| 09/10/2009 | US20090226272 Deformation machining systems and methods |
| 09/10/2009 | US20090224005 Cover member, method of producing one such member and a fluid product dispenser using one such member |
| 09/10/2009 | US20090223270 Press, method for manufacturing the metal plate, method for manufacturing the liquid spray head, method for manufacturing the liquid spray apparatus |
| 09/03/2009 | WO2009107361A1 Method of forming patterns on metal objects, and a metal object |
| 09/03/2009 | WO2009105914A1 Processing apparatus for anti-explosive material and the control device thereof |
| 09/02/2009 | CN201300172Y Tape splicing device of metal strips |
| 09/01/2009 | US7582847 System for making braces for dies |
| 08/27/2009 | US20090214890 Brazed aluminum laminate mold tooling |
| 08/27/2009 | US20090213481 Side mirror assembly with integrated spotting mirror |
| 08/27/2009 | US20090212245 Conical spring bushing |
| 08/27/2009 | US20090211328 Plate Workpiece Processing with Interchangeable Tools |
| 08/20/2009 | WO2009103071A2 System for low-force roll folding and methods thereof |
| 08/20/2009 | US20090206562 Skate blades and methods and apparatus for affixing same |
| 08/20/2009 | US20090205393 Method For Providing an Armature Housing |
| 08/20/2009 | US20090205387 System for low-force roll folding and methods thereof |
| 08/20/2009 | CA2715659A1 System for low-force roll folding and methods thereof |
| 08/19/2009 | CN100529445C Method for making a cylindrical bearing member, and groove forming mold core pin |
| 08/18/2009 | US7574884 Apparatus and method for sheet material forming |
| 08/06/2009 | US20090194089 High-strength three-dimensional structure and method of manufacture |
| 08/04/2009 | US7568272 Press-forming method, press-forming machine and press-formed product |
| 07/30/2009 | US20090191424 Manufacturing method for a composite metal wire used as a packaging wire and products thereof |
| 07/21/2009 | US7562609 Method of forming through-hole and through-hole forming machine |
| 07/16/2009 | US20090178458 Two die process |
| 07/16/2009 | US20090178456 Apparatus and method for processing container ends for controlling dust |
| 07/16/2009 | DE102008002775B3 Verfahren zur Zurverfügungstellung von zueinander beabstandeten Abschnitten eines Bandmaterials Process for the provision of spaced apart portions of a strip material |
| 07/15/2009 | CN101480677A Plate heat exchanger heating element opening method and device |
| 07/14/2009 | CA2475631C Sealing expandable tubing |
| 07/09/2009 | US20090173129 Method and device for the production of a stamping with enlarged functional surface |
| 07/09/2009 | US20090172932 Method of manufacturing a lead or a lead alloy plate lattice for a lead-acid battery |
| 07/09/2009 | DE102005026153B4 Verfahren zur Herstellung eines zylindrischen Lagerelements A method for producing a cylindrical bearing element |
| 07/07/2009 | CA2445033C Downhole apparatus and method for expanding a tubing |
| 07/02/2009 | US20090165527 Bending head |
| 07/02/2009 | US20090165525 Method and device for the production of a stamping with almost smooth cutting and enlarged functional surface |
| 06/25/2009 | US20090158808 Method for Manufacturing Ring-Shaped Member |
| 06/24/2009 | CN101462138A Dimple-forming tool for projection welding |
| 06/16/2009 | US7546757 Method of working small recess portion |
| 06/11/2009 | US20090146040 Base/lifting structure |
| 06/11/2009 | US20090145056 Polygon mast |
| 06/11/2009 | US20090144916 A gangway and method for manufacturing same |
| 06/10/2009 | EP2066464A2 Method and apparatus for improving the distribution of compressive stress |
| 06/03/2009 | EP2064508A1 Heat exchanger and method for producing a heat exchange element for such a heat exchanger |
| 05/28/2009 | US20090133463 Method of manufacturing a contact cooling device |
| 05/28/2009 | US20090133462 Forging die and process |
| 05/21/2009 | US20090126450 Metallic cover and method for making the same |
| 05/21/2009 | US20090126443 Method and apparatus for manufacturing a rim bed by means of cold forming |
| 05/21/2009 | US20090126439 Cooling device and cooling method for hot strip |
| 05/20/2009 | DE102008050295A1 Sheet metal component forming method for motor vehicle i.e. passenger car, involves deforming sheet metal regions in forming tool until ends of sheet metal regions are supported at corresponding retainer of forming tool |
| 05/19/2009 | US7533554 Support device for cutting templates |
| 05/14/2009 | US20090120156 Work bending angle detecting device and work bending machine |
| 05/14/2009 | US20090120155 Shaping Tool and Methods of Using the Same |
| 05/14/2009 | DE102007053473A1 Metal element e.g. expanded metal, for producing e.g. pavement profile, has bar including material areas of metal element that are pulled apart within area between boundary planes and in direction parallel to boundary planes |
| 05/07/2009 | DE102008020242A1 Forging process for metal sheet involves rotating stamp and/or die to produce friction heat for improved forging |
| 05/06/2009 | CN101422796A Device for producing ductile material using metal sheet |
| 05/06/2009 | CN100485148C Porous metal net with concavo-convex pattern and manufacturing method thereof |
| 05/06/2009 | CN100484720C hand tool and method for mounting crimping insertion piece |
| 05/05/2009 | US7526939 High performance jaw system for blind fastener installation |
| 04/30/2009 | US20090108721 Back Plate of Backlight Module and Manufacturing Method Thereof |
| 04/30/2009 | US20090107587 Tool steels and manufacturing method thereof |
| 04/30/2009 | US20090107204 Method and tool device for forming |
| 04/30/2009 | US20090107201 Method of forming cam lobe |
| 04/30/2009 | DE102007050907A1 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 04/29/2009 | CN101417302A Method for eliminating clearance between light press-welding back-axle strengthening ring and axle housing main body |
| 04/29/2009 | CN100482970C Cylindrical bearing member and method and apparatus for manufacturing same |
| 04/23/2009 | US20090101238 Brazing Material Containing A Flux |
| 04/23/2009 | US20090100896 Bending apparatus and method for managing tools, method for arranging tools and method for selecting tool stocker |
| 04/23/2009 | US20090100895 Hinged Three-Dimensional Structure Formed With Two-Dimensional Sheet of Material |
| 04/23/2009 | US20090100894 Sheet of Material with Fluid-Resistant Bend Controlling Displacements and Method of Forming the Same |
| 04/23/2009 | US20090100893 Method of forming two-dimensional sheet material into three-dimensional structure |
| 04/22/2009 | CN101412065A Technique for processing magnesium alloy case |
| 04/22/2009 | CN100479944C Manufacturing method for marking on the pull ring of jar |
| 04/16/2009 | DE102007049116A1 Corrugated expanded metal manufacturing method for heat exchanger, involves transporting endless metal band through rolling route, where band is transformed by roller pairs, and inserting set of slots arranged at distances into metal band |
| 04/15/2009 | CN100478097C Method of designing fold lines in sheet material |
| 04/14/2009 | US7516637 Method and apparatus for texturing a metal sheet or strip |
| 04/09/2009 | WO2009045531A1 Roller hemming system |
| 04/09/2009 | DE102007048206A1 One-sided or two-sided structured metallic strap and/or layered plate producing method for producing block of layers of e.g. heat-exchanger in fuel cell drive, involves fixing metallic strips on metallic carrier strap in specific position |
| 04/09/2009 | DE102007046870A1 Verfahren und Vorrichtung zur Umformung eines Stangenmaterials Method and apparatus for forming a rod material |
| 04/02/2009 | US20090084155 Method to Form Pin Having Void Reducing Pin Head and Flattening Head to Perform the Method |
| 03/26/2009 | WO2009039529A1 Hinged three-dimensional structure formed with two-dimensional sheet material |
| 03/26/2009 | US20090078021 Metal sheet pressing method |
| 03/25/2009 | CN101394949A Device and method for widening metal elements |
| 03/24/2009 | CA2513355C Compacted implantable medical devices and method of compacting such devices |
| 03/19/2009 | US20090071220 Equipment for producing a closed-section cross-member, comprising an adaptable-length punch and/or matrix, and corresponding production method |
| 03/19/2009 | US20090071219 Apparatus and method for forging premium coupling blanks |
| 03/19/2009 | US20090071216 Manual tool for de-burring tube ends |
| 03/18/2009 | CN101386121A Spiral feeding blade manufacture method and device |
| 03/12/2009 | DE112007000017T5 Verfahren zum Bilden einer Gasdiffusionsschicht für eine Brennstoffzelle A method of forming a gas diffusion layer for a fuel cell |
| 03/05/2009 | US20090056406 Articulated bending brake for sheet metal forming |
| 03/04/2009 | CN201201011Y Molding device of roll forming production line |
| 03/04/2009 | CN201201010Y Molding device of enhanced type roll forming production line |
| 02/26/2009 | US20090049885 Dent removal tool using rare earth magnets on probe tip to help locate tool tip |
| 02/26/2009 | US20090049879 Rotary Fill Member for a Die Assembly |
| 02/25/2009 | CN201198015Y Hamming out mould for special-shaped curved surface quick forming machine |
| 02/19/2009 | US20090048037 Wood-type golf club heads and methods of adjusting the same |
| 02/19/2009 | US20090044591 Forging method, forged product and forging apparatus |
| 02/18/2009 | CN201195319Y Selvedge trimming device for sand prevention pipe production for oil production of oil field |
| 02/12/2009 | US20090042428 Electrical system for office furniture |