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