B21D 28 - Shaping by press-cutting; Perforating

Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
04/2011
04/06/2011	CN201783560U Material band stamping die
04/06/2011	CN201783559U Die cutting device for manufacturing lithium cell
04/06/2011	CN201783558U Blanking processor of novel punching die
04/06/2011	CN201783557U Notching and beating die used for processing Rabbah tubes under seats of cars
04/06/2011	CN102000732A Under-pressure punching device
04/06/2011	CN101546561B Method, apparatus and jig for manufacturing head suspension, and head suspension
04/05/2011	CA2697288A1 Method and apparatus for making optical tiles
04/05/2011	CA2639964C Tool and method for joining sidelapped joints of deck panels
03/2011
03/31/2011	WO2011037543A1 Punch singulation system and method
03/31/2011	DE202009015557U1 Werkzeug zum Formen und Ausstanzen von Artikeln aus einer thermoplastischen Kunststofffolie Tool for shaping and cutting of articles from a thermoplastic plastic film
03/30/2011	EP2301686A1 Ball-lock retainer and method for holding a tool in the retainer
03/30/2011	CN201776348U Punching and marking die
03/30/2011	CN201776343U Multidirectional punching mould for vehicle oil filler box
03/30/2011	CN201776342U Polyamine piercing die
03/30/2011	CN201776341U Movable die holder-type U-shaped beam flange plate punching machine
03/30/2011	CN201776340U Automatic notching machine
03/30/2011	CN201776339U Die molding machine
03/30/2011	CN201776338U Holding mechanism for trimming dies
03/30/2011	CN201776337U Front and back pilot mechanisms for longitudinal cutting die
03/30/2011	CN201776336U Chamfering die
03/30/2011	CN201776335U Elastic clamping device
03/30/2011	CN201776334U Automatic material cutting device of punch press
03/30/2011	CN101998782A Portable electronic device shell and manufacturing method thereof
03/30/2011	CN101997277A Portable bus hydraulic punching machine and punching method
03/30/2011	CN101992394A Improved special anti-punching machine
03/30/2011	CN101992242A Punch head of metal strip coil micro-burr puncher
03/30/2011	CN101992241A High-speed multi-hole cold-punching mesh mould for metal coiled stock
03/30/2011	CN101598344B Manufacturing method of air outlet valve base of lighter
03/24/2011	DE10031095B4 Verfahren zum Herstellen einer mehrlagigen Dichtung und Dichtung A method of manufacturing a multi-layer seal and seal
03/23/2011	EP2296835A1 A method for obtaining an opening in a hollow-body member, and a hollow-body member provided with one or more openings obtained with said method
03/23/2011	CN201774400U Direct-coupled type servo indexing system for notching press
03/23/2011	CN201768807U Punching die for wiring terminal stamping parts of low-voltage electrical apparatus
03/23/2011	CN201768806U Piercing die for low-voltage electrical apparatus connection terminal stamping parts
03/23/2011	CN201768805U Punching device for sheath of drill rod connector
03/23/2011	CN201768804U Punching device for magnetic conductive sheet of speaker
03/23/2011	CN201768803U Longitudinal cutting die pressing mechanism
03/23/2011	CN201768802U Novel stripping structure of stamping die
03/23/2011	CN201768801U Trimming die for flange plate forged piece
03/23/2011	CN201768800U Trimming die
03/23/2011	CN201768799U Device for synchronous scrap blanking and deburring by progressive die
03/23/2011	CN201768798U Punching die for bi-metal bracket stamping part
03/23/2011	CN201768797U Hand-operated die cutting machine of aluminum section material
03/23/2011	CN101987338A Punch tool comprising a stamp supported in a floating manner
03/17/2011	WO2010142775A9 Device and method for producing a shaving foil for a razor, such a shaving foil, and such a razor
03/17/2011	WO2010108486A3 Stamping method and workpiece produced therewith
03/16/2011	EP2295163A2 A method of forming a boss
03/16/2011	CN201760930U Compound die for simultaneously half cutting and through cutting multilayer material
03/16/2011	CN201760491U Piercing punch quick changer
03/16/2011	CN201760490U Automatic puncher
03/16/2011	CN201760489U Lower die lifting device for punching machine
03/16/2011	CN201760488U Reinforcing structure of diaphragm spring notching die
03/16/2011	CN201760487U Automobile steering wheel trimming mold
03/16/2011	CN201760486U Mold positioning device
03/16/2011	CN101549379B Automatic production line of steel tube cold cutting
03/15/2011	US7905431 Forging punch, method of manufacturing liquid ejection head using the same, and liquid ejection head manufactured by the method
03/10/2011	WO2011026163A1 Method and system for handling expanded material made from a metal foil
03/10/2011	US20110059330 Method for precision bending of sheet of materials, slit sheets fabrication process
03/09/2011	CN201755622U Multi-shape hole equal pitch punching automatic feeding device
03/09/2011	CN201755614U Side stamp die
03/09/2011	CN101983792A Continuous punching device for single engineering
03/08/2011	US7900543 Punch press, method of replacing punch and die for punch press, and punch system
03/03/2011	US20110048095 Process and apparatus for positioning laminations
03/03/2011	DE102009039553A1 Punching machine for punching e.g. paper sheets, has frameworks and precision bearing that are provided in magnet cylinder, and counter-punch cylinder provided with tread sheet metal and clamping device
03/03/2011	DE102009038299A1 Boden für einen Wärmetauscher, Herstellungsverfahren und Vorrichtung zur Herstellung Floor for a heat exchanger manufacturing method and apparatus for producing
03/02/2011	CN201752734U Wind power/high-voltage motor tooth support punching device
03/02/2011	CN201752733U Positioning mechanism of cutting press for LED supports
03/02/2011	CN201752732U Aluminum alloy profile press machine
03/02/2011	CN201752731U Punching machine for blanking seamless steel tube for bearings
03/02/2011	CN201752724U Multihole stamping working procedure detecting part
02/2011
02/24/2011	WO2011020725A1 Floor for a heat exchanger, production method, and device for the production
02/23/2011	EP1819458B1 Method for the production of a heat exchanger
02/23/2011	CN201751036U Porous punching die structure of stator disc
02/23/2011	CN201751035U Iron hook core die
02/17/2011	DE102009034437A1 Contour formation device i.e. individual card punching machine, for formation of contour in body of chip card, has sheet metals and magnet bed that are pressed against each other, where body is grooved between metals and magnet bed
02/16/2011	EP2283944A2 Rotary Stamper
02/16/2011	EP2283943A1 Device for stamping metal sections
02/16/2011	CN201744563U Full-automatic numerical control strip-like profile processing machine
02/16/2011	CN201744562U Punch head guiding device for punching machine
02/16/2011	CN201744561U Pressure feeding and discharging device on tapered wedge punching die
02/16/2011	CN201744560U Baking varnish keel automatic punching machine
02/16/2011	CN201744559U Punching equipment for pipe punching
02/16/2011	CN201744558U Device for improving punching quality of PCB plated through semicircular holes
02/16/2011	CN201744557U Commutator segment die
02/16/2011	CN201744556U Universal unilateral arc-shaped cutting edge uncoiling and blanking die of cover-like parts of automobile engine
02/16/2011	CN201744555U Blanking die combined mechanism
02/16/2011	CN201744554U Side punching apparatus
02/16/2011	CN201744553U Supporting plate mechanism on notching machine
02/16/2011	CN201744552U Tabletting mechanism used on notching machine
02/16/2011	CN201744551U Tubular part inner circle burnishing former
02/16/2011	CN201744550U Tubular part inner circle burnishing former
02/16/2011	CN201744549U Stretch-bending on-line cutting-off mechanism
02/16/2011	CN101972811A H beam numerical control punching production line
02/16/2011	CN101972810A Punching machine for punching pipes
02/16/2011	CN101972809A Stamping technology of waist holes on metal square tubes
02/10/2011	WO2011016065A1 A method for obtaining an opening in a hollow-body member, and a hollow-body member provided with one or more openings obtained with said method
02/10/2011	CA2696810A1 Method for producing stamper for microneedle
02/09/2011	CN201736281U Punch jig
02/09/2011	CN201735669U Channel steel blanking cutting die
02/09/2011	CN201735668U Punching die for contact stamping parts of circuit protector
02/09/2011	CN201735667U Punching device for workpiece notch

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