Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
09/2009
09/30/2009CN101546561A Method, apparatus and jig for manufacturing head suspension, and head suspension
09/30/2009CN101543866A Precise stamping machine
09/30/2009CN101543860A Automatic punching and flanging machine
09/30/2009CN101543859A Single groove-punching groove shaped die and method for manufacturing same
09/24/2009WO2009116958A1 Method and apparatus for producing a grille with modular elements
09/24/2009DE102008015003A1 Hole punching device for use in workshop, has punching die arranged above horizontally arranged sheet, and positioning and holding devices provided for positioning and holding blanking die in position when sheet is supported by blanking die
09/23/2009EP1863605B1 Shock absorber for movable tools
09/23/2009CN201313133Y A hydraulic porous punch
09/23/2009CN201313132Y Mold for punching and cutting electrode lugs of lithium ion battery
09/23/2009CN201313131Y Automatic on-line cutting device of guide rail
09/23/2009CN101537462A Tension device and heat exchange fin manufacturing machine
09/23/2009CN101537459A Corrugated sheet pressing die and corrugated sheet production system
09/23/2009CN100542707C Method for the production of a heat exchanger
09/23/2009CN100542706C Press device
09/17/2009WO2009114113A2 Holow structural members, a rail system and methods of manufacturing
09/17/2009US20090229435 Sheet finishing apparatus, sheet punching apparatus and control method
09/17/2009US20090229336 Punch die and punch machine using the same
09/16/2009CN201308940Y Novel punching device
09/16/2009CN201308939Y Automatic punch production line of angle steel
09/16/2009CN201308938Y Concave-convex wheel inner hole shaping machine
09/16/2009CN201308937Y Hydraulic punching machine special for punching burglarproof doors
09/16/2009CN201308936Y Decoiling blanking die
09/16/2009CN201308935Y Integral blanking device of steel board of automobile wheel spoke
09/16/2009CN101534974A Method for obtaining workpiece cutouts from a plate-like workpiece
09/16/2009CN101530879A Punch Head for hole punching
09/16/2009CN101530878A Apparatus for forming wedge pin insertion hole of spacers for concrete mold
09/16/2009CN100541106C Core structure of heat exchanger
09/16/2009CN100540172C Die device
09/15/2009US7587830 Knockout punch with pilot hole locator
09/15/2009CA2454314C Adjustable length punch assembly
09/11/2009WO2009110452A1 Lubricant composition for fine blanking
09/11/2009WO2009109882A1 Punching apparatus
09/09/2009EP2098311A1 Trimming press working apparatus
09/09/2009CN201304442Y Punching mechanism for metal micropores
09/09/2009CN201304441Y Cavity die of blanking die of round bar punching machine
09/09/2009CN101528378A Punching method and punching device employing hydro-form and hydro-formed part and structure body
09/09/2009CN101528377A Tool and machine tool for working plate-like workpieces, in particular metal sheets
09/09/2009CN101524732A Die with functions of nibbling and blanking and device comprising same
09/08/2009CA2495231C High precision optoelectronic components
09/02/2009EP2094453A2 Rotary punch
09/02/2009CN201300171Y Punching device
09/02/2009CN201300170Y Semiconductor lead wire framework die
09/02/2009CN201300169Y A numerical control punch press mould body
09/02/2009CN201300168Y Diamond cutter head cold press former regulation and control device
09/02/2009CN101520286A Inside supporter of uniform temperature plate and production method thereof, and uniform temperature plate
09/02/2009CN101518801A Stamping profile modeling combined tool
09/02/2009CN101518800A Die for 45-degree inclined cutting of C beam
09/02/2009CN100534658C Pinnacle die structure having scrap collecting opening
08/2009
08/27/2009WO2009104210A1 Process and related die for blanking laminations
08/27/2009WO2009104084A1 Process and apparatus for positioning laminations
08/27/2009WO2009103326A1 Fastening arrangement of a blind riveting nut on a component and method for the production thereof
08/27/2009US20090211327 Die, tool set, and press-forming method
08/27/2009US20090211326 Reorientable rotatable processing tool
08/27/2009DE102008010127A1 Verfahren und Vorrichtung zur Entfernung von Stanzabfällen Method and apparatus for the removal of punchings
08/27/2009DE102008009856A1 Half ring for thrust washer, particularly as part of thrust washer of axial bearing or radial axial bearing formed from two half rings, has outer contour with middle, convex surface section
08/27/2009CA2715708A1 Process and apparatus for positioning laminations
08/26/2009EP2093030A1 Method and device for removing stamping slugs
08/26/2009EP2092994A1 Machine tool for cutting and/or forming plate-form workpieces
08/26/2009CN201298565Y Elliptical through-wall welding mould of storage battery
08/26/2009CN201295950Y A lamella puncher
08/26/2009CN201295724Y Combined positioning device for blanking processing
08/26/2009CN201295719Y Drilling rod joint perforating apparatus
08/26/2009CN100532081C Servo-drive system of punch
08/25/2009US7578224 Punching device and punching die for it
08/20/2009WO2009101224A1 Automatic machine for punching and cutting wheel rims
08/20/2009DE102009007377A1 Vorrichtung und Verfahren zum Aufweiten und Auffangen von Butzen zur Anwendung beim Innenhochdruck-Umformen Apparatus and method for expanding and collecting slug for use in internal high-pressure forming
08/20/2009DE102008009579A1 Metal sheet processing-kit-cutting tool system for operating in e.g. training workshop, has plate locked such that die is electrically-driven, where ejection stroke at punch head is fitted to sheet thicknesses with stroke limitation sleeve
08/19/2009CN201291273Y Continuous bar-punching tool
08/19/2009CN201291267Y Punch reverse wedge flanging composite die
08/19/2009CN201291262Y Punching die of capsulize type product notch
08/19/2009CN201291261Y Multi-group pre-cutting stamping machine tool
08/19/2009CN101507997A Automatic clicker of cell diaphragm
08/19/2009CN100528031C Impression and manufacturing device and method for coin middle with hole and its analogs
08/18/2009US7575305 Liquid ejection head having improved ejection performance
08/18/2009US7574887 Forming machine comprising a shearing device for a shearing bar
08/13/2009DE10308709B4 Stanzverfahren Stamping
08/13/2009DE102008008104A1 Haftverschlussteil Fastener part
08/12/2009EP2086699A1 Method for obtaining workpiece cutouts from a plate-like workpiece
08/12/2009CN201287253Y Automatic perforating machine for T shaped hole of brass pipe
08/12/2009CN201287172Y Floating type sheet-material gripping tongs on numerical control punch
08/12/2009CN201287163Y Leveling punching structure
08/12/2009CN201287162Y Punching male die with punching and extruding function
08/12/2009CN101502861A Slug expanding and capturing apparatus and method for hydroforming application
08/12/2009CN101502851A Device for detecting rapid replacement and positioning of punch head
08/12/2009CN100525947C Integral drawn technique for faceplate of buffet dinner stove
08/06/2009WO2009096257A1 Press device
08/06/2009DE102008007284A1 Verfahren zum bedarfsweisen Erzeugen eines Durchbruchs in einem Karosserieabschnitt eines Fahrzeugs Procedures for required producing a breakthrough in a body portion of a vehicle
08/06/2009DE102008006864A1 Method for simultaneous multiple punching of curved surface of automatic flywheel of motor vehicle, involves punching work pieces by dies that are displaced with respect to circumference of one of work pieces
08/05/2009EP1994589A4 Method and apparatus for continuous manufacture of battery grids
08/05/2009CN201283391Y Full automatic punch machine
08/05/2009CN201283390Y Blanking and stretching mold
08/05/2009CN201283389Y Chambering component of punch machine
08/05/2009CN201283388Y Press head
08/05/2009CN201283387Y Novel automatic punching apparatus
08/05/2009CN101500725A Wedge drive with positive-action return device
08/05/2009CN101500724A A segmented drawing die with a binding collar
08/05/2009CN101497098A Punching mould core set
08/05/2009CN101497097A High-speed precision punching machine
07/2009
07/30/2009US20090188364 Punch Press
07/30/2009DE102008008657B3 Production of a locally reinforced molded plate used in vehicle construction comprises pressing an insert from a counter holder into a recess formed in the plate after opening the stamping die and further processing
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