Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 28 - Shaping by press-cutting; Perforating
Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
08/2012
08/22/2012CN101745588B Automatic feeding device for die punching
08/16/2012WO2012072699A3 Method and apparatus for producing a stack of metal sheets
08/16/2012US20120205083 Floor for a heat exchanger, production method, and device for the production
08/16/2012DE10340794B4 Folgewerkzeug zum Herstellen eines komplex geformten und mit Öffnungen in verschiedenen Ebenen versehenen Bauteils Follow-on tool for producing a complex shaped and provided with openings in different planes component
08/15/2012EP2487075A1 Method of manufacturing perforated pipe for gas generator, as well as gas generator
08/15/2012EP2487015A1 Device for punching moving sheets of material
08/15/2012EP2487014A1 Method and device for punching or perforating moving sheets of material
08/15/2012EP1097411B1 Integrated support system for supporting sheet metal machining
08/15/2012CN202377417U H-shaped steel supporting device
08/15/2012CN202377388U Automobile spare wheel bin part manufacture system
08/15/2012CN202377364U Automatic punching and blanking machine for large-area zinc electrolytic cathode plates
08/15/2012CN202377360U Three-way upper template
08/15/2012CN202377359U Punching die for long tube of automobile change control board (CCB) support
08/15/2012CN202377358U Die with self-driving wedges
08/15/2012CN202377357U Aluminum section bar punching mould
08/15/2012CN202377356U Automatic device for multiple punching
08/15/2012CN202377355U Automatic punching system
08/15/2012CN202377354U Die component applied to plate hub machining process for driven disc assembly
08/15/2012CN202377353U Novel rotary cutting punch
08/15/2012CN202377352U Punching and cutting blade for high-speed steel pipe punching mechanism
08/15/2012CN202377351U Punching die capable of producing trumpet-shaped waste
08/15/2012CN202377350U Punching-type high-speed flying saw machine for thin-wall aluminum tube
08/15/2012CN202377349U Automatic detection and automatic cutting machine for negative electrode of nickel hydrogen battery after powder scraping
08/15/2012CN102632517A Batch punching punch for perforator
08/15/2012CN102632135A Punching die for bottom cover of lamp pole flange
08/15/2012CN102632134A Outer guide rail piercing die
08/15/2012CN102632133A Punching mould of welding plate of cutting machine
08/15/2012CN102632132A Automatic piercing die
08/15/2012CN102632131A Small hole punching and printing process and mould
08/15/2012CN102632130A Punching device for hydraulic forging press
08/15/2012CN102632129A Contactless cutting mould for numerical control turret punch press
08/15/2012CN102632128A Workbench for pulsed arc machine
08/15/2012CN102632127A Opposite-cutting type blanking machine for driving linear motion of double screw rods by AC (Alternating Current) servo motor
08/15/2012CN102632126A Substrate cutting apparatus and method of cutting substrate using the same
08/08/2012EP2483009A1 Embossing apparatus with a moveable, cammed - actuated forming die
08/08/2012CN202367068U Flanging and punching device for mounting bracket on rear bumper of automobile
08/08/2012CN202367042U Porous metal plate compound press tool
08/08/2012CN202367041U Four-hole stamping die of engine heat shield
08/08/2012CN202367040U Punching die for irregularly-shaped non-flat panel
08/08/2012CN202367039U Die for blanking and punching right baffle plate of gear box of grass mower
08/08/2012CN202367038U Left blocking board punching mold of grass mower tooth box
08/08/2012CN202367037U Bead keel punching device
08/08/2012CN202367036U Bumper punching and radar supporting integrated tooling equipment
08/08/2012CN202367035U Integrated punching machine
08/08/2012CN202367034U Screw feeding device for indexing mechanism of notching press
08/08/2012CN202367033U Blanking waste rebounding preventing device for production of stainless steel sheet
08/08/2012CN202367032U Auxiliary punch die structure of cylinder
08/08/2012CN202367031U Blanking die of engine heat shield
08/08/2012CN202367030U Combined plunger chip of numerical control punch press die
08/08/2012CN202367029U Positioning device of armature stamping piece
08/08/2012CN202367028U Continuous notching press
08/08/2012CN202366992U Tightening device for coiling steel belts
08/08/2012CN102626866A Steel round rod plasma cutter for manufacturing steel pipes
08/08/2012CN102626864A Steel round bar heading-off mechanism for plasma cutting machine
08/08/2012CN102626736A Punching die for coaxial dual holes of rolling shaft of textile machine
08/07/2012US8234900 Corrugated metal sheet member fabrication system
08/02/2012US20120192470 Channel sign assembly and retaining trim cap
08/02/2012DE102011010825A1 Verfahren zur Herstellung von aus Lamellenstapeln gebildeten Endprodukten, Vorrichtung zur Durchführung eines solchen Verfahrens sowie mit einem solchen Verfahren hergestellter Lamellenstapel Process for the preparation of end-products formed from lamellae stacks, apparatus for implementing such a method as well as produced by such a method laminate stack
08/01/2012EP2481495A1 Method for producing end products made from stacked laminations, device for performing such a method and laminations stack produced using such a method
08/01/2012EP2481494A1 Method for punching at least one opening in a wall of a chassis framing section comprising a cladding panel
08/01/2012CN202363535U Pole piece forming mould
08/01/2012CN202363534U Pole piece punching and molding machine
08/01/2012CN202360485U Tonnage full-automatic tracking cushioning hydraulic system
08/01/2012CN202360484U Hydraulic system for high-speed punch press
08/01/2012CN202357214U Punching pliers
08/01/2012CN202356537U Punching machine for deflection feeding
08/01/2012CN202356500U Butterfly hole punching die
08/01/2012CN202356499U Dot-matrix type numerically-controlled mesh stamping die structure
08/01/2012CN202356498U Notching die for belt pulley
08/01/2012CN202356497U Efficient pipe punching machine
08/01/2012CN202356496U Rotary punching system
08/01/2012CN202356495U Pressure processor for workpiece side
08/01/2012CN202356494U Integral electric hydraulic tool
08/01/2012CN202356493U Machining device for aerofoil hole of bushing beam of double-layer beam of automobile frame
08/01/2012CN202356492U Movable-type die with side tool
08/01/2012CN202356491U Water inlet sealing interface die
08/01/2012CN202356490U Punch die
08/01/2012CN202356489U Die locating device of clipping press
08/01/2012CN202356488U Pressing and folding material breakage device
08/01/2012CN202356487U Machining device for stamping windows of retainer
08/01/2012CN102615174A Double-row pitch quick and adjustable stamping die device
08/01/2012CN102615173A Punching die for drainage holes of stainless steel tubes
08/01/2012CN102615172A Punching piercing mechanism
08/01/2012CN102615171A Purlin molding machine and punching device thereof
08/01/2012CN102615170A Punching technology
08/01/2012CN102615169A Chamfering mould
08/01/2012CN102615168A Blanking die for disk-shaped workpiece
08/01/2012CN102615167A Dowel screw dual-chamfer mould
08/01/2012CN102125955B Improved punching device for tapered roller bearing retainer
08/01/2012CN101934318B Roll forming processing production line for online punching
07/2012
07/31/2012US8230712 Punching device
07/26/2012WO2012099347A2 Apparatus for press blanking and packaging member plate
07/26/2012US20120186321 Method and apparatus for forming a can shell
07/26/2012CA2853396A1 Collated t-nut apparatus and method of manufacturing collated t-nuts and apparatus and method for severing and inserting collated t-nuts
07/26/2012CA2848439A1 Collated t-nut apparatus and method of manufacturing collated t-nuts and apparatus and method for severing and inserting collated t-nuts
07/25/2012CN202344600U Swaging core mechanism of punching die
07/25/2012CN202343730U Punch-die of blanking-punching compound die
07/25/2012CN202343703U Punching die
07/25/2012CN202343702U Branch pipe positioning die fast and accurate in forming
07/25/2012CN202343701U Side hole punching mold
1 ... 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 ... 128