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)
01/2013
01/02/2013CN102847780A Panel perforating device
01/02/2013CN102847779A Blanking die of base angle holder
01/02/2013CN102847778A Mounting structure of longitudinal cutter in sub longitudinal cutting die for fins of air conditioners
01/02/2013CN102847777A Rip cutting blade structure of air-conditioner fin
01/02/2013CN102847776A Blanking blade for header pipe
01/02/2013CN102847775A Shearing plate die
01/02/2013CN102847774A Double-workpiece deburring mechanism
01/02/2013CN101927293B Dual-cylinder numerical control bus-bar punching machine
12/2012
12/27/2012WO2009150273A3 Punching machine with compact frame
12/27/2012DE102011104840A1 Method for performing ultrasonic punching of workpiece e.g. plastic bumper, involves inserting workpiece into opening formed in workpiece supporting unit, by using punching tool with usage of ultrasound
12/26/2012CN202633423U Flexible package battery tab structure and die-cutting clamp thereof
12/26/2012CN202621749U Auxiliary supporting device for blanking of stamping parts
12/26/2012CN202621703U Flat iron punching die
12/26/2012CN202621702U Inclined-wedge type drive and reset mechanism with double working surfaces
12/26/2012CN202621701U Trimming and punching insert
12/26/2012CN202621700U Punching die of automobile door guide rail
12/26/2012CN202621699U 钢管冲孔装置 Pipe punching device
12/26/2012CN202621698U Power line clamp punching machine
12/26/2012CN202621697U Quick positioning punching device
12/26/2012CN202621696U Punching device of automobile sheet metal parts
12/26/2012CN202621695U Four-corner corrosion-resistant trimming die
12/26/2012CN202621694U Circular abrasion-resistant and corrosion-proof trimming die
12/26/2012CN202621693U Trimming die mechanism capable of preventing casting from being collided and injured
12/26/2012CN202621692U Saw-toothed wearable and dismountable trimming die
12/26/2012CN202621691U Shearing die for flat iron
12/26/2012CN202621690U Saw-toothed abrasion-resisting trimming mould
12/26/2012CN202621689U Saw-toothed detachable anticorrosion trimming die
12/26/2012CN202621688U Intermittent cutting die
12/26/2012CN202621687U Hexagonal anti-corrosion trimming die
12/26/2012CN202621686U Hexagonal trimming die
12/26/2012CN202621685U Circular wear-resisting trimming mold
12/26/2012CN202621684U Cold-extruded cross shaft ingot blanking mould
12/26/2012CN202621683U Tube port blanking die
12/26/2012CN202621682U Bar cut-off die
12/26/2012CN202621681U Shearing mould for vertical and horizontal high-ratio U-shaped sections
12/26/2012CN202621680U Positioning structure of workpiece on die
12/26/2012CN202621679U Blanking stamping system
12/26/2012CN202621678U Ring cutting machine
12/26/2012CN202621631U Numerical control bus punching and shearing machine with marking function
12/26/2012CN102836915A Hexagonal punch rod
12/26/2012CN102836914A Quincuncial punch rod
12/26/2012CN102836913A Hexangular plunger tip
12/26/2012CN102836912A Punching method for metal sheet material
12/26/2012CN102836911A Manufacture technology of tapered rotor motor stamped steel
12/26/2012CN102836910A Rotary-cut die motion conversion mechanism with floating upper die
12/26/2012CN102284847B Precise-guide die arrangement process for auto interior ornament moulding mould
12/26/2012CN102139313B Flattening and forming punch mould for machining car seat and mop
12/26/2012CN101890452B Cut flattening mold for processing pull-down tube of car seat
12/26/2012CN101528378B Punching method and punching device employing hydro-form and hydro-formed part and structure body
12/26/2012CN101199975B Apparatus and method for trimming
12/25/2012US8336355 Roll-forming system and method thereof
12/20/2012US20120318034 Reducing waste in metal stamping processes and systems therefor
12/19/2012EP2535177A1 Quick-connect coupling
12/19/2012EP2535128A1 Quick-connect coupling
12/19/2012EP2533999A1 Method for producing high-strength components by means of adiabatic blanking
12/19/2012CN202608077U Tetrastyle oil pressure bead cutter
12/19/2012CN202606651U Automatic punching device for PCB
12/19/2012CN202606645U Irregularly-shaped hole rotating mechanism and punching machine adopting rotating mechanism
12/19/2012CN202606644U Piercing die for thermally calibrating speed change gears
12/19/2012CN202606643U Female die for variable-speed gear thermal calibration punching die
12/19/2012CN202606642U Inclined slide block mechanism
12/19/2012CN202606641U Device with double rows of hole pitch quickly-adjustable stamping dies
12/19/2012CN202606640U Mould frame with process hole
12/19/2012CN202606639U Punching die of cutting machine welding plate
12/19/2012CN202606638U Coaxial double-hole punching mould for roller of textile machine
12/19/2012CN202606637U Punching device for hot rolled plate
12/19/2012CN202606636U Die oblique wedging punching device
12/19/2012CN202606635U Full automatic roll-to-roll punching machine
12/19/2012CN202606634U Integrated induction machine tool
12/19/2012CN202606633U Fixed guide plate type blanking die
12/19/2012CN202606632U Novel and convenient material supporting and discharging two-in-one device
12/19/2012CN202606631U Female die for shifting fork trimming die
12/19/2012CN202606630U Forming die used for gear shaft
12/19/2012CN202606629U Lower die of forming die for gear shafts
12/19/2012CN202606628U Trimming die for shifting fork
12/19/2012CN202606627U Die for forming shifting fork of transmission box
12/19/2012CN202606626U Blanking upper knife edge for plate multi-functional punch
12/19/2012CN202606625U Die for inner and outer chamfers for pan head torx self-tapping locking screw
12/19/2012CN202606624U Stamping edge-trimming device
12/19/2012CN202606623U Material cutting device for punching machine
12/19/2012CN202606622U Full-automatic blanking device of punch
12/19/2012CN102830655A System and method of adaptive die for ventral punching of U-shaped beam
12/19/2012CN102825429A Automatic punching machine for steel strip
12/19/2012CN102825129A Processing method of radial rectangular hole in pin and special die thereof
12/19/2012CN102825128A Positioning groove processing die for processing radial rectangular hole in pin
12/19/2012CN102825127A Tooling structure for deburring automobile lock core
12/19/2012CN102825126A Iron shell cutting machine
12/19/2012CN102069123B Mould for trimming mouths of outsides cover parts
12/18/2012DE202010017842U1 Vorrichtung zum Formen gesäumter Ränder an einem Stanzloch einer metallischen Schutzkomponente Apparatus for forming hemmed edges on a punched hole of a metallic component protection
12/18/2012CA2571974C Reversible floating punch retainer for punch change retainer tool
12/13/2012WO2012170085A1 Die shoe assembly with bearing surface mechanism, method for retaining a die, and die for use therewith
12/13/2012US20120315109 Metal Members and Assemblies that have Reinforced Punched Holes and Method of Forming the Holes
12/13/2012US20120312064 Punching Sheet Metal
12/13/2012DE102010005771B4 Modulares Metallband, Verfahren zur seiner Herstellung und Bauteil mit verbesserter Ebenheit Modular metal band method for its manufacture and components with improved flatness
12/13/2012CA2838522A1 Die shoe assembly with bearing surface mechanism, method for retaining a die, and die for use therewith
12/12/2012EP2532452A1 Method and tool for punching and straightening sheet metal
12/12/2012CN202602485U Die used for processing buckle piece groove of stator tooth clamping ring of submersible motor
12/12/2012CN202592794U Blanking buffering mechanism of hydraulic machine
12/12/2012CN202591452U Angle steel punching and positioning device
12/12/2012CN202591391U Trimming and punching compound mould for wheel hub
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