B21D 28 - Shaping by press-cutting; Perforating

Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
11/2013
11/06/2013	CN203265382U Production line for machining pipes
11/06/2013	CN203265380U Cantilever embedded block type punch die
11/06/2013	CN203265379U Punching mechanism
11/06/2013	CN203265378U 冲孔落料模具 Punching Blanking Die
11/06/2013	CN203265377U One-step forming device for bent pipe different-face holes
11/06/2013	CN203265376U 气动冲孔装置 Pneumatic punching device
11/06/2013	CN203265375U Metal plate netting machine
11/06/2013	CN203265374U Numerical control multi-plunger-chip punch press
11/06/2013	CN203265373U Pushing hole machining device
11/06/2013	CN203265372U Novel one-step forming and punching machine for aluminum profile of solar photovoltaic module
11/06/2013	CN203265371U Enclosure punching device
11/06/2013	CN203265370U Novel automatic embedding machine linkage mechanism of motor slotted vane
11/06/2013	CN203265369U Rotary knife set driving structure of computer punching machine
11/06/2013	CN203265368U No-scrap chain plate grading stamping die
11/06/2013	CN203265367U Air cylinder type automobile motor part punching machine die
11/06/2013	CN203265366U Automatic discharging lower die for double-cut-edge die
11/06/2013	CN203265365U Material supporting rack of stamping blanking die
11/06/2013	CN203265364U Stamping blanking die
11/06/2013	CN203265363U Sheet metal part stamping automatic blanking die
11/06/2013	CN203265362U Multi-punch front frame stamping die
11/06/2013	CN203265361U Male die fixing structure
11/06/2013	CN203265306U Accurate measuring device for punching accuracy of workpiece
11/06/2013	CN103381447A Forced wedge return mechanism for lewis
11/06/2013	CN103381446A Flue-cured tobacco clip automatic punching machine tool
11/06/2013	CN103381445A Stamping male die for preventing motor stamped piece from forming wave shape
11/06/2013	CN103381444A Stator/rotor single-notching pneumatic composite die
11/06/2013	CN103381443A Material cutting device of flat copper cutting machine
11/06/2013	CN103381442A One-step forming equipment for punching and blanking of plate pieces
11/06/2013	CN102581114B Wafer blanking production equipment and processing method
11/06/2013	CN102527819B Punching mold for seal assembly door inside of vehicle
11/06/2013	CN102371302B Punching structure for plate of support central pipe of filter
11/06/2013	CN102363190B Automatic punching feeding machine for inner protecting wire net of filter
11/05/2013	US8573020 Method and apparatus for forming a can shell
10/2013
10/31/2013	WO2013162215A1 Transfer mold capable of multi-row press work
10/31/2013	DE102012207076A1 Method for manufacturing hollow outer shaft for cam shaft, involves repeating rotating step and extending step until oblong hole is punched in outer shaft in which pin is guided, where pin connects cam with inner shaft
10/30/2013	EP2656937A1 Method for introducing a form in a plate-like workpiece
10/30/2013	CN203253802U Replacing device for punch of punching machine
10/30/2013	CN203253798U Fixing mould for gear punching
10/30/2013	CN203253797U Punching and character marking integrated mold
10/30/2013	CN203253796U Automatic punching and scrap-blowing machine for pipe fitting
10/30/2013	CN203253795U Scrap jumping prevention structure of splicing block notching concave mold
10/30/2013	CN203253794U Hand-operated layout lower die used for double-trimming die
10/30/2013	CN203253793U Improved blanking die of bicycle chain guard connecting piece
10/30/2013	CN203253792U Double trimming die
10/30/2013	CN203253791U Rotor notching die provided with fastening device
10/30/2013	CN203253790U Discharging mechanism using gourd shape cutting, blanking and shearing technology
10/30/2013	CN203253789U Component installation guide rail clipping machine
10/30/2013	CN103376018A Tube bundle supporting member for shell-and-tube heat exchanger
10/30/2013	CN103372599A Inclined slider mechanism
10/30/2013	CN103372598A Vertical punching die with internal male die
10/30/2013	CN103372597A Vertical stamping die for single holes in thin-wall pipes
10/30/2013	CN103372596A Tetragonal anti-corrosion wear-resistant trimming die
10/30/2013	CN103372595A Serrated anti-corrosion trimming die
10/30/2013	CN103372594A Hexagonal detachable anti-corrosion trimming die
10/30/2013	CN103372593A Stamping die
10/30/2013	CN102317003B Pipe cutting apparatus
10/24/2013	US20130276603 Punch of punching press, nibbler assembly, and method of forming elongated hole in sheet material
10/23/2013	EP2653245A1 Apparatus and method for manufacturing workpiece stack
10/23/2013	CN203245278U Engine cover hinge punching trimming lateral punching compound die
10/23/2013	CN203245256U Punch press with dust removing device
10/23/2013	CN203245255U Punching machine with slag powder separating device
10/23/2013	CN203245251U Rotary positioning mechanism of punching equipment of clutch shell body
10/23/2013	CN203245250U Foot pin base punching die
10/23/2013	CN203245249U Stamping die for waist shape hole of automobile directional lock sleeve
10/23/2013	CN203245248U Rear axle adjusting nut punching die
10/23/2013	CN203245247U Stamping die
10/23/2013	CN203245246U Punch press with plate punching detection function
10/23/2013	CN203245245U Inclined wedge punching mechanism
10/23/2013	CN203245244U Worm gear punching machine
10/23/2013	CN203245243U Punching device of clutch shell body
10/23/2013	CN203245242U Side punching mechanism of clutch shell body
10/23/2013	CN203245241U Punching machine with punching detecting function
10/23/2013	CN203245240U Progressive die material belt turn table separating device
10/23/2013	CN103357760A Die and technology used for manufacturing inner box and outer box of roller pin thrust bearing retainer at same time
10/23/2013	CN103357759A Continuous cutting and punching device for hoop of centering device
10/23/2013	CN103357746A Linkage production forming system for hoop of centering device
10/23/2013	CN103357745A Double-face punching die
10/23/2013	CN103357744A Progressive die
10/23/2013	CN103357743A Process method for hole punching of multi-station progressive die
10/23/2013	CN103357742A Drum type trimming die for automobile brake shoe
10/23/2013	CN103357741A Four-corner-detachable wear-resistant trimming die
10/23/2013	CN103357740A Sawtoothed trimming die
10/23/2013	CN103357739A Novel composite punching die
10/23/2013	CN103357738A Micro grid cutting method
10/23/2013	CN103357727A Non-transmission hand-cranking edge-rolling machine
10/17/2013	DE102012103167A1 Method for punching, particularly for metallic workpieces, involves making prenotch of workpiece along projected shearing edge, where pre-notched workpiece is sheared by cutting element of cutting device along prenotch
10/16/2013	CN203235811U Stamping die of knife box frame separation sheet
10/16/2013	CN203235810U Combined type trimming die device
10/16/2013	CN203235809U Quick hole making device for angle steel
10/16/2013	CN203235808U Adjusting gasket punching machining device
10/16/2013	CN203235807U Hole punching device with solar power supply
10/16/2013	CN203235806U Discharge mechanism of uncoiling and blanking die
10/16/2013	CN203235805U Rapid angle steel cutting device
10/16/2013	CN103350346A Power takeoff transmission shaft cold precision forging plastic forming process
10/16/2013	CN103350152A Punching machine with automatic feeding function
10/16/2013	CN103350141A Drilling punch for metal plate, metal plate drilling device comprising punch and method of device
10/16/2013	CN103350140A Upper punching structure for continuous deep drawing or molding die
10/16/2013	CN103350139A Portable bus pressing device and using method
10/16/2013	CN103350138A Slide block trimming die
10/16/2013	CN103350127A Deflection analysis method of terminal pieces in multi-step blanking of precision progressive die

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