B21D 28 - Shaping by press-cutting; Perforating

Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
05/2013
05/16/2013	US20130119212 Silent Ratchet and Method for Producing Same
05/16/2013	US20130118331 Punch assemblies and universal punch therefor
05/16/2013	CA2855193A1 Punch tool, punch tip and method of securing a punch tip with a punch body
05/15/2013	CN202934038U Female-die twisting mechanism
05/15/2013	CN202934026U Inverted type punching and blanking compound die
05/15/2013	CN202934018U Edge-pressing punching one-step forming device for color steel tiles
05/15/2013	CN202934016U Back cover cutting and punching die for television
05/15/2013	CN202934015U Punch
05/15/2013	CN202934014U Side punching die of car rear axle hub shaft stool
05/15/2013	CN202934013U Punching die for car rear-axle hub shaft stool
05/15/2013	CN202934012U Die for punching middle hole on side wall of long cylindrical part
05/15/2013	CN202934011U Punching device
05/15/2013	CN202934010U Final punching device with material ramming mechanism
05/15/2013	CN202934009U Adjustable lateral wedge punching mechanism
05/15/2013	CN202934008U Installation structure of trimming die
05/15/2013	CN202934007U Automatic tooth punching and material breaking mould for strap of hose clamp
05/15/2013	CN202934006U Cold-cutting mold of titanium alloy precision forging blades
05/15/2013	CN202934005U Edge cutting die provided with discharge mechanism
05/15/2013	CN202934004U Stamping die provided with protection device
05/15/2013	CN202934003U Segmentation edge cutting die
05/15/2013	CN202934002U Waste separation device
05/15/2013	CN103101079A Manual punching die
05/15/2013	CN103100592A Installation structure of edge cutting die
05/15/2013	CN103100591A Vertical cutting die
05/15/2013	CN103100590A Thin gasket punch forming device
05/08/2013	DE102011075245B4 Schnittwerkzeug für Stanzmaschinen sowie Verfahren zum Betreiben eines solchen Schnittwerkzeuges Cutting equipment for punching machines and methods for operating such a cutting tool
05/08/2013	CN202921802U Punching positioning device for horizontal pipe of game bed for children
05/08/2013	CN202921799U Simple and easy fixture device for piercing fuel feed hole formed in grease gun gland
05/08/2013	CN202921754U Rotary punch
05/08/2013	CN202921753U Wear-resistant rotary punching head
05/08/2013	CN202921752U Wear-resisting punch of die
05/08/2013	CN202921751U Plunger chip structure for mould pre-punching hole
05/08/2013	CN202921750U Die used for pipe fitting punching
05/08/2013	CN202921749U Opening device for hub
05/08/2013	CN202921748U Pipe fitting stamping equipment
05/08/2013	CN202921747U Automatic dial-back mechanism of heat punched centre hole mechanical arm
05/08/2013	CN202921746U Punching device for bus connecting hole
05/08/2013	CN202921745U End plate automatic punching machine
05/08/2013	CN202921744U Error correcting device for angle steel
05/08/2013	CN202921743U Punching die
05/08/2013	CN202921742U Jig for manufacturing gasket
05/08/2013	CN202921741U Punching die
05/08/2013	CN202921740U Blanking die of L-shaped metal plate
05/08/2013	CN103097052A Apparatus and method for manufacturing workpiece stack
05/08/2013	CN103084479A Punching and raising die for upper reinforcing plate of back door wiper
05/08/2013	CN103084465A Tapping machine and tap die, and method of detecting overstroke of tap
05/08/2013	CN103084464A Die for punching lower reinforcing plate of engine cover lock
05/08/2013	CN103084463A Lock pad punching blanking die
05/08/2013	CN103084462A Cutting-open material die structure
05/08/2013	CN103084461A Flat edge-trimming machine
05/07/2013	US8434340 Method for forming a stamped metal part
05/02/2013	DE102012109089A1 Automatic punching machine, has adjusting mechanism comprising bracing cylinders and actuator lifting of plunger, where cylinders are attached to device for lowering bracing pressure and forming bracing pressure during running of machine
05/02/2013	DE102011117066A1 Press mold for producing partially cured sheet component from sheet metal plate or semi-finished product, has a plunger comprising a piercing portion for forming an aperture and a molded portion for creating a collar at the aperture
05/02/2013	DE102011054866A1 Preparing hot-formed and press-hardened motor vehicle body component, comprises processing metal sheet circuit board from curable sheet steel in hot-forming and press-hardening tool, and forming area in circuit board as embossing region
05/02/2013	DE102011054865A1 Producing hot-formed- and press-hardened motor vehicle body component, preferably a motor vehicle column, comprises molding a sheet metal plate by stamping and/or cutting sheet metal plate and pre-forming, and processing sheet metal plate
05/01/2013	CN202910219U Punch protective device
05/01/2013	CN202910204U Diversion hole processing locating device of diversion pipe
05/01/2013	CN202910155U Hole stamping die for thick materials
05/01/2013	CN202910154U Punching device with movable female mold for square automobile pipe fitting
05/01/2013	CN202910153U Oil pan punching device
05/01/2013	CN202910152U Oil pan single-hole punching device
05/01/2013	CN202910151U Automatic punching device of metal earphone casing
05/01/2013	CN202910150U Structure for driving crank axle by synchronous belt for servo motor on numerical control notching machine
05/01/2013	CN202910149U Die-cutting and waste discharging integrated die
05/01/2013	CN202910148U Metal tube chamfering mould
05/01/2013	CN202910147U Multi-row staggered grading blanking mold for punching for conical rotor motor
05/01/2013	CN202910146U Automatic identification slitter of a tape measure
05/01/2013	CN202910145U Whole pre-pressing device of motor punching sheet
05/01/2013	CN202910144U Oil pan side shearing device
05/01/2013	CN103078143A Lithium battery and pole lug cutting device
05/01/2013	CN103071724A Internal punching die for multi-oilhole bushing
05/01/2013	CN103071723A Main transmission device of mechanical servo numerical-control turret punching machine
05/01/2013	CN103071722A Reciprocating fine blanking compound die
05/01/2013	CN103071721A 往复精密冲裁模具 Reciprocating precision punching die
05/01/2013	CN103071720A Shaving die structure of blade
05/01/2013	CN103071719A Stamping die mechanism
05/01/2013	CN102240722B Fastener type upper cutter holder of self-locating metal zipper
05/01/2013	CN102120236B Machining method for precision punching forming of fine toothed parts
04/2013
04/30/2013	CA2442459C Dome forming system
04/25/2013	WO2013059284A2 Arc punch and method of using the same
04/25/2013	US20130098218 Stamping Press
04/25/2013	DE102011054648A1 Verfahren zum Herstellen von Sägeblättern durch Stanzen A process for the manufacture of saw blades by punching
04/24/2013	EP2583768A1 Tool and method of heat forming, in particular of press hardening and cutting of a sheet material
04/24/2013	EP2583767A1 Method for producing saw blades by stamping
04/24/2013	CN202900815U Servo hydraulic control system capable of adjusting punching stroke and punching speed of punch automatically
04/24/2013	CN202894081U Installing support for punching processing die
04/24/2013	CN202894080U Installation support structure used for necking machining die
04/24/2013	CN202894022U Punching and raising die for reinforced plate of back door windscreen wiper
04/24/2013	CN202893971U Punching and engraving mould for filter cover plates
04/24/2013	CN202893970U Punching mould for car front main rocker arm
04/24/2013	CN202893969U Ring stamping die
04/24/2013	CN202893968U Automobile anti-skid brake system (ABS) upper bracket punching mould
04/24/2013	CN202893967U Automobile anti-skid brake system (ABS) upper bracket punching mould structure
04/24/2013	CN202893966U Punching die of rear main rocker arm of automobile
04/24/2013	CN202893965U Engine cover lock lower reinforcing plate punching die
04/24/2013	CN202893964U Plunger chip for punching
04/24/2013	CN202893963U Large hole punching die for cross beam support of control cabin
04/24/2013	CN202893962U Automatic alignment device of punching die
04/24/2013	CN202893961U Device capable of rapidly punching and stamping
04/24/2013	CN202893960U Material press and hole expand device

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