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)
12/2012
12/12/2012CN202591369U Bicycle frame punch press
12/12/2012CN202591367U Numerically controlled counterbore punch for processing sheet metal counterbore
12/12/2012CN202591366U Box liner punching die
12/12/2012CN202591365U Punching device
12/12/2012CN202591364U Die for punching flat hole for round pin
12/12/2012CN202591363U Mould for punching bottom cover of lamp post flange
12/12/2012CN202591362U Square-tube double-face hedging mechanism
12/12/2012CN202591361U Double-wedge mechanism for punching die
12/12/2012CN202591360U Light wall pipe single hole vertical stamping die
12/12/2012CN202591359U Cantilever type single-hole vertical punching die
12/12/2012CN202591358U Multi-hole punching device for arc-shaped corrugated plate
12/12/2012CN202591357U Keel punching device
12/12/2012CN202591356U Adjustable angle iron punching device
12/12/2012CN202591355U Sheet metal stamping die
12/12/2012CN202591354U Blanking and punching die
12/12/2012CN202591353U Hot forging trimming and punching die
12/12/2012CN202591352U Diaphragm spring grooving mold
12/12/2012CN202591351U B pillar inner plate machining mold
12/12/2012CN202591350U Disk-shaped workpiece blanking mould
12/12/2012CN202591349U Novel semiconductor trimming die
12/12/2012CN202591348U Automatic blanking cut-off processing system for stamping parts
12/12/2012CN202591347U Induction-piece-stamping device
12/12/2012CN202591346U Replaceable angle iron cutting machine
12/12/2012CN202591345U Device for processing symmetric plane of shaft part
12/12/2012CN1684779B Formed product working method, and upper and lower dies used for the method
12/12/2012CN102821890A Method of manufacturing door hinge for automobile
12/12/2012CN102818416A Refrigerator, cover plate of air delivery duct of refrigerator, and manufacturing method for cover plate of air delivery duct
12/12/2012CN102814455A Pierce nut manufacturing apparatus
12/12/2012CN102814420A Novel punching feeding machine
12/12/2012CN102814393A Silicon steel sheet notching press and processing method
12/12/2012CN102814392A Sliding block double-support mechanism for full-servo notching press
12/12/2012CN102814391A Gear-driven servo driving sliding block mechanism for full-servo notching press
12/12/2012CN102814390A Direct-connected type servo driving sliding block mechanism for full-servo notching press
12/12/2012CN102814389A Sliding block lifting mechanism for notching press
12/12/2012CN102814388A Control device and control method used for slider lifting of high-speed notching press
12/12/2012CN102814387A Punch forming die of high-precision friction plate
12/12/2012CN102814386A Inlay type combined die structure
12/12/2012CN102814385A Sector piece blanking die
12/12/2012CN102814384A Clamping plate molding die
12/12/2012CN102814383A Automobile instrument desk punching machine
12/12/2012CN102814382A Method and tool for punching and straightening sheet metal
12/11/2012US8328072 Method for forming a wave form used to make wound stents
12/06/2012US20120304727 Press die of sliding cover fastener and punch structure thereof
12/06/2012DE202012103174U1 Zugschrauben-Verbinder Lag screws connector
12/05/2012EP2529853A1 Marking method, marking tool, and punch press machine
12/05/2012CN202572509U Mobile phone horn net punching device
12/05/2012CN202571803U Steel round bar plasma cutting machine for manufacturing steel pipe
12/05/2012CN202571788U Blanking machine of flat tube
12/05/2012CN202571057U Coil feed line panel veneer locating device
12/05/2012CN202571054U Centering device for pre-punched hole
12/05/2012CN202570987U Compound die for processing arc-shaped sheet metal parts
12/05/2012CN202570970U Die for punching compressor hole of air conditioner chassis
12/05/2012CN202570969U Punching die for upper and lower half bodies of automobile rear axle
12/05/2012CN202570968U Punching pin
12/05/2012CN202570967U Punching die for flange of automobile exhaust pipe
12/05/2012CN202570966U Punch of orchid hanger mould
12/05/2012CN202570965U Connecting support precision-punching die
12/05/2012CN202570964U Two-driver hanging-punching mechanism
12/05/2012CN202570963U Scrap edge punching mold frame
12/05/2012CN202570962U Composite punching die for spoke
12/05/2012CN202570961U Discharging device of spoke composite punching die
12/05/2012CN202570960U Hexagonal socket punching die for screw
12/05/2012CN202570959U Lower die of capacitor aluminum cap punching mould
12/05/2012CN202570958U Capacitor aluminum cap punching die
12/05/2012CN202570957U Quickly installed punch and sleeve combination for automobile punching die
12/05/2012CN202570956U Die for punching cylindrical tube one-side square hole on punch equipment
12/05/2012CN202570955U Square tube punching device
12/05/2012CN202570954U Carrier-tape molding mechanism
12/05/2012CN202570953U Carrier tape punching structure
12/05/2012CN202570952U Purline forming machine and punching device thereof
12/05/2012CN202570951U Adjustable perforating device capable of precisely positioning for lithium battery cells
12/05/2012CN202570950U Waste stop pin for preventing side punching waste blockage
12/05/2012CN202570949U Punching device
12/05/2012CN202570948U Device for accurate punching and locating of lithium ion battery cell
12/05/2012CN202570947U Wire box punching machine
12/05/2012CN202570946U Punching device for hydraulic forging press
12/05/2012CN202570945U Floating-type waste cutter device for blanking die
12/05/2012CN202570944U Composite surface punching die
12/05/2012CN202570943U Device for cutting edges of automobile member pressing die
12/05/2012CN202570942U Precise die for cutting thick material into narrow workpiece
12/05/2012CN202570941U Small gap incising molded precision grinding tool
12/05/2012CN202570940U Chamfering die
12/05/2012CN202570939U Dual-chamfering die for dowel screw
12/05/2012CN202570938U Dual-part blanking mould
12/05/2012CN202570937U Punch for inner and outer screw head chamfering
12/05/2012CN202570936U Oblique die
12/05/2012CN202570935U Tongue punching mold for inside belt line molding for vehicle
12/05/2012CN202570934U Automatic cutting system
12/05/2012CN202570933U Stamping equipment for grid of lead acid storage battery
12/05/2012CN202570932U Aluminium-shell edge cutting machine
12/05/2012CN202570931U Device for cutting TAB
12/05/2012CN1980757B Image processing system used on notching presses
12/05/2012CN102806281A Automatic lifting, locating and clamping device for irregular tubing
12/05/2012CN102806268A Tongue hole punching feed unit of generator rotor coil tongue hole punching and V-type pit pressing equipment
12/05/2012CN102806267A Novel numerical control worm gear and worm punch mechanism
12/05/2012CN102806266A Cutting and blanking mould for bar stock
12/05/2012CN102806265A Punch die
12/05/2012CN102806264A Two-way fine stamping die and two-way fine stamping part processing method
12/05/2012CN102806263A Machining device for spacer grooves of D-shaped pipe of evaporators
12/05/2012CN102430638B Pendulum shear mould
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