B21D 28 - Shaping by press-cutting; Perforating

Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
06/2013
06/12/2013	CN103143617A Punching device
06/12/2013	CN103143616A Anti-collision punching method and device and punching controlling system
06/12/2013	CN103143615A Cutter blade punching device
06/12/2013	CN103143614A Movable cutting edge mechanism of progressive stamping die
06/12/2013	CN103143613A Cross formed punch die
06/12/2013	CN103143612A Smooth and clean fine blanking mould
06/12/2013	CN102327950B Concentric stamping die
06/12/2013	CN102284620B Bilateral hole turnup structure of double-hole shielding cover progressive die
06/12/2013	CN102266890B Double side punching-hole and double side punching-hole flange integrated structure for double-hole shielding cover progressive mould
06/12/2013	CN102049444B Plane edge-pressing and semi-fine blanking device and method
06/06/2013	DE102011120036A1 Apparatus for punching workpiece for forming synchronizer of gear box, has stop that is provided with axial bearing surface arranged at cutting edge of punch in lateral direction, and is moved forward in axial direction
06/06/2013	DE102011087503A1 Tool for punching head of hand hole die cutter for manufacturing aperture in e.g. rear outer covering part of vehicle, has nut arranged at sides of through-holes, where sides lie opposite to screw head of guidance fitted screw
06/06/2013	CA2760923A1 Apparatus for texturing the surface of a brake plate
06/05/2013	EP2560772B1 Method for producing slots in a tube wall and slotting tool
06/05/2013	CN202967582U Magnet loop iron sheet plane assembling device
06/05/2013	CN202964785U Plate-seperating stamping die
06/05/2013	CN202963992U Joint production device for round steel production engine connecting rod finished product
06/05/2013	CN202963280U Tool special for stamping gasket
06/05/2013	CN202963266U Material supporting device for longitudinal beam punching machine
06/05/2013	CN202963206U Pressing mould for cone steel plate with cutting function
06/05/2013	CN202963191U Manufacturing equipment for net type plate grid of lead-acid storage battery
06/05/2013	CN202963188U Punching die capable of punching two workpieces simultaneously
06/05/2013	CN202963187U Titanium alloy high-locking bolt punching hexagonal hole die
06/05/2013	CN202963186U Ladle edge composite punching die
06/05/2013	CN202963185U Transmission case shell punching die
06/05/2013	CN202963184U Box shell hole side return die
06/05/2013	CN202963183U Stamping die for quick punching
06/05/2013	CN202963182U Simple stamping die
06/05/2013	CN202963181U Punch capable of being changed
06/05/2013	CN202963180U Anti-stamping-missing die for spring plate
06/05/2013	CN202963179U Progressive punching stepping mechanism for stamping die
06/05/2013	CN202963178U Assembled type rotary punching die
06/05/2013	CN202963177U Silicon steel washer hole site blanking device
06/05/2013	CN202963176U Punching device of sweeping board of electromobile
06/05/2013	CN202963175U Numerical control punching machine
06/05/2013	CN202963174U Iron tower production workshop 100-ton semi-automatic punching machine for electric transmission line
06/05/2013	CN202963173U Fixture with punching function
06/05/2013	CN202963172U Special punching mechanism for radiation fin of radiator
06/05/2013	CN202963171U Stamping and cutting die for sliding doors of automobiles
06/05/2013	CN202963170U Transmission case shell trimming die
06/05/2013	CN202963169U Metal shell trimming die device
06/05/2013	CN202963168U Multi-cutter cutting type punching tooth die
06/05/2013	CN202963167U Machining and positioning device of automobile brake horseshoe face plate
06/05/2013	CN202963166U Machining machine of door closer back-resistant device
06/05/2013	CN202963165U Automatic sensing punching device of punch
06/05/2013	CN202963164U Device for protecting punch from being clamped by waste materials in side cutting process
06/05/2013	CN202963163U Device for stamping keyway on hollow component
06/05/2013	CN202963162U Punching machine tool cutting tool
06/05/2013	CN202963099U Cutter
06/05/2013	CN103134209A Machining technology of solar air flat collector with plate core formed through drawing
06/05/2013	CN103128162A Metal detonator tube shell hot stamping stretching method
06/05/2013	CN103128160A Rectangular hole die
06/05/2013	CN103128159A Bow-shaped pneumatic punching machine nozzle structure
06/05/2013	CN103128158A Punching ball head circular die
06/05/2013	CN103128157A Pipe end circular notch punching device
06/05/2013	CN102310138B Mold structure for cutting waste edge of T-type bolt head
06/05/2013	CN102248064B Square hole machining device for universal joint retainer
06/05/2013	CN102248060B Contact blanking process
05/2013
05/30/2013	WO2013077193A1 Processing device and processing method
05/29/2013	EP2596878A2 Multiple-use tool for a punching device
05/29/2013	DE102011087084A1 Mehrfachwerkzeug The multi-tool
05/29/2013	CN202952032U Bulb support assembling punching tool of automotive trim lamp
05/29/2013	CN202951783U Multi-purpose corrector
05/29/2013	CN202951756U Concave head punch pin
05/29/2013	CN202951755U Combined piercing die
05/29/2013	CN202951754U Stamping and perforating die
05/29/2013	CN202951753U High-speed perforating machine
05/29/2013	CN202951752U Notching cutter
05/29/2013	CN103121060A Forming die and punching machine for punching of lithium-ion energy-storing current collector material and die machining method
05/29/2013	CN103121059A Automatically punching device and processing procedure of the same
05/29/2013	CN103120102A Press forming type parallel combined bowl manufacturing barrel without welded joint
05/23/2013	WO2013071565A1 Mold for back frame and stand, method for manufacturing back frame, and back frame
05/22/2013	CN202943138U Small and light numerical control busbar processing machine
05/22/2013	CN202943137U Punching device for hinge holes
05/22/2013	CN202943136U Side edge punch die
05/22/2013	CN202943135U Punching die for lampshade
05/22/2013	CN202943134U Lamp cover punching die
05/22/2013	CN202943133U Lamp cover top punching die
05/22/2013	CN202943132U Steel bridge chord member punching die
05/22/2013	CN202943131U Steel bridge chord member frame connecting block punching die
05/22/2013	CN202943130U Mold structure used for thin plate piece punching machining
05/22/2013	CN202943129U Porous push-pull die bus punching machine
05/22/2013	CN202943128U Novel oil-pressure punching device
05/22/2013	CN202943127U Punching machine refitted from cut-off machine
05/22/2013	CN202943126U Punching machine of automobile fuel tank
05/22/2013	CN202943125U Side cutter device and fin die with same
05/22/2013	CN202943124U Fine stamping die of car disc braking brake pad steel back
05/22/2013	CN202943123U Punching shear die of die-casting products
05/22/2013	CN202943122U Bending hood blanking mould structure
05/22/2013	CN202943121U Cutting machine
05/22/2013	CN202943077U Inner die of great reducing forming pipe die blank
05/22/2013	CN103118818A Method and device for punching holes in double-walled materials
05/22/2013	CN103111523A Optional processing process of clutch driven disc
05/22/2013	CN103111509A One-time punching device adjustable in three dimensions of vehicle window frame strip
05/22/2013	CN103111508A Trunk lid lock stiffening plate edge trimming mould
05/22/2013	CN102284841B Method for overcoming quenching deformation of creeper tread
05/21/2013	US8443643 Burr removing method and device
05/16/2013	WO2013070536A1 Punch tool, punch tip and method of securing a punch tip with a punch body
05/16/2013	WO2013069905A1 Press mold for producing spring materials used in voice coil motor and stepping motor without burr
05/16/2013	WO2013069440A1 Abrasion method and device, and die

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