| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 08/13/2013 | US8506282 Die and die device |
| 08/13/2013 | US8505258 Load-bearing three-dimensional structure |
| 08/13/2013 | CA2697288C Method and apparatus for making optical tiles |
| 08/08/2013 | WO2012065783A3 Electric motor having an improved magnet-retaining ring and method for producing the magnet-retaining ring |
| 08/08/2013 | US20130199352 Punch Assembly With Steel Punch Point Insert Removably Secured Therein |
| 08/08/2013 | DE102012014073B3 Method for making slots in pipe wall, involves piercing set of stampers through pipe wall for producing set of slots, and piercing another set of stampers through pipe wall for producing another set of slots following former set of slots |
| 08/08/2013 | DE102012002468A1 Sheet metal forming tool for cutting sheet metal forming section, has tool upper section and tool lower section between which sheet metal forming section to-be cut is arranged |
| 08/08/2013 | DE102012002001A1 Die unit, particularly stamping-, embossing- or cutting-die unit, has die head, which has inner clamping sleeve with conical outer contour, which has receptacle for accommodating die, where die is clamped in inner clamping sleeve |
| 08/07/2013 | CN203109044U Ventilating slot punching die provided with multiple rapid guiding orientation functions |
| 08/07/2013 | CN203109035U Disc sieve hole partitioned punching die |
| 08/07/2013 | CN203109034U Punching tool |
| 08/07/2013 | CN203109033U Punching die punching foot plank |
| 08/07/2013 | CN203109032U Punching device |
| 08/07/2013 | CN203109031U High-efficiency linkage punching equipment |
| 08/07/2013 | CN203109030U Lifting punching component |
| 08/07/2013 | CN203109029U Sliding block balancing mechanism for full servo notching machine |
| 08/07/2013 | CN203109028U Rolling linear guide rail mechanism used for sliding block mechanism of notching machine |
| 08/07/2013 | CN203109027U Indexing closed-loop control system on notching machine |
| 08/07/2013 | CN203109026U Six-station full-automatic notching press |
| 08/07/2013 | CN203109025U DD motor direct connection mechanism used for scale division part of CNC notching machine |
| 08/07/2013 | CN203109024U Gear transmission mechanism of three-dimensional Z-axle indexing part |
| 08/07/2013 | CN203109023U Gear transmission mechanism of scale division part of single coordinate fan-shaped notching machine |
| 08/07/2013 | CN203109022U Forming mold used for gear shaft |
| 08/07/2013 | CN203109021U Processing device capable of quickly and automatically punching processing shapes of sheets |
| 08/07/2013 | CN203109020U Sheet metal part stamping mold preventing dust upwards raised |
| 08/07/2013 | CN203109019U Steel wheel spoke burr inclined-squeezing mold |
| 08/07/2013 | CN203109018U Stripping device of quadruple cylinder engine cylinder sealing fin blanking module |
| 08/07/2013 | CN203109017U Full-automatic fixed-length punching chamfered edge trimming die |
| 08/07/2013 | CN203109016U Stamping die limiting cushion block and stamping die |
| 08/07/2013 | CN203109015U Efficient punching die capable of replacing milling |
| 08/07/2013 | CN203109014U Stamping die insert structure |
| 08/07/2013 | CN203109013U Angle cutting die |
| 08/07/2013 | CN203108977U Data exchange device used for IC (integrated circuit) punching forming equipment |
| 08/07/2013 | CN103237612A Method for machining a workpiece on a machine tool |
| 08/07/2013 | CN103230980A Die base on punching machine |
| 08/07/2013 | CN103230975A Thin plate punching method and thin plate punching device |
| 08/07/2013 | CN103230973A Precise steel element cutting device |
| 08/07/2013 | CN102310144B Device for synchronously blanking scraps and removing burrs for progressive die |
| 08/07/2013 | CN102259133B Punching die for aluminum profiles |
| 08/06/2013 | CA2701559C High strength part and method of production of the same |
| 08/01/2013 | DE102012001657B3 Punching method for forming press cut in hollow profile wall of slotted pipe, involves arranging punching position of secondary punching step in peripheral direction against punching position of primary punching step on hollow profile wall |
| 08/01/2013 | DE102011089682B4 Matrize für eine Stanzvorrichtung, Stanzwerkzeug für eine Stanzvor-richtung mit einer solchen Matrize sowie Verfahren zum Heraus-schneiden von Werkstückteilen aus Werkstücken mit einer entspre-chenden Matrize Template for a punching device, punching tool for Stanzvor-direction with such die and method for out-of-cut workpiece parts of workpieces with a corre-sponding matrix |
| 08/01/2013 | DE102004008567B4 Vorrichtung und Verfahren zum Herstellen eines in einer Ebene mehrere Segmente aufweisenden ringförmigen Bauteils Apparatus and method for manufacturing a having a plurality of segments in a plane annular member |
| 07/31/2013 | CN203091517U Punching die of stand pipe of scooter handlebar |
| 07/31/2013 | CN203091516U Punching die for nameplate of air conditioner cover net |
| 07/31/2013 | CN203091515U Alloy tool and die steel plunger chip |
| 07/31/2013 | CN203091514U Pneumatic composite punching die |
| 07/31/2013 | CN203091513U Simple spacer perforating die |
| 07/31/2013 | CN203091512U Cold stamping die |
| 07/31/2013 | CN203091511U Small hole punching die core mechanism in flange surface small hole punching work station |
| 07/31/2013 | CN203091510U Punching device of tubular structural part |
| 07/31/2013 | CN203091509U Perforating machine for battery case |
| 07/31/2013 | CN203091508U Open wagon seat board processing device |
| 07/31/2013 | CN203091507U Squeeze punch die |
| 07/31/2013 | CN203091506U Angle cutting die for power tower material hydraulic angle cutting |
| 07/31/2013 | CN203091505U Waste material shearing structure on trimming die |
| 07/31/2013 | CN203091504U Automobile sleeve trimming die |
| 07/31/2013 | CN203091503U Multifunctional once-punching-forming die for two-dimensional cuts of metal angle bar |
| 07/31/2013 | CN203091502U Automatic swinging feeding timing material cutting and stamping mechanism |
| 07/31/2013 | CN203091501U Steel plate cutting device |
| 07/31/2013 | CN203091500U Double-turntable device for side cutting in product stretching mould |
| 07/31/2013 | CN203091499U Side cutting device for press plate in product stretching mould |
| 07/31/2013 | CN103223438A Punching mold for opening part of housing-type component |
| 07/31/2013 | CN103223437A Automatic punching machine tool for lining boards |
| 07/31/2013 | CN103223436A Shrapnel die trimming device of assembly machine with shrapnel being automatically mounted on cap |
| 07/31/2013 | CN103223435A Cutting system of automatic cutting machine |
| 07/25/2013 | US20130186245 Punching apparatus and method |
| 07/24/2013 | CN203077634U Automobile part multi-station high speed hydraulic oil press |
| 07/24/2013 | CN203076651U Exhaust pipe air outlet drilling mould |
| 07/24/2013 | CN203076479U Programmable logic controller (PLC) controlled automatic sheet metal hole positioning machine for punching machine |
| 07/24/2013 | CN203076477U Punching hole fixture of supporting base |
| 07/24/2013 | CN203076421U Automatic side punching die for multi-station forming machine |
| 07/24/2013 | CN203076420U Combined die |
| 07/24/2013 | CN203076419U Punching die of push rod assembly on vacuum booster |
| 07/24/2013 | CN203076418U Packaging iron sheet punching die |
| 07/24/2013 | CN203076417U Center hole drilling cover die of downspout system accessory |
| 07/24/2013 | CN203076416U Drill hole cover die of four-cylinder air exhaust pipe |
| 07/24/2013 | CN203076415U Side hole bidirectional blanking die |
| 07/24/2013 | CN203076414U Cooler circular tube punching device |
| 07/24/2013 | CN203076413U Pipe fitting punching device |
| 07/24/2013 | CN203076412U Assembly hole mould of downspout system accessory |
| 07/24/2013 | CN203076411U Extrusion die convenient for locating workpiece |
| 07/24/2013 | CN203076410U Blanking die for lock cushion punching |
| 07/24/2013 | CN203076409U Closed-groove rotor punching die structure |
| 07/24/2013 | CN203076408U Discharging plate for rib-cutting die |
| 07/24/2013 | CN203076407U Blanking progressive die |
| 07/24/2013 | CN203076406U Thermal baffle blanking and punching die |
| 07/24/2013 | CN203076405U High-speed die of rotor wafers and stator punching sheets of generator |
| 07/24/2013 | CN203076404U Corrugated plate blanking device for welded metal corrugated tubes |
| 07/24/2013 | CN203076403U U-type girder cutoff device |
| 07/24/2013 | CN203076402U Punching device |
| 07/24/2013 | CN103212622A Multi-punch front framework stamping mould |
| 07/24/2013 | CN103212621A Material breaking device of punching machine |
| 07/24/2013 | CN103212620A Burr-free blanking method and blanking system |
| 07/24/2013 | CN102310136B Novel process for blanking of arc-shaped part of component |
| 07/24/2013 | CN102284604B Automatic production line of solar sectional material |
| 07/24/2013 | CN101844381B Anti-rotation positioning device used for rows of mold cores or punch heads |
| 07/23/2013 | US8490455 Mold for press apparatus, and open-drawing method |
| 07/23/2013 | US8490449 Tools, machines and processes for deburring cut edges on workpieces |
| 07/18/2013 | WO2013105685A1 Method for manufacturing mold for foam product |