Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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12/18/2013 | CN203343257U Simply-equipped waste recovery machine |
12/18/2013 | CN203343256U Outer circle punching die of whole-circle-type armature punching sheet of exciter |
12/18/2013 | CN203343255U Oscillating type punching die |
12/18/2013 | CN203343254U Metal box edge-cutting mechanism |
12/18/2013 | CN103447821A Rod element heading mold with transverse hole |
12/18/2013 | CN103447376A Three-dimensional oil-pressure multi-head punching device |
12/18/2013 | CN103447375A Opposite punching type cutting knife base |
12/18/2013 | CN103447374A Progressive die of spring guide plate |
12/18/2013 | CN103447373A Serrated detachable anti-corrosion trimming die |
12/18/2013 | CN103447372A Serrated abrasion-resistant trimming die |
12/18/2013 | CN103447371A Method for manufacturing magnetic-conductance sheet of second-beat type quartz clock movement |
12/18/2013 | CN102366773B Automobile processing sheet and blanking die thereof |
12/11/2013 | CN203330265U Continuous stamping punching die |
12/11/2013 | CN203330239U Punch forming die for planetary grinding disc |
12/11/2013 | CN203330238U Fast automobile roof punching device |
12/11/2013 | CN203330237U Machine shell surface hole punching die |
12/11/2013 | CN203330236U T-tube punching device |
12/11/2013 | CN203330235U Inner side face punching mechanism of stamping die |
12/11/2013 | CN203330234U Die structure for preventing breakage and scrap bouncing in small heat-dissipation hole stamping process |
12/11/2013 | CN203330233U Novel spoke stamping die |
12/11/2013 | CN203330232U Novel perforating device for spoke vent hole |
12/11/2013 | CN203330231U Punching die |
12/11/2013 | CN203330230U Perforating device for spoke shaft hole |
12/11/2013 | CN203330229U Perforating device for spoke ventilation holes |
12/11/2013 | CN203330228U Pairwise-grooving device for oil tank |
12/11/2013 | CN203330227U Device capable of improving precision of punching frame |
12/11/2013 | CN203330226U Secondary scrap cutting off device of trimming die |
12/11/2013 | CN203330225U Collecting pipe notching die with core rod |
12/11/2013 | CN203330224U Side cutting die for steering nut |
12/11/2013 | CN203330223U Overrunning type trimming die structure |
12/11/2013 | CN203330222U Sliding block trimming mold |
12/11/2013 | CN203330221U Blanking die |
12/11/2013 | CN203330220U Inclined-cutting structure of stamping die |
12/11/2013 | CN203330219U Pairwise-piercing die for side wall of round metal framework of car |
12/11/2013 | CN203330218U Double-row high-speed stamping die |
12/11/2013 | CN203330217U Stamping progressive die movable knife edge mechanism |
12/11/2013 | CN203330216U Adjustable type aluminum strip chamfering device |
12/11/2013 | CN103442860A Method and apparatus for cutting substrate |
12/11/2013 | CN103433399A X-direction positioning device for punching automobile U-shaped beam |
12/11/2013 | CN103433383A Flanging gasket punching die |
12/11/2013 | CN103433368A Mechanism for finishing upturning and trimming of outer covering member of automobile in one process |
12/11/2013 | CN103433361A Rotary pulling and stamping mechanism used for stamping |
12/11/2013 | CN103433360A Guiding type small-hole blanking die |
12/11/2013 | CN103433359A Bidirectional floating punching die |
12/11/2013 | CN103433358A Hardware mould special for steel part deep hole punching |
12/11/2013 | CN103433357A Wing surface punching device of automobile U-shaped beam |
12/11/2013 | CN103433356A Double-oil-cylinder hub dead head punching machine |
12/11/2013 | CN103433355A Bucket tooth forge piece punching typewriter |
12/11/2013 | CN103433354A Processing machine of partitioning piece grooves of parallel-flow evaporator |
12/11/2013 | CN103433353A Horizontal trimming mold |
12/11/2013 | CN103433352A Guiding type blanking die |
12/11/2013 | CN103433351A Cutting mechanism for multi-station progressive die of air conditioner heat transfer sheet |
12/11/2013 | CN103433350A Automobile back longitudinal beam end plate forming die |
12/11/2013 | CN103433349A Grooving device of slotting screw plug |
12/11/2013 | CN103433348A Headrest rod manufacturing device and headrest rod manufacturing method thereof |
12/11/2013 | CN102626864B Steel round bar heading-off mechanism for plasma cutting machine |
12/11/2013 | CN102397877B Sheet tape-threading and locating and punching device and method |
12/11/2013 | CN102284597B Male die with fixing device |
12/11/2013 | CN101987338B Punch tool comprising a stamp supported in a floating manner |
12/10/2013 | US8601849 Device cover and method for fabricating the same |
12/10/2013 | CA2557546C Sheet material with bend controlling displacements and method for forming the same |
12/05/2013 | WO2013177667A1 Bulk textured material sheeting |
12/05/2013 | US20130319065 Hot forging press machine |
12/04/2013 | EP2669024A1 Machine tool and method for pushing out a workpiece part |
12/04/2013 | CN203316633U Improved discharged material ejecting structure of blanking die |
12/04/2013 | CN203316615U Cylindrical guide punching machine |
12/04/2013 | CN203316591U Forming die for engine clutch sight opening cover |
12/04/2013 | CN203316570U Precision punching device for cookware |
12/04/2013 | CN203316569U Blanking and punching progressive die for processing lining board |
12/04/2013 | CN203316568U Shaft sleeve side punching multi-hole die |
12/04/2013 | CN203316567U Punching die |
12/04/2013 | CN203316566U Punch press used for automotive spare parts |
12/04/2013 | CN203316565U Tapered wedge mechanism arranged in material pressing core |
12/04/2013 | CN203316564U 柔性冲裁模具 Flexible punching die |
12/04/2013 | CN203316563U Trimming die provided with sliding blocks on four sides |
12/04/2013 | CN203316562U Die for cross shearing machine |
12/04/2013 | CN203316561U Cutting-off die special for shearing angle steel |
12/04/2013 | CN203316560U Angle steel cut-off die |
12/04/2013 | CN203316559U Bar cutting-off die |
12/04/2013 | CN203316558U Blanking die for upper reinforcer blank of automobile front column |
12/04/2013 | CN203316557U Automobile engine compartment front beam blanking die |
12/04/2013 | CN203316556U Stamping die for lower reinforcer of automobile front column |
12/04/2013 | CN203316555U Trimming cutter for trimming die |
12/04/2013 | CN103429364A Hollow component, method of manufacturing thereof and manufacturing device |
12/04/2013 | CN103418722A Processing method of carrying out rotary forging on forge pieces with high precision of truck hub |
12/04/2013 | CN103418704A Automatic feeding device and method of punch press |
12/04/2013 | CN103418673A Punching die |
12/04/2013 | CN103418672A Flip-over type punching die |
12/04/2013 | CN103418671A Workpiece punching die |
12/04/2013 | CN103418670A Small hole blanking die |
12/04/2013 | CN103418669A Compressor hole punching die for base plates of air conditioners |
12/04/2013 | CN103418668A Novel punch punching mechanism |
12/04/2013 | CN103418667A Stepper device matched with die |
12/04/2013 | CN103418666A Doorframe punching die |
12/04/2013 | CN103418665A Hexagonal anti-corrosion trimming die |
12/04/2013 | CN103418664A Hexagonal trimming die |
12/04/2013 | CN103418663A Trimming die |
12/04/2013 | CN103418662A Cold extrusion blanking die for cross shaft blanks |
12/04/2013 | CN103418661A Novel groove cutting device |
12/04/2013 | CN103418660A Die cutting method driving materials through multiple driving devices |