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)
07/2010
07/14/2010CN101003135B Universal tapper
07/08/2010WO2010075915A2 Method and device for producing a cage of a rolling bearing
07/07/2010CN101767154A Stepped cylindrical component die for medium plate
07/07/2010CN101767146A U-shaped steel digital-control hydraulic three-surface punching device
07/07/2010CN101767145A Punching device
07/07/2010CN101767144A Method for determining pressure center of stamping die of random appearance
07/07/2010CN101767143A One-off edge cutting device
07/07/2010CN101767142A Numerically controlled notching press and method for controlling notching process by using computer program
07/07/2010CN101767141A Lifting workbench of numerically controlled notching press
07/07/2010CN101444809B Punching device for bridge plate production line
07/01/2010WO2010074650A1 A method of forming a cutting line partially through a multilayer plate structure.
07/01/2010WO2010072757A1 Device and method for flush fitting a part in a ring
07/01/2010WO2010072411A1 Loading and unloading unit for sheet metal comprising a tool holder for a sheet metal processing machine
07/01/2010WO2010072326A1 Tool for a punch press having an oscillating tool insert
07/01/2010US20100167080 Integrated Die Trim And Method
06/2010
06/30/2010EP2202012A1 Method for the production of a fitting for fluids
06/30/2010EP2202010A2 Method for forming a stamped metal part
06/30/2010CN201516464U Channel steel punching machine
06/30/2010CN201516463U Punching apparatus for pipes
06/30/2010CN201516462U Cross-shaped arc blade drill rod friction weld-seam inner flashing cutting punch device
06/30/2010CN201516461U Split type convex and concave die of micropore fine blanking
06/30/2010CN101758147A Fine cutting and trimming process for auto brake tendon baffle plate and die
06/30/2010CN101758134A Bidirectional punching press with constantly changing mold clamping force
06/30/2010CN101758133A Edge flashing and off-clipping mechanism for large-blade die forging piece
06/30/2010CN101758078A Special-shaped ring forgeable piece tool for vehicle hub
06/30/2010CN101758077A Special-shaped ring forgeable piece tool for guide ring in vehicle tire mold
06/30/2010CN101288887B Steel tube cold blanking method
06/24/2010WO2010071006A1 Punching device
06/24/2010WO2009062650A3 Cnc punching machine
06/24/2010US20100154504 Method for forming a stamped metal part
06/23/2010EP2198991A1 Sheet mtal loading and unloading unit with a tool holder for sheet metal processing machines
06/23/2010EP2198990A1 Molding apparatus
06/23/2010EP2198989A1 Tool for a stamping machine with an oscillating tool insert
06/23/2010EP2198988A1 Punching tool and method for multi-step punching
06/23/2010CN201511079U Stamping die for processing clutch diaphragm spring
06/23/2010CN201511078U Closed multi-guide type punching die
06/23/2010CN201511077U Multi-punching head mould for punch
06/23/2010CN201511076U Sheet punching device for hole expanding test
06/23/2010CN201511075U Floating type ultrashort die for stamping small hole on thick sheet
06/23/2010CN201511074U Bead fixing ring diameter punching die
06/23/2010CN201511073U Silicon steel film clip stamping device
06/23/2010CN101745588A Automatic feeding device for die punching
06/23/2010CN101327502B Mechanism for punching gaping place on front edge of vehicle roof board
06/17/2010WO2010066776A1 Wedge drive
06/17/2010DE102006005572B4 Stanzvorrichtung Punching device
06/16/2010EP2196270A1 Tooling system with interchangeable tooling inserts for punching machines
06/16/2010CN101733340A Manufacturing method of novel press machine draw bar chuck
06/16/2010CN101733339A Manufacture method of sheets of V-shaped plate heat exchanger
06/16/2010CN101733327A Side hole cover progressive die
06/16/2010CN101733326A Continuous stamping die of cover product
06/16/2010CN101733325A Side hole progressive die
06/16/2010CN101733324A Punching die of long-slotted holes of integrated circuit boards
06/16/2010CN101733323A Novel wall tube punching tool
06/16/2010CN101733322A Novel numerical control turbine worm punching machine structure
06/16/2010CN101733321A Novel steel tube cutting-off machine
06/16/2010CN101428320B Cut die feeding mechanism
06/16/2010CN101406915B Mold and method for pressing incision of product with inner necking
06/16/2010CN101406914B Micro-perforating die
06/16/2010CN101259503B Apparatus for hole punching
06/16/2010CN101251629B Composite type adapter bayonet seat board and producing method thereof
06/16/2010CN101015891B Technique for continuous production of punched scaffold pipe and cross mume flower pipe
06/10/2010US20100139355 Trimming press working apparatus
06/10/2010US20100139353 Automated manufacturing machine
06/10/2010DE102008015867B4 Verfahren zum Stanzen von Grifflöchern für ein Einlassgetriebe in ein Fensterprofil Method for punching handle holes for inlet gear in a window profile
06/09/2010CN201501121U Counterweight balance mechanism of horizontal punching machine
06/09/2010CN201500743U Complex side piercing and shaping composite die of vehicle running board supporting seat
06/09/2010CN201500729U Punching die for pipe fitting symmetrical holes
06/09/2010CN201500728U SIM card punching machine
06/09/2010CN201500727U Limit ring die
06/09/2010CN201500726U Novel cold punching die doffer
06/09/2010CN201500725U Sheet blanking die
06/09/2010CN201500724U Semiconductor bar shearing mold
06/09/2010CN101728153A Gas discharge lamp cap punching device
06/09/2010CN101722665A Stamping machine
06/09/2010CN101722607A Mold assembling machine
06/09/2010CN101722405A Method for manufacturing metal pipe and pipe made thereby
06/09/2010CN101722251A Automatic processing machine tool of collecting pipe
06/09/2010CN101722229A Automatic feed multi-station progressive die
06/09/2010CN101722227A Collecting pipe flat pore stamping device
06/09/2010CN101722226A Punch press of numerical control turbine and worm indexing worktable
06/09/2010CN101386046B U-shaped beam three-face punching technique and production device using the technique
06/09/2010CN101259510B Stamping method for using high-strength steel plate to manufacture automobile rear bumper steel girder
06/09/2010CN101259509B Forming technique for sheet metal stamping cold forging and fine blanking composite boss part
06/09/2010CN101251752B Press apparatus and programmable method
06/09/2010CN101234466B Vehicle rear axle assembly front beam production method
06/08/2010US7730816 Press apparatus, striker control modular tool apparatus and programmable method for punching apertures into a workpiece
06/03/2010WO2010061437A1 Bur removing punch pin, bur removing apparatus and bur removing method
06/03/2010US20100132530 Multi-Use Punch
06/02/2010DE102008059607A1 Device, particularly electric punching device for punching solid bodies, has moving element which is arranged in hollow body, where secondary part of solenoid engine is arranged on moving element
06/02/2010DE10103176B4 Verfahren zum Einbringen von Flachrohreinsteckschlitzen in ein Sammelrohr A method of introducing into a collection tube Flachrohreinsteckschlitzen
06/02/2010CN201493398U Composite multi-station punching die
06/02/2010CN201493390U Adjusting ring punching die
06/02/2010CN201493386U Standardized universal punching mold
06/02/2010CN201493385U Improved punch structure
06/02/2010CN201493382U Multi-station automatic transforming punching die and numerical control punch
06/02/2010CN201493381U Manual punching equipment for backing radar of vehicle bumper
06/02/2010CN201493380U Hole-flanging device for bicycle frame joint
06/02/2010CN201493379U Three-facet special numerical control punching machine tool
06/02/2010CN201493378U Automatic water gap cutting press
06/02/2010CN201493377U Novel mechanical punching machine for automotive plastic trimming
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