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)
09/2010
09/01/2010EP2222963A2 Cnc punching machine
09/01/2010CN201565518U Automobile surrounding outer plate edge trimming hole punching and flanging die
09/01/2010CN201565517U Tab punch mold for lithium ion power battery
09/01/2010CN201565516U Punch and hardware punching die using punch
09/01/2010CN201565515U Slicing notch clamp plate device
09/01/2010CN201565514U Universal PCB die and a special PCB structure thereof
09/01/2010CN101821034A Molding apparatus
09/01/2010CN101817045A Rotatable raw ceramic belt punching assembly
08/2010
08/26/2010WO2010094953A1 Improvements in the creation of curved forms with a controlled and adjustable manufacturing cell
08/26/2010US20100212469 Multiple Punch and Die Assembly Providing Hand Disassembly, Punch Length Adjustment and Replacement
08/25/2010EP2221146A2 Punch nipper, in particular for metal section bars
08/25/2010EP2221124A2 Method for producing a door or a lid or a wall of a household device
08/25/2010EP2219836A1 Device with multiple cutting elements used in folding machine
08/25/2010CN201559818U Automatic cutting packing machine
08/25/2010CN201558912U Self-lubrication punching die
08/25/2010CN201558906U Slant face side punching type progressive die
08/25/2010CN201558904U Punching die of braking beam axle
08/25/2010CN201558903U Horizontal punch die for notch of small crossbeam
08/25/2010CN1939613B Stripped thorn hole turnover method, radiator fin therewith and mould thereof
08/25/2010CN101811159A Punching method of tube hole set and stamping die thereof
08/25/2010CN101811158A Trimming mould for automobile oil sump
08/25/2010CN101260776B Ultra-high tensile steel vehicle door anti-collision joist and method of manufacture
08/19/2010WO2010093710A1 Sheet of material with bend-controlling structures and method
08/18/2010CN201553354U Aluminium-made two-piece pop can with capacity of 500ml
08/18/2010CN201553353U Aluminium-made two-piece pop can with capacity of 500ml
08/18/2010CN201552241U Precision multi-cavity high-speed stamping die
08/18/2010CN201552239U Tubing punching die
08/18/2010CN201552238U Multifold multi-step solid punching die of IML product
08/18/2010CN201552237U Complete cycle punching die
08/18/2010CN201552236U Hydraumatic rushing lockhole machine
08/18/2010CN201552235U Stamping rod group used for machining central holes of electric apparatus joint
08/18/2010CN101804434A Thin material rolling blanking device
08/18/2010CN101480676B Method for automatically processing pipe fitting and equipment thereof
08/18/2010CN101367165B Manufacturing method for integrating brake treadle arm and stay pipe
08/17/2010US7775078 Method of forming a boss
08/12/2010WO2010089449A1 Pipe cutting apparatus
08/12/2010WO2010089321A1 System for moving stamped sheets
08/12/2010DE202009003666U1 Vorrichtung zur Bearbeitung, insbesondere zum Stanzen eines Werkstücks, insbesondere eines Bandmaterials Device for machining, in particular for punching a workpiece, in particular a strip material
08/12/2010CA2692664A1 Interchangeable spring loaded scrap cutter
08/11/2010EP2216882A1 Laminated stator core, and manufacturing method therefor
08/11/2010EP2216109A1 Method for producing elongated and contoured plates from a metal strip
08/11/2010CN201543725U Precision composite high-speed stamping die
08/11/2010CN201543716U Side piercing die for casings
08/11/2010CN201543715U Track shoe bolt hole piercing die
08/11/2010CN201543714U Automatic material return device of punch press
08/11/2010CN201543713U Multifunctional rotary type blank die
08/11/2010CN201543712U Improved LED support severing machine
08/11/2010CN201543711U Composite precise high speed stamping die
08/11/2010CN101486061B Thermoforming, hole-punching and edge-cutting integrated technique and mold of high-duty steel part
08/11/2010CN101282800B Method of manufacturing ring-shaped member
08/10/2010CA2609426C Rotary die board
08/05/2010WO2010087679A2 Method for manufacturing transmission bearing retainer
08/04/2010EP2213390A1 Traversing device for punched plates
08/04/2010EP2213389A2 Positioning-jig for adjusting a face plate
08/04/2010CN201538063U Asbestos packing compression-shear mould
08/04/2010CN201537811U Combined punching and shearing machine with multi-hole site punching device
08/04/2010CN201537661U Novel bus equipment punching and blanking device
08/04/2010CN201537655U Metal plate punching device
08/04/2010CN201537654U Special blanking die for blanking complete smooth face
08/04/2010CN101795795A Die press assembly for powder pressing
08/04/2010CN101791653A Quick clamping assembly for driving a knockout punch
08/03/2010US7769484 Setup information generating device and method for punch press
08/03/2010US7765846 Method of producing a hollow shaft
08/03/2010US7765699 Truck cab space frame
07/2010
07/29/2010WO2010084527A1 Device and method for making hole in thin plate metal
07/29/2010DE102009006357A1 Sliding spindle punching machine for flat material, has side- and spindle plates and striker plate guide that are manually or automatically guided with spindle and lever of striker plate via punching material
07/29/2010DE102004032826B4 Verfahren zum Herstellen von Stanzteilen A method for producing stampings
07/28/2010EP2210685A1 Punching tool with a stripping-off device and method for correcting malformations which occur during the punching of sheet metal
07/28/2010EP2210684A1 Tool for a punching machine with multiple rotating tool inserts
07/28/2010CN201534197U Flat hole punching device on collecting pipe processing machine
07/28/2010CN201534196U 侧压料冲孔机构 Side binder punching mechanism
07/28/2010CN101790284A PCB (printed circuit board) punch forming method and composite punch die
07/28/2010CN101786120A Combined blanking curved progressive die and processing method employing same
07/28/2010CN101456117B Flange fabrication technology
07/28/2010CN101327507B Hole-punching and switching mechanism of mould
07/28/2010CN101224479B Bar stock pneumatic radial impact blanking method with high-efficiency and precision
07/27/2010US7761992 Process for machining axial blade slots in turbine disks for jet engines
07/22/2010WO2009084948A8 Blanking assembly that is destined to be applied for the purpose of blanking transverse elements for use in a push belt for a continuously variable transmission
07/21/2010EP2208553A2 Quick clamping assembly for driving a knockout punch
07/21/2010EP2208552A1 Method and device for fine cutting of workpieces
07/21/2010CN201529722U Double-headed square hole machine
07/21/2010CN201529721U Full-automatic hole pressing machine
07/21/2010CN101780636A Machine for grooving, arcing and drilling seat tube
07/21/2010CN101780508A Process for machining screw pit at tensile part mouth
07/20/2010US7757535 Punching machine with spring-supported work support
07/20/2010US7757534 Press die, burring machining method, method of manufacturing pressed product, and pressed product
07/20/2010CA2690535A1 Quick clamping assembly for driving a knockout punch
07/15/2010US20100175450 Method of producing seamless metal tube and punch for use therein
07/15/2010US20100175447 Electro-hydraulic flanging and trimming
07/14/2010CN201524744U In-mould extrusion multi-station composite progressive die manufacturing device
07/14/2010CN201524739U Dual-hole punching die
07/14/2010CN201524738U Punching device for square tube
07/14/2010CN201524737U Piercing die for bead-positioning ring
07/14/2010CN201524736U Housing chambering device of sleeve-type hydraulic cylinder
07/14/2010CN201524735U Compound dust-proof sheet punch die of roller wheel
07/14/2010CN201524734U Stator-rotor separating slot-punching device
07/14/2010CN201524733U Cutting former for sealing gasket
07/14/2010CN201524732U Round steel cutter
07/14/2010CN101774047A Expanded punch
07/14/2010CN101773971A Processing method for display foundation hardware
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