| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 06/23/2011 | WO2011074556A1 Punch press |
| 06/23/2011 | US20110150375 System, method and apparatus for tolerance ring with functional layers |
| 06/22/2011 | EP2335841A1 Method for producing bent elements and tool for same |
| 06/22/2011 | CN201871603U Blanking die for train braking plate |
| 06/22/2011 | CN201871602U Parallel punching machine tooling for electrode of disc type heater |
| 06/22/2011 | CN102101145A One-step molding method of split foot with grounding hole |
| 06/22/2011 | CN101628409B Metal tool box forming method |
| 06/22/2011 | CN101578032B Shielding device and manufacturing method thereof |
| 06/21/2011 | CA2491434C Method and apparatus for forming a structural member |
| 06/16/2011 | WO2011072024A2 Cam slider and punch apparatus |
| 06/16/2011 | WO2011070857A1 Punching manufacturing method for workpiece |
| 06/15/2011 | EP2332668A2 Punching machine with compact frame |
| 06/15/2011 | EP2240288B1 Method for producing a break in a chassis section of a motor vehicle as necessary |
| 06/15/2011 | CN201868758U Portable hydraulic punching machine for busbars |
| 06/15/2011 | CN201862689U Die structure capable of realizing on-line remodeling of product |
| 06/15/2011 | CN201862688U Device for piercing and molding spring leaf |
| 06/15/2011 | CN201862687U Numerical control servo high-speed notching machine |
| 06/15/2011 | CN201862686U Flash removal device for S-shaped head of automobile brake camshaft |
| 06/15/2011 | CN102091938A Tapping method and device, and punch press |
| 06/15/2011 | CN102091734A Punching lower die |
| 06/15/2011 | CN101444807B Stepping coordinated thin-plate fine blanking method |
| 06/09/2011 | US20110132391 Heating plate for a hair straightener |
| 06/09/2011 | US20110132162 Method and device for producing precision blankings from a material strip |
| 06/09/2011 | US20110131977 Lever plate in vgs type turbocharger and method of manufacturing the same |
| 06/09/2011 | DE202010015154U1 Lochstanze für Hydraulikpresszange Hole punch for hydraulic crimping pliers |
| 06/09/2011 | DE102010049060A1 Forming tool for transforming plate-shaped materials, has upper tool having shaping structure at lower surface, and another tool is provided, which has supporting tool adjacent to press table |
| 06/09/2011 | DE102008053591B4 Steuerungsverfahren für Stanzautomat Control method for punching machine |
| 06/08/2011 | EP2330721A1 Production line for manufacturing laminations and lamination packs for rotors and stators |
| 06/08/2011 | CN201855870U Punching machine blocking plate skin |
| 06/08/2011 | CN201855869U Numerical control complete punching system of long stroke board |
| 06/08/2011 | CN201855868U Light-emitting diode support chamfering device |
| 06/08/2011 | CN201855867U Punching die for secondary shape molding of flexible circuit board |
| 06/08/2011 | CN201855866U Friction plate fine blanking trimming die with reshaping function |
| 06/08/2011 | CN201855865U Chamfering, punching and shearing machine for steel plate |
| 06/08/2011 | CN102089109A Adapter for tapping, tapping metal mold, tap die, and method of detecting over-stroke of tap |
| 06/08/2011 | CN102085544A Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 06/08/2011 | CN102085543A Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 06/08/2011 | CN102085542A Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 06/08/2011 | CN102085541A Process for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 06/08/2011 | CN101415506B Stamping apparatus with feed device |
| 06/01/2011 | EP2328001A1 Method for manufacturing imaging element |
| 06/01/2011 | EP2327489A2 Monoblock punching tool |
| 06/01/2011 | EP2327488A1 Sheet shearing method |
| 06/01/2011 | EP2327487A1 Stamping tool and method for producing an attachment piece of a wiper arm |
| 06/01/2011 | CN201848520U Gap-adjustable trimming die |
| 06/01/2011 | CN201848487U Stamping material-pulling machine |
| 06/01/2011 | CN201848477U Automatic punching die |
| 06/01/2011 | CN201848476U Lever slider mechanism of numerical control servo high-speed notching machine |
| 06/01/2011 | CN201848475U Tabletting mechanism for numerical-control servo high-speed notching machine |
| 06/01/2011 | CN201848474U Female mold of punching inner foot |
| 06/01/2011 | CN201848473U Cavity die structure |
| 06/01/2011 | CN201848472U Main body mechanism of numerical control servo high-speed notching press |
| 06/01/2011 | CN102079142A Heavy-duty crankshaft high-speed trimming hydraulic machine |
| 06/01/2011 | CN101564748B Liquefied gas steel cylinder seal head molding punching hole composite die device |
| 06/01/2011 | CN101091973B Punching method, and punching installation of using the method |
| 05/26/2011 | US20110120281 Counter-rotating spindle transmission |
| 05/26/2011 | DE102009055682A1 Manual punching and gluing device has clamping system for fixing component, where multiple punching units are provided for inserting punching holes into component |
| 05/25/2011 | EP2325527A1 Method and device for producing bore holes in a planet wheel holder unit which are aligned to each other |
| 05/25/2011 | CN201841218U Punching and milling device of automatic two-way size-determining tooth-selecting punching and milling zipper machine |
| 05/25/2011 | CN201841201U Waste material and insert separating structure used in insert hole punching |
| 05/25/2011 | CN201841200U H-beam numerical control punching production line |
| 05/25/2011 | CN201841199U Large-sized metal lath combined punching machine |
| 05/25/2011 | CN201841198U Cutting die |
| 05/25/2011 | CN102069125A Straight line porous combination punching die |
| 05/25/2011 | CN102069123A Mould for trimming mouths of outsides cover parts |
| 05/25/2011 | CN101623731B Stamping method for numerical control stamping machine tool |
| 05/25/2011 | CN101569905B Rotating punching device |
| 05/25/2011 | CN101495252B Punch assembly |
| 05/19/2011 | WO2011059516A1 Multiple punch and die assembly |
| 05/19/2011 | WO2011058797A1 Device for forming thomson blade by punching |
| 05/19/2011 | WO2011057958A1 Press drive and method for generating a stroke motion of a tool mounting by means of a press drive |
| 05/19/2011 | WO2011057879A1 Press drive arrangement of a machine tool, and machining method |
| 05/19/2011 | WO2011057625A1 Method for producing a one-piece corner connection |
| 05/19/2011 | US20110113849 Metal manufacturing method, apparatus of the same and metal object |
| 05/19/2011 | DE102010038069A1 Mehrstufen-Stanzmaschine und Stanzbearbeitungsverfahren Multi-stage stamping machine and punching process |
| 05/19/2011 | CA2780266A1 Multiple punch and die assembly |
| 05/18/2011 | EP2321073A1 Anti-vibration die holder technology for fabricating press |
| 05/18/2011 | CN201833425U Slant-wedging and lateral-punching die |
| 05/18/2011 | CN201832895U Die holder of numerical-control hydraulic sheet metal punch press |
| 05/18/2011 | CN201832894U Punching die for low-voltage apparatus wiring terminal stamping parts |
| 05/18/2011 | CN201832893U Punching press for notch of refrigerator inner liner |
| 05/18/2011 | CN201832892U Side shearing die for left and right back wheel covers of vehicle |
| 05/18/2011 | CN201832891U Die for machining notches of steel plate springs of heavy-duty automobiles |
| 05/18/2011 | CN201832890U Floating die set device |
| 05/18/2011 | CN201832889U Punching die for low-voltage apparatus wiring terminal stamping parts |
| 05/18/2011 | CN201832888U Piercing die for stamping pieces of bimetallic support |
| 05/18/2011 | CN201832887U Blanking corrugated knife structure |
| 05/18/2011 | CN102066020A Anti-vibration die holder technology for fabricating press |
| 05/18/2011 | CN102066019A Drilling punch for sheet metal, drilling device for sheet metal including the punch, and its method |
| 05/18/2011 | CN102059289A Universal hole opener |
| 05/18/2011 | CN102059288A Tool bit of trimming die |
| 05/18/2011 | CN101686604B Flexible printed circuit whole board punching method |
| 05/18/2011 | CN101549365B Numerical control scale-division slotting winding machine tool |
| 05/12/2011 | US20110107888 Multiple Punch and Die Assembly |
| 05/11/2011 | EP2320102A2 Rotating structure for rotary forming die |
| 05/11/2011 | EP2319666A1 Reversible floating punch retainer for punch change retainer tool |
| 05/11/2011 | EP2319636A1 Press assembly for a tool machine and processing method |
| 05/11/2011 | CN201823819U Excircle locating device of wheel spoke punch bolt hole |
| 05/11/2011 | CN201823818U Punch head for die forging |
| 05/11/2011 | CN201823817U Punching die for vehicle door hinge seat |