| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
|---|
| 03/12/2008 | CN101138777A Accurate part finish blanking method and blanking mold thereof |
| 03/12/2008 | CN100374225C Punching point structure of slide fastener tooth planter |
| 03/11/2008 | US7340934 Press molding die and manufacturing method of same |
| 03/06/2008 | US20080053181 Method and tool for the production of three-dimensional attachments by forming and fine blanking operations |
| 03/06/2008 | DE102006050730B3 Hydraulic stamping press for non-metal or soft materials, includes anvil plate which can be moved to rear for automatic deposition of material being stamped |
| 03/05/2008 | EP1893365A1 Tool fastening device for a v-belt drive |
| 03/05/2008 | EP1453622A4 An improved apparatus for forming a baffle |
| 03/04/2008 | US7337649 Press action simulator for aerial cam set up |
| 03/01/2008 | CA2569180A1 Method and tool for the production of three-dimensional attachments by forming and fine blanking operations |
| 02/28/2008 | WO2008022607A1 Method and device for dampening cutting shock |
| 02/28/2008 | DE102006039463A1 Verfahren und Vorrichtung zur Schnittschlagdämpfung Method and apparatus for cutting shock damping |
| 02/27/2008 | EP1892819A2 Multiple linear motor and machine tool having the same mounted thereon |
| 02/27/2008 | CN201026513Y Novel blanking mold |
| 02/27/2008 | CN101132876A Reinforced sealing, trimming or guiding strips |
| 02/27/2008 | CN101132142A Linear motor and machine tool having the same mounted thereon |
| 02/27/2008 | CN101132141A Linear motor and machine tool having the same mounted thereon |
| 02/27/2008 | CN101130200A Technique for processing knurl of thermal shield and heat insulation course |
| 02/26/2008 | CA2486736C Hydraulic control in a hydraulic system, especially for the operation of scrap cutters |
| 02/21/2008 | US20080044245 Tapping method, tapping device and punch press |
| 02/21/2008 | US20080042495 Linear motor and machine tool having the same mounted thereon |
| 02/21/2008 | US20080041243 Linear motor mounted press machine and press working method |
| 02/21/2008 | DE102006038775A1 Method for cutting apertures for low-friction bearings in annular cage blank comprises clamping blank in matrix with gap, through which apertures are stamped out from inside using punch |
| 02/20/2008 | CN100370467C Punching apparatus |
| 02/14/2008 | WO2008017327A1 Punching and embossing machine |
| 02/14/2008 | US20080034824 Method and Device for Producing a Peripherally Closed Hollow Profile |
| 02/13/2008 | EP1175566B1 Pressure activated piston and cylinder unit for use in a die |
| 02/13/2008 | CN201020500Y Female mould capable of preventing waste material returning |
| 02/13/2008 | CN201020498Y Hydraulic pressure multifunctional punching device |
| 02/13/2008 | CN101124055A Pinnacle die structure having scrap collecting opening |
| 02/13/2008 | CN101124054A Method of bending sheet materials and sheet therefor |
| 02/13/2008 | CN101121189A Keel expansion forming technology |
| 02/13/2008 | CN101121186A Water wheel generator stator stamp die |
| 02/12/2008 | US7328642 Hole-punching assembly structure for hole-punching unit |
| 02/12/2008 | US7328640 Turret tool holder for a press |
| 02/12/2008 | CA2425642C A cotter key and a process for the reproducible adjustment of a cotter key |
| 02/07/2008 | WO2008015000A1 V-belt drive with a force returning device |
| 02/07/2008 | DE19843889B4 Stanzwerkzeug-Speicher-und Wechselsystem Punching tool storage and exchange system |
| 02/06/2008 | EP1884299A1 Punching method and punching device |
| 02/06/2008 | CN201015782Y Numerical controlled eyelet work product line |
| 01/31/2008 | WO2008013507A1 A segmented drawing die with a binding collar |
| 01/31/2008 | WO2008013289A1 Punch assembly |
| 01/31/2008 | US20080022833 Device for Severing a Hollow Profile Shaped According to the Internal High-Pressure Deformation Process |
| 01/31/2008 | DE102006034304A1 Stanzpresse und Verfahren zum Betreiben einer Stanzpresse Punch press and method of operating a punch press |
| 01/30/2008 | CN201012379Y Radial feeding device of numerical controlled notching press |
| 01/30/2008 | CN201012377Y Pipe eyelet extending, punching, and shrinking and/or raw edges processing device |
| 01/30/2008 | CN201012375Y Eyelet punching flanging composite mold |
| 01/30/2008 | CN201012374Y Toggle link mechanism of the numerical controlled notching press |
| 01/30/2008 | CN201012373Y Indexing mechanism of the numerical controlled notching press |
| 01/30/2008 | CN100364684C Equipment and technique for producing micro seam acoustic board |
| 01/29/2008 | US7324869 Tool information display device for processing machine |
| 01/23/2008 | EP1880778A1 Method for punching holes for the handle of a mortice bolt into a window profile |
| 01/23/2008 | CN201009295Y Universal hole opener |
| 01/23/2008 | CN201009078Y Device special for stainless steel band molding for steel-aluminum complex contract rail |
| 01/23/2008 | CN201008926Y Automatic sheet-punching machine |
| 01/23/2008 | CN201008913Y Side edge die cutting mould |
| 01/23/2008 | CN201008912Y Side flushing mould device |
| 01/23/2008 | CN101111326A Method for the production of a heat exchanger |
| 01/23/2008 | CN101108404A Punching-dragging process method of cap shaped shell with integrated notch on top and side of the cap shaped shell |
| 01/22/2008 | CA2357707C Roll forming using turret punch press |
| 01/17/2008 | WO2008006732A1 Perforating device for a battery housing wall |
| 01/16/2008 | EP1878515A1 Perforating device for battery separator |
| 01/16/2008 | CN101107086A Pressing mechine, pressing method, and punched article |
| 01/16/2008 | CN101106892A A graphite-metal compound heat dispersion base material and its making technology |
| 01/10/2008 | DE102006031890A1 Device for precisely cutting rod sections into lengths comprises a cutting unit having a cutting press driven by a torque motor interacting with a striking weight of a hammer |
| 01/09/2008 | EP1875975A2 Shear at low inertia for continuous cut of a metallic sheet |
| 01/09/2008 | EP1875873A1 Thin bladed obturator |
| 01/09/2008 | EP1874493A2 Method and tooling for forming sheet material with bend controlling displacements |
| 01/09/2008 | CN201002116Y Positioning device used for long-tube punching device |
| 01/09/2008 | CN101102858A Apparatus and method for stamping and deburring clutch discs and resultant product |
| 01/09/2008 | CN101099982A Water-sealed zip fastener external chain tooth composite punching die |
| 01/08/2008 | CA2346950C Punch guide assembly |
| 01/03/2008 | DE19982996B4 Einstellbare Schnellwechsel-Stanzwerkzeuganordnung Adjustable quick-change cutting tool assembly |
| 01/02/2008 | EP1872890A2 Cutter for cutting a web-like or sheet-like material |
| 01/02/2008 | CN200998750Y Counting blanking apparatus for high-speed upgrading stamping die |
| 01/01/2008 | US7313867 Inner cutter of a reciprocating electric shaver |
| 12/27/2007 | WO2007147453A1 Method and device for producing a screw connection point |
| 12/27/2007 | WO2007082000A3 Formation tool for a punching machine |
| 12/27/2007 | DE102006030938A1 Press for forming open or half open sheet metal structures e.g. wine tank, fuel tank for vehicles, comprises piston rod, drawing cushions arranged to locking plate and to transforming cylinder, and machine fastened on heavy-duty rollers |
| 12/27/2007 | DE102006028775A1 Production of a perforated hollow profile using a high pressure deforming tool comprises removing the perforating punch using the inner high pressure outwardly over the perforated channel |
| 12/27/2007 | DE102006028773A1 Verfahren und Vorrichtung zur Herstellung einer Schraubverbindungsstelle Method and device for producing a screw connection point |
| 12/27/2007 | CA2666551A1 Method and device for producing a screw connection point |
| 12/26/2007 | EP1868749A1 Iron core, mold and method of forming and laminating the same |
| 12/26/2007 | CN200995249Y Punch mould |
| 12/26/2007 | CN101091976A Integral drawn technique for faceplate of buffet dinner stove |
| 12/26/2007 | CN101091973A Punching method, and punching installation of using the method |
| 12/21/2007 | WO2007145155A1 Through hole boring method and boring apparatus |
| 12/19/2007 | CN101090780A Metal member with through hole and method of manufacturing the same |
| 12/19/2007 | CN101088688A Process of cutting off steel and with welded hard grains |
| 12/19/2007 | CN101088655A Process of machining belt wheel for electromagnetic clutch |
| 12/19/2007 | CN101088654A Plate material re-locating system of numerically controlled plate punch |
| 12/18/2007 | US7308814 Method for perforating a sheet |
| 12/13/2007 | DE112006000245T5 Stanzvorrichtung, Stanzverfahren und Stanzprodukt Punching device, Stamping and Punching product |
| 12/13/2007 | DE112005003000T5 Elektronikgehäuse mit kleiner Größe und Verfahren zur Herstellung eines Elektronikgehäuses mit kleiner Größe Electronics housing with a small size and method for preparing an electronic package having a small size |
| 12/12/2007 | EP1863605A1 Shock absorber for movable tools |
| 12/12/2007 | CN200988071Y High precision non-verticla cross section punching mold |
| 12/12/2007 | CN200988066Y Hydraulic device for hole punching machine |
| 12/12/2007 | CN200988065Y Cable hook punching machine |
| 12/05/2007 | EP1861213A1 Rotary apparatus with multiple guides and method of rotary forming |
| 12/05/2007 | EP1677924B1 The prevention of formation of burrs in a blanking process of a transverse element for a push belt for a continuously variable transmission |
| 12/05/2007 | CN200984754Y Symmetrical double arcs fillets punching and cutting module |