| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 03/18/2009 | CN101386043A Theft protection label continuous parting-cut molding machine |
| 03/18/2009 | CN100469480C High speed punch cutting device and its control method |
| 03/18/2009 | CN100469479C Punch-shearing machine |
| 03/18/2009 | CN100469478C Machine tool comprising a lifting drive for acting on a workpiece by means of a machining tool |
| 03/17/2009 | US7503198 Slug expanding and capturing apparatus and method for hydroforming application |
| 03/17/2009 | US7503197 Apparatus for hole punching |
| 03/14/2009 | CA2639502A1 Method and device for fine blanking and forming a workpiece |
| 03/14/2009 | CA2639455A1 Method and device for the production of a stamping with enlarged functional surface |
| 03/12/2009 | WO2009030699A1 Die press assembly for powder pressing |
| 03/12/2009 | US20090069907 Punching tool provided with a tool identification medium and punch press provided with a tool identification medium reader |
| 03/12/2009 | US20090064839 Servo drive system and continuous working system of press machine |
| 03/12/2009 | US20090064838 Servo drive system and continuous working system of press machine |
| 03/11/2009 | EP2033722A1 Die press assembly for powder pressing |
| 03/11/2009 | EP2032278A1 Method and device for producing a screw connection point |
| 03/11/2009 | CN201205588Y Full-automatic plate spring forming machine |
| 03/11/2009 | CN201205584Y Holding material apparatus for motor stator and rotor stamping notches |
| 03/11/2009 | CN201205575Y Special-shaped punch fixing plate and punching mold |
| 03/11/2009 | CN201205574Y Improved nut punching rod |
| 03/11/2009 | CN201205573Y Transformer device mounting hole processing apparatus |
| 03/11/2009 | CN101380833A Preparation method of X-core sandwich plate |
| 03/11/2009 | CN101380658A Automobile hub bearings limit ring manufacturing technique and production die thereof |
| 03/11/2009 | CN101380653A Blanket machine |
| 03/05/2009 | WO2009026893A1 Drive system for hydraulic presses |
| 03/05/2009 | DE102008041621A1 Verfahren und Gerät zum Ausbilden eines Lochs Method and apparatus for forming a hole |
| 03/05/2009 | DE102007041799A1 Cutting tool for separating and perforating semi-finished products/metal sheets has a cutting body fastened on a main body so as to be exchangeable |
| 03/04/2009 | EP2030702A2 Blade structure for torque converter and process for producing the same |
| 03/04/2009 | CN201201009Y High-precision multidimensional pressure hole-pressing mold for chain-plate |
| 03/04/2009 | CN101378859A Method of and tool for fine-cutting pieces with small edge radius and strongly reduced depth in a single step arrangement |
| 03/04/2009 | CN101376147A Method for forming parts |
| 03/04/2009 | CN100464892C A reinforced method of guiding surfaces in guiding protection equipment of long thin embossing dies |
| 03/04/2009 | CN100464891C A punching forming technology of expansion clinch bolt sleeves and a special purpose cover die |
| 02/26/2009 | DE202008015770U1 Stanzvorrichtung und Heizplatte dafür Die cutter and heating plate for |
| 02/26/2009 | DE19636398B4 Kupplungsdeckel für eine Kupplung und Kupplungsmechanismus mit einem solchen Deckel Clutch cover for a clutch and clutch mechanism with such a cover |
| 02/25/2009 | EP1406752B1 Holding arrangement for punching tool insert |
| 02/25/2009 | CN201198081Y Automatic machine-shaping machine for liquid crystal panel frame |
| 02/25/2009 | CN201198011Y Rim perforator |
| 02/25/2009 | CN201198010Y Punch machine |
| 02/25/2009 | CN100463737C Water wheel generator stator stamp die |
| 02/19/2009 | US20090044584 Multipart Punch For Hydro Piercing |
| 02/19/2009 | DE202007013727U1 Stanzwerkzeug und Schneidteile zum Einbau in das Stanzwerkzeug Punch and cut parts for installation in the punch |
| 02/19/2009 | DE102007037757A1 Adjustable punching die/punching mold for sheet metal component processing tool, has punch arranged eccentrically in inner ring that is eccentrically and rotatably arranged in outer ring, which is rotatably arranged in mounting ring |
| 02/18/2009 | EP2025430A1 Clutch gear manufacturing apparatus and clutch gear manufacturing method |
| 02/18/2009 | EP2025420A1 Method of reducing the thickness of one-piece milling products |
| 02/18/2009 | CN201196253Y Main transmission mechanism of full electric servo ball screw type numerical control turret punch press |
| 02/18/2009 | CN201195179Y Hydraulic portiforium apparatus |
| 02/18/2009 | CN201195178Y Machine for punching window inside roller bearing holder |
| 02/18/2009 | CN101367165A Manufacturing method for integrating brake treadle arm and stay pipe |
| 02/18/2009 | CN101367106A Waste material discharging structure of vehicle body cladding element punch mould |
| 02/18/2009 | CN100462158C Punch mold |
| 02/17/2009 | US7490501 Method of processing formed product, and metal cope and metal drag used for the method |
| 02/12/2009 | WO2009019832A1 Blank for metallic can, and method for manufacturing the metallic can |
| 02/12/2009 | US20090040002 Iron Core, Mold and Method of Forming and Laminating the Same |
| 02/12/2009 | US20090038428 Metal Member With Through Hole And Manufacturing Method Therefor |
| 02/12/2009 | US20090038365 Press forming method for aluminum alloy sheet and pressing device |
| 02/12/2009 | US20090038357 Piercing device of hydroforming mold |
| 02/12/2009 | US20090038144 Method for manufacturing electrode plate for battery |
| 02/12/2009 | DE102008008469B4 Vorrichtung zum Lochstanzen Apparatus for punching |
| 02/11/2009 | EP2022575A2 Blade structure for torque converter and process of producing the same |
| 02/11/2009 | CN201192898Y Automatic punch machine |
| 02/11/2009 | CN201192712Y Side turning hole die |
| 02/11/2009 | CN101362172A Parts processing method of transport-vehicle platform container |
| 02/11/2009 | CN101362171A Piercing device of hydroforming mold |
| 02/05/2009 | WO2008150601A3 Durable enlarged forming tool technology |
| 02/05/2009 | DE102007035708A1 Method for producing stampings in flexible material entails use of die which consists of cross-linked or non-cross-linked hard plastic, with recess which for manufacturing reasons is formed slightly smaller than punch |
| 02/04/2009 | CN101358754A Heat radiator dome and method for manufacturing same |
| 02/04/2009 | CN101357436A Manufacturing method of combined frame and stamping device thereof |
| 02/04/2009 | CN101357431A Flange fabrication technology |
| 01/29/2009 | US20090025448 Method and apparatus for manufacture of a profile element |
| 01/28/2009 | EP1261443B1 Method and apparatus for manufacturing structures with improved fatigue life |
| 01/28/2009 | CN201186326Y Composite punching mold |
| 01/28/2009 | CN101356024A Dowel forming method for buckle base member |
| 01/27/2009 | US7481093 Punching process with magnetostrictive power source |
| 01/27/2009 | US7480993 Method of manufacturing a nozzle plate |
| 01/27/2009 | CA2373998C Method and apparatus for forming opposing holes in a side wall of a tubular workpiece |
| 01/22/2009 | WO2009012028A1 Multi-drive tooling |
| 01/22/2009 | US20090019911 Dowel Forming Method for Buckle Base Member |
| 01/22/2009 | DE102007054533B3 Computer numerical control stamping machine has electrohydraulic drive containing linear direct drive and hydromechanical booster drive; moving element of linear direct drive acts directly on sliding control element |
| 01/21/2009 | EP1937426A4 Multipart punch for hydro piercing |
| 01/21/2009 | CN201183280Y Shutter flange gasket punch |
| 01/21/2009 | CN201183096Y High fin section bar heat radiation member cutting-stamping die |
| 01/21/2009 | CN201183090Y Shaft bushing punching device |
| 01/21/2009 | CN201183089Y Steel pipe cold die cut equipment |
| 01/21/2009 | CN101347894A Integral drawing technique of draught fan volute |
| 01/21/2009 | CN101347811A Method for lubricating petroleum drill pipe joint during heat-working perforation with plunger tip |
| 01/21/2009 | CN101347805A Mold for press forming small hole |
| 01/21/2009 | CN101347804A Hole-punching method of M6 nut press mounting hole of multiple unit at 300 kilometer per hour |
| 01/20/2009 | US7479004 Die and die device |
| 01/20/2009 | CA2265288C Method and apparatus for manufacturing expanded mesh sheet and battery using this expanded mesh sheet |
| 01/15/2009 | US20090013843 Counter-Rotating Spindle Transmission |
| 01/15/2009 | DE10136860B4 Verfahren und Vorichtung zum Umformen oder Lochen Procedures and Vorichtung for forming and punching |
| 01/14/2009 | EP2014385A2 Box assembly for a punch press |
| 01/13/2009 | US7475584 Servo-drive system and continuous finishing system of press |
| 01/08/2009 | US20090010723 Method and Tool for the Precision Cutting of Workpieces with Small Corner Radii and Greatly Reduced Draw-In in a One-Stage Arrangement |
| 01/08/2009 | DE10393056B4 Hydraulische Steuerung in einem hydraulischen System, insbesondere für den Betrieb einer Schrottschere A hydraulic control in a hydraulic system, in particular for the operation of a scrap shear |
| 01/07/2009 | EP2010341A1 Punch press |
| 01/07/2009 | EP1376190B1 Optical switch |
| 01/07/2009 | CN201175750Y Punching die matched-die keeper |
| 01/07/2009 | CN101337252A Composite mold of pressure cooker lid |
| 01/07/2009 | CN100448668C Die for punching & laminating simultaneously |
| 01/02/2009 | DE10248207B4 Vorrichtung zum Scherschneiden Verwendung dieser Vorrichtung und Verfahren dazu Apparatus for shearing using this apparatus and method thereof |