| Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804) |
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| 07/24/2001 | US6263717 Press-forming die set including rotary cam having negative-angle forming portion and rotatable about vertical axis |
| 07/19/2001 | US20010008099 Punching apparatus and the punching unit thereof |
| 07/18/2001 | EP1115518A1 Method and device for connecting overlapping flat parts |
| 07/18/2001 | EP1115517A1 Grasping device for changing bending tools on a tube bending machine |
| 07/18/2001 | CN2439343Y Structure improved drill tail forming die |
| 07/17/2001 | US6260393 Hole punch for high-pressure shaping tool |
| 06/28/2001 | DE19960654A1 Lifting system for exact positional lifting movement of block shaped heavy loads esp. deforming tools with lifting ram guided in column frame for accepting heavy load of several electromotive working vertical drives |
| 06/21/2001 | US20010004003 Die surface of the press forming die is shaped by press forming, simplification; die, punch and assembly are suitable for press forming a blank material into a product panel |
| 06/12/2001 | US6246922 Automatic computer controlled programmable multi-purpose apparatus to produce variable design stampings |
| 06/06/2001 | EP1104342A1 A press tool spacer block |
| 06/06/2001 | CN2433126Y Vehicle refocus lamp holder focus plate combination diel |
| 06/06/2001 | CN2433124Y Vehicle headlight positioning plate combination diel |
| 05/31/2001 | DE19956869A1 Process for deforming thin-walled workpieces used in the production of car chassis parts uses a deforming tool provided with a fluid-rejecting coating which is contacted with the workpiece during deformation |
| 05/31/2001 | DE19955518A1 Multi-level forming tool for internal high pressure forming tool for esp. tube sections has tool inserts connected via and moved on guide pillars, and tool carrier plate |
| 05/30/2001 | EP1103320A1 Hemming device |
| 05/30/2001 | EP1103319A1 Negative angle-forming die |
| 05/30/2001 | EP1103318A1 Energizing device for a press die |
| 05/30/2001 | EP1102648A1 Device for forming cutting blade for prints |
| 05/25/2001 | WO2001036128A1 Method of producing tools and dies |
| 05/25/2001 | CA2427921A1 Method of producing tools and dies |
| 05/23/2001 | CN1295895A Mould for forming negative angle |
| 05/17/2001 | DE19955015A1 Tool for producing bowl-shaped workpieces comprises matrix of components whose height can be adjusted |
| 05/15/2001 | US6230536 Negative angle-forming die |
| 05/10/2001 | WO2001033510A2 Method for manufacturing a product having locally specific properties |
| 05/10/2001 | WO2001032329A2 Metalworking apparatus with lubricating and cooling device |
| 05/10/2001 | DE19949554A1 Stamping punch for inserting into a tool holder of a punching machine has a press fit between a holding protrusion and a holding recess |
| 05/10/2001 | CA2389847A1 Method for manufacturing a product having locally specific properties |
| 05/09/2001 | CN2429278Y Drawing die with diamond membrane for manufacturing metal casing for electronic components |
| 05/08/2001 | US6227773 Compact autofeed drill and associated drilling method and apparatus |
| 05/08/2001 | US6227026 Band-blade cutting tool and band-blade working apparatus |
| 05/08/2001 | CA2284509C Turret punch press |
| 04/19/2001 | DE19943250A1 Drawing tool for esp. seat pad frames for motor vehicles has bottom die with inserts of silicon nitride or zircon oxide in parts subjected to wear |
| 04/12/2001 | DE19948002A1 Press, especially press for large-scale deformation has hydraulic force transmission device connected at least temporarily via ram with drive device. |
| 04/12/2001 | DE19944722A1 Tool for transformation of workable metallic workpieces has at least one shape tool part with surface determining form of transformed material |
| 04/11/2001 | EP1089837A1 Tool holder with punching units |
| 04/11/2001 | CN1064281C Method and apparatus for deep stamping |
| 04/10/2001 | US6212934 Recoverable and reusable cold forging dies |
| 04/04/2001 | CN1063990C Manufacture of zinc-based alloy die |
| 04/03/2001 | US6209380 Pin tip assembly in tooling apparatus for forming honeycomb cores |
| 03/28/2001 | CN2424846Y Cold die-stamping frame |
| 03/28/2001 | CN1289274A Application of dry lubricant to forming dies and forging dies |
| 03/27/2001 | US6205901 Quick tool change for punch |
| 03/22/2001 | DE10020231A1 Verfahren zur Kantenbearbeitung und Kantenbearbeitungssystem Method for shaping and trimming system |
| 03/15/2001 | DE19943272A1 Shaping machine has cooling device with at least one cooling channel connected to the base frame(s) or to the tool in a thermally conducting manner |
| 03/13/2001 | US6200246 Gripper element for a punch or a die of a punching machine |
| 03/07/2001 | EP1080802A2 Fastening mechanism in a tool for a hydroforming process |
| 03/07/2001 | CN1286151A Apparatus for forming blade for cutting prints |
| 03/06/2001 | US6196040 Negative angular forming die and pressing apparatus |
| 03/01/2001 | DE19937207C1 Verfahren und Vorrichtung zum automatischen Wechseln eines Werkzeugsatzes bei einer Längsteilanlage, insbesondere einer Spaltanlage Method and apparatus for automatically changing a tool set with a slitting line, especially a split-plot |
| 02/28/2001 | CN2421098Y Electric gantry type mould frame |
| 02/22/2001 | DE19939512A1 Befestigungsvorrichtung in einem Werkzeug zum Innenhochdruck-Umformverfahren Fastening device in a mold for the internal high-pressure forming process |
| 02/21/2001 | CN1062200C Two-step rings billet punching formation and composite die used therein |
| 02/15/2001 | DE19938452A1 Multi-sectional drawing tool of die-casting zinc alloy for sheet steel has additional galvanic surface coating of chromium-containing material |
| 02/08/2001 | WO2001008875A1 Press driving mechanism |
| 02/08/2001 | WO2001008828A1 Tool locking unit in sheet metal bending brakes, in particular for the lower tool |
| 02/08/2001 | CA2375978A1 Tool locking unit in sheet metal bending brakes, in particular for the lower tool |
| 02/07/2001 | EP1074325A1 Method and apparatus for changing sets of cutters |
| 02/06/2001 | US6182552 Holding device for a cage for roll bodies on a pillar of a tool |
| 01/25/2001 | WO2001005532A1 Apparatus for bending a cutting blade |
| 01/24/2001 | EP0868273A4 Ceramic polymer composite tool |
| 01/17/2001 | CN1060692C Stretch controlled forming mechanism and method for forming metal blanks |
| 01/11/2001 | DE19931100A1 Deep drawing die consists of separate parts for forming die surface, with detachable shell mold |
| 01/09/2001 | US6170376 Method for making die boards, and materials and apparatus for practicing the method |
| 01/03/2001 | CN2412676Y Pipe shaping die |
| 12/27/2000 | EP1063030A2 Press device |
| 12/26/2000 | US6164115 Cam slider and a cam unit using the same |
| 12/12/2000 | US6158264 Method of working a band blade |
| 12/07/2000 | WO2000074441A1 Instant heating process with electric current application to the workpiece for high strength metal forming |
| 12/06/2000 | EP1057799A2 Edged ceramic member, a punch for manufacturing a lead frame, a method of manufacturing lead frames and a method of manufacturing an edged ceramic member |
| 12/06/2000 | CN2408986Y Cap shaped bent beam shaping die |
| 11/30/2000 | WO2000071309A1 Self-guiding punch and die set |
| 11/30/2000 | WO2000071308A1 A rotary die board and method for manufacturing same |
| 11/28/2000 | US6151951 Upper tool holding apparatus and upper tool separating method from upper tool holding apparatus |
| 11/28/2000 | US6151938 Dieless forming apparatus |
| 11/15/2000 | CN2405678Y Forging-extruding one-time forming mould for drill bit and drill handle |
| 11/15/2000 | CN1273151A Metal film |
| 11/14/2000 | US6145359 Device for forming cutting blade for prints |
| 11/09/2000 | DE19921176A1 Press for making irregularly curved sheets, contains height adjustable cables as die and stamp |
| 10/31/2000 | US6138342 Multi-stage assembling robot |
| 10/26/2000 | DE19914430A1 Schneidpresse Cutting press |
| 10/25/2000 | EP1046438A1 Die holder |
| 10/25/2000 | CN2402420Y Double sensor die travel monitoring device |
| 10/25/2000 | CN2402419Y Die fixing device |
| 10/25/2000 | CN2402418Y Skin cold-stamping die |
| 10/24/2000 | US6135752 Forming die and managing method thereof |
| 10/24/2000 | US6134938 Forming tools |
| 10/19/2000 | WO2000061337A1 An apparatus for processing a rotary cutting blade |
| 10/19/2000 | WO2000061313A1 Apparatus for folding a cutting blade |
| 10/18/2000 | EP1044739A2 Negative angular forming dies and pressing apparatus thereof |
| 10/12/2000 | WO2000059654A1 Modular tool support element in sheet metal bending brakes |
| 10/12/2000 | CA2368153A1 Modular tool support element in sheet metal bending brakes |
| 10/11/2000 | CN2400197Y Double-coupled gear blank profiling die |
| 10/10/2000 | US6128940 Folding system for a cutting blade |
| 10/04/2000 | EP1040897A2 Cutting press |
| 10/04/2000 | EP1040880A1 Tool centering mechanism in punch press |
| 10/04/2000 | CN1057030C Die-punch machine |
| 10/03/2000 | CA2011218C A device for fixing an elongated part such as a punch, die or similar tool on the platen of a bending-press |
| 09/27/2000 | CN1056790C Punching press apparatus |
| 09/26/2000 | US6122952 Multiple actuation press for metal working and method of metal forming |
| 09/21/2000 | WO2000054908A1 Die boards and method of making |