| Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804) |
|---|
| 03/14/1995 | US5397750 Calcium aluminum silicate reinforced with silicon carbide whiskers, metal working pressing tool |
| 03/14/1995 | US5396788 Silicon nitride reinforced with carbon wiskers, production of aluminum cans |
| 02/28/1995 | US5394335 Retrofit auto-indexing system |
| 02/21/1995 | US5390519 Method for manufacturing long products by press working |
| 02/14/1995 | CA2061136C Apparatus for changing work holder in transfer press |
| 02/01/1995 | EP0636450A1 Clamping apparatus |
| 01/26/1995 | WO1995002476A1 Die set manufacture method |
| 01/17/1995 | US5382102 Indexable marking tool for use with a punch press |
| 01/11/1995 | EP0633094A1 Multi-stage automatic press and assembly machine |
| 01/05/1995 | WO1995000267A1 Punching press and die mounting method |
| 12/28/1994 | EP0542820B1 A method of producing tools and dies |
| 12/27/1994 | US5375513 Press installation with slides connected at linking points by connecting rods to a press frame |
| 12/20/1994 | US5373767 Trimming tool for trimming drawn parts and for simultaneous transverse cutting |
| 12/18/1994 | WO1995000266A1 Band plate bending apparatus |
| 12/14/1994 | EP0628362A2 Press tool |
| 12/08/1994 | WO1994027758A1 Coolant spacer ring |
| 12/07/1994 | EP0627273A2 Press tool |
| 11/30/1994 | CN1095649A Rotary forming apparatus and method |
| 11/29/1994 | US5367903 Alkali metal phosphates as drawing aids for metals to form tools or sheets |
| 11/24/1994 | WO1994026508A1 Press forwardly feed die of metallic gasket |
| 11/22/1994 | US5366431 Automated press brake die transfer system |
| 11/16/1994 | CN2182691Y Inflating type pneumatic supporting rod |
| 11/16/1994 | CN2182690Y Die sets equipment for formation |
| 11/16/1994 | CN1026558C Press die |
| 11/15/1994 | US5364328 Metal mould replacing apparatus |
| 11/15/1994 | US5363686 Progressive former |
| 11/09/1994 | CN2182008Y Punched die for hook hole of aluminium alloy window lock |
| 11/08/1994 | US5361660 Method of and apparatus for feeding oil to a turret punch press |
| 11/03/1994 | DE4311154A1 Process and apparatus for the finish-machining of touched-up tools |
| 11/02/1994 | EP0622134A1 Device for greasing strip of plate-like workpieces |
| 10/26/1994 | EP0621094A1 Device for coupling and uncoupling or locking and unlocking of additional or exchangeable pieces like tools, transfer gripper bar sections or the like |
| 10/25/1994 | US5357665 Apparatus for executing hemming process |
| 10/11/1994 | US5354168 In a punch press conbination |
| 10/11/1994 | CA2047339C Rollingly transportable press die apparatus |
| 10/05/1994 | CN1093027A Assembled die and its machining process |
| 09/29/1994 | DE4410483A1 Säulenführungsgestell und Presse zum Antreiben desselben The same die set and press for driving |
| 09/27/1994 | US5350347 Turret punch press |
| 09/21/1994 | EP0615799A1 Method and apparatus for processing material in a progressive die |
| 09/21/1994 | CN2177541Y Die carrier |
| 09/20/1994 | US5347888 Method for forming a bead forming die |
| 09/13/1994 | US5346454 Turret punch press |
| 09/13/1994 | US5345799 Method and device for forming various workpieces |
| 08/30/1994 | US5342276 Turret punch press with a die exchanging device |
| 08/30/1994 | US5341669 Rotary bending tool with continuous lubrication |
| 08/23/1994 | US5341303 Method of developing complex tool shapes |
| 08/16/1994 | US5337631 Method of producing tools and dies |
| 08/16/1994 | US5337594 Arrangement at press line |
| 08/10/1994 | EP0609520A1 Perforator for metal plate |
| 07/28/1994 | DE4302119A1 Machine tool particularly folding press |
| 07/27/1994 | CN1089890A Device at a die cutter |
| 07/19/1994 | US5330409 Cassette changing apparatus for index-feeding machining systems |
| 07/19/1994 | US5330241 Hand apparatus |
| 07/13/1994 | EP0605907A1 A device for processing articles by means off pulling or pushing forces |
| 07/12/1994 | CA2015813C Method of mounting and demounting molds to and from press molding machine |
| 07/06/1994 | CN1025298C Method and device for forming sheet-metal blank,in particular in order to make cathode ray tube mask |
| 07/06/1994 | CN1025297C Method and device for pressing sheet material with deformable punch under ram |
| 07/06/1994 | CN1025296C Method and device for pressing sheet material on elastic forming die |
| 07/05/1994 | US5325755 Punch press |
| 06/22/1994 | EP0489105B1 Process for the improvement of the deep-drawing property of sheet metal or of a sheet metal blank |
| 06/14/1994 | US5320595 Punch press and a tool magazine for the press |
| 06/14/1994 | US5319951 Method for measuring values of parameters inherent in the drawing of pieces of sheet metal |
| 06/07/1994 | US5318496 Method and apparatus for automatically exchanging a punch for a turret punch press |
| 06/07/1994 | US5317894 Quick change insert system |
| 05/31/1994 | US5316390 Guide sleeve with seal, guide post and ball bearing assembly |
| 05/17/1994 | CA1329498C Controlled shot peening |
| 04/21/1994 | DE4234997A1 Gripper rail coupling for press tool change - has clamping lever swivelled to longitudinal axis by longitudinal motion of inner slider with actuation of exchange rail after abutment with bolt |
| 04/20/1994 | EP0592461A1 Device for drawing metallic or plastic coated metallic cans |
| 04/20/1994 | CN2162313Y Varying-arca plate spring crankle forming die |
| 04/13/1994 | CN2161393Y Metal sheet three superimposed layer forming die sets |
| 04/13/1994 | CN2161392Y Perforating die set of window aluminium squeezing type |
| 04/07/1994 | DE4310501C1 Device for controlled greasing of band-shaped workpieces - has bearing blocks, held on base plates via bearing pin |
| 04/05/1994 | US5300159 Method for manufacturing superplastic forming/diffusion bonding tools from titanium |
| 04/05/1994 | US5299848 Tooling comprising tongs with two pivoted arms, with a release system |
| 04/05/1994 | US5299477 Method of selecting a tool in a punching press machine |
| 03/30/1994 | EP0589127A1 Leaf spring cambering apparatus |
| 03/22/1994 | US5295938 Arrangement for tool magazines for sheet metal working machines |
| 03/17/1994 | WO1994005442A1 Can tooling components |
| 03/15/1994 | US5293767 Machine tool |
| 03/02/1994 | EP0272305B1 Apparatus and method for forming an integral object from laminations |
| 03/02/1994 | CN2157839Y Fast filling and fast ohanging apparatus for die set of punch press |
| 03/01/1994 | USRE34555 Guide sleeve, guide post and improved ball bearing assembly |
| 03/01/1994 | US5290140 Cart for dies with pneumatic and hydraulic powered devices |
| 03/01/1994 | US5290107 Guide post, guide sleeve and improved air impulse rotary ball cage assembly |
| 02/23/1994 | EP0583537A1 Arrangement enabling variably oriented punching with each tool in a multiple tool holder |
| 02/23/1994 | CN2156964Y Combined stamping die |
| 02/23/1994 | CN2156961Y Rounding type expanding mould |
| 02/21/1994 | CA2087575A1 Arrangement enabling variably oriented punching with each tool in a multiple tool holder |
| 02/09/1994 | EP0582093A1 Blank feeding device for a press |
| 02/09/1994 | CN2155281Y Stamping die set for producing aluminium sheet products |
| 02/08/1994 | US5284390 Guide post, guide sleeve and modified ball bearing assembly |
| 02/02/1994 | EP0581008A2 Press installation |
| 01/26/1994 | CN2154136Y Warcy stamping mould |
| 01/26/1994 | CN2154135Y Self-grip clip of circumferencial havling |
| 01/25/1994 | US5281511 Process for producing an embossing die in roll form |
| 01/25/1994 | US5280715 For connecting a movable lifting device to a metal working tool |
| 01/19/1994 | EP0579119A1 Redraw carriage for crank and slide press |
| 01/12/1994 | EP0578514A1 Metal mould replacing apparatus |
| 01/11/1994 | US5277687 Press tool interchanging apparatus |
| 01/11/1994 | US5277047 Conversion system tooling heater |
| 01/05/1994 | EP0576928A1 Press installation with longitudinal bolsters |