| Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804) |
|---|
| 12/20/1988 | US4792318 Device for warm press forming a plate-like member into a shadow mask for a color cathode ray tube |
| 12/20/1988 | US4791803 Die-change device for a multi-stage forming machine |
| 12/14/1988 | EP0295171A2 Quick tool mounting system for presses of 20 to 200 tons |
| 12/14/1988 | EP0294765A1 Precision punching machine and associated tool change method |
| 12/07/1988 | CN88105061A Method for prosessing die by coating technique |
| 11/29/1988 | US4787237 Failsafe tool clamping system for press brake |
| 11/23/1988 | EP0292357A1 Method for cutting thin sheets, in particular metal plates, and elastomeric material used in this method |
| 11/17/1988 | EP0162851B1 Antifriction bearing assembly for a die set or the like |
| 11/17/1988 | DE3715201A1 Shaping tool for the three-dimensional deformation of metal parts |
| 10/27/1988 | DE3708368C1 Process for the production of a stamping tool |
| 10/25/1988 | US4779443 Complex pressing die apparatus |
| 10/25/1988 | US4779329 Tool changer for rotatable tool assemblies in punching machines |
| 10/18/1988 | CA1243162A1 Die clamping device |
| 10/12/1988 | EP0286553A1 Clamping apparatus for the releasable fixing of conformation moulds on plates of moulding presses |
| 10/06/1988 | WO1988007420A1 Mold lubricant discharging apparatus for knockout systems |
| 09/15/1988 | DE3707416A1 Device for clamping tools |
| 08/17/1988 | EP0278046A1 Device for stamping complex matrix figures out of a metallic strip |
| 08/16/1988 | US4763422 Device for presetting the tools in a platen press |
| 08/11/1988 | WO1988005809A1 Propoxylated guerbet alcohols and esters thereof |
| 08/04/1988 | DE3249799C2 Spherical rolling element for interchangeable use in a press support block |
| 08/03/1988 | EP0276391A2 Sheet metal working machine with a tool magazine |
| 07/12/1988 | US4756630 For punch presses |
| 07/05/1988 | CA1238816A1 Refractory metal coated metal-working dies |
| 07/05/1988 | CA1238775A1 Multiple processing machine |
| 06/29/1988 | EP0272305A1 Apparatus and method for forming an integral object from laminations. |
| 06/22/1988 | CN85101993B Method of punching corrugated shielding plate for color television kine scope and its apparatus |
| 06/21/1988 | US4752352 Apparatus and method for forming an integral object from laminations |
| 06/21/1988 | US4751860 Method of making blanking die sets |
| 06/15/1988 | EP0270762A1 Press whose base is elastically supported in a vertical direction |
| 05/19/1988 | DE3637566A1 Clamping device for top tools with clamping pins which can be secured under the clamping surface of press rams |
| 05/18/1988 | CN87107126A Hydraulic lifting device for presses |
| 05/11/1988 | EP0266626A2 Lower tool holder for a die or the like |
| 05/11/1988 | EP0266625A2 Upper tool holder for a punch or the like |
| 05/11/1988 | EP0266624A2 Upper tool holder for a punch or the like |
| 05/11/1988 | EP0266623A2 Upper tool holder for a punch or the like |
| 05/10/1988 | US4744036 Microprocessor controlled hydraulic system for clamping a die to a press |
| 05/03/1988 | US4741092 Handling device for changing tools of a cutting press |
| 04/28/1988 | DE3635146A1 Method for the production of a tungsten-carbide punch tip |
| 04/27/1988 | EP0264770A2 Hydraulic lifting device for presses |
| 04/20/1988 | CN87207329U Radial translation device of punch die |
| 03/29/1988 | US4733552 Multi-station punch/die press for progressive strip stock operations at variable index length |
| 03/15/1988 | US4731144 Bonding, deforming metal sheets with honeycomb structure between |
| 03/08/1988 | CA1233634A1 Empirical method for determining the shape of a vehicle body membrane panel |
| 03/02/1988 | EP0257674A2 Punching or stamping machine |
| 03/02/1988 | CN87207544U Shaping die with winch |
| 02/23/1988 | US4726273 Combination press for die-sets |
| 02/23/1988 | US4726270 Removing a punch from a retainer block |
| 02/02/1988 | US4722125 Method for producing a tungsten carbide tip punch |
| 01/27/1988 | CN87200683U Die for manufacture of stainless steel presure pot with top of kitchen range |
| 01/26/1988 | US4721518 Having a cermet base, intermediate metal carbide, nitride or oxide layer, group eight metal alloy mold surface |
| 01/19/1988 | US4719786 Reinforced plastic retainer rings for sheet metal forming and method of making |
| 01/19/1988 | US4719691 Tool change mechanism for punch presses and the like |
| 01/14/1988 | DE3620964A1 Device for transferring heavy loads from one place of storage to another |
| 01/13/1988 | EP0252635A2 Complex pressing die apparatus |
| 01/12/1988 | US4718339 Press with chucking plates for sets of tools |
| 01/12/1988 | US4718161 Press tool comprising interchangeable working parts |
| 01/07/1988 | EP0251287A1 Apparatus for exchanging tool of bending machine |
| 12/31/1987 | CN87201189U Die set for fuel tank of vehicles |
| 12/29/1987 | US4715775 180 degree inverting machine |
| 12/17/1987 | WO1987007538A1 Apparatus and method for forming an integral object from laminations |
| 12/17/1987 | DE3620193A1 Pressing and/or cutting tool clamping device for presses |
| 12/09/1987 | CN86206375U Cold pressing mould for making radiator pieces |
| 11/25/1987 | EP0246838A2 Mould assembly for use in the manufacture of a shadow mask for a colour cathode ray tube |
| 11/25/1987 | CN87103713A Hot-pressing shaping equipment of shadow mask adapted to colour-display tube from plate form part |
| 11/24/1987 | US4708626 Mold assembly |
| 11/18/1987 | CN86209071U Waste-free multiple-piece moulding die for forming elastic check ring of hole |
| 11/17/1987 | US4706532 Cutting equipment with rules |
| 11/17/1987 | CA1229363A1 Antifriction bearing assembly for a die set or the like |
| 11/10/1987 | US4704890 Press tool provided with a system for guiding and relieving a metal strip |
| 11/10/1987 | CA1228961A1 Mold changer for a press preferably an injection molding machine |
| 11/03/1987 | US4703644 Die apparatus having an electromagnetic drive |
| 10/21/1987 | EP0241933A1 Press comprising a frame and a tool consisting of at least two parts |
| 10/20/1987 | CA1228283A1 Tube flaring tool die assembly |
| 09/30/1987 | CN86101869A Fabrication technique and application of fully steel-rimmed epoxy plastic dies |
| 09/29/1987 | CA1227331A1 Press for adjusting and inspecting molds |
| 09/23/1987 | EP0237575A1 Mold assembly |
| 09/15/1987 | CA1226713A1 Press machine |
| 08/19/1987 | EP0232352A1 Punch press |
| 08/13/1987 | DE3703700A1 Stamping press tool unit |
| 07/28/1987 | US4682401 Multiple processing machine |
| 07/21/1987 | US4680955 Die exchange device |
| 06/30/1987 | US4676090 Press machine with an adjustable shut height |
| 06/30/1987 | CA1223466A1 Die clamping arrangement |
| 06/15/1987 | EP0210195A4 Ball-point writing instrument containing an aqueous ink composition. |
| 06/10/1987 | EP0224792A1 Tool-changing arrangement for a multistage metal-forming machine tool |
| 05/19/1987 | US4665607 Machine for working sheet material such as sheet metal |
| 05/19/1987 | CA1221904A1 Press and method of making same |
| 04/28/1987 | US4660406 Die manipulator |
| 04/28/1987 | US4660404 Die manipulator |
| 04/23/1987 | DE3537337A1 Clamping device |
| 04/14/1987 | US4656902 Metal stamping tool with working parts removable while on the machine |
| 04/07/1987 | US4655071 Transfer press with quick change die set arrangement |
| 03/31/1987 | US4653310 Die assembly for use in general type mechanical press machine |
| 03/26/1987 | WO1987001627A1 Mold assembly |
| 03/26/1987 | DE3533062A1 Tool conveying device for machines, especially for presses |
| 03/25/1987 | CN85103983A Process for manufacturing molds and molds made thereby |
| 03/17/1987 | US4649622 Tool changing apparatus for a punch press |
| 03/10/1987 | US4648727 Antifriction bearing assembly for a die set or the like |
| 03/03/1987 | US4646600 Cutting press with tool magazine |
| 02/24/1987 | US4644836 Punch press with vertically reciprocating plunger |