| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
|---|
| 02/28/1990 | EP0355633A1 Device for the treatment of the machining liquid of an electroerosion machine |
| 02/28/1990 | EP0355632A1 Method for the treatment of the machining liquid of an electroerosion machine |
| 02/28/1990 | EP0355631A1 Device for the treatment of the machining liquid of an electroerosion machine |
| 02/28/1990 | EP0355168A1 Device for controlling wire tension and detecting breakage of wire |
| 02/22/1990 | WO1990001390A1 Working of electrically conductive materials by electrical erosion |
| 02/22/1990 | WO1990001389A1 Device for supplying a machining solution to a discharge machining apparatus |
| 02/21/1990 | EP0355079A1 Fastening implement |
| 02/21/1990 | EP0355033A1 Device to attach an object mounted at the end of a cylindrical shank to the coupling part of a coupling device |
| 02/21/1990 | EP0354967A1 Gap voltage detector for wire cut electric discharge machines |
| 02/21/1990 | CN1006865B Dc pulse energy saving power source for electrical processing |
| 02/13/1990 | US4900890 Electric discharge machining method and apparatus for machining a microshaft |
| 02/13/1990 | US4900889 Current supply device for movable electrodes of spark erosion machines |
| 02/08/1990 | WO1990000955A1 A pallet |
| 02/08/1990 | WO1990000950A1 Method of controlling wire tension of a wire-cut discharge machining apparatus |
| 01/24/1990 | EP0351836A2 Pallet |
| 01/24/1990 | EP0351436A1 Discharge position detector in a wire electrode discharge machine |
| 01/23/1990 | US4896013 Hyperboloid current pick-up for an electrical discharge wire cutting machine |
| 01/23/1990 | US4896012 Low friction wire guide for electrical discharge machine |
| 01/16/1990 | US4894504 Method apparatus for generating multiple sparks for an electrical discharge wire cutting machine |
| 01/11/1990 | WO1990012672A1 Wire electrode supplying apparatus for wire electric discharge machines |
| 01/11/1990 | WO1990000103A1 Method and apparatus for generating multiple sparks for an electrical discharge wire cutting machine |
| 01/03/1990 | EP0349372A1 Device for the control of the motion of a tool such as in particular an electroerosion electrode |
| 01/03/1990 | EP0348594A1 A wire electrode for wire cut electric discharge machining |
| 01/03/1990 | EP0348534A1 Wire-cutting machine for electroerosion machining |
| 01/02/1990 | US4891487 Electrode return control for electric spark machine |
| 01/02/1990 | US4891486 Device for feed control of electrode-tool in spark erosion machines |
| 01/02/1990 | US4891485 Device for fastening an EDM tool in plural orientations |
| 12/28/1989 | WO1989012523A1 Electrical discharge machining electrode |
| 12/27/1989 | EP0348301A1 A device and method for confirming that a wire electrode for a wire cutting discharge machine has penetrated a wire guide section on a wire take-out side |
| 12/27/1989 | EP0347716A1 Electrical discharge machine |
| 12/19/1989 | US4888462 Device and process for machining by electroerosion |
| 12/13/1989 | EP0111001B1 Wire cut discharge machine apparatus |
| 12/07/1989 | DE3917913A1 Electrodischarge wire cutting apparatus |
| 12/06/1989 | CN2048803U Wire reel with ultra-large coning for quick-feeding electrospark cutter |
| 12/05/1989 | US4885449 Electric discharge machine |
| 11/30/1989 | WO1989011372A1 Device for supplying a wire electrode for a wire-cut discharge machining apparatus |
| 11/30/1989 | WO1989011371A1 Device and process for continuous adaptive control for an edm-wire cutting machine |
| 11/29/1989 | EP0343255A1 Method for detecting machining conditions of a wire-electrode discharge machine |
| 11/28/1989 | US4883934 Machine using a wire for use in electroerosion |
| 11/28/1989 | US4883933 Traveling wire electroerosion machine |
| 11/23/1989 | EP0342698A1 Method for the controlled retraction of a sinking electrode in an electroerosion machine |
| 11/16/1989 | WO1989010816A1 Wire breakage position detector |
| 11/16/1989 | DE3815576A1 Funkenerosionsmaschine EDM machine |
| 11/14/1989 | US4880957 Wire-cut electrical discharge machine with electric shock preventer |
| 11/08/1989 | EP0340569A1 Machining method for planetary eroding |
| 11/08/1989 | EP0340312A1 Wire connection completion detector |
| 11/08/1989 | EP0340308A1 Large taper machining method using wire electric discharge machine |
| 11/02/1989 | WO1989010229A1 Method and apparatus for wire recovery |
| 11/02/1989 | WO1989010228A1 Wire recovery method |
| 11/01/1989 | CN1036721A Servocontrol device for erosion machine |
| 10/31/1989 | US4877935 Wire cut electrodischarge machine tool |
| 10/24/1989 | US4876429 Device for retaining tools or workpieces having a cylindrical shaft |
| 10/19/1989 | WO1989009672A1 Wire cut electric discharge machining method |
| 10/11/1989 | EP0335986A1 Wire driving apparatus for wire electric discharge machines |
| 10/04/1989 | EP0335366A1 Method for the digital control of the travel curve in an electroerosion machine |
| 10/04/1989 | EP0334971A1 Wire electrode for electroerosion cutting |
| 09/26/1989 | CA1260968A1 Apparatus for clamping non-rotating work pieces |
| 09/21/1989 | WO1989008526A1 Wire electrode guide apparatus for wire cut electric discharge machine |
| 09/20/1989 | EP0333170A1 Servo control for an erosion machine |
| 09/20/1989 | CN1035632A Current supply device for movable electrodes of spark erosion machines |
| 09/19/1989 | US4868760 Wire electric discharge machining control apparatus |
| 09/19/1989 | US4868363 Apparatus for supplying a working fluid in an electric discharge machine |
| 09/06/1989 | EP0330752A1 Superhigh-strength superfine wire, and reinforcing materials and composite materials incorporating the same |
| 09/05/1989 | US4864091 Servocontrol device for an erosion machine |
| 08/30/1989 | EP0329740A1 Drive mechanism for producing planetary motion |
| 08/30/1989 | EP0148958B1 Tapering method for wire-cut electric discharge machining |
| 08/30/1989 | EP0146635B1 System for controlling retraction of electrode of electric discharge machine |
| 08/30/1989 | CN1035072A Dc pulse energy saving power source for electrical processing |
| 08/29/1989 | US4862095 Wire electrode breakage detection method and apparatus |
| 08/24/1989 | WO1989007506A1 Wire withdrawal structure for wirecut electric discharge machine |
| 08/24/1989 | WO1989007505A1 Wirecut electric discharge machine |
| 08/24/1989 | WO1989007504A1 Method of preparing nc data |
| 08/24/1989 | WO1989007503A1 Edm machine with wire electrode, provided with continuous-control device |
| 08/23/1989 | EP0329142A1 Current supply device for the moving electrodes of electroerosion machines |
| 08/23/1989 | EP0328682A1 Wire feeder |
| 08/23/1989 | EP0328657A1 Automatic programming method |
| 08/23/1989 | CN1034883A Machining method of polycrystalline diamond by using mechano-electrical pulse |
| 08/22/1989 | US4859824 Electrospark machine system, assembly for use with system, device for mounting electrospark machining electrode, and method of shaping a workpiece |
| 08/22/1989 | US4859324 Apparatus for filtering machine liquid of an electroerosion machine |
| 08/15/1989 | US4857688 Machining fluid supply controlling system for a wire cut electrical discharge machine |
| 08/15/1989 | US4856777 Simulator toy |
| 08/10/1989 | WO1989007033A1 Initial hole machining unit for wire cut electric discharge machines |
| 08/10/1989 | WO1989007032A1 Gap voltage detector for wire cut electric discharge machines |
| 08/10/1989 | WO1989007031A1 Device for controlling wire tension and detecting breakage of wire |
| 08/10/1989 | WO1989007029A1 Electric discharge machining apparatus preventing electrolytic corrosion by short-circuit detection voltage |
| 08/08/1989 | US4855558 Clamping device for a tool at a machine tool, particularly at a die sinking electric discharge machine |
| 08/02/1989 | EP0326349A2 Patterned plastic optical components |
| 08/01/1989 | US4853512 Spark erosion machining apparatus |
| 07/25/1989 | US4851634 Device for electrical discharge piercing of holes in components |
| 07/25/1989 | US4851633 Process and apparatus for employing electroerosion |
| 07/13/1989 | WO1989006173A1 Corner shape setting method in wire cut machining |
| 07/11/1989 | US4847463 Method for the electroerosive machining of electrically slightly or non-conductive workpieces, as well as electroerosion machine for performing the method |
| 07/11/1989 | US4845835 Tool-change and workpiece-change apparatus |
| 07/05/1989 | EP0323440A2 Device for determining the flushing pressure of a wire-cut electroerosion machine |
| 07/05/1989 | CN1033588A Apparatus for filtering machining liquid of electroerosion machine |
| 07/04/1989 | US4845607 Dual input voltage power source for selectively switching between voltage doubler rectification and full-wave rectification functions |
| 06/29/1989 | DE3840086A1 Device for the automatic clamping of a tool electrode |
| 06/28/1989 | EP0321751A2 Electroerosion machine comprising a filtration device for the working liquide |
| 06/28/1989 | CN2040017U Numerical control rotation electric spark processing machine |
| 06/27/1989 | US4843203 Taper cutting control method and control system in wire-cut electric discharge machine |