| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 11/12/1991 | US5064521 Apparatus for electrochemical machining |
| 11/06/1991 | CN1014589B Apparatus for scavenging erosion zone of spark-erosive cutting plants |
| 10/30/1991 | CN1055684A Integrated gapbox for electrosive machining apparatus |
| 10/30/1991 | CN1055683A System for control of flushing flow in spark discharhe machine |
| 10/23/1991 | EP0193610B1 Wire cutting discharge processing machine |
| 10/17/1991 | WO1991015326A1 Inverter-controlled device for cooling cutting fluid |
| 10/17/1991 | WO1991015325A1 Liquid level regulator of discharge machining tank |
| 10/17/1991 | WO1991015324A1 Method of removing cut-away piece in electric discharge machining and device therefor |
| 10/16/1991 | EP0451350A2 Contact detecting device for positioning relatively movable elements |
| 10/16/1991 | EP0451305A1 Method of electroerosion |
| 10/16/1991 | CN1014305B Spark eroder with fixed machine table and lowerable working container for dielectric |
| 10/15/1991 | US5057663 Automatic wire extension method |
| 10/15/1991 | US5057662 Electroerosion machine featuring photoelectric sensing means for measuring wire electrode deflection |
| 10/09/1991 | EP0233295B1 Mechanism for feeding wire in wire cut electric discharge machine |
| 10/08/1991 | US5055650 Electrode carrier for electrode-erosion machining device |
| 10/08/1991 | US5055649 Wire electrode supplying device in wire cut electric discharge machine |
| 10/03/1991 | WO1991014799A1 Method for working surfaces on metals |
| 10/02/1991 | EP0449694A1 Electrode holder for electroerosive machining |
| 10/02/1991 | EP0177619B1 Method of displaying machining shapes in a wire discharge machining apparatus |
| 10/01/1991 | US5053598 Wire electrode feeding apparatus |
| 09/25/1991 | EP0229183B1 Wire cut electric spark machine |
| 09/25/1991 | EP0227843B1 Electric discharge machining apparatus of wire-cutting type |
| 09/25/1991 | EP0214295B1 Apparatus for controlling tapering operation of wire-cutting electric discharge processing machine |
| 09/24/1991 | US5051554 Electric discharge machine |
| 09/24/1991 | US5051553 Apparatus for detecting a failure in automatic wire extension |
| 09/21/1991 | CA2038461A1 Electrode holder for spark erosion machining |
| 09/19/1991 | DE4008661A1 Positioning electrode spark-erosion machine - involves alternate probing and step movements of tool across work until tool sinks into cavity |
| 09/18/1991 | EP0446368A1 Machining condition setting method for wire cut discharge machine |
| 09/18/1991 | CN1013940B Method and apparatus for purging eroding zone during electroerosive counter sisnking |
| 09/18/1991 | CN1013939B Spark erosion machine |
| 09/17/1991 | US5049715 Electric discharge machine |
| 09/11/1991 | EP0445296A1 Wire tension control device |
| 09/11/1991 | EP0445295A1 Wire guide assembly of electric discharge machine |
| 09/10/1991 | US5047607 Wire-cutting electric discharge machine with wire sectioning device for wire disposal |
| 09/10/1991 | US5047606 Method and device for calculating an offset direction and a tilt direction of the wire electrode of a wire electro-discharge machining apparatus |
| 09/04/1991 | EP0444609A2 Integrated gapbox for electroerosive machining apparatus |
| 09/04/1991 | EP0444608A2 System for control of flushing flow in a spark discharge (EDM) machine |
| 09/04/1991 | EP0444254A2 Wire electrode threading apparatus for a wirecut electric discharge machine |
| 09/04/1991 | EP0444202A1 Nc data preparation method for coreless machining in wire cut discharge machining |
| 09/04/1991 | EP0444160A1 Device, standard blanks and standardized electrodes for milling by electroerosion. |
| 09/04/1991 | EP0229186B1 Wire cut electric spark machine |
| 09/04/1991 | CN1013748B Machining method of polycrystalline diamond by using mechano-electrical pull |
| 09/03/1991 | US5045663 System for control of flushing flow in a spark discharge (EDM) machine |
| 09/03/1991 | US5045662 Automatic wire feeding method and apparatus for electrodischarge machining |
| 09/03/1991 | US5045661 Wire electrode guide apparatus in a wire-cut electric discharge machine |
| 08/27/1991 | US5043551 Wire cut-type electric discharging method |
| 08/27/1991 | US5043550 Wire cut electric discharge machine |
| 08/22/1991 | DE4104509A1 Tool for stamping paper and plastics sheet - has cutting strip clamped in gap between punch blocks having integral spacing tabs |
| 08/21/1991 | EP0442119A2 Method and apparatus for treating the dielectric used in electrical discharge machining |
| 08/21/1991 | EP0442059A2 Display processing apparatus |
| 08/20/1991 | US5041984 Method of calculating an amount of offset in a wire cut electric discharge machining operation |
| 08/20/1991 | US5041709 Attachment device for electrical discharge machine |
| 08/20/1991 | US5041708 Power supply apparatus for an electroerosion machine |
| 08/20/1991 | CA1287889C Electric discharge machining apparatus |
| 08/14/1991 | EP0440904A1 Method and apparatus for displaying scaled representations on a CRT or other display apparatus |
| 08/13/1991 | US5039834 Apparatus for wire tension control and disconnection detection |
| 08/07/1991 | EP0238670B1 Apparatus for detecting completion of automatic connection of wire electrode |
| 08/06/1991 | US5038012 Electrical discharge process and machining apparatus |
| 08/06/1991 | US5038011 Wire cut electric discharge machining method |
| 08/06/1991 | US5036732 Method for making a cutting element for use in a rotary cutting tool |
| 08/06/1991 | CA1287381C Wire-cut electrical discharge machining equipment |
| 07/31/1991 | CN1013353B Method for adaptive control of operating parameters during spark-erosive cutting and spark erosive cutting plant for same |
| 07/30/1991 | US5036174 Wire electrode supplying apparatus for wire electric discharge machine |
| 07/30/1991 | US5036173 Electrical discharge apparatus with a dielectric fluid assembly |
| 07/25/1991 | WO1991010530A1 Wire tension controlling apparatus |
| 07/25/1991 | WO1991010529A1 Core removing device |
| 07/24/1991 | CN1053204A Electromechanically integrated wire cutting machine |
| 07/23/1991 | US5034589 Electrical discharge apparatus for producing a textured finish on a conductive surface |
| 07/23/1991 | US5034121 Apparatus for preparing a machining liquid of an electroerosion machine |
| 07/16/1991 | US5032701 Wire cutting electric discharge machine with twisted conveyor belts |
| 07/10/1991 | EP0436029A1 Pulse controller of electric discharge machine |
| 07/09/1991 | US5030819 Method and device for numerical control for electroerosion machine |
| 07/09/1991 | US5030818 Composite wire electrode |
| 07/03/1991 | EP0197160B1 Method of machining by electroerosive wire-cut discharge |
| 07/03/1991 | EP0178330B1 Power source for wire cut electrospark machining |
| 07/02/1991 | US5029246 Wire electrical discharge machining apparatus |
| 07/02/1991 | US5028758 Wire cut electric discharge machine |
| 07/02/1991 | US5028757 Sealing structure for use in wire cut electric discharge machining apparatus |
| 07/02/1991 | US5028756 Electrode wire for electric spark cutting |
| 07/02/1991 | US5028755 Spark erosion machine tool |
| 07/02/1991 | US5028319 Apparatus for the preparation of machining liquid for an electroerosion machine |
| 06/27/1991 | WO1991008854A1 Wire piece recovery apparatus |
| 06/26/1991 | EP0433747A1 Wire electrode for spark-erosive cutting and method for his fabrication |
| 06/25/1991 | US5026962 Wire cutting electric discharge machine |
| 06/25/1991 | US5026961 Feed apparatus |
| 06/19/1991 | EP0432350A2 Core removing device for wirecut electrical discharge machining apparatus |
| 06/19/1991 | EP0139763B1 Machining condition setting system for wire-cut electric discharge machine |
| 06/18/1991 | US5025363 Automatic programming method |
| 06/13/1991 | WO1991008078A1 Power supply circuit for electric discharge machine |
| 06/12/1991 | EP0431186A1 Wire cut electric discharge machining method |
| 06/12/1991 | EP0431175A1 Method of operating a wire cut electric discharge machine |
| 06/12/1991 | CN1052074A Composite grinding polisher for wire-drawing die |
| 06/11/1991 | US5023422 Method of and apparatus for forming a slot in a workpiece |
| 06/11/1991 | US5023421 Device for limiting the withdrawal of the electrode of a die sinking machine |
| 06/11/1991 | US5023420 Wire tension controlling method in a wire cut electric discharge machine |
| 06/04/1991 | US5021623 Machining-liquid injection nozzle unit for traveling-wire EDM apparatus |
| 06/04/1991 | US5021622 Wire cut electrical discharge machine |
| 05/30/1991 | WO1991007246A1 Electrode holder for discharge machining |
| 05/28/1991 | US5019684 Wire disconnection position detecting apparatus |
| 05/28/1991 | US5019129 Workpiece holding system |