Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23H - Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool; Such working combined with other forms of working of metal › B23H 3 - Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
Patents for B23H 3 - Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte (1,991)
10/1991
10/30/1991EP0454081A2 Electrochemical machining process and electrochemical machining equipment
10/02/1991EP0177619B1 Method of displaying machining shapes in a wire discharge machining apparatus
09/1991
09/24/1991US5051157 Spacer for an electrochemical apparatus
09/11/1991EP0445679A2 Method and apparatus for fabricating electrically conductive probe heads
09/03/1991US5045161 Method and apparatus for electrolytically assisting the mechanical shaping of a workpiece
09/02/1991WO1991012918A1 Electrolytic finishing method
09/02/1991CA2053905A1 Electrolytic finishing method
08/1991
08/14/1991EP0441154A2 Apparatus and method for self induced repair of circuit shorts and near-shorts
07/1991
07/30/1991US5035788 Electrochemical drilling apparatus
07/03/1991EP0197160B1 Method of machining by electroerosive wire-cut discharge
07/02/1991US5028303 Controlling The Current Density
06/1991
06/18/1991US5024725 Localized etching in gas or liquid phase
06/11/1991US5022955 Apparatus and method for self-induced repair of circuit shorts and near-shorts
05/1991
05/14/1991US5015347 Electrolytic finishing method
05/08/1991EP0426233A1 A process for manufacturing an impeller or a rotor having one or more blades for a turbine pump by means of electrical discharge machining, and articles so obtained
05/02/1991WO1991005627A1 Rotary cathode
05/01/1991CN2075999U Pocket electronic lettering device for metal
04/1991
04/19/1991CA2027366A1 Electrochemical etching apparatus
04/17/1991EP0422248A1 Method of predicting short-circuiting in electrolytic machining
04/02/1991US5004529 Electrochemical etching apparatus
04/02/1991US5004528 Method and apparatus for electro chemical machining
03/1991
03/26/1991US5002643 Electrode with outside flow of electrolyte for electrochemical machining and method
03/20/1991EP0347417B1 Process for the production of moulds for producing replacement tooth parts
03/12/1991US4999093 Retracted and machining positions; interleaving fingers; turbine blades
03/05/1991US4997534 Electrochemical machining with avoidance of erosion
02/1991
02/20/1991CN1049304A Method of making metal bends
01/1991
01/22/1991CA1279290C Electrochemical machining technique and apparatus
12/1990
12/12/1990EP0401882A2 ECM machine with mechanisms for venting and clamping a workpart shroud
11/1990
11/28/1990EP0399129A1 Ultrasonic machining method
11/14/1990EP0397449A1 Electrode support structure
10/1990
10/24/1990EP0393192A1 Device for electrochemical treatment of articles
10/18/1990WO1990011863A1 Method of predicting short-circuiting in electrolytic machining
10/03/1990EP0389639A1 Centering method in an electrolytic finishing apparatus
09/1990
09/11/1990US4956060 Finishing method employing electro-chemical machining, and an electro-chemical finishing machine
08/1990
08/22/1990EP0383543A1 Electro chemical machining
08/01/1990CN1044308A Apparatus for electrochemical treatment of products
07/1990
07/17/1990US4941955 Forming thin metal foils from metal sheets, positioning electrodes, electrolytes flowing over surfaces
07/04/1990EP0376581A1 Electrolytic finishing method
06/1990
06/27/1990CN1043352A Electrochemical erasing-cutting method and cathodic erasing head thereof
06/26/1990CA2006138A1 Electrolytic finishing method
04/1990
04/04/1990CN2055419U Precipitating deslagging and solution feeding device for electrolyte
03/1990
03/22/1990WO1990002625A1 Centering method in an electrolytic finishing apparatus
03/03/1990WO1990004665A1 Device for electrochemical treatment of articles
12/1989
12/06/1989CN2048802U Exhaust, spray, air-filter and cooling equipment for electrolysis processing
12/05/1989US4885066 Electrolytic finishing method
11/1989
11/28/1989US4883568 Electrochemical machining, adjusting gap between workpiece and electrode
11/14/1989US4880516 Electro-chemical machine
11/14/1989US4880509 Electrolytic finishing method and apparatus
10/1989
10/11/1989EP0336777A1 Electrolytic method of surface treatment
09/1989
09/05/1989US4863579 Power supply system for electrolytic processing apparatus
08/1989
08/29/1989US4861450 Power supply system for electrolytic processing apparatus
08/23/1989EP0328763A1 Finishing method employing electro-chemical process
07/1989
07/25/1989US4851090 Method and apparatus for electrochemically machining airfoil blades
07/19/1989EP0324142A1 Finishing method employing electrochemical machining and an electrochemical finishing machine
06/1989
06/27/1989US4842702 Electrolytic machining for surfaces having a three-dimensional shape; two stage process
05/1989
05/03/1989EP0314498A2 electrolytic finishing method
04/1989
04/12/1989CN2035760U Electrolytic engraving device for seal
04/11/1989US4820390 Apparatus and method for continuous electrochemical machining of strip material
04/11/1989CA1252416A1 Electrochemical machining metal-ceramic composite material using a porous electrode
03/1989
03/22/1989EP0308246A1 Electrolytic finishing method
03/21/1989US4814052 Method for the electrochemical processing of workpieces
01/1989
01/24/1989US4800006 Three-dimensional, high speed
01/10/1989US4797189 Pressure balanced sealing pistons for cathodes in an electrolyte chamber
12/1988
12/28/1988EP0296476A2 Electro-chemical machine
11/1988
11/30/1988CN88101311A Electrodes for electrochemically machining airfoil blades
11/30/1988CN88101230A Method and apparatus for electrochemically machining airfoil blades
11/23/1988EP0292214A1 Electrodes for electrochemically machining blades
11/23/1988EP0292213A1 Method and apparatus for electrochemically machining bladed disks
11/02/1988EP0289215A2 Electrolytic finishing system
11/02/1988EP0289168A1 Electrolytic treatment
10/1988
10/12/1988EP0286275A1 ECM machine with mechanisms for venting and clamping a workpart shroud
10/11/1988US4776934 Using alkali metal chlorates and dichromates to form decomposable protective coating
10/11/1988US4776933 Dividing electrolyte stream, flowing of anodic stream along surface
10/05/1988CN87210609U Electrolytic machine for removing burr of long fuel spray nozzle
09/1988
09/20/1988US4772372 Accurate forming of both leading and trailing edges in single operation
09/15/1988DE3706769A1 Verfahren zur herstellung von formen fuer die herstellung von zahnersatzteilen Process for the manufacture of molds for the manufacture of dentures Share
09/07/1988WO1988006429A1 Process for the production of moulds for producing replacement tooth parts
08/1988
08/31/1988CN87217198U Etching head for deep electrolytic etch marking
08/02/1988US4761214 Electrolyte chamber; central hub with radial symmetry and radial appendages; airfoils
07/1988
07/12/1988US4756812 Electrical connector and clamp mechanism for ECM workpart shaft
07/06/1988EP0273380A2 Power supply system for electrolytic processing apparatus
06/1988
06/21/1988US4752366 Reduction of over-cutting on workpart surface
05/1988
05/24/1988US4746413 Process for regenerating and detoxifying electrolytes used in the electrochemical treatment of metal
05/04/1988EP0266180A2 Electrolytic finishing method
04/1988
04/12/1988US4737250 Containing sodium nitrate by adding ferric nitrate to precipitate metal hydrolyzates in coarse flocculant form
04/05/1988US4735695 Controlling fluid flow
03/1988
03/23/1988CN86108056A Multi-axis electrochemical machining machine useful for machining airfoils
03/16/1988EP0259691A2 Electrode carrying head for electrochemical machining
12/1987
12/29/1987CA1230845A1 Process and apparatus for treating sodium-nitrate- containing electrolytes in electrochemical cleaning
12/16/1987EP0249552A1 Electrochemical rifling of gun barrels
12/15/1987US4713517 Cut contour display method in wire electric discharge machine
11/1987
11/25/1987EP0247022A2 Process for electrochemically machining cutting tools made from high-speed steel or hard metals
11/10/1987US4705615 Electrode arrangement for the electrochemical metal erosion process for producing a tooth system
11/10/1987CA1229067A1 Device for electropolishing the inner surface of hollow cylindrical bodies
11/03/1987US4704073 Swash-plate type rotary compressor with lubrication of swash plate and peripheral parts thereof
10/1987
10/28/1987EP0242421A1 Method and apparatus for electrochemical polishing and pickling
09/1987
09/30/1987CN86108074A Electrolyte chamber with cathode sealing means for ecm machining
09/30/1987CN86107838A Electrochemical machining tool able to set workpiece at a slant and with grooved cathod
09/01/1987US4690737 In an elongater sealing pressure tube;
08/1987
08/26/1987CN86108055A Electrical continuity clamp for ecm machine
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