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| Number | Title | Issue Date |
| 7311808 | Device and method for increasing mass transport at liquid-solid diffusion boundary layer A device and method for increasing the mass transport rate of a chemical or electrochemical process at the solid and fluid interface in a fluid cell. The device includes a membrane in close contact with surface of the work piece, to separate the process cell into tw... | 12/25/2007 |
| 7211178 | Fixture for electro-chemical machining On a fixture for electro-chemical machining for the production of long, curved cavities (11) in a component (12), the working electrode (3) of the electro-chemical machining tool (1) is connected to a guide body (1a) which m... | 05/01/2007 |
| 6676826 | Method for production of a rotor for centrifugal compressors A method for production of a rotor for centrifugal compressor, wherein the said rotor is produced from a monolithic disc, which is provided with a central hole. The method consists of use, within an isolating medium, of at least one first electrode which ... | 01/13/2004 |
| 6562226 | Electrochemical machining method An electrochemical machining process gives a workpiece such as a honeycomb panel a 3-dimensional profile form having a varying cross-section perpendicular to an axis of the profile form. In the process an electrode is maintained in a constant position rel... | 05/13/2003 |
| 6532662 | Method for processing dynamic pressure groove of fluid dynamic bearing According to this dynamic pressure groove processing method, dynamic pressure grooves are formed in specified regions by electrochemical machining with the electrode of an electrode tool put close to a workpiece in the initial stage. Through this electroc... | 03/18/2003 |
| 6514400 | Method for producing a fuel cell separator A method for producing a separator in which a recessed gas path is formed. Depth fluctuations of the gas path can be reduced. The gas path having plural depths or gradation can be formed easily. An electrically conductive member 3, as a separator, and a p... | 02/04/2003 |
| 6267868 | Method and tool for electrochemical machining An electrode for use in an electrochemical machining process comprising an outer metal skin of corrosion resistant material, an inner core of conductive material, and an insulating coating disposed on an external surface of the outer metal skin. The exter... | 07/31/2001 |
| 4536264 | Method for electrolytic treatment A method for continuously electrolytically processing a metal web in which the consumption rate of graphite electrodes is remarkably reduced. Auxiliary anodes made of a nonreactive material are provided separately from the graphite electrodes. One half of... | 08/20/1985 |
| 4533444 | Method of electrolytic treatment on the surface of metal web A method of electrolytic treatment on the surface of metal web, such as may be employed to fabricate offset printing plates supports, in which the rate of consumption of graphite electrodes used with the process is remarkably reduced. A current having asy... | 08/06/1985 |
