Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1991-12-03
1993-05-04
Valentine, Donald R.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204224R, 204224M, 204225, 204275, C25D 1700, C25F 700, B23H 906
Patent
active
052078825
ABSTRACT:
An apparatus for electrochemical marking of a flat or arced, preferably cylindrical metallic surface of a workpiece, which is connected to one pole of a voltage source, has a tool provided with a metallic pin, which is connected with the other pole of the voltage source. The pin is held in a tool holder of an electrically non-conducting material, which is movable in relation to the workpiece surface. A liquid electrolyte becomes effective between the tool and the workpiece surface. To make possible by means of such an apparatus the electrochemical marking of metallic surfaces of appropriate workpieces without the tool holder and the workpiece touching, it has been provided that the tool holder is provided on an area of its underside, adapted to the shape of the workpiece surface to be marked, with at least one electrolyte outlet opening, from which the electrolyte emerges under pressure, and that the pin of the tool is disposed, its writing end flush with the area of the underside of the tool holder, close to the electrolyte outlet opening, and that the tool holder is pressed with a preset force towards the workpiece surface to be marked.
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Baublys Saulius
Rommel Ludwig
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