Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1982-02-11
1983-07-05
Tufariello, T. M.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204275, 204 5, C25D 2112, C25D 110
Patent
active
043916945
ABSTRACT:
Apparatus in plants, particularly for use in making master phonograph records and the like.
In plants (FIG. 1) for galvanic processing in making master phonograph records, the apparatus in accordance with the invention comprises an arrangement of the receptacle (12) containing anode material (16) such that the electrolyte (2) is constrained (19, 35) to a given extent to flow through the receptacle in a direction from the surrounding liquid in a processing tub (1). The receptacle (12) is connected to an outlet (35) for liquid such that there is always a level (37) of liquid in the receptacle lower than the level thereof in the tub. By means of the liquid flow there is gained that particles which may be liberated from the anode material are not carried over to the object on which electro deposition takes place.
REFERENCES:
patent: 2675348 (1954-04-01), Greenspan
patent: 3186932 (1965-06-01), Gelfand
patent: 4269669 (1981-05-01), Soby
AB Europa Film
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Tufariello T. M.
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