Process of electroforming a screen, more particularly a cylindri

Details Process of electroforming a screen, more particularly a cylindri Process of electroforming a screen, more particularly a cylindri

1981-04-15

1983-05-17

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 24, C25D 108, C25D 700

Patent

active

043838960

ABSTRACT:
Metal screen comprising ribs and apertures and process of electrolytically forming a metal screen by forming in a first electrolytic bath a screen skeleton upon a matrix provided with a separating agent, such as beeswax, stripping the formed screen skeleton from the matrix and subjecting the screen skeleton to an electrolysis in a second electrolytic bath in order to deposit metal onto said skeleton. The second electrolytic bath contains an organic compound having at least one unsaturated bond not belonging to a ##STR1## group. Preferred organic compounds are a butyne diol or an ethylene cyanohydrin. The screen is preferably a cylindrical screen.

REFERENCES:
patent: 2226381 (1940-12-01), Norris
patent: 2226384 (1940-12-01), Norris
patent: 4108740 (1978-08-01), Wearmouth
Modern Electroplating, Edited by Frederick A. Towenheim, 1974, pp. 296-306.

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