Process of manufacturing screen material

Details Process of manufacturing screen material Process of manufacturing screen material

1981-09-28

1983-08-09

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 24, C25D 108, C25D 508

Patent

active

043977154

ABSTRACT:
In a process of manufacturing screen material a metal matrix is subjected to an electrolytic metal deposition by using an electrolytic bath containing a brightener, the liquid of the bath being forced to flow through apertures in the cathode toward the anode. The metal deposits grow substantially perpendicular to the lands of the matrix and so form a screen having apertures of approximately the same size as the apertures of the original matrix. The screen can be removed from the matrix by previously coating the latter with a separating agent such as beeswax.
An installation for performing the process of the invention comprises a perforated cathode as matrix being fixed to cathode fixing means, a perforated anode being fixed to anode fixing means and a pump for providing a forced flow of liquid through the apertures of the cathode toward the anode.

REFERENCES:
patent: 2226381 (1940-12-01), Norris
patent: 2226384 (1940-12-01), Norris
patent: 2260893 (1941-10-01), Ewing
patent: 3424667 (1969-01-01), Frank
Modern Electroplating Edited by F. A. Towenheim, Third Edition 1974, pp. 296-305.
Plating and Surface Finishing-Dec. 1979, pp. 36-38.

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