Process for coating a metal article on and at an edge

Details Process for coating a metal article on and at an edge Process for coating a metal article on and at an edge

1979-12-03

1982-03-23

Lusignan, Michael R.

Coating processes

With cutting, holding, severing, or abrading the base

204 15, 204 29, 204 32R, 204 35N, 204 38E, 204181R, 427270, 427290, 427292, 427299, 427307, 427401, 427445, B05D 312, B05D 310

Patent

active

043212905

ABSTRACT:
A metal article is coated on and at an edge thereof where at least two planar surfaces meet. The coating is carried out by initially coating the article at least partially at and on the edge, one surface at the edge is freed from coating in a mechanical way or an edge and a surface free from coating is prepared simultaneously in a mechanical way, as e.g. cutting off or sawing off part of the article. The exposed metal surface is then etched to form protecting coating projections and the etched surface is selectively coated. The article obtained has excellent and uniform resistant properties all over its surfaces.

REFERENCES:
patent: 813618 (1906-02-01), Chapman et al.
patent: 3591414 (1971-07-01), Kono et al.
patent: 3682785 (1972-08-01), Russo

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