Method of coating surface

Details Method of coating surface Method of coating surface

1974-03-15

1976-04-13

Husack, Ralph

Coating processes

With post-treatment of coating or coating material

Heating or drying

427385, 427409, 427414, 427420, 427435, B05D 138

Patent

active

039505790

ABSTRACT:
The method of forming relatively thick deposits of polymeric material on a surface of small threaded articles which comprises forming a thin coating on the surface of a solution of the polymeric material, at least partly drying the coating to eliminate some or all of the solvent for the polymeric material, applying a barrier coating to the polymeric material to protect it from attack by solvent, and applying a second thin coating of a solution of the polymeric material. The operation may be repeated as necessary to build up the required thickness of deposit. Coating is by successive immersions in baths of the polymeric solution separated by immersion in baths of the barrier material, or by other bulk treatment therewith, followed by partial drying before subsequent immersions and final drying after the last immersion.

REFERENCES:
patent: 3022197 (1962-02-01), Jedlicka
patent: 3282729 (1966-11-01), Richardson et al.
patent: 3468099 (1969-09-01), Vogt
patent: 3508947 (1970-04-01), Hughes
patent: 3524756 (1970-08-01), Signorino
patent: 3637418 (1972-01-01), Dotson et al.
patent: 3676191 (1972-07-01), Bond
patent: 3819405 (1974-06-01), Engle
patent: 3826673 (1974-07-01), Batson et al.

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