Method of forming glass seal

Details Method of forming glass seal Method of forming glass seal

1982-10-06

1984-09-18

Woo, Jay H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156322, 156634, 427307, 428432, 428467, 428702, B32B 3100

Patent

active

044722230

ABSTRACT:
In the process of making a direct glass seal to stainless steel containing chromium, the steel having been annealed in a reducing atmosphere, a chromium-depleted layer of the surface of the steel is removed to expose core material containing sufficient chromium to produce a chromium oxide film, a chromium oxide film is formed and glass is bonded to the metal along the chromium oxide film.

REFERENCES:
patent: 2502855 (1950-04-01), Kingston
patent: 2690402 (1954-09-01), Crehan
patent: 3193424 (1965-07-01), Scott
patent: 3510343 (1970-05-01), Twells
patent: 4296275 (1981-10-01), Bowsky

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