Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1982-09-20
1985-05-07
McCamish, Marion E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427 531, 427 64, 427165, 427270, 427271, 428172, 428206, 428208, 428210, 428212, 428324, 428428, 428446, 428454, B32B 310, B32B 516, B32B 700, B32B 1904
Patent
active
045158673
ABSTRACT:
A dark-colored undercoating is deposited on a desired surface area of a glass workpiece, and a light-colored overcoating is applied upon the undercoating, each coating being dried in less than about 60 seconds. Then a plurality of related marks is recessed through the overcoating by ablation, as with a laser beam. Each of the undercoating and the overcoating is comprised of pigment particles and an alkali silicate binder. Unlike the prior practice, the undercoating contains an operative proportion of mica particles, and the overcoating is essentially free from mica.
REFERENCES:
patent: 4150191 (1979-04-01), Karki
patent: 4323755 (1982-04-01), Nierenberg
patent: 4327283 (1982-04-01), Heyman et al.
Bleacher John N.
Cushman Barry M.
Greenspan LeRoy
Irlbeck Dennis H.
McCamish Marion E.
RCA Corporation
Schwartz P. R.
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