Fireproof glass windowpanes

Details Fireproof glass windowpanes Fireproof glass windowpanes

1974-09-13

1976-10-05

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

65 65R, C03C 304, C03C 308, C03B 2900

Patent

active

039842525

ABSTRACT:
Fireproof glass, or glass ceramic in a form suitable for use as windowpanes, which will withstand heating in accordance with DIN (German Industrial Norm) 4102 (1970 edition), standard temperature curve I, and having a compressive prestress in the peripheral portion thereof. The glass, or glass ceramic is such that the product of the thermal expansion coefficient, .alpha., and the modulus of elasticity, E, is 1 to 5 kp .times. cm.sup..sup.-2 .times. .degree.C.sup..sup.-1.

REFERENCES:
patent: 2068801 (1937-01-01), Hood
patent: 3008841 (1961-11-01), Tiede
patent: 3243335 (1966-03-01), Faile
patent: 3298553 (1967-01-01), Lusher
patent: 3326703 (1967-06-01), Harrington
patent: 3420685 (1969-01-01), Martin
patent: 3673049 (1972-06-01), Giffen et al.
patent: 3784386 (1974-01-01), Araujo
patent: 3784387 (1974-01-01), Sack
patent: 3806400 (1974-04-01), Laethem

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