Fire screening glazing panels

Details Fire screening glazing panels Fire screening glazing panels

1982-04-15

1984-12-04

Raduazo, Henry E.

Static structures (e.g., buildings)

Irreversibly reactive component

52789, 428 34, B32B 1706

Patent

active

044856016

ABSTRACT:
Fire screening glazing panels comprise at least one layer 2, 6 of intumescent material such as hydrated sodium silicate sandwiched between flat vitreous sheets 1, 3, 7.
To promote fire resistance in a simple and economical way, at least one (and preferably only one) vitreous sheet 1 has a thickness of 6 mm or more, preferably from 7 to 10 mm. The or each other vitreous sheet 3, 7 has a preferred thickness range of 2.5 to 4 mm. The thicker sheet 1 is best located in the interior of a panel with three or more vitreous sheets and it or any other vitreous sheet may be made of boro-silicate or other low expansion or high softening point vitreous material.

REFERENCES:
patent: 3974316 (1976-08-01), Jacquemin
patent: 3997700 (1976-12-01), Jacquemin
patent: 4047351 (1977-09-01), Derner
patent: 4104427 (1978-08-01), Nolte
patent: 4173668 (1979-11-01), Hentzelt
patent: 4190698 (1980-02-01), De Boel
patent: 4203264 (1980-05-01), Kiefer
patent: 4268581 (1981-05-01), De Boel

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