Drop-out fire vent

Details Drop-out fire vent Drop-out fire vent

1999-03-25

2000-12-19

Friedman, Carl D.

Static structures (e.g., buildings)

Irreversibly reactive component

52 1, 52200, 52 72, 49 1, 49 7, 49 8, E04C 200

Patent

active

061613487

ABSTRACT:
A drop-out fire vent for a building has a plastic dome that softens and loses structural integrity with increasing temperature. However, the dome is prevented from dropping out by an internal trap door controlled by a fusible link that will release at a precise temperature. This allows the vent to be used in combination with sprinkler systems such as ESFR systems that require opening of the vent at a precise temperature after the sprinklers have been triggered.

REFERENCES:
patent: 3731442 (1973-05-01), Kiyoshi
patent: 3788013 (1974-01-01), Veen, Jr.
patent: 3918226 (1975-11-01), Naidus
patent: 4080763 (1978-03-01), Naidus et al.

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