Quick response automatic fire sprinkler head

Details Quick response automatic fire sprinkler head Quick response automatic fire sprinkler head

1985-05-10

1986-06-24

Nase, Jeffrey V.

Fire extinguishers

Sprinkler heads

169 40, A62C 3708

Patent

active

045962898

ABSTRACT:
Fire sprinkler head suitable for mounting in a concealed location in the ceiling in a residential dwelling which provides quick and automatic response in the event of a fire. The valve assembly in the sprinkler head is biased to the open mode and is maintained in the closed mode against a positive force tending to move the valve assembly to the open mode by a valve closure which is separable into its two sections at the onset of a fire and the attainment of a predetermined ambient temperature surrounding the valve closure. The two sections of the valve closure are maintained intact as a unit until the temperature of the fire melts a heat fusible alloy composition.

REFERENCES:
patent: 2871953 (1959-02-01), Bray
patent: 3195647 (1965-07-01), Campbell et al.
patent: 3633676 (1972-01-01), Gloeckler
patent: 4405018 (1983-09-01), Fischer
patent: 4417626 (1983-11-01), Hansen

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