Sprinkler head with noncircular throat

Details Sprinkler head with noncircular throat Sprinkler head with noncircular throat

1979-06-29

1981-07-21

Tollberg, Stanley H.

Fire extinguishers

Sprinkler heads

169 39, 239591, A62C 3712

Patent

active

042793092

ABSTRACT:
A fire-protection sprinkler head having a base from which fire-retardant fluid emerges in a stream, a deflector plate spaced from the base for deflecting the stream into a spray pattern, and a throat in the base with a noncircular cross section selected to vary the shape of the stream and thereby vary the spray pattern.

REFERENCES:
patent: 3486700 (1969-12-01), Bristow
patent: 3785560 (1974-01-01), Hruby, Jr.
patent: 3896880 (1975-07-01), Asp
patent: 3937284 (1976-02-01), Young
patent: 4097000 (1978-06-01), Derr

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