Valve assembly for sprinkler head

Details Valve assembly for sprinkler head Valve assembly for sprinkler head

1986-10-28

1989-05-16

Peters, Jr., Joseph F.

Fire extinguishers

Sprinkler heads

Collapsible strut

137242, 251332, 251333, A62C 3708

Patent

active

048301159

ABSTRACT:
A valve assembly for use in a sprinkler head comprising a valve seat having a generally frusto-conical surface configuration and an annular rib, a flanged valve member in sealing engagement with said annular rib and having a depending, radially inwardly spaced surface which in cooperation with said annular rib and surface configuration forms a partially enclosed space in which a resilient O-ring is captively held in compressive engagement between the valve seat and valve member.

REFERENCES:
patent: H121 (1986-09-01), Pieczykolan
patent: 2163472 (1939-06-01), Shimer
patent: 2213998 (1960-09-01), Sifkovitz
patent: 2528063 (1950-10-01), Loepsinger
patent: 2989124 (1961-06-01), Lapp et al.
patent: 3200839 (1965-08-01), Gallagher
patent: 4121665 (1978-10-01), Woycheese
patent: 4217961 (1980-08-01), Wotton
patent: 4648459 (1987-03-01), Pieczykolan

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