Sprinkler head valve means

Details Sprinkler head valve means Sprinkler head valve means

1984-09-20

1986-09-16

Kashnikow, Andres

Fire extinguishers

Sprinkler heads

137855, A62C 3714

Patent

active

046116656

ABSTRACT:
A valve for sealing closed the fluid supply orifice in a sprinkler head body, comprising a sealing plug having a projection extending axially towards the supply orifice when assembled on the body, a resilient membrane having an annular portion captured over the projection and for compression between the plug and the body to seal the supply orifice, and a tail portion attachable to the body, whereby upon jettisoning of the plug with opening of the supply orifice the plug remains attached to the body by the tail portion at least until the plug is clear of the fluid jet issuing from the orifice.

REFERENCES:
patent: 188309 (1877-03-01), Smith
patent: 338609 (1886-03-01), Nysewander
patent: 4108247 (1978-08-01), Mohler
patent: 4109727 (1978-08-01), Job
patent: 4131135 (1978-12-01), Aleff

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