Sillcock with water relief system

Details Sillcock with water relief system Sillcock with water relief system

1977-07-27

1979-06-19

Schwadron, Martin P.

Fluid handling

With leakage or drip collecting

137360, 137375, 137551, F16K 3700, F16L 500

Patent

active

041583663

ABSTRACT:
The sillcock includes an inner tubular pipe forming a water-flow passage and an outer tubular pipe cooperating with the inner tubular pipe to form a water relief chamber. When the inner tubular pipe is ruptured as a result of the expansion of ice in the inter-flow passage, water from the source is directed across the open valve of the sillcock into the water-flow passage where it escapes into the water relief chamber through the ruptured opening. The relief chamber is opened to the atmosphere and water emerging therefrom alerts a person to the fact that the inner tubular pipe has ruptured thereby requiring repair or replacement.

REFERENCES:
patent: 239284 (1881-03-01), Weisbarth
patent: 316967 (1885-05-01), Heber
patent: 2952270 (1960-09-01), Fulton et al.

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