Firestop stack fitting and coupling combination

Details Firestop stack fitting and coupling combination Firestop stack fitting and coupling combination

1983-11-25

1986-04-22

Weakley, Harold W.

Fluid handling

Processes

137 75, 137362, 285 64, E03D 100

Patent

active

045835659

ABSTRACT:
A stack fitting (10) and coupling (102) combination adapted to be mounted through a floor (104) in a building to prevent the spread of fire through pipe (100, 103) from below the floor is described. The fitting includes a thermally releasable plug (13) mounted in an extension conduit (12) from a main conduit (11) of the fitting which is activated by a fire to allow the plug to move into the main conduit. The fitting is particularly adapted for multi floor buildings where plastic pipe is to be used.

REFERENCES:
patent: 1106427 (1914-08-01), Taylor
patent: 1510813 (1924-10-01), Williams
patent: 1956858 (1934-05-01), Densten
patent: 2128292 (1938-08-01), Finn
patent: 4136707 (1979-01-01), Gaillet
patent: 4139005 (1979-02-01), Dickey
patent: 4313286 (1982-02-01), Harbeke
patent: 4360041 (1982-11-01), Hagan
patent: 4453354 (1984-06-01), Harbeke

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