Wall mountable vacuum breaker

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line

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Details

137359, 137360, F16K 2404

Patent

active

045081379

ABSTRACT:
A wall mountable vacuum breaker is disclosed. In one embodiment, there is an escutcheon mountable against the wall over a wall opening, the escutcheon having openings alignable with fluid supply and outlet pipes which terminate near the opening. There are also a pair of couplings connectable to the respective pipes through the escutcheon, with at least one of the couplings being shaped so as to bear against an outwardly facing surface of the escutcheon when the coupling is connected to the pipe. This holds the escutcheon against the wall. A fastener is provided to connect the main valve body to the respective couplings. In an especially preferred embodiment, there is provided a decorative shroud that is removably mounted to the valve body so as to enclose the valve body and the fastener.

REFERENCES:
patent: 886888 (1908-05-01), Stewart
patent: 1214220 (1917-01-01), Regar
patent: 1537194 (1925-05-01), Rogers
patent: 1725987 (1929-08-01), Kersten
patent: 2684082 (1954-07-01), Bletcher
patent: 3105707 (1963-10-01), Jacobson
patent: 3155106 (1964-11-01), Baron
patent: 3180352 (1965-04-01), Kersten et al.
patent: 3286721 (1966-11-01), Cravits
patent: 3724487 (1973-04-01), Hunter
patent: 4080980 (1978-03-01), Hunter
patent: 4326671 (1982-04-01), Goguen
Two Pages of Kohler Co. Drawings Dated 4-5-66, Depicting the K-13055 Vacuum Breaker, Admitted Prior Art.

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