Plumbing fixture

Details Plumbing fixture Plumbing fixture

1979-02-21

1984-11-06

Chambers, A. Michael

Fluid handling

Back flow prevention by vacuum breaking

137216, 4211, 68DIG2, 134186, F16K 2400

Patent

active

044806566

ABSTRACT:
This invention is directed to a plumbing fixture to lessen and to prevent the flow of a liquid, from a source of liquid, flowing to an apparatus such as a washing machine or a dishwasher. More, particularly, this plumbing fixture is directed to lessening the flow of a liquid from a laundry tub to a washing machine or a dishwasher by a syphoning effect. The liquid in the laundry tub is not allowed to flow to the washing machine or a dishwasher by a syphoning action.

REFERENCES:
patent: 1201081 (1916-10-01), Nilson
patent: 2575905 (1951-11-01), Boosey
patent: 2691986 (1954-10-01), Kirby
patent: 2755652 (1956-07-01), Shelton et al.
patent: 2878826 (1959-03-01), Dolenga
patent: 3086543 (1963-04-01), McAuley
patent: 3346887 (1967-10-01), Sommer
patent: 3894302 (1975-07-01), Lasater
patent: 3968815 (1976-07-01), Leggnee Jouve et al.

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