Self-priming siphon tube for use with a toilet tank and bowl...

Details Self-priming siphon tube for use with a toilet tank and bowl... Self-priming siphon tube for use with a toilet tank and bowl...

2007-01-30

2007-01-30

Le, Huyen D. (Department: 3751)

Baths, closets, sinks, and spittoons

Miscellaneous

Reexamination Certificate

active

11449906

ABSTRACT:
A self-priming siphon tube for maintaining a trickle flow of fluid through a toilet tank reservoir and a toilet bowl. A water supply line is in fluid communication with the tank by virtue of a ball cock valve, the tank reservoir fluidly interconnects with the bowl by an overflow tube. The siphon tube includes an elongated and interiorly hollowed body having first, second and third fluidly interconnecting and parallel extending lengths. An interconnecting end associated with the second and third extending lengths is inserted into the overflow tube and an end of the water supply line connected to an end of the third conduit, causing a trickle flow of fluid to be drawn from the tank reservoir, by vacuum pressure, into the first length, and out into the bowl, the ball cock valve occasionally activating to draw fluid from the supply line into the tank reservoir.

REFERENCES:
patent: 1604759 (1926-10-01), Richards
patent: 3105245 (1963-10-01), Finkbiner
patent: 5381568 (1995-01-01), Warkentin

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