Extendible ballcock

Details Extendible ballcock Extendible ballcock

1976-04-12

1978-10-31

Schwadron, Martin P.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

137441, 137451, 285 81, 285 89, 285162, 285343, 285355, 285356, F16k 3118

Patent

active

041228626

ABSTRACT:
An extendible ballcock assembly including a support pipe threaded at its lower end for partial receipt in a support fitting.
The support fitting furthermore includes a peripheral cavity in the upper end thereof adapted to receive a toroidal seal. The seal includes a threaded interior surface conformed to the support pipe threads and is compressed into the fitting by a compression nut. At the upper end the support pipe terminates in a valve assembly which includes antisiphoning provisions.

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patent: 3540065 (1970-11-01), Gidner et al.
patent: 3556132 (1971-01-01), Suffron et al.
patent: 3701548 (1972-10-01), McGuire
patent: 3797518 (1974-03-01), Holm et al.

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