Apparatus for clearing drains

Details Apparatus for clearing drains Apparatus for clearing drains

1977-05-02

1978-07-04

Artis, Henry K.

Baths, closets, sinks, and spittoons

Obstruction remover

Connected to a source of external fluid under pressure

E03D 1100

Patent

active

040979377

ABSTRACT:
A device for clearing drains has an air reservoir which may be filled from an external source of compressed air, a rubber cup connected by a neck into the base of the reservoir, and a valve stem passing through the neck and connecting a valve member within the reservoir and normally seated on and closing the neck with an actuator member within the cup.

REFERENCES:
patent: 2218050 (1940-10-01), Price
patent: 2267064 (1941-12-01), Wikelund
patent: 2274304 (1942-02-01), Perry
patent: 2300319 (1942-10-01), Smith
patent: 2456092 (1948-12-01), Storevik
patent: 2626404 (1953-01-01), Marks
patent: 2672160 (1954-03-01), Wrabel

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