Drain opening device

Details Drain opening device Drain opening device

1976-09-30

1978-06-27

Aegerter, Richard E.

Baths, closets, sinks, and spittoons

Obstruction remover

Connected to a source of external fluid under pressure

2223865, 222494, E03D 1100, B65D 572, B65D 3538

Patent

active

040965970

ABSTRACT:
An apparatus for opening clogged water drains by the force of a high speed water jet. The water is propelled by the manual operation of telescoping two cylinders together thereby reducing their volume. The water-filled cylinders are effectively sealed by the use of flexible plastic membrane.

REFERENCES:
patent: 1869483 (1932-08-01), Knapp et al.
patent: 2184191 (1939-12-01), Lusk
patent: 2235577 (1941-03-01), Evans
patent: 2300319 (1942-10-01), Smith
patent: 2336592 (1943-12-01), Brown
patent: 2846698 (1958-08-01), Tomlinson
patent: 2937795 (1960-05-01), Ciliberti
patent: 3641597 (1972-02-01), David et al.
patent: 3934280 (1976-01-01), Tancredi

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