Plastic sanitary pump

Details Plastic sanitary pump Plastic sanitary pump

1978-05-25

1980-02-05

Artis, Henry K.

Baths, closets, sinks, and spittoons

Obstruction remover

Connected to a source of external fluid under pressure

4256, E03D 1100, E03D 509

Patent

active

041864514

ABSTRACT:
A plastic sanitary pump comprises a cylinder, an elastic disc attached to the bottom of the cylinder, a piston and piston rod, a cap covered on the top of the cylinder and a handle connected with the upper end of the piston rod. All the parts are made of plastic material; therefore, the present invention is light weight and will not rust. It can be operated easily and has excellent effect in releasing the blockage in drain pipe of toilet.

REFERENCES:
patent: 1040276 (1912-10-01), Coleman
patent: 1047726 (1912-12-01), Yoggerst
patent: 1684880 (1928-09-01), Norton
patent: 2128217 (1938-08-01), Anderson
patent: 2456092 (1948-12-01), Storevik
patent: 2697842 (1954-12-01), Meyer
patent: 3641597 (1972-02-01), David et al.
patent: 3934280 (1976-01-01), Tancredi

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