Piston type drain clearing apparatus

Details Piston type drain clearing apparatus Piston type drain clearing apparatus

2006-06-20

2006-06-20

Phillips, Charles E. (Department: 3751)

Baths, closets, sinks, and spittoons

Obstruction remover

Piston

Reexamination Certificate

active

07062799

ABSTRACT:
An apparatus for clearing a clog in a pipe that includes a hollow, rigid cylindrical body, the body having a closed end and an open end; a piston disposed in the body for reciprocation therein; a rod attached to the piston and extending through an opening in the closed end of the body; a handle located on an upper portion of the rod; and a seal attached to the open end of the body. In one embodiment, the seal includes at least one flexible flange formed on an external surface thereof.

REFERENCES:
patent: 2001230 (1935-05-01), Wayne
patent: 3934280 (1976-01-01), Tancredi

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