Drain sealing apparatus

Details Drain sealing apparatus Drain sealing apparatus

1989-07-31

1991-04-02

Marcus, Stephen

Receptacles

Closures

External and internal bar or closure

220251, B65D 4500

Patent

active

050041193

ABSTRACT:
An apparatus for temporarily sealing a vent or overflow aperture provided in the upper portion of a fixture such as a wash basin, sink, bathtub or bidet so that a pneumatic or hydraulic type sewer cleanout device can be used to clear a blockage located in a sewer line downstream of the fixture by generating fluid pressure within the sewer line intermediate the blockage and the main water drain of the fixture.

REFERENCES:
patent: 1676395 (1928-07-01), Korner
patent: 2329037 (1943-09-01), Eisenberg
patent: 2348273 (1944-05-01), Yaggy
patent: 3394834 (1968-07-01), Cigliano
patent: 3874550 (1975-04-01), Gordon

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