Baths – closets – sinks – and spittoons – Strainer – stopper – plug or closure
Patent
1978-04-07
1980-04-22
Levy, Stuart S.
Baths, closets, sinks, and spittoons
Strainer, stopper, plug or closure
4291, 4293, 13724711, 13724727, 13724741, 285189, E03C 128, F16L 500
Patent
active
041987179
ABSTRACT:
A trap to be installed in a wall leading to a drain comprises an assembly of interfitted modular units, molded or deep-drawn from corrosion-resistant synthetic resin, which include an upwardly open housing of rectangular outline, a conduit with a bottom inlet and a lateral outlet removably inserted in that housing, a catch basket receivable in the housing alongside the conduit, a lid for the housing, and a possible extension interposable between the housing and its lid. The inserted conduit may be provided with an externally manipulable shut-off valve between its inlet and outlet, and/or with a hinged flap serving as a check valve; alternatively, it may have an internal tongue designed to raise its liquid level for a more effective stopping of the escape of sewer gases. One or more extensions may be secured to the housing with the aid of external clamps engaging outer peripheral flanges thereof.
REFERENCES:
patent: 541208 (1895-06-01), Knispel
patent: 1456105 (1923-05-01), Heinkel
patent: 2136945 (1938-11-01), Klein
patent: 2550400 (1951-04-01), Boosey
patent: 2665147 (1954-01-01), Weismann
patent: 2796988 (1957-06-01), Loffler
patent: 2852140 (1958-09-01), Maclaren
patent: 2938437 (1960-05-01), Daley
patent: 3066802 (1962-12-01), Loffler
Levy Stuart S.
Ross Karl F.
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