Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1987-06-30
1992-03-17
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
13724735, F16K 1300, E03C 1284
Patent
active
050955535
ABSTRACT:
A spill free cleanout type sink trap that includes a cover sealingly and detachably mounted on a container and respective individual inlet and outlet conduits spaced apart laterally from one another. In one embodiment the conduits both project downwardly below the cover into the container in which case, during use, the water level in the container is spaced from the cover. This is an air space and of sufficient volume as to receive and hold the liquid, normally retained in the conduits, when the seal between the cover and container is broken. In another embodiment, the cover is spaced downwardly from the upper edge of the container whereby during use, the water is confined to the bottom portion of the container. The container above the cover has sufficient volume to receive and hold the liquid normally retained in the conduits when the seal between the cover and the container is broken. A spill free trap is also provided using a combination of the two foregoing features, i.e. having a portion of the liquid free volume internally of the trap and the remaining portion externally of the trap.
REFERENCES:
patent: 1210201 (1916-12-01), Perkins
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