Chemical closets

Details Chemical closets Chemical closets

1975-07-30

1977-07-12

Artis, Henry K.

Baths, closets, sinks, and spittoons

Dry closets

With heating meas

4 10, 4 85, 4116, A47K 1102, A61L 1100

Patent

active

RE0292974

ABSTRACT:
A flushing unit for a chemical closet comprises a reservoir for flushing fluid and means for circulation of flushing fluid between the reservoir and a lavatory pan or bowl of a chemical closet. Provision is made so that the return conduit from the lavatory pan to the reservoir will not admit at any time solid material deposited in the lavatory pan. Passage of liquid deposited in the lavatory pan therefrom to the reservoir is generally prevented by ensuring that the return conduit is incapable of allowing the free flow therethrough of liquid except during transfer of flushing fluid to the lavatory pan or chamber. The return conduit can take the form either of a narrow bore tube through which liquid can only be passed under suction, or can be of wider bore having a suitable valve therein.

REFERENCES:
patent: 2224868 (1940-12-01), Houck et al.
patent: 3289214 (1966-12-01), Corliss
patent: 3418664 (1968-12-01), Carmichael et al.
patent: 3557388 (1971-01-01), Bach
patent: 3609772 (1971-10-01), Howard
patent: 3611446 (1971-10-01), Howard
patent: 3611447 (1971-10-01), Howard

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