Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent
1974-06-25
1976-07-13
Richman, Barry S.
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
134 18, 134 24, 134 26, 21DIG2, B08B 302, B08B 304
Patent
active
039691330
ABSTRACT:
A restroom is automatically cleaned by moving a vertically disposed spray boom in a manner so as to generally track the interior periphery of the restroom enclosure to spray both the inner sidewall of the enclosure and the fixtures mounted therewithin with cleansing fluid, the fluid then being drained from the enclosure, after which any accumulated vapors are exhausted. Heated drying air is then passed through the enclosure to complete the cleaning cycle.
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patent: 3381312 (1968-05-01), Whitla
patent: 3445286 (1969-05-01), Smith et al.
patent: 3447166 (1969-06-01), Gordon
patent: 3460988 (1969-08-01), Kennedy et al.
patent: 3742520 (1973-07-01), Bernardi
Johansson Sture A.
McTighe Gilbert T.
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