Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent
1984-08-27
1986-02-18
Caroff, Marc L.
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
15 17, 134 221, 210803, 405 74, 405185, B08B 504, B08B 908
Patent
active
045712719
ABSTRACT:
Disclosed is a method of cleaning sediment from the bottom of a large storage container of clean water comprising sanitizing a cleaning person and a suction pump to remove the majority of skin viruses, germs, bacteria and dirt from the surface of his skin and/or apparel and the suction pump; the cleaning person going underwater and slowly submerging; the cleaning person turning on the suction pump before reaching the bottom of the container; the cleaning person removing sediment from a spot on the bottom of the container before any part of his body disturbs the sediment; the cleaning person attaining footing in the clean spot; and the cleaning person removing the remainder of the sediment on the bottom of the container.
REFERENCES:
patent: 867984 (1907-10-01), Lake
patent: 3003169 (1961-10-01), Forrester
patent: 3961393 (1976-06-01), Pansini
patent: 4240173 (1980-12-01), Sherrill
patent: 4314521 (1982-02-01), Lundberg
Benjamin Walter M.
Caroff Marc L.
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