Method and apparatus for cleaning the interior surfaces of build

Details Method and apparatus for cleaning the interior surfaces of build Method and apparatus for cleaning the interior surfaces of build

1988-06-29

1990-04-24

Pal, Asok

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2212, 134 32, 134 37, B08B 300

Patent

active

049191594

ABSTRACT:
A method and apparatus for cleaning the interior surfaces of buildings, especially the ceilings of office buildings, involves producing a fine mist of cleaning liquid which is sprayed onto said surfaces. This fine mist is produced by pumping a cleaning liquid from a container by means of a pump which leads to a delivery tube and which produces a pressure of at least 300 psi, the liquid being atomized by a nozzle having a breadth less than 0.020 inches. The amount of liquid passing through the pump is more than 5 times the amount passing through the nozzle, and the remainder of this liquid is returned by a bypass line to the container.

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