PORTABLE APPARATUS FOR CLEANING SURFACES
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United States of America Patent
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Issued Date -
Oct 15, 2020
app pub date -
Nov 6, 2018
filing date -
Nov 6, 2017
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The portable apparatus for cleaning surfaces comprises a base (3); a tank (2) associated with said base (3) at the top thereof, said tank (2) being predisposed to contain at least one abrasive material. At least one mixing valve (9) is associated with the base (3) and connected with said tank (2) so as to receive said abrasive material contained in said tank (2) and mix said abrasive material with a predetermined amount of compressed air. An adjusting member (11) is associated with the tank (2), said adjusting member (11) being predisposed to enable the selection of a predetermined value indicating the amount of said abrasive material to be mixed with said compressed air in said at least one mixing valve (9).
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