Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1993-02-02
1995-07-04
Scherbel, David A.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15396, 55248, 451354, 451456, A47L 918, A47L 500, B24B 5506
Patent
active
054288657
ABSTRACT:
Sanding apparatus in which dust raised by sanding is drawn by reduced pressure through a porous sanding sheet and directly through apertures into a plenum chamber and from there through an air passage into an air space in a closed container partially filled with water. The air and dust are separated in the container by projecting the dust into the water from a small distance above it and, simultaneously, drawing the substantially dust-free air out of the air space by the reduced pressure so that the air does not need to enter the water.
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Gillette Donald P.
Scherbel David A.
Soohoo Tony G.
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