Brushing – scrubbing – and general cleaning – Electrostatic cleaning
Patent
1995-06-07
1997-01-28
Scherbel, David
Brushing, scrubbing, and general cleaning
Electrostatic cleaning
153091, 361213, A47L 1340
Patent
active
055967833
ABSTRACT:
A sheet and web cleaner comprises a pair of substantially identical units in facing relation, providing a path for transporting a sheet or web between them. Each unit includes a suction hood with a rectangular inlet slot, and a pair of channels adjacent and parallel to the slot, each containing a pressurized air ionizing bar which discharges ionized air at high velocity onto the moving sheet or web. A plate of hard smooth plastic is over the channels and the inlet slot and has in one side a central elongate inlet opening of tapering width which extends partly through the thickness of the plate and overlies the rectangular inlet slot. Elongate air discharge openings extending partly through the thickness of the plate and overlying each of the channels are adjacent the inlet opening. On the opposite side of the plate, which is proximate the sheet or web, there are a plurality of spaced ridges of generally triangular cross-section, with their apices proximate the sheet or web, the spaces between the ridges extending partially through the thickness of the plate to communicate with the openings in the opposite side of the plate. The ridges are inclined to the direction of movement of the sheet or web.
REFERENCES:
patent: 1715199 (1929-05-01), Johnston
patent: 2818595 (1958-01-01), Rosewall
patent: 3841910 (1974-10-01), Baker
patent: 4454621 (1984-06-01), Testone
patent: 4934016 (1990-06-01), Kalin
Electrostatics, Inc.
Lavine Irvin A.
Scherbel David
Till Terrence R.
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