Coating apparatus – Immersion or work-confined pool type – Mask or stencil
Patent
1975-04-23
1976-07-20
Kaplan, Morris
Coating apparatus
Immersion or work-confined pool type
Mask or stencil
118415, B05C 1104
Patent
active
039700402
ABSTRACT:
A tray suitable for providing a uniform coating of predetermined thickness on sheet material includes a generally V-shaped trough for dispensing a fluid contained therein through a plurality of apertures formed through the bottom of the trough and spaced along its length. Along the outer surface of the apex of the V-shaped trough, there is formed a channel communicating with the apertures and defining a pair of spaced continuous blades extending along the length of the trough and spanning the apertures. The lands of material between the apertures of the trough are tapered to a point on the side of the trough adjacent the channel to provide a uniform supply of coating material within the channel. As the trough is moved across the surface of a sheet to be coated, the trailing blade which is spaced at a desired height from the sheet material, provides a uniform coating of fluid to the sheet.
REFERENCES:
patent: 2251264 (1941-08-01), Berch et al.
patent: 2942293 (1960-06-01), Wahl
patent: 3239871 (1966-03-01), LeMieux et al.
Black James A.
Kaplan Morris
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