Coating apparatus – Projection or spray type – Applying solid particulate material
Patent
1996-07-17
1998-05-05
Griffin, Steven P.
Coating apparatus
Projection or spray type
Applying solid particulate material
239119, 239 99, 141 65, 427186, 222399, B05C 1904, B05C 1906
Patent
active
057468303
ABSTRACT:
The apparatus for applying granules to a coated asphalt sheet has a nozzle for holding an accumulation of granules, an opening at the bottom of the nozzle for discharging the granules onto the coated asphalt sheet, a buffer chamber positioned in communication with the accumulation of granules, and a vacuum source for reducing the pressure in the buffer chamber to stop the flow of granules through the opening.
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Belt James S.
Boyd Douglas E.
Burton Charles A.
Haubert Thomas D.
Gegenheimer C. Michael
Gillespie Ted C.
Griffin Steven P.
Owens--Corning Fiberglas Technology, Inc.
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