Coating processes – Solid particles or fibers applied – Roofing produced
Patent
1996-12-30
1998-06-16
Beck, Shrive
Coating processes
Solid particles or fibers applied
Roofing produced
427188, 427199, 427201, B05D 112, B05D 136
Patent
active
057666784
ABSTRACT:
In a method of forming a pattern of granules on a moving asphalt coated sheet, a blend drop of first and second granules is discharged onto the sheet. The blend drop forms a granule deposit on the sheet including an inner portion of first granules and an outer portion of second granules. An apparatus for use in the method includes a nozzle having an orifice for discharging a blend drop of first and second granules onto the sheet. A first granule feed chamber is provided for feeding first granules into the nozzle. A second granule feed chamber is provided for feeding second granules into the nozzle. The first and second granule feed chambers are positioned so that the first granules are fed inside the second granules in the nozzle.
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The Ruberoid Company, "Instructions for Laying 11 .times. 32 inch Strip-Shingles in Varied Designs", dated 1921.
Belt James S.
Wilgus Frank A.
Wilgus Frank R.
Beck Shrive
Gegenheimer C. Michael
Gillespie Ted C.
Owens--Corning Fiberglas Technology, Inc.
Parker Fred J.
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