Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-06-07
1997-04-29
Paden, Carolyn
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 63, 156546, 156547, 156548, 156549, 156550, 156551, B05D 112
Patent
active
056245220
ABSTRACT:
A method and apparatus for applying granules to a coated asphalt sheet to form at high production speeds with shingles a variegated pattern having uniform pattern edges. Granules of a first color are applied to spaced first areas on a continuously moving tacky asphaltic strip, such as a hot asphalt coated organic or glass fiber mat. Hot asphalt or another adhesive is applied to at least a portion of one or both of the leading and trailing edges of the first areas to provide predetermined uniform edges to tacky second areas between the spaced first areas. Granules of a second color are then deposited on the second areas. The granule coated strip is then cut into shingles. The method may be used to create multiple pattern areas with two or more different colored granules or granule blends.
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Kunii 1991 Fluidization Engineering 2nd edition Boston pp. 1-7, 68-74.
Belt James S.
Smith Roger W.
Gegenheimer C. Michael
Owens--Corning Fiberglas Technology, Inc.
Paden Carolyn
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