Coating processes – Nonuniform coating – Applying superposed diverse coatings or coating a coated base
Patent
1987-03-19
1988-05-03
Lawrence, Evan K.
Coating processes
Nonuniform coating
Applying superposed diverse coatings or coating a coated base
118221, 118222, 118223, 118262, 427284, B05D 502, B05C 102
Patent
active
047419296
ABSTRACT:
A roll-coating apparatus and method of using it, the apparatus having a pair of narrow rubber tires mounted to be driven by the roll-coater doctor roll, disposed to transfer a narrow band of coating material along the two opposite edge areas of a board which is subsequently coated throughout the full width of the board by the roll-coater main applicator roll.
REFERENCES:
patent: 1568605 (1926-01-01), Hough
patent: 4384544 (1983-05-01), Weishew
Hause Robert F.
Lawrence Evan K.
Miller Laird F.
National Gypsum Company
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