Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1974-10-16
1976-07-06
Gwinnell, Harry J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428168, 428172, 428297, 428304, 428327, 427194, 427195, 427198, 427202, B32B 330, B05D 506
Patent
active
039682889
ABSTRACT:
A method for producing an embossed, two-color appearance on the surface of a fibrous board substrate. The surface of a fibrous board substrate having a uniform thickness is first coated with a prime coating having a first color. A thermosetting resin base powder having a color different from that of the prime coating color is applied over the prime coating. The coated and powdered surface of the substrate is then embossed with a heated embossing device having high and low areas which produce low and high areas respectively on the surface of the substrate. The heat from the embossing roll causes the powder to melt, set, and become concentrated on the high areas of the surface of the substrate leaving only the prime coating remaining in the low areas of the substrate. The embossing device is then removed from the surface of the substrate which now has a two-color appearance, the high areas having the color of the powder and the low areas having the color of the prime coating. The invention also includes the product produced by this process.
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Armstrong Cork Company
Gwinnell Harry J.
Lawrence Evan K.
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