Plastic and nonmetallic article shaping or treating: processes – Random variegated coloring during molding – By calendering
Patent
1984-07-27
1986-03-04
Thibodeau, Paul J.
Plastic and nonmetallic article shaping or treating: processes
Random variegated coloring during molding
By calendering
264145, 264175, 428 46, 428 67, 428323, B32B 2704, B32B 2720
Patent
active
045740658
ABSTRACT:
A floor tile product is manufactured with a random or non-directional tile pattern. This is accomplished by adding a hard material such as ground marble to the tile base mix. This hard material will not elongate under the pressure of the calender roll to provide a directional effect. The hard material appears in the surface of the finished tile as a dot pattern which has no smeared or directional, elongated shape.
REFERENCES:
patent: 2624068 (1953-01-01), Dobry
patent: 2995179 (1961-08-01), Scolamiero
patent: 3015356 (1962-01-01), White et al.
patent: 3062604 (1962-11-01), Hodgen
patent: 3145241 (1964-08-01), Powell
patent: 3194856 (1965-07-01), Palmer
patent: 3344011 (1967-09-01), Goozner
Appleyard Francis J.
Young John H.
Armstrong World Industries Inc.
Thibodeau Paul J.
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