Process for forming simulated marble and resulting product

Details Process for forming simulated marble and resulting product Process for forming simulated marble and resulting product

1979-01-04

1981-02-03

Epstein, Henry F.

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

264245, 264255, 428 15, 156 61, B28B 132, B29C 900

Patent

active

042488168

ABSTRACT:
The process for forming simulated marble disclosed in U.S. Pat. No. 3,773,886 is significantly improved by applying the spatter backing composition sequentially in a plurality of superimposed layers, which are respectively graduated stepwise in surface coverage from about 20% coverage in the first, applied directly over the veining composition, up to a total surface coverage of about 80%, except on vertical or steeply sloping surfaces of articles such as bathroom fixtures where the surface coverage is between about 40% and 50%. This results in a rich and variegated depth of field and a muting of the veining and produces a product that more nearly simulates natural marble than is true of the previously patented process.

REFERENCES:
patent: 3129110 (1964-04-01), Anderson
patent: 3219735 (1965-11-01), Iverson et al.
patent: 3232819 (1966-02-01), Satas
patent: 3328499 (1967-06-01), Barnette
patent: 3341396 (1967-09-01), Iverson
patent: 3562379 (1971-02-01), Duggins
patent: 3773886 (1973-11-01), Starr et al.

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