Synthetic onyx and method

Details Synthetic onyx and method Synthetic onyx and method

1980-08-22

1982-08-10

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

By reciprocating or vibrating mold

264 69, 264 73, 264 74, B29C 900

Patent

active

043437524

ABSTRACT:
A synthetic onyx material and method of preparation having veined coloring marks, within a matrix, in a smoothly flowing, variegated pattern resembling the flow of colored contaminants in natural onyx; the patterns are in juxtaposed portions revealing an optical boundary.

REFERENCES:
patent: 1204378 (1916-11-01), Spencer
patent: 1485810 (1924-03-01), Parker et al.
patent: 3219735 (1965-11-01), Iverson et al.
patent: 3396067 (1968-08-01), Schafer
patent: 3634179 (1972-01-01), Anderson

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