Method of manufacturing decorative plastic eyeglass elements

Details Method of manufacturing decorative plastic eyeglass elements Method of manufacturing decorative plastic eyeglass elements

1997-07-09

1999-07-13

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With decoration or ornamentation

351 41, 8478, G02C 1102, D06P 500

Patent

active

059233958

ABSTRACT:
A method of manufacturing decorative plastic eyeglass elements. The steps of the method comprise dyeing a certain portion of the surface of a plastic eyeglass element with dispersion dye as a first dyeing step, forming aggregated groove patterns comprising a plurality of minute grooves formed on a part of the dyed portion of the plastic elements, and as a second dyeing step, dyeing at least the part of the aggregated groove patterns with dispersion dye having a color which is different from the color of the dispersion dye used in the first dyeing step.

REFERENCES:
patent: 4986647 (1991-01-01), Blumenthal

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