Process for producing stained crystallized glass and its article

Details Process for producing stained crystallized glass and its article Process for producing stained crystallized glass and its article

1997-09-22

2000-06-27

Epstein, Henry F.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

428 38, C03B 1909

Patent

active

060804548

ABSTRACT:
A process for producing stained crystallized glass and its articles is provided where crystallized glass is obtained with patterns and colors like that of granites, marble, and other natural stones. The process includes the heat-treatment of a prepared batch of crystallizable glass granules, colored powder and water, at a temperature higher than the softening point of the glass granules resulting in fusion bonding of the glass granules. The colored powder is compounded by an inorganic pigment, a suspension stabilizing agent, an agglomerate, a deflocculant agent, and a crystallizable glass powder. The surface pattern is formed by the grain boundary region of the crystallizable glass granules, and part of the inorganic pigment in the colored powder moving with the crystallizable glass powder.

REFERENCES:
patent: 4192666 (1980-03-01), Lupoi
patent: 4197105 (1980-04-01), Hummel et al.
patent: 5066524 (1991-11-01), Baba et al.

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