Method of making glass products, novel glass mix and novel glass

Details Method of making glass products, novel glass mix and novel glass Method of making glass products, novel glass mix and novel glass

1975-03-14

1976-06-15

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 40R, 106 47R, 106 52, C03C 300, C03C 100, C04B 2100

Patent

active

039635031

ABSTRACT:
An improved method of making glass products is provided which comprises mixing particulate used-container glass with a selected treating agent to form a unique glass mix. The used-container glass has a preselected approximate concentration range of foreign inclusions and an average reflectance of about 5% to about 95%. The mix is heated to a temperature and pressure above the sintering and softening point of the glass but below its melting point and within a range sufficient to activate the treating agent to either foam or fill the glass. In the latter case, increased pressure is applied to form the glass into a hard pressed product, such as a tile, appearance. In the former case, foamed glass of distinctive appearance is produced. The used-container glass includes a plurality of particles of various colors, and the pressed product may have oxide pigments embedded in the surfaces thereof. The treating agent can be dolomite or other suitable treating agent.

REFERENCES:
patent: 2156457 (1939-05-01), Long
patent: 2233608 (1941-03-01), Haux et al.
patent: 3116522 (1964-01-01), Taylor et al.
patent: 3288615 (1966-11-01), Estes et al.

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