Method of making glass

Details Method of making glass Method of making glass

1997-01-21

1998-10-27

Silverman, Stanley S.

Glass manufacturing

Processes

Fining or homogenizing molten glass

65121, 651343, C03B 526, C03B 516, C03B 518, C03B 528

Patent

active

058273441

ABSTRACT:
A method of making glass in which a first glass composition is fed to a furnace and the densities of such glass is determined. The composition is then changed to produce a second glass which has substantially different properties from the first glass, the change to the composition being such that the desired properties are produced in the second glass while simultaneously maintaining the densities of the second glass substantially equal to that of the second glass. The first glass may be a clear glass while the second glass may be a tinted glass. In such a case, the tinted glass may contain iron and the densities are maintained substantially equal by utilizing the iron to replace calcium oxide in the clear glass composition.

REFERENCES:
patent: 1941392 (1933-12-01), Engels
patent: 4339541 (1982-07-01), Dela Ruye
patent: 4792536 (1988-12-01), Pecoraro et al.
patent: 5023210 (1991-06-01), Krumwiede et al.
patent: 5385872 (1995-01-01), Gulotta et al.
patent: 5478783 (1995-12-01), Higby et al.
patent: 5558942 (1996-09-01), Itoh et al.
patent: 5588978 (1996-12-01), Argent et al.
patent: 5593929 (1997-01-01), Krumwiede et al.

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