Glass manufacturing – Processes – Fining or homogenizing molten glass
Patent
1982-02-23
1984-02-28
Schor, Kenneth M.
Glass manufacturing
Processes
Fining or homogenizing molten glass
65134, 65136, 373 41, 373 32, C03B 5027, C03B 502
Patent
active
044339950
ABSTRACT:
A continuous process of making glass, in which a vitrifiable batch is fed to a furnace equipped with heating devices for melting the batch so as to produce molten glass. The furnace has a melting end into which the batch is fed and a delivery end remote from the melting end and from which delivery end molten glass is withdrawn. The furnace presents a melting zone adjacent the melting end, in which the batch is melted. The melting zone is composed in the vertical direction of an upper half constituting a batch zone and of a lower half, and the melting zone is further composed in the horizontal direction of an upstream half proximate to the melting end and of a downstream half remote from the melting end. In order to promote melting of the vitrifiable batch, to thereby improve the quality of the glass produced, a direct electric current is established, during the process, between at least one cathode located in the upstream half of the batch zone and at least one anode located outside the batch zone.
REFERENCES:
patent: 3108149 (1963-10-01), Carney et al.
patent: 4001001 (1977-01-01), Knavish et al.
patent: 4299611 (1981-11-01), Penberthy
G. W. Morey; The Properties of Glass; 1938; Reinhold Publishing Corp., 330 W. 42nd St., New York, N.Y., p. 365.
Plumat et al.; 49 Journal of the American Ceramic Society, 10, pp. 551-558, 10/1966.
Glaverbel
Schor Kenneth M.
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