Method and apparatus for working molten glass

Details Method and apparatus for working molten glass Method and apparatus for working molten glass

1988-08-18

1990-02-13

Kellogg, Arthur

Glass manufacturing

Processes

Fining or homogenizing molten glass

65136, 65337, 65342, 65343, 65345, C03B 520

Patent

active

049003372

ABSTRACT:
The invention relates to working molten glass in tank furnaces for continuous production. According to the process of the invention, the vitrifiable material being brought first to the molten bath state in a zone upstream from the tank, and said bath then having access to the successive downstream zones allocated to the other phases of the process of working the glass through at least one tank portion comprising a section reduction of the type usually called a neck, there is generated at the upper level of the opening available to the glass by said neck a glass current directed from downstream to upstream of said neck. The invention proves to be especially advantageous for electric melting furnaces with large production capacity.

REFERENCES:
patent: 3888650 (1975-06-01), Gell et al.
patent: 4029489 (1977-06-01), Froberg et al.
patent: 4594089 (1986-06-01), Kurata

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