Glass manufacturing – Processes – Discharging molten glass downwardly through orifice
Patent
1984-06-15
1986-06-03
Kellogg, Arthur
Glass manufacturing
Processes
Discharging molten glass downwardly through orifice
65134, 65135, 65327, 65337, C03B 526
Patent
active
045927707
ABSTRACT:
The glass melter has an outlet portion formed as a heating device for controlling the outlet flow rate of molten glass from the melter. Raw batch material that is used to form the molten glass is heated to a molten state at a first temperature range. The molten glass, while flowing toward the outlet of the melter, is cooled to a second temperature range to increase the viscosity of the molten glass to a desired level. The outlet member then heats the exiting molten glass a predetermined amount to decrease the glass viscosity in accordance with desired flow rate requirements. Heating of the outlet member is accomplished by imposing a relatively low voltage and a relatively high amperage on the outlet member. Accordingly, by using the outlet member as a heater a controlled flow rate of molten glass from the melter is achieved.
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Cunningham William P.
Hunt Joseph L.
Pearman William O.
GAF Corporation
Kellogg Arthur
Maue Marilyn J.
Ward Joshua J.
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