GLASS FURNACE, IN PARTICULAR FOR CLEAR OR ULTRA-CLEAR GLASS, WITH LATERAL SECONDARY RECIRCULATIONS
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United States of America Patent
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Issued Date -
Dec 18, 2014
app pub date -
Apr 5, 2012
filing date -
Apr 6, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Glass furnace for heating and melting materials to be vitrified, in which furnace two molten glass recirculation loops are formed in the bath between a hotter central zone of the furnace and, respectively, the inlet (E) and the outlet (Y) which are at a lower temperature; the furnace comprises lateral cooling means (12a), (12b) so as to create or strengthen lateral secondary recirculation rolls (B2La), (B2Lb) of the glass.
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