C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/018 (2006.01) C03B 37/014 (2006.01)
Patent
CA 2070481
-1- ABSTRACT The present invention is directed to a method of producing a glass soot. The glass soot deposit is produced at a high deposition rate by blowing a gaseous glass-forming raw material together with a fuel gas from a combustion burner in a closed muffle chamber, hydrolyzing the glass-forming raw material in a flame to generate glass soot, and depositing the glass soot on a tip end or a peripheral surface of a starting member which is rotated to form a glass soot deposit, in which lowest surface temperature of the muffle chamber is maintained at 50°C or higher and average surface temperature of the muffle chamber is maintained in a range between 50°C and 150°C. Corrosion of the muffle chamber can be prevented using the method of the present invention.
Danzuka Toshio
Saitoh Tatsuhiko
Kirby Eades Gale Baker
Sumitomo Electric Industries Ltd.
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