C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/4
C03B 18/06 (2006.01) C03B 18/08 (2006.01)
Patent
CA 1192747
ABSTRACT OF THE DISCLOSURE A continuous ribbon of glass is reduced in thickness while sup- ported on molten metal by imposing super-atmospheric pressure over a molten glass layer in a chamber where the glass is maintained in contact with the side walls of the chamber. One aspect features metering the glass layer into the pressure chamber at substantially full width. Another aspect involves pressure sizing the glass layer at temperatures above 2100°F. (1150°C.).
413013
Gulotta Joseph A.
Kunkle Gerald E.
Sensi John E.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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