Glass manufacturing – Processes – Glass preform treating
Patent
1998-07-31
1999-10-19
Griffin, Steven P.
Glass manufacturing
Processes
Glass preform treating
65104, 65115, C03B 2700, C03B 2702
Patent
active
059682205
ABSTRACT:
A process and apparatus (26) for quenching a heated glass sheet by directing modulated cryogenic flows (36) that is initially completely liquid (42) toward the oppositely facing surfaces (38) of the glass sheet to quench the glass sheet. The modulated cryogenic flows (36) can be started and fully stopped to provide flow pulses and can also be continuous and have periodic increased flow pulses.
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Introduction to Ceramics By Kingery et al., pp. 830-831, 1976.
Kormanyos Kenneth R.
McMaster Ronald A.
Glasstech, Inc.
Griffin Steven P.
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