| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a glass molding and a cleaning apparatus which even when glass with a wider composition range, particularly glass with a low glass transition temperature (Tg) is press-molded, suppress degradation in quality of the resulting glass molding. SOLUTION: In the method for producing a glass molding L from stock glass G in a glass molding system 2, a heat-treated cleaning gas is supplied to the glass molding system 2. A heat treating means 12 may be used for heat treatment. COPYRIGHT: (C)2011,JPO&INPIT
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