| 摘要 |
<p>THE METHOD OF THE PRESENT INVENTION, FOR PRODUCING A PRECISION GLASS ARTICLE FROM MOLTEN GLASS IN A SERIES OF STEPS INCLUDING A PRESS MOLDING STEP, INCLUDES A STEP FOR RECEIVING, WITH A RECEIVING MOLD, A PREDETERMINED AMOUNT OF MOLTEN GLASS FLOWING OUT OF A GLASS EXIT OF THE MELTING FURNACE; A STEP OF INTRODUCING THE RECEIVING MOLD AND THE MOLTEN GLASS OF PREDETERMINED AMOUNT RECEIVED THEREON INTO A REPLACING CHAMBER; A STEP OF MAINTAINING THE REPLACING CHAMBER IN AN AIR-TIGHT STATE AND EFFECTING VACUUM DRAWDOWN THEREIN; AND A STEP OF MOLDING THE GLASS INTO A DESIRED SHAPE IN THE NON-OXIDATIVE GAS ATMOSPHERE IN THE REPLACING CHAMBER OR IN THE MOLDING CHAMBER COMMUNICATING THEREWITH.</p> |
