| 摘要 |
A preform producing apparatus, in which the apparatus is downsized and capable of producing preforms at a lower cost, and a molten glass-supporting member used for the preform producing apparatus are provided. A molten glass-supporting member 1 has an openable and closable receiving member 12, of which a receiving surface 13 for receiving molten glass is constructed from a plurality of members 11a and 11b, and a closed state-maintaining member 14 for maintaining the receiving member 12 in a closed state.
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