GLASS MELTING FURNACE, PROCESS FOR MODIFYING GLASS MELT, PROCESS FOR PRODUCING GLASS MELT, PROCESS FOR PRODUCING GLASS PRODUCT, AND APPARATUS FOR PRODUCING GLASS PRODUCT
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United States of America Patent
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app pub date -
May 2, 2013
filing date -
Dec 2, 2010
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Abandoned
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Abstract
Objective of the present invention is to provide a glass melting furnace, a process for modifying a glass melt and a process for producing glass melt, whereby composition-modified glass melt containing an additive component at a high concentration can be produced with an excellent quality. The glass melting furnace 10 of the present invention is a glass melting furnace 10 for adding an additive to a molten state glass to form composition-modified glass melt, discharging the composition-modified glass melt, and a forehearth 20, said forehearth comprising a feed portion to feed an additive, and a heating means to form a heating gas phase portion above the liquid surface of the glass melt to convert the additive from the feed portion into melted particles of additive below the feed portion.
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