Importance

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Abstract

Provided is a manufacturing method for a glass article, including: a supply step of supplying glass raw materials (4) onto a molten glass (2) accommodated in a melting chamber (3) of a glass melting furnace (1); a melting step of melting the supplied glass raw materials (4) through heating; and an outflow step of causing the molten glass (2) to flow outside the melting chamber (3), wherein the glass raw materials (4) supplied from one screw feeder (5) and another screw feeder (5), which are adjacent to each other out of a plurality of screw feeders (5), extend in parallel through intermediation of a gap (6) on the molten glass (2), and wherein the glass raw materials (4) are melted through heating only with an electrode (8) and an electrode (9) each immersed in the molten glass (2) in the melting chamber (3).

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First Claim