Avanstrate Inc.

Hitoshi Gekko

Kohei Yamamoto

A stirring devicecomprises a chamber, and a stirrerfor stirring molten glassin the chamber. The stirrerhas a shaftas a rotation axis, and blades-disposed in a plurality of tiers on a side wall of the shaft. The blades-have support platesand ancillary plates. The ancillary platescreate, in the molten glass, a flow in the radial direction of the shaft

Method of manufacturing glass substrate, and stirring device

A method of manufacturing glass comprises a stirring step in which molten glass MG is stirred. The stirring step comprises a first stirring step and a second stirring step. In the first stirring step, the molten glass MG is stirred while being directed upward from below in a first stirred tank. In the second stirring step, the molten glass MG stirred in the first stirring step is stirred while being directed downward from above in a second stirred tank. The first stirred tankhas a first discharge pipecapable of discharging the molten glass MG from the bottom of a first chamber. The second stirred tankhas a second discharge pipecapable of discharging the molten glass MG from the liquid level LL of the molten glass MG in a second chamber

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Yokkaichi, Japan

Hitoshi Gekko