Nippon Electric Glass Co., Ltd.

Hiroyuki Itazu

Shusaku Tamamura

Kazuyuki Tenyama

In manufacturing a glass article (GR) by causing a molten glass (GM) to flow through a transfer pipe () and to be transferred, the transfer pipe () includes: a pipe end portion () being an end portion in a pipe axis direction; a pipe-shaped portion (); and a joining portion () configured to join the pipe end portion () and the pipe-shaped portion () to each other. The pipe end portion () includes a flange portion () and a curved portion () extending from an inner peripheral end () of the flange portion () toward the pipe-shaped portion () side and being reduced in diameter toward the pipe-shaped portion () side. The pipe end portion () is made of a material having a smaller creep rupture strength and/or a larger creep strain rate than the pipe-shaped portion () at 1,500&#xb0; C. and 1,000 hours.

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Shiga, Japan

Hiroyuki Itazu