| 摘要 |
Provided is a glass stirring device which is capable of suppressing slip-through of molten glass in the vicinity of a wall surface of a delivery tube, and is also excellent in a stirring action of the molten glass within the molten glass delivery tube. The present invention is concerned with a molten glass stirring device that stirs molten glass within a molten glass delivery tube, the molten glass stirring device including: a rotatable central axis; and a stirring portion provided on the central axis, wherein: the stirring portion includes a stirring blade and a ring paddle; the stirring portion is provided with two or more stirring blades in the axial direction of the central axis and also provided with two or more stirring blades in the circumferential direction of the central axis; and the stirring portion is provided with one or more ring paddles in the axial direction of the central axis. |
