| 摘要 |
PROBLEM TO BE SOLVED: To shorten a replacement time of a molding, and to enlarge tubular glass.SOLUTION: In a glass molding apparatus including a supply pipe 3 for supplying molten glass Gm, and a molding 6 rotating around the axis in the vertical direction while receiving molten glass Gm supplied from the supply pipe 3, tubular glass is molded by pulling downward the molten glass Gm flowing down from the rotating molding 6. The molding 6 has an upper surface 12 for receiving the molten glass Gm supplied during rotation, and the upper surface 12 has an outer peripheral edge 12a along which the received molten glass Gm is allowed to flow down.SELECTED DRAWING: Figure 3 |
