| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust device that can prevent valve malfunction in a vent unit and can prevent a vulcanization failure caused by biting of rubber and the like, and to provide a tire molding die with the exhaust device.SOLUTION: In a plug 1 for a tire molding die, which comprises a cylindrical metal cylinder 2 that is detachably fitted to a vent hole H formed in a tire molding die M and a metal valve 3 that is held in the cylinder 2 so as to be movable forward and backward in the axial direction of the cylinder 2, a valve head 3a is provided which closes an opening end on a mold inner surface side of the cylinder 2 when the valve 3 is closed, a side surface of the valve head 3a is configured to slide with respect to an inner surface of the cylinder 2 when the valve 3 is operated, and an air passage 10 is formed which is opened in the side surface of the valve head 3a and communicates with an internal space of the cylinder 2.SELECTED DRAWING: Figure 1 |
