| 摘要 |
PROBLEM TO BE SOLVED: To reduce the rolling resistance of a tire and reduce a poor appearance around a spew formed on a tire.SOLUTION: A tire mold die 100 comprises a projection part 112 provided to project from a reference face 111 that forms a tire external surface in a die body 110, a vent 113 provided to penetrate the die body 110 from the surface of the projection part 112, and a communication unit 114 provided to communicate between the surface of the projection part 112 and the inner surface of the vent 113.SELECTED DRAWING: Figure 5 |
