| 摘要 |
PROBLEM TO BE SOLVED: To suppress an inflow of rubber into an exhaust groove while maintaining air exhausting performance.SOLUTION: A core body includes a plurality of core segments divided in the circumferential direction, and an exhaust groove with one end having an open end opening at a core-side tire molding face is arranged on the mating face of at least one of core segments adjacent in the circumferential direction. The exhaust groove includes a tread exhaust groove the open end of which opens in a portion of a core-side tread molding face, and/or a side exhaust groove which opens in a portion of a core-side side molding face. The tread exhaust groove has an inclined groove portion extending at an angle &thetas;1 in relation to the radial direction of the tire from the open end, and the side exhaust groove has an inclined groove portion extending at an angle &thetas;2 in relation to the axial direction of the tire from the open end. |
