| 摘要 |
There is provided a tire vulcanizing mold capable of smoothly and surely forming narrow-width grooves in a treading face without causing the damage, breakage and the like of projections for the formation of the grooves in a sector mold and land portions in the tread, which comprises a plurality of sector molds arranged at predetermined pitches in a circumferential direction and displacing in synchronization with each other in extension and retraction directions to conduct the vulcanization of a tire tread portion, wherein a projection for the formation of the groove formed in an inner surface of each of the sector molds is projected from the inner surface of the sector mold in a direction substantially parallel to a displacing direction of the respective sector mold. |
