Provided is a tire that enables high productivity while having improved durability, steering stability, and low rolling resistance during high-speed traveling. This tire is provided with: a pair of bead cores 11; a carcass that comprises at least one layer of a carcass ply 12 disposed across the bead cores 11; a belt 13 that comprises at least one belt layer and that is disposed outward of the carcass in the tire radial direction; and at least one belt reinforcement layer 14 that is disposed outward of the belt 13 in the tire radial direction, wherein a reinforcing cord of the carcass ply 12 and/or a reinforcing cord of the belt reinforcement layer 14 includes a cord using a polyamide multifilament that comprises a polycondensate of a diamine and a dicarboxylic acid including an aromatic dicarboxylic acid.
提供改善高速行驶时的耐久性、操纵稳定性以及低滚动阻力且轮胎的生产率也优异的轮胎。一种轮胎,其包括:一对胎圈芯(11);胎体,其由跨该一对胎圈芯(11)间的至少1层胎体帘布层(12)构成;带束(13),其由配置于该胎体的轮胎径向外侧的至少1层带束层构成;以及至少1层带束加强层(14),其配置于带束(13)的轮胎径向外侧,其中,胎体帘布层(12)和带束加强层(14)中的至少一者的加强帘线包含使用聚酰胺复丝的帘线,该聚酰胺复丝由含有芳香族二羧酸的二羧酸与二胺的缩聚物构成。
TIRE
轮胎
2021-05-28
Patent
Elektronische Ressource
Chinesisch
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