| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a run flat tire which improves run flat durability performance on an unpaved road and is excellent riding comfort performance when normally travelling. <P>SOLUTION: There are included a reinforcement rubber layer of cross-sectional falcate at the inner circumference of the carcass of sidewall part and a side protect layer at the perimeter of the carcass of sidewall part, wherein, when seeing in the tire width direction section, an intersection of a normal L1 on the outer surface of tire passing through the tire width direction end A of an inclination belt layer with the outer surface of tire is defined as P, an intersection of a normal L2 on the outer surface of tire passing through the maximum width location B of the carcass with the outer surface of tire is defined as Q, a midpoint between P and Q on the outer surface of tire is defined as M, and an intersection of a normal L3 on the outer surface of tire passing through M with the carcass is defined as N, the side protect layer crosses the segment MN, wherein the width W on the outer surface of tire is 10 mm or more, the thickness T on the segment MN is 0.6 mm or more, and JISA hardness is 60 or more. <P>COPYRIGHT: (C)2013,JPO&INPIT |
