| 摘要 |
<p>A radial pneumatic tire having excellent run-flat durability. The tire is equipped with a belt layer (4), which includes a plurality of metal cord layers, and a tread (5) successively at a periphery of a crown portion (3) of a toroidal radial carcass (2), and is equipped with, at an inner peripheral surface of the side portion (6) of the carcass, a rubber reinforcing layer (7) having a crescent moon shaped cross-section and bearing and supporting load. The tire has an auxiliary layer (8) disposed between the carcass and the belt layer and including organic fiber cords which are oriented so as to intersect the cords of the carcass and the cords of the belt layer with a central equatorial plane between, on the one hand, the cords of the auxiliary layer, and on the other hand, the cords of the carcass and the cords of the belt layer. <IMAGE></p> |
