| 摘要 |
PROBLEM TO BE SOLVED: To impart excellent durability while restraining a weight from increasing by arrangement of a reinforcement member. SOLUTION: This tire has a carcass 5 constituted of a main body part 3a and a folded part 3b, and the reinforcement member 7 comprising at least one sheet of reinforcement layer arranged at least along an outer face of the folded part 3b. The outermost ply 3 constituting the folded part 3b has a bent part 8 at least in one position of which the extended direction of a cord 9 is varied under a condition along the innermost reinforcement layer 6, a cord- crossed portion 11 is formed by an upper portion 10 positioned in a radial- directional outside of a tire compared with a position of the bent part 8 and the innermost reinforcement layer 6, in the outermost ply 3, and a cross angleθ3 by the cord 9 and a cord 12 constituting the cord-crossed portion 11 is 50°or more. COPYRIGHT: (C)2003,JPO
|
