| 摘要 |
Radial tire is composed of radial carcass reinforcement (2) fixed on each side of bead ring(3), thread reinforcement (4) of double layer of wire or cable ply(41, 42), and restriction block of double layer of ply(61, 62) with smaller width than that of 4. (61, 62) are located between 4 and 2 in equatorial region; width of (61, 62) is smaller than that of parallel equatorial region; wire or cable has relative elongation less than 0.2% on 10% of destruction load; angle of the wire is positive and smaller than absolute value of minimum angle in 4.
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