| 摘要 |
PROBLEM TO BE SOLVED: To provide a high performance radial tire excellent in uniformity, heavy load resistance, and steering stability, and balancing them properly. SOLUTION: A tire includes a ply of organic fiber codes arranged in parallel. The tire is provided with at least a carcass combined with a belt. The organic fiber is formed materially with polylofin ketone comprising repetitive units represented by a formula, and presents 250 to 400 Ed modulus (gf/d) represented by the ratio of stress of 0.5 gf/d and the corresponding elongation percentage in a graph showing the relationship between load (stress) per denier at 25 deg.C and the elongation percentage specified JIS L 1017 (1938) (Chemical fiber tire code test method). A in the formula represents a bivalent olefin residue. A can be either identical or different each other in the entire repetitive units.
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