| 摘要 |
PROBLEM TO BE SOLVED: To enhance durability of a bead part in a pneumatic tire. SOLUTION: When the pneumatic tire 10 is rotated under a load, the bead part 18 turns down outwards and an interlayer sharing strain is generated between a bead core 12 and a bead filler 20. However, a crack is restrained from being generated between the bead core 12 and the bead filler 2, because an interlayer shearing strain reducing rubber layer 22 provided in an outer circumferential face of the bead core 12 reduces the interlayer shearing strain.
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