| 摘要 |
PROBLEM TO BE SOLVED: To improve roll off resistance without impairing rim assembling performance. SOLUTION: A reinforcing rubber body 10 having an inner end point Se of a tire shaft direction projecting over the tire shaft direction inside by making an external position P of the inner end point Se as a starting point is provided on a radial internal surface S of a bead core 5. The reinforcing rubber body 10 has rubber hardness 80 to 93°, thickness T1 of 1.0 to 4.0mm and a tire shaft direction width W1 of 3.0 to 12.0mm. COPYRIGHT: (C)2005,JPO&NCIPI
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