| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular tire compatibly serving on-ice/snow performance and uneven wear property. SOLUTION: When a vehicle is unoccupied, a less load is applied on a pneumatic tire 10 and so a tire center only grounds. In the case that on-ice start or slope-up travel is performed in such a condition, traction can be enhanced at a center side only. Accordingly, a both-side opening sipe 34 is formed in a center block 32 and a both-side opening sipe 38 is formed in a second block 36. On the other hand, a third block 40 on the side of a shoulder portion and a shoulder block 46 less contribute to on-ice start and slope-up travel and so a single-side opening sipe 44 and a single-side opening sipe 48 are formed for reducing the uneven wear of the whole tire.
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