| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire which improves on-ice braking performance or the like by sufficiently suppressing collapse of a land part. SOLUTION: A wavy first projecting and recessing line 11, a wavy second projecting and recessing line 12 arranged with a space from the first projecting and recessing line 11 to a sipe bottom 1d side in which a wavelength is made shorter than the first projecting and recessing line 11 and the wave count is increased, and a third projecting and recessing line 13 inclined to a longitudinal direction side of a sipe 10 with respect to a normal direction ND of a road surface 1a, separated to extend to the sipe bottom 1d side, and interposed between the first projecting and recessing line 11 and the second projecting and recessing line 12 to continue into both of them are provided on a sipe inner wall surface 1c of the sipe 10. COPYRIGHT: (C)2008,JPO&INPIT
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