| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of securing steering stabilizing performance on a dry road surface while improving ice performance by restraining narrowing of an opening part of a sipe. Ž<P>SOLUTION: The sipe 10 formed on a block 1 is furnished with a corrugated first sipe part an irregular row of a sipe wall surface of which is inclined in the longitudinal direction N of the sipe 10 relative to the normal direction of a land part tread surface 1a and a corrugated second sipe part an irregular row of a sipe wall surface of which is inclined in the opposite direction of the first sipe part and which is continuously provided in the depth direction on the first sipe part, a first widened part 21 extending along the longitudinal direction N of the sipe 10 is formed on a sipe wall surface 10a in the first sipe part and a second widened part 22 extending along the longitudinal direction N of the sipe 10 is formed on a sipe wall surface 10b in the second sipe part. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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