| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pneumatic tire improved in air resistance by reducing rubber flow by optimizing the block size. <P>SOLUTION: In the pneumatic tire including a plurality of blocks 3 partitioned by grooves 2 at a tread 1, at least an area Sb of a block ground contact face for some blocks 3 is 450 mm<SP>2</SP>or less, and the blocks have length Lb in the circumferential direction and length Wb in the width direction, that are 1.5 times or more respectively in respect to the groove depth of the grooves 2 partitioning the blocks 3. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
