| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve an on-snow performance of a pneumatic tire. <P>SOLUTION: A plurality of grooves 2 to 6 extending in a tire circumferential direction and tire width direction are disposed on a wheel tread of a tread part 1 and the plurality of grooves 2 to 6 cross each other, and thereby a plurality of blocks 7 are disposed. In addition, protrusions 11 (11A, 11B, and 11C) changing the height along a longitudinal direction thereof are disposed in the grooves 2 to 6. <P>COPYRIGHT: (C)2012,JPO&INPIT |
