| 摘要 |
PROBLEM TO BE SOLVED: To prevent a block from being unequally abraded by providing a plurality of shallow slittings extending in the circumferential direction of a tire on the block. SOLUTION: A first block 22 and a second block 24 of a pneumatic tire 10 are provided with a plurality of shallow slittings 26 extending in the circumferential direction of a tire. Hereby, in the first block 22 together with the second block 24, torsion at inputting side force is intercepted and lightened, movement of the block, one of the reason of unequal abrasion in the block is restrained, and diffusion of unequal abrasion generated in the block is restrained. Further, in the initial stage of low rigidity of the block, movement of the first block 22 and the second block 24 on the grounding face can be respectively made independent in the range divided with the slittings, and hence nucleus of unequal abrasion can be restrained from generating. |
