| 摘要 |
<p>A pneumatic tire comprises, on a tread surface, a circumferential groove (1a-1d) which extends in a tire circumferential direction, a land portion (2-4) which is zoned by the circumferential groove, and a plurality of lug grooves (6) in which one end is open to a side of the circumferential groove (1a,1d) and another end is terminated within the land portion (3), wherein the land portion (3) has a rib-like portion (31) which is successive in a tire circumferential direction and a wing portion (32) which is zoned by the lug grooves, and wherein a plurality of small holes (7) are formed on a surface of the land portion (3) along a line (61) connecting trailing end portions (6a) of the lug grooves adjacent to each other.</p> |
