| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire that improves abrasion resistance of the whole tire while keeping the draining performance by improving the abrasion resistance by improving the block rigidity of a shoulder section. SOLUTION: In the pneumatic tire, the tread section has at least a pair of circumferential grooves 1a and 1b continuously extending in the circumferential direction, and is partitioned to a center region 10 and a shoulder region 20 with the circumferential grooves 1a and 1b. The pneumatic tire has a land section 2 having a lug groove 3 in the shoulder region 20. The lug groove 3 does not open to the circumferential groove 1a and has a terminal end X in the land section 2 of the shoulder section. The land section 2 of the shoulder section is provided with a zigzag or wave-like sipe 4 extending from the circumferential groove 1a toward the tread end, the sipe 4 extends to a position where it matches with the terminal end of the lug groove 3 in the projection view from the circumferential direction, and the ridge line extending in the depth direction of the sipe 4 tilts from the tread surface to the sipe bottom section. COPYRIGHT: (C)2006,JPO&NCIPI |
