| 摘要 |
<p>A pneumatic tire according to the present invention includes a tread section provided with circumferential grooves 2 to 4 extending in a tire circumferential direction, lateral grooves 5 to 6 extending in a tread width direction, and a plurality of land blocks 7 defined by the circumferential grooves 2 to 4 and the lateral grooves 5 to 6, each of the land blocks 7 provided with sipes 8 formed to extend to a predetermined depth from a tread surface inward in a tire radial direction, each of the sipes 8 having an end portion communicating with at least any one of the circumferential grooves 2 to 4 and the lateral grooves 5 to 6. At least one of the plurality of sipes 8 includes an expanded diameter section 10 on an inner end in the tire radial direction, and the expanded diameter section 10 is formed to increase in diameter extending toward each of sidewalls of the land block 7.</p> |
