| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire improving traveling performance on ice, and steering stability and wear resistance on a dry road surface. SOLUTION: In the pneumatic tire designating an installing direction of tire back and front sides to a vehicle, a tread portion 1 is provided with a main groove 11 extending in a tire circumferential direction, a main groove 12 extending in the tire circumferential direction in a shoulder area on the inner side of a vehicle than the main groove 11, a main groove 13 extending in the tire circumferential direction in the shoulder area on the outer side of the vehicle than the main groove, and a plurality of lug grooves 14 extending from one shoulder side to the other shoulder side. The width of a land part 21 divided between the main groove 11 and the main groove 12 is made to be wider than that of a land part 22 divided between the main groove 11 and the main groove 13. A plurality of tilting grooves 15 communicating to at least three lug grooves 14 while tilting in the tire circumferential direction is provided on the land part 21. One end 15a of the tilting groove 14 is opened to the lug groove 14 and the other end 15b is terminated in a block. COPYRIGHT: (C)2007,JPO&INPIT |
