| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce noise and vibration generated when a tire rolls, without reducing drainage performance, in the tire whose groove width in the tread width direction of a main groove in the circumferential direction, changes in a predetermined repetitive period. <P>SOLUTION: In this pneumatic tire 1, a groove wall 10a and a groove wall 20a extend in the tire circumferential direction while meandering in a tread surface view, a groove width of a main groove 50 changes in a predetermined period along the tread width direction, an air chamber part 80a recessed toward the tire radial direction and a stricture part 80b communicating with the air chamber part 80a and the main groove 50 are formed, and the volume of the stricture part 80b is smaller than the volume of a space formed of the air chamber part 80a and a road surface. <P>COPYRIGHT: (C)2012,JPO&INPIT |
