| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire improved in its noise performance and steering stability while securing superior water drainage performance. SOLUTION: This pneumatic tire has a circumferential straight main groove 1 formed on a center of a tread center area, arc-shaped curved main grooves 3 formed by continuously and repeatedly arranging a plurality of arc-shaped grooves 3 at both sides of the straight main groove 1, and circumferential auxiliary grooves 4 of a width narrower than the straight main groove 1 and the arc-shaped curved main groove 3, respectively formed at both tread shoulder areas. COPYRIGHT: (C)2004,JPO |
