| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire improved in a pattern noise caused by contact between a tread surface and a road surface. SOLUTION: A circumferential groove 2 extended in the tread surface 1 in a tire circumferential direction T is configured to successively connect a plurality of sinusoidal groove parts 2X with different periodic lengths L. COPYRIGHT: (C)2005,JPO&NCIPI |
