| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire capable of improving wet performance by enhancing drainage performance by pushing out water from a groove. SOLUTION: In the tire with one or more circumferential grooves 21 successive in the tire circumferential direction, a plurality of protrusions 3, in which the amount of protrusion relative to a groove wall on the tire center side is increased in the tire rotation direction, and a plurality of protrusions 4, in which the amount of protrusion relative to the groove wall on the tire center side is increased in the tire rotation direction, are formed on the groove surfaces of the circumferential grooves 21. The respective protrusions 3, 4 are circular arcs in which edges 33, 43 formed between a tilt surface and a peripheral surface are protruded in the tire rotation direction. COPYRIGHT: (C)2008,JPO&INPIT |
