| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve water drainage performance of a pneumatic tire. <P>SOLUTION: Straight grooves 2 (2A and 2B) extending in a tire circumferential direction T are provided in a tread of a tread section 1, and first lug grooves 3 which are branched from the straight grooves 2 are provided in the tread of the tread section 1. A projection section 5 is provided by projecting in a bending shape to a branch position side of the first lug groove 3 from a wall face 11b of the first straight groove 2A which faces the branch position of the first lug groove 3, and projections 6 are provided at a rear side in a tire rotation direction R, of the projection section 5. <P>COPYRIGHT: (C)2012,JPO&INPIT |
