| 摘要 |
PROBLEM TO BE SOLVED: To provide a snow tire tread culf capable of securing tire performance (steering, brake, and attraction performances) on a snowy road or ice, and suppressing deterioration of tire performances on a dry road or wet road surface.SOLUTION: A tread culf 100 comprises polygonal waves along a surface on a block outer surface of a tread of a snow tire, and is formed in a depth direction of the block, in which, entrance distance of the polygonal waves is smaller than bottom distance, and an inclination surface 113 in which, a side surface between the entrance and bottom 112 becomes narrower toward the entrance side, is provided.SELECTED DRAWING: Figure 2 |
