| 摘要 |
PROBLEM TO BE SOLVED: To suppress development of heel-and-toe abrasion in a tire circumferential direction and uneven abrasion in a tire width direction, in a pneumatic tire formed with a block pattern at a tread portion. SOLUTION: This pneumatic tire, formed with the block pattern at the tread part, includes: a first circular arc portion 20p of which center of curvature stays inside the tire and a second circular arc portion 20q of which center of curvature stays outside the tire, which pass through the inside in the width direction of a shoulder block 20C and a top end P thereof. The pneumatic tire includes recessed portions 20V which are more inwardly recessed in the radial direction than a virtual line I connecting the top end P to a block edge, and the contour line of the outside in the width direction of the block is connected by a straight line. Furthermore, the size of the recessed portions 20V is reduced from the inside to the outside in the block width direction. COPYRIGHT: (C)2006,JPO&NCIPI |
