| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic tire for heavy load having both of uneven wear resistance and heat generation endurance. <P>SOLUTION: The pneumatic tire has a plurality of blocks partitioned with a circumferential groove extended in a tire circumferential direction and a tread end, and a width directional groove extended in a tire width direction on a tread face of the tire, and has a tie bar raised from a groove bottom of the width directional groove on at least one width directional groove and connected between neighboring blocks. The pneumatic tire forms a first groove on the face of a tread surface side of the tie bar, and forms a second groove on at least one of sidewalls facing the tie bar of the two blocks connected with the tie bar. <P>COPYRIGHT: (C)2012,JPO&INPIT |
