| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire improved in wet brake performance and uneven wear resistance performance. ! SOLUTION: This invention provides a pneumatic tire 1a, which comprises a circumferential groove 10a and a width direction groove 30a crossing the circumferential groove 10 to form bottom-up parts 32a in a part of the groove bottom of the width direction groove 30a, is characterized in that the bottom-up parts 32a are formed alternately along the extension direction on both sides in a direction vertical to the extension direction of the width direction groove 30a, and in that bottom-up parts 32a adjacent in the extension direction have the same extension direction region and are continuous in a direction vertical to the extension direction. ! COPYRIGHT: (C)2015,JPO&INPIT |
