| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of improving wet performance while maintaining partial wear resistance of the tire. <P>SOLUTION: In this pneumatic tire 1, a tread part has a plurality of main grooves 21, 22 extending in the tire circumferential direction and at least four ribs 31 to 33 partitioned by the main grooves 21, 22. The main groove positioned in the outermost side in the tire width direction out of the plurality of main grooves 21, 22 is called an outer main groove 22. Sipes 311 to 332 opened in both edge parts of the ribs 31 to 33 are called open sipes, and sipes 323, 333 opened only in one of the edge parts of the ribs 31 to 33 are called multi-sipes. The plurality of open sipes 331 to 332 are formed on the all ribs 31 to 33, and the plurality of multi-sipes 323, 333 are formed only on the ribs 32, 33 sandwiching the outer main groove 22, and are arranged along the edge parts of the ribs 32, 33. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
