| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of improving traveling performance on an iced road surface by uniforming ground contact pressure in blocks without locally excessively reducing the rigidity of the blocks. <P>SOLUTION: The pneumatic tire having the blocks 1 on the tread surface comprises a plurality of surface sipes 11 formed on surfaces 1a of the blocks 1 and disposed parallel with gaps in the cross direction of the sipes, and wall surface sipes 12 extended in the radial direction of the tire on the wall surface located in the longitudinal direction of the front surface sipes 11 and disposed between a pair of adjacent surface sipes 11 and 11. <P>COPYRIGHT: (C)2009,JPO&INPIT |
