| 摘要 |
PROBLEM TO BE SOLVED: To prevent a reinforcement element of a circumferential belt from being cut in load loading rolling. SOLUTION: The pneumatic tire is provided with a carcass 1; inclination belts 3, 4 of two layers extending between a crown part of the carcass 1 and a tread part 2 while inclined to a tire equator plane; a circumferential belt 7 arranged between the carcass 1 and the inclination belt 3 and formed by winding once or a plurality of times a ribbon material 6 having the reinforcement element 5 substantially parallel to the equator plane; and an auxiliary circumferential belt 10 arranged between an end of the inclination belt 3 and the tread part and formed by winding once or a plurality of times the ribbon material 9 having the reinforcement element 8 substantially parallel to the equator plane. Since tension is shared by the auxiliary circumferential belt 10 at both ends of the circumferential belt 7 applied with the largest tension at the load loading rolling, cutting of the reinforcement element 5 can be prevented. COPYRIGHT: (C)2006,JPO&NCIPI
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