| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing rolling resistance, while maintaining the tire durability, even if the belt cord is made a single track. <P>SOLUTION: A pneumatic radial tire for use on passenger cars including two layers of a belt layer 10 formed from steel cords embedded at an angle from 15-45° with respect to a tire circumferential direction. The belt layers 10 are formed from steel cords formed from a non-twisted steel monofilament having a diameter in 0.27-0.45 mm. A belt auxiliary layer 20 formed from steel cords embedded at an angle from 80-90° with respect to the tire circumferential direction is provided between a carcass layer 4 and the belt assist layers 10. <P>COPYRIGHT: (C)2013,JPO&INPIT |
