| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic tire that can improve the durability of a bead part and attain a weight reduction. <P>SOLUTION: In the pneumatic tire wherein one-layer carcass 11 extending toroidally between a pair of bead cores 15 is wound around on a bead core 15 from the inside of width direction of a tire and folded on the outside of width direction thereof, a first stiffener 17a is provided on the inside of width direction thereof and a second stiffener 17b is provided on the outside of width direction thereof in a carcass folded section 11a. The first stiffener 17a is arranged inside in the radial direction of a tire than the second stiffener 17b, and the end 11b of the carcass folded section 11a is positioned outside in the radial direction thereof than tire radial-direction position having a maximum thickness in the radial direction thereof in the second stiffener 17b, and inside in the radial direction thereof than an outside end in the tire radial direction in the second stiffener 17b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
