| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light-weighted tire of excellent performance as a result of its becoming capable of sufficiently inhibiting occurrence of residual air, with respect to a radial tire using inner liner rubber of divided structure. <P>SOLUTION: The pneumatic radial tire is provided with respective layers of inner liner, ply material, and rubber material being provided from the innermost layer side in the order. The inner liner is consisted of a first inner liner made of a butyl rubber-based rubber composition of butyl rubber series, and a second inner liner made of a NR (natural rubber)-based rubber composition, provided on the outer surface of the first inner liner, while the second inner liner has its central part divided and removed therefrom, with its ply material sticking surface having a slit-processing provided across the whole length in the width direction, with the ply material having pricking-processing being provided thereon. <P>COPYRIGHT: (C)2012,JPO&INPIT |
