| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic tire 34 with which a reduction in weight has been accomplished without spoiling the ability to retain internal pressure. <P>SOLUTION: The tire 34 has a liner 46 disposed on the inside of a carcass 42. The liner 46 includes a first inner liner 66 that is bridged between one bead and the other bead along the inside of the carcass 42, and a pair of second inner liners 68 that extends radially and nearly inwardly along the first inner liner 66 from the end 62a of a belt 44. The second inner liners 68 are positioned between the first inner liner 66 and the carcass 42. The first inner liner 66 is formed by the crosslinking of a first rubber composition. The base rubber of the first rubber composition includes a butyl rubber. The second inner liner 68 is formed by the crosslinking of a second rubber composition. The base rubber of the second rubber composition includes a diene rubber. <P>COPYRIGHT: (C)2013,JPO&INPIT |
