| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of freely changing the lateral rigidity of the tire. SOLUTION: An area surrounded by a body side 3A and a return side 3B of a carcass layer 3, and a bead core 4 is formed in a hollow cavity part 7, and a valve 8 for adjusting the internal pressure is mounted on the cavity part 7. COPYRIGHT: (C)2005,JPO&NCIPI
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