| 摘要 |
An apex of a pneumatic tire is provided to enhance bonding force between a carcass having a first apex and a bead section by bonding a second apex to the carcass and the bead section. An apex(30) of a pneumatic tire comprises a first apex(32) and a second apex(34). The first apex is installed on a carcass(10) formed with a bead section(20) in the tire. The second apex having greater strength than the first apex surrounds the first apex. The second apex is made of a mano-bond and has shore hardness of about 80 to 100. The second apex is bonded to the carcass and the bead section by an adhesive(40).
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