| 摘要 |
A pneumatic tire is provided to improve durability by reinforcing a bead with a steel chafer and to prevent the tire from being separated from the installation position due to reciprocation of the tire. A pneumatic tire(10) including first and second carcass plies(110,120) accumulated and an end portion of the second carcass ply for surrounding a bead(130) and an apex comprises a plurality of bent units protruded in the direction of the apex which are formed at an end portion of the second carcass ply positioned on an outer surface of the apex, and a steel chafer on both surfaces of the end portion of the second carcass ply provided with the bent part.
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