| 摘要 |
A tire vulcanizing apparatus using gas pressure is provided to prevent a defect in external appearance of a tire by indirectly and uniformly transferring gas pressure to the tire. A tire vulcanizing apparatus using gas pressure comprises a vulcanization mold(10), a core mold(20) and a green tire(50). The green tire is positioned between the vulcanization mold and the core mold and compressed by heated gas injected through the core mold. A bladder(30) is positioned between the core mold and the green tire to transfer gas pressure to the green tire. The bladder is integrally fixed to the outer peripheral surface of the core mold and extended from the center in the width direction of the green tire to both sidewall sections or both bead sections.
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