Patent ID: 7354261

Claim:
A tire vulcanizing apparatus using a self-locking container including: upper and lower circular plates, to which sidewall dies for forming side portions of a tire are attached respectively; a plurality of segments, to which a plurality of tread dies for separated from one another as plural pieces for forming a tread portion of the tire are attached respectively; and an annular jacket, which engages with the segments with their inclined surfaces being in contact, and which is capable of moving the segments in radial directions by moving upward and downward, the self-lock container, causing lug portions formed on upper and lower portions of each segments to engage respectively with protrusions on outer circumferential portions of the corresponding upper and lower circular plates, and thereby to hold the upper and lower circular plates so as to prevent the upper and lower circular plates from moving away from each other, at a time when the dies are closed by moving the segments inward in the radial direction, the tire vulcanizing apparatus wherein adjustment plates for maintaining a measurement between the upper and lower circular plates are provided to interfaces between the protrusion of each of the upper and lower circular plates and the lug portions on the corresponding portions of the segments.