Patent ID: 8079124

Claim:
A post-cure inflator for performing expansion cooling to vulcanized tires having bead portions of various bead diameters and bead widths, comprising: a pair of disk shape rims, each rim of the pair of said rims having rim surfaces for sandwiching the bead portions of the tires on both sides of the rim, whereby each rim of the pair of said rims has one rim surface on one side of the rim and an other rim surface on an other side of the rim; and a rim support mechanism for detachably supporting the pair of said rims, wherein said rim support mechanism supports the pair of said rims switchably between an arrangement in which the one rim surfaces face each other and an arrangement in which the other rim surfaces face each other, and in at least one rim of the pair of said rims, a plurality of step portions corresponding to the bead portions of tires having different bead diameters are formed on the one rim surface and on the other rim surface, the step portions being arranged such that the thickness of the rim is reduced from a center of the rim to an outer periphery of the rim.