a green tire inserting apparatus with which upper and lower bead portions of a green tire can be inserted correctly and surely into bead rings of upper and lower metal molds . an upper bead portion and a lower bead portion of a green tire are gripped in a true - circular shape by separate segments to be pushed respectively into bead rings of upper and lower metal molds in a vulcanizing machine . cylinders and linkages for radially expanding the segments and pushing the bead portions into the bead rings are provided in an upper portion and a lower portion of a center mechanism of a vulcanizing machine . there are provided stoppers for presetting a segment expansion limit , which are adjustable according to variation of a bead diameter of a green tire , and bead height regulators , which are adjustable according to variation of a height of a green tire . the adjustment can be made to be automatic .