| 摘要 |
PROBLEM TO BE SOLVED: To stably support a bead on the drum end face and thereby make a carcass cord pass uniform. SOLUTION: A bead retaining part 12 comprising a transverse positioning face part 10 coming into contact with an inward part C1 in the tire axial direction of a bead C through a bead transverse member B and a bead receiving face part 11 supporting the inner peripheral face part C2 of the bead C through the bead transverse member B, is formed at both ends S2 of a drum 2.
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