GREEN TIRE MOLDING DRUM

摘要

PURPOSE: A green tire molding drum is provided to make a carcass ply more tightly contacted to a bead during the formation of a bead turnup portion. CONSTITUTION: The green tire molding drum comprises: an expansion drum portion(20) whose diameter is expandable in a radial direction; and a turnup bladder(12) which is located on a side face of the expansion drum portion(20) and forms a turnup portion surrounding a bead(13) by expansion. The turnup bladder(12) is fixed to a cylinder slidably disposed along the axis of the expansion drum portion(20).