METHOD OF AND APPARATUS FOR BUILDING GREEN TIRE

摘要

A method of building a green tire wherein a cylindrical carcass is formed on the circumference of a green tire forming portion provided with right and left shoulder formers having bead lock devices capable of expanding in diameter, the right and left shoulder formers are put in the state of being freely movable in the direction in which the right and left shoulder formers can approach or be separated from each other, the bead lock devices are expanded in the diameter in these states to lock beads, right and left shoulder formers are switched to drivable conditions, and the carcass is shaped into a toroidal form while both of the shoulder formers are driven in the direction in which they approach each other to gather up the beads. Further, an apparatus for executing this method is disclosed.