BEAD FORMING APPARATUS AND FORMING METHOD

摘要

A bead forming apparatus including: a rotatable drum having a plurality of divided bodies dividedly arranged along a circumference and being adapted to be wrapped therearound with a belt-shaped bead filler having a short base and two other long sides in an annular shape; a plurality of erection arms provided along the circumference and swingably supported by the divided bodies of the rotatable drum so as to erect the bead filler by swinging the erection arms; and a swing device for swinging the erection arms; and a plurality of slide members provided as contact portions of the erection arms that come into contact with the bead filler so that the bead filler can be radially slidable relative to the erection arms.

主权项

1. A bead forming apparatus comprising:
a rotatable drum having a plurality of divided bodies dividedly arranged along a circumference of the rotatable drum and being adapted to be wrapped with a belt-shaped bead filler having a short base and two other long sides, around the rotatable drum in an annular shape; a plurality of erection arms provided along the circumference and respectively swingably supported by the divided bodies of the rotatable drum so as to erect the bead filler by swinging the erection arms; a swing device for swinging the erection arms; and a plurality of slide members provided as contact portions of the erection arms that come into contact with the bead filler so that the bead filler can be radially slidable relative to the erection arms.