Sumitomo Rubber Industries Limited

Katsuaki Ookochi

Kazuaki Yarimizu

Masatsugu Onuki

Nobuyuki Kikuchi

The present invention is intended to prevent the residual stress from remaining in an apex. An apparatus for automatically assembling a bead apex according to the present invention comprises: a means for joining both the longitudinal ends of a strip apex having a triangular section with one short side and two long sides and a specified length to each other, and for forming the strip apex in a cylindrical body such that the long sides become the inner and outer peripheral surfaces; a means for forming the cylindrical body into a disk-like shape such that the short side becomes the inner peripheral surface and the long sides become the axial end surfaces; and a means for joining the inner peripheral surface of the disk-like apex to the outer peripheral surface of a bead ring.

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Shirakawa, Japan

Katsuaki Ookochi