Rubber element for tire and method of manufacturing the same

摘要

A rubber element for tire comprising a bead core which is generally an annular shape, and an apex which is generally an annular shape and attached to the bead core. The apex comprises a first portion whose sectional configuration is generally a rectangle, and a second portion whose sectional configuration is generally a semiellipse and integrally molded on an outer face of the first portion. An inner face of the first portion of the apex is attached to an outer face of the bead core, whereby the apex and the bead core are united.