Pneumatic tire with carcass ply increased in thickness partially in at least the tire shoulder portions

摘要

A pneumatic tire comprises a toroidal carcass ply composed of cords arranged radially at the same angle to the tire equator and extending continuously between the bead portions through the tread portion and sidewall portion, and the carcass ply is increased in thickness partially in at least a tire shoulder portion. A method of making the tire comprises a step of heating a raw tire, wherein a raw carcass ply is composed of cords having at least two different heat- shrinkage- percentages.