TUBELESS TIRES FOR TRUCK AND BUS

摘要

Tubeless tires for truck and bus having radial carcass plies of polyester cords turned up around bead wires from the inside to outside. The polyester cords not less than 4,500 d are used for the carcass plies. The compressibility of an under-bead portion, or the portion between the bead wire and a bead base is so defined as 4 % to 35 % as to its entirety and 7 % to 70 % as to rubber compounds contained therein. The most preferable compressibility is so defined as 15 % to 20 % as to the entirety and 30 % to 35 % as to rubber compounds.