Pneumatic tyre

摘要

A pneumatic tubeless tyre without innerliner having a topping rubber layer which includes aligned casecords (4) therein, a rubber composition for the topping rubber layer containing no plasticiser and comprising 100 parts by weight of a rubber component consisting essentially of 50 to 90% by weight of a diene rubber and 50 to 10% by weight of brominated isobutylene/p-methylstyrene copolymer, and 1 to 10 parts by weight of a tackifier. According to the tyre, there can be provided a durable and lightweight pneumatic tubeless tyre without innerliner in which the topping rubber layer has a superior adhesion property to the embedded casecords and other tyre members containing diene rubber.