abstract |
The cotton tyre cord (1) that a kind of inclusion has the alternately cord (2,3) of different stretch prolongation property is used as the carcass reinforcement in pneumatic radial tire.This cotton tyre cord (1) is formed by the cord (2,3) with different stretch prolongation property and as the reinforcement in pneumatic radial tire, to provide the sidewall area with wavy carcass structure. |