Patent ID: 6941993

Claim:
A tire having a tread layer and at least one carcass reinforcing ply formed of reinforcement elements sandwiched between first and second calendering layers, wherein the reinforcement elements are individually coated in a rubber coating mix and are arranged parallel to each other, the first rubber calendering layer being of constant composition and properties, the composition and properties of the second calendering layer being varied according to the meridian position on the ply within the tire, wherein the second rubber calendering layer is in non-contacting, spaced relationship to the tread layer, wherein the carcass reinforcing ply has a main part and an upturned part, each part having an inner and outer face, and in which, in the main part on its axially outer face and the upturned part on its axially inner face, the carcass reinforcing ply is calendered with the first layer of constant composition and properties, whereas the opposite faces are covered with the second calendering layer of composition and properties which are varied according to the medium length of the ply within the tire.