Patent ID: 7213626
Filing Date: 2007-05-08
Classification: B60C,Y10T

Abstract:
1. A tire for a heavy vehicle, comprising a radial carcass reinforcement radially surmounted by a working crown reinforcement, composed of at least two continuous working crown plies formed by metal reinforcing elements which cross from one ply to the next, forming angles α, α′ of between 10° and 35° with the circumferential direction, the at least two working crown plies having different respective axial widths, wherein the working crown reinforcement is completed on each side of the circumferential center plane by at least two half-plies whereof the metal reinforcing elements form angles β, β′ greater than the smallest of the angles α, α′ with the circumferential direction, wherein axially outer ends of the half-plies are not radially aligned, and the half-ply extending farthest radially outwardly is in contact with the axially widest continuous working crown ply, and wherein the half-plies radially cover the axially outer end of said axially widest working ply.