Patent ID: 7448423

Claim:
Tire for heavy machinery, comprising a radial carcass reinforcement surmounted radially by a working crown reinforcement, the working crown reinforcement comprising at least two axially continuous working crown plies formed by non-extensible metallic reinforcement elements crossed from one ply to the next, forming with the circumferential direction respective first angles of between 10° and 35°, wherein the working crown reinforcement is supplemented on each side of the circumferential mid-plane by at least three half-plies formed by non-extensible metallic reinforcement elements forming with the circumferential direction respective second angles of between 10° and 40°, wherein the half-ply extending axially furthest towards the outside is in contact with at least two other working crown half-plies and wherein each of the three half-plies radially cover the axially external ends of at least two continuous working crown plies.