BigPatents India

A tyre intended to bear heavy loads, comprising firstly a carcass reinforcement formed of at least one ply of radial cables (1) and secondly a crown reinforcement formed of at least one quasi-cylindrical ply (3) of circumferential reinforcement elements composed of metallic, inextensible main elements (30), having minimum transverse and radial dimensions at least equal to 0.09 times the square root of the circumferential radius Rs of said ply (3), the fill factor of which is at least equal to 0.70, and which is surmounted by a lenticular rubber piece (4) of a high modulus of elongation, of crescent-shaped cross-section.