| 摘要 |
The invention relates to the reinforcement that reinforces a passenger vehicle tyre. It targets good resistance to penetration and perforation of its crown by foreign objects, with a reinforcing architecture that is simple and lightweight. According to the invention, the hooping layer (71) has a breaking strength per mm of axial width of the hooping layer FR at least equal to 35 daN/mm, an elongation at break AR at least equal to 5% and a secant extension modulus MA at least equal to 250 daN/mm, for an applied force F equal to 15% of the rupture strength FR of the said hooping layer (71). The working reinforcement (6) comprises a single working layer (61) of which the working reinforcements form, with the circumferential direction (YY'), an angle AT at least equal to 30° and at most equal to 50°. The carcass reinforcements of the at least one carcass layer (81) form, with the circumferential direction (YY') and in the equatorial plane (XZ), an angle Ac2 at least equal to 55° and at most equal to 80° and having an orientation that is the opposite of that of the angle AT of the working reinforcers, so that the carcass reinforcers and the working reinforcers constitute a triangulation system. |
