| 摘要 |
The invention relates to a tire having a radial carcass reinforcement consisting of at least one layer of metal reinforcing elements, said tire including a top reinforcement, which is radially shrouded by a tread, said tread being joined to two beads via two sidewalls. According to the invention, at least 70% of the metal reinforcing elements of at least one layer of the carcass reinforcement are unbanded cables, which, in the so-called permeability test, have a flow rate less than 20 cm3/mn, at least 1% of the reinforcing elements of said at least one carcass reinforcement layer being capillary tubes and, in a plane having a section perpendicular to the axis of the capillary tube, the ratio of the surface of the opening to the surface of material being greater than 0.4%. |
