A pneumatic tire, comprising a shell of reinforcing the bundle to low permeability and textile yarns, coupled with the carcass reinforcement

摘要

1. A pneumatic tire (1) with radial carcass reinforcement, formed of at least one layer (2) of metallic reinforcement elements (27, 37, 47), wherein said pneumatic tire comprises a crown reinforcement (5) is covered radially on the outside tread (6), said tread connected to two flanges (3) by two sidewalls, characterized in that the metallic reinforcing elements (27, 37, 47), at least one layer of carcass reinforcement are bundles showing under test permeability flow rate, less than 20 cm / m N, wherein at least one layer (2) of the carcass reinforcement comprises at least, on the surface of textile threads (20, 30, 40) under test having a permeability rate of between 1 to 3 cm / min.2 . A pneumatic tire (1) according to Claim. 1, characterized in that the metallic reinforcing elements (27, 37, 47), at least one layer (2) of the carcass reinforcement are at least two-layer wiring (51, 61, 71), wherein at least one inner layer is covered with a shell of a layer (54, 64, 74) formed by the non-crosslinkable polymer composition, a crosslinkable or crosslinked rubber composition, preferably based on at least a diene elastomera.3. A pneumatic tire (1) according to one of claims. 1 or 2, characterized in that the metallic reinforcing elements (27, 37, 47), at least one layer of carcass reinforcement under test permeability are flow less than 10 cm / min, and preferably of less than 2 cm / min. 4. A pneumatic tire (1) with radial carcass reinforcement, formed of at least layer (2) of the reinforcing elements, wherein said pneumatic tire comprises a crown reinforcement (5) is covered radially on the outside a tread (6), wherein said tread is connected