Patent ID: 6857458
Filing Date: 2005-02-22
Classification: B60C,D07B,Y10S,Y10T

Abstract:
1. A pneumatic tire with a carcass having parallel cords, two sidewalls spaced apart a distance, which in the axial direction determines the general width of the tire section, two beads each one of which around which are turned up, from the inside toward the outside, the ends of the cords of the carcass, a tread disposed on the crown of said carcass, a belt structure that is circumferentially inextensible interposed between the tread and the carcass, and carcass plies disposed in said sidewalls between said two beads and said crown of said carcass, said belt structure having a width that is substantially equal to that of the tread and having carcass plies of elastomeric fabric reinforced with metallic cords, said metallic cords having a two-layer construction wherein said cord construction is 1+18, and being comprised of a plurality of filaments having a diameter (D) ranging from 0.18 to 0.38 mm, each filament having a tensile strength of at least −2000×D4400 MPa, where D is the filament diameter in mm.