Patent ID: 6796346
Filing Date: 2004-09-28
Classification: B60C,Y10T

Abstract:
A bias tire comprisinga tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, a carcass extending between the bead portions and comprising two cross plies of cords, a tread rubber disposed radially outside a crown portion of the carcass to define a tread face, the loss tangent of the tread rubber being in a range of 0.40 to 0.60 under a temperature of 50 deg.C., the distance between the tread rubber and the adjacent cords of the radially outermost carcass ply being at most 1.0 mm, and said two cross plies including at least one ply of PEN cords made of polyethylene 2,6 naphthalate fibers twisted together.