Patent ID: 6817395
Filing Date: 2004-11-16
Classification: B60C,D07B,Y10S

Abstract:
A pneumatic radial ply tire has a tread, a carcass, the carcass having a steel cord reinforced radial ply extending from one annular bead to a second annular bead and a belt reinforcing structure lying radially between the tread and the carcass, the belt reinforcing structure comprising:at least two steel cord reinforced belt layers, each belt layer having steel cords having large filaments in the range of 0.3 mm to 0.6 mm in diameter twisted in a seven by seven cord construction, the cords being oriented parallel to each other within the belt layer, each belt layer having cords oppositely inclined relative to the adjacent belt layer, wherein at least one of the at least two steel cord reinforced belt layers has a cord construction of 1Ã—(0.40+6Ã—0.365)+6Ã—(0.365+6Ã—0.35).