Patent ID: 7404425
Filing Date: 2008-07-29
Classification: B60C,Y10T

Abstract:
1. A pneumatic tire comprising: at least one pair of parallel annular beads; at least one carcass ply wrapped around said beads; a tread; first and second sidewalls disposed between said tread and one of said at least one pair of beads; and a crown reinforcing structure disposed between said at least one carcass ply and said tread in a crown area of said tire, said crown reinforcing structure including a plurality of spliced belt plies reinforced with steel cords and a single helically wound belt ply reinforced with high elongation steel cords each having a 4×7 cord construction with an elongation at break of 1.50% to less than 4% and a lay length of less than 15 mm, said single helically wound belt ply being located between said at least one carcass ply and said spliced belt plies.