Patent ID: 6401780
Filing Date: 2002-06-11
Classification: B60C,Y10T

Abstract:
A pneumatic tire comprising a pair of axially spaced annular beads, carcass plies wrapped around said beads, reinforcing belts disposed over said carcass plies in a crown area of said tire and gum strips associated with belt edges, tread disposed over said belts in said crown area, and an overlay interposed between said tread and said belts, and sidewalls disposed between said tread and said beads, wherein elastomers used in said belts, gum strips and overlay comprises 60 phr carbon black and 7.5 phr nylon, in rubber, said elastomer having a 100% modulus of 5.5 to 7.5, a delta torque of 52.6 dNm, a T90 of 20.3 minutes, a tensile strength 19.2 MPa, an elongation at break of 331%, a 100% modulus 6.6 MPa, a 300% modulus of 19.1 MPa, a rebound at 100Â° C. of 56, a hardness at 100Â° C. of 79, a rheovibron Eâ€² at 60Â° C. of 62 MPa, a tan delta at 60Â° C. of 0.074.