Motor vehicle tire with low rolling resistance

Details Motor vehicle tire with low rolling resistance Motor vehicle tire with low rolling resistance

2006-12-19

2006-12-19

Fischer, Justin (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S539000, C152S543000, C152S548000

Reexamination Certificate

active

07150301

ABSTRACT:
A tire for a motor vehicle includes at least one carcass ply, a belt structure radially external to the at least one carcass ply, a tread band radially external to the belt structure, a pair of sidewalls axially-external to the at least one carcass ply, and a pair of beads. The beads include bead wires or circumferentially-inextensible annular inserts. Opposite lateral edges of the at least one carcass ply are associated with respective beads. The at least one carcass ply includes a first composition having an elastic modulus at 70° C. less than or equal to 5.0 MPa and a viscous modulus at 70° C. less than or equal to 0.50 MPa. The sidewalls include a second composition having an elastic modulus at 70° C. greater than or equal to 3.5 MPa and a viscous modulus at 70° C. less than or equal to 0.50 MPa.

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