Run flat pneumatic radial tire

Details Run flat pneumatic radial tire Run flat pneumatic radial tire

1991-06-27

1992-10-27

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152517, B60C 1700

Patent

active

051586274

ABSTRACT:
A run flat pneumatic radial tire having a flatness of 50% or less, comprising a reinforcing liner layer comprised of a high-hardness rubber having a crescent cross section disposed on the inside of a side wall portion and an inner liner layer comprising a rubber composition mainly composed of a butyl rubber provided all over the internal surface of the tire, wherein the inside of the inner liner layer in at least a region covering said reinforcing liner layer is covered with a rubber layer comprising a rubber composition mainly composed of a diene rubber having a polybutadiene rubber content of 50% by weight or more based on the rubber component.

REFERENCES:
patent: 3954131 (1976-05-01), Hoshino et al.
patent: 4140167 (1979-02-01), Bohm et al.
patent: 4549593 (1985-10-01), Yahagi et al.

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