Pneumatic radial tire with zero degree damper layers between bel

Details Pneumatic radial tire with zero degree damper layers between bel Pneumatic radial tire with zero degree damper layers between bel

1978-09-14

1981-03-31

Powell, William A.

Resilient tires and wheels

Tires, resilient

Patches

152361DM, 152362R, 152354R, B60C 920, B60C 1506, B60C 902

Patent

active

042587751

ABSTRACT:
A pneumatic radial tire including a tread, a pair of sidewalls, bead portions having bead wires therein and fiber cord radial carcass extending between the bead portions through the sidewalls and the tread, and a belt layer of plural metal cord layers above the carcass in the tread, the metal cords lying in radial planes of the tire. At least one rubber coated damper layer is positioned between belt plies in ends of the belt layer with cords arranged in directions substantially 90.degree. to the radial planes or 0.degree. to circumferential planes. The tire according to the invention further comprises high elastomeric rubber fillers having a 20% extension modulus of at least 30 kg/cm.sup.2 extending from the bead wires to the center zones of the sidewalls. The tire according to the invention is capable of preventing "standing waves" to thereby improve the durability of the tire for high speed travelling.

REFERENCES:
patent: 3386487 (1968-06-01), Massoubre
patent: 4120338 (1978-10-01), Mirtain
patent: 4139040 (1979-02-01), Samoto et al.

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