Off-the-road heavy duty pneumatic radial tire

Details Off-the-road heavy duty pneumatic radial tire Off-the-road heavy duty pneumatic radial tire

1989-04-12

1991-07-02

Dawson, Robert A.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152538, B60C 918

Patent

active

050278770

ABSTRACT:
An off-the-road heavy duty pneumatic radial tire is suitable to be used on irregular grounds or roads. The tire includes a carcass of radially arranged cords and a belt of a plurality of rubber coated steel cords. The belt comprises a main layer of first, second and third layers whose cords in adjacent layers are arranged inclined reversely to each other with respect to an equatorial plane of the tire and a protective layer laminated on the main layers. Cords of the protective layer are high elongation cords whose tensile breaking elongation is 1.4 to 3.0 times that of the cords of the main layer of the belt. The second layer is narrower than the adjacent first layer and much narrower than the adjacent third layer. The protective layer extends wider than the widest third layer. Edges of the protective layer are on extensions of a center line of a total thickness of the main layers.

REFERENCES:
patent: 4702293 (1987-10-01), Iwata et al.

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