Pneumatic radial tire having belt reinforcements

Details Pneumatic radial tire having belt reinforcements Pneumatic radial tire having belt reinforcements

1988-12-23

1990-08-14

Hoch, Raymond

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152537, B60C 926

Patent

active

049479164

ABSTRACT:
Pneumatic radial tires are disclosed which are comprised of two or more belt plies reinforced respectively with an aramid fiber cord and a steel wire cord. Both cords are coated with one and the same rubber composition made up of a selected class of starting rubbers, sulfer, resorcinol and/or its precondensate, hexamethoxymethylmelamine and a selected class of cobalt compounds derived from organic acids. The belt plies excel in water-resistant adhesion and heat resistance and thus have freedom from ply separation, contributing to a radial tire of improved durability.

REFERENCES:
patent: 4602666 (1986-07-01), Kabe et al.
Tate, P. E. R., Rubber World, "Maximize Steel Cord Adhesion Using A System of Cobalt and Resorcinol/Formaldehyde Resin", Apr. 1985, pp. 37, 38, 40, 41, 43, 44.

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