Heavy duty pneumatic radial tire

Details Heavy duty pneumatic radial tire Heavy duty pneumatic radial tire

1988-12-07

1990-06-19

Hoch, Raymond

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152537, B60C 918

Patent

active

049344285

ABSTRACT:
A heavy duty pneumatic radial tire includes a toroidal carcass consisting of plies having cords arranged in parallel with each other, and a plurality of belt layers interposed between the carcass and a tread of the tire. At least one of the plies has turn-up portions folded about a pair of bead cores from inside to outside of the tire. The tire comprises a crown protective layer arranged between the belt layers and the tread. The crown protective layer comprises wave-form cords or wave-form filaments. The tire further comprises a cushion rubber layer arranged radially inward of the protective layer and made of a rubber having a modulus less than 70 kg/cm.sup.2 under 100% elongated condition. A distance between cords of a radially outermost layer of the belt layers and the wave-form cords or the wave-form filaments of the radially innermost layer of the crown protective layer is more than 1.5 mm.

REFERENCES:
patent: 3126042 (1964-03-01), Cegnar
patent: 4172487 (1979-10-01), Suzuki et al.
patent: 4402356 (1983-09-01), Musy

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