Tire with a reinforced belt band of alternating first and second

Details Tire with a reinforced belt band of alternating first and second Tire with a reinforced belt band of alternating first and second

1996-02-27

1997-12-09

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152526, 152527, 152531, 152533, 152536, 152537, B60C 100, B60C 918, B60C 920

Patent

active

056955782

ABSTRACT:
A pneumatic tire particularly adapted for cars, is provided with belt strips (7, 8) each comprising a first and a second series of cords (7a, 7b, 8a, 8b) made of different materials, alternated with each other axially across the width of the tire according to a preestablished sequence. The cords (7b, 8b) of the second series, made of aramid or glass for example, cooperate with those of the first series (7a, 8a), made of steel, to withstand tensile stresses in the longitudinal direction. Conversely, the cords (7b, 8b) of aramid or glass have a greater compliance than the steel cords (7a, 8a) towards compressive stresses. The elastomer incorporating the cords (7a, 7b, 8a, 8b) is filled with reinforcing fibers, short aramid fibers or aramid pulp for example, and has a modulus of elasticity between 15 and 50 megapascals.

REFERENCES:
patent: 3570575 (1971-03-01), Marker et al.
patent: 3772130 (1973-11-01), Marzocchi
patent: 3919018 (1975-11-01), Schroeder
patent: 4073330 (1978-02-01), Allard
patent: 5351735 (1994-10-01), Okuda
patent: 5404924 (1995-04-01), Yuze
Patent Abstracts of Japan, vol. 18, No. 398 (M-1645), 26 Jul. 1994 and JP-A-06 115307, 26 Apr. 1994 (Bridgestone Corp.).

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