Radial tire including two small slant belt layers

Details Radial tire including two small slant belt layers Radial tire including two small slant belt layers

2007-01-30

2007-01-30

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S526000, C152S531000, C152S538000

Reexamination Certificate

active

10479712

ABSTRACT:
This invention is concerned with a radial tire, particularly a heavy duty radial tire aiming at the improvement of durability, and is characterized by rendering a ratio W2/W1of width W1of a belt layer located side a carcass to width W2of the remaining belt layer in small slant belt layers arranged at a width corresponding to 0.25–0.50 times a tread width in a widthwise direction of the tire, whereby growth and progress of cracks in the vicinity of cord ends of cords used in the belt resulting in separation failure at widthwise ends of the belt are effectively prevented to overcome a weak point in the tread reinforcement of the radial tire.

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