Radial tire tread for truck or bus

Details Radial tire tread for truck or bus Radial tire tread for truck or bus

1986-05-16

1988-03-22

Ball, Michael

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1104

Patent

active

047321954

ABSTRACT:
A radial tire for trucks or buses constructed to eliminate the drawback of shoulder wear and improve the its wet-grip performance and having a tread part, divided into at least five ribs with at least four circumferentially extending longitudinal grooves; auxiliary grooves interconnecting adjacent longitudinal grooves and dividing each of the ribs into separated blocks; and the depth of the auxiliary grooves gradually decreasing toward the shoulder part of the tire.

REFERENCES:
patent: 3707177 (1972-12-01), Boileau
patent: 4223712 (1980-09-01), Iwata et al.
patent: 4412575 (1983-11-01), Maeda et al.
patent: 4619300 (1986-10-01), Tokunaga et al.

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