Radial tire for truck and bus having specified tread to tire wid

Details Radial tire for truck and bus having specified tread to tire wid Radial tire for truck and bus having specified tread to tire wid

1980-12-04

1982-05-11

Kittle, John E.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152352R, 152359, 152361R, B60C 300, B60C 908

Patent

active

043288502

ABSTRACT:
A structure for a radial tire for trucks and buses having textile cords in its carcass ply layer and steel cords in its belt layer is disclosed. The tire of this invention has a tread angle within a certain range, which angle is taken such as to be constituted by a line directed from a width-end point of the tire to a width-end point of the tread and a line directed from the width-end point of the tread in the straight vertical direction. More specifically, the ratio of the width of the tread to the width of the tire is so arranged that the tread angle with full air pressure be 17.degree..+-.3.degree. and the difference between the tread angle with full air pressure and the tread angle with an air pressure of 0.5 kg/cm.sup.2 be 3.degree. or less.

REFERENCES:
patent: 3090417 (1963-05-01), Spelman
patent: 3419060 (1968-12-01), Goy
patent: 3638706 (1972-02-01), Wilson et al.
patent: 4019551 (1977-04-01), Kolowski
patent: 4037637 (1977-07-01), Arimura et al.
patent: 4082132 (1978-04-01), Arai et al.
patent: 4244414 (1981-01-01), Uemura et al.

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