Pneumatic tire

Details Pneumatic tire Pneumatic tire

1986-08-12

1988-01-05

Czaja, Donald E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152548, 152558, 152561, B60C 904, B60C 918

Patent

active

047169516

ABSTRACT:
In a pneumatic tire of a structure in which a belt-reinforcing layer is overlaid and interposed between a tread and a carcass cord layer, the belt-reinforcing layer consisting of a transient-reinforcing layer positioned in contact with the carcass cord layer with its reinforcing cords disposed at an angle of between 40.degree. to 75.degree. with respect to the circumferential direction of the tire, and at least two belt-resistant layers, the lower one thereof being laid over the transient-reinforcing layer with its reinforcing cords disposed at an angle of between 15.degree. to 30.degree. with respect to the circumferential direction of the tire, and the upper one with its reinforcing cords disposed at an angle of between 150.degree. to 165.degree. thereto, the tire is improved in that the carcass cord layer is formed of a single layer and the reinforcing cords in the carcass cord layer are arranged so that their angle with respect to the circumferential direction of the tire is between 75.degree. to 85.degree. when measured from the side on which the angle of the reinforcing cords in the transient-reinforcing layer is an acute angle with respect to the circumferential direction of the tire.

REFERENCES:
patent: 3896869 (1975-07-01), Fujishima et al.
patent: 4446905 (1984-05-01), Tamura et al.
patent: 4469158 (1984-09-01), Kabe et al.

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