Pneumatic radial tire

Details Pneumatic radial tire Pneumatic radial tire

1985-07-31

1987-09-29

Czaja, Donald E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152526, 152538, B60C 918, B60C 928

Patent

active

046963359

ABSTRACT:
A pneumatic radial tire comprising a belt portion disposed between the tread portion and the carcass portion wherein the belt portion is constituted by at least a pair of first belts, a second belt and a third belt which are arranged from radially inward to outward, the first, second and third belts having a first series, second series and third series of parallel cords embedded therein, respectively. The first belts being laterally spaced apart a predetermined lateral space symmetrically with respect to the mid-circumferential centerline and the cords thereof are disposed at an angle of between 40 to 60 degrees with respect to the mid-circumferential centerline. The spaced-apart first belts have opposite lateral ends which are located within less than 5 percent of a belt width of the third belt from the corresponding opposite lateral ends of the third belt, respectively. The first series of the cords of the first belt and the second series of the cords of the second belt are oriented in same directions, while the second series of the cords of the second belt and the third series of the cords of the third belt are oriented in opposite directions with each other.

REFERENCES:
patent: 2958359 (1958-02-01), Boussu et al.
patent: 3195604 (1965-07-01), Boussu et al.
patent: 3224481 (1965-12-01), Lugli
patent: 3243338 (1966-03-01), Jackson
patent: 3677319 (1972-07-01), Mirtain
patent: 3789898 (1974-02-01), Montagne
patent: 3842884 (1974-10-01), Bertrand
patent: 4262726 (1981-04-01), Welter

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