Tread for a pneumatic tire

Details Tread for a pneumatic tire Tread for a pneumatic tire

1979-05-14

1981-04-21

Goolkasian, John T.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

D12147, B60C 1100, B60C 1108

Patent

active

042627206

ABSTRACT:
A tread for a pneumatic tire comprising two inner ribs extending in the circumferential direction of the tire and, to both sides thereof, tiers or block rows extending in the circumferential direction of the tire. The block rows and ribs are each separated from one another by a respective zig-zag configured circumferential groove. Each leg of the intermediate circumferential groove encloses, with the circumferential direction of the tire, an angle .alpha. of approximately 30.degree. to 50.degree., whereas the legs of the lateral circumferential grooves enclose, with the circumferential direction of the tire, an angle .beta. of approximately 55.degree. to 65.degree. and the lateral circumferential grooves are each wider than the intermediate circumferential groove.

REFERENCES:
patent: D185896 (1959-08-01), Johnson, Jr.
patent: 3584670 (1971-06-01), Verdier

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