Tire having tread with improved wear resistance

Resilient tires and wheels – Tires – resilient – Anti-skid devices

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152DIG3, B60C 1112

Patent

active

053886259

ABSTRACT:
A tread for a tire having a mid-circumferential plane. The tread comprises a plurality of tread elements arranged in a circumferential array about the tire. The tread also comprises a plurality of transverse extending grooves. Each of the grooves separate a pair of circumferentially adjacent tread elements. An area moment of inertia is associated with each of the tread elements when viewed normal to the tread element. Each of the area moments of inertia have a respective pair of principle axes of inertia relative to the mid-circumferential plane. The angular orientation between any pair of principle axes of inertia of different tread elements is within a predetermined angular range of 40 degrees or less.

REFERENCES:
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patent: 4667718 (1987-05-01), Fontaine
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patent: 4945966 (1990-08-01), Ogawa
patent: 4994126 (1991-02-01), Lagnier
patent: 5062461 (1991-11-01), Noguchi
patent: 5078190 (1992-01-01), Wissbrock et al.
patent: 5147478 (1992-09-01), Nock et al.

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