Tires for motor vehicles

Details Tires for motor vehicles Tires for motor vehicles

1990-12-11

1993-04-20

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152210, D12146, B60C 1111

Patent

active

052039331

ABSTRACT:
There is disclosed tires for motor vehicles each having a tread provided with a plurality of large convex portions and small convex portions, the convex portions and the small convex portions being differentiated in heights and areas thereof, the small convex portions being disposed around the large convex portion for forming a plurality of normal pyramidal structures. The normal pyramidal structures are formed by disposing the large concave portion around the small concave portion. There is formed a reversed pyramidal structure by disposing the large convex portions around the small convex portion.

REFERENCES:
patent: 3001568 (1961-09-01), Suominen
patent: 3991802 (1976-11-01), Yokota et al.
patent: 4667718 (1987-05-01), Fontaine

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