Pneumatic tire with groove steps having sipes

Details Pneumatic tire with groove steps having sipes Pneumatic tire with groove steps having sipes

1995-02-09

1996-02-20

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152DIG3, B60C 1112, B60C 1113

Patent

active

054921619

ABSTRACT:
A pneumatic tire for preventing stones from being retained in the tread grooves whereby steps are provided on the lower half portion of the sidewalks of the grooves so as to extend from a side of the tread groove toward the center part thereof reducing the width of the groove in the lower part, and a plurality of narrow sipes are formed on end of the steps in a direction interesecting the tread groove.

REFERENCES:
patent: 3893498 (1975-07-01), Wayne
patent: 3951193 (1976-04-01), Yeager
patent: 4703788 (1987-11-01), Kusube et al.

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