Pneumatic tire

Details Pneumatic tire Pneumatic tire

1995-02-28

1998-06-16

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C10100

Patent

active

057663831

ABSTRACT:
A pneumatic tire with a low aspect ratio of 0.55 to 0.70 comprising a tread provided with four circumferential grooves disposed symmetrically about the tire equator plane to divide the tread into axially spaced five land portions, at least one of the five land portions having a set of lateral grooves crossing the land portion. A sea area ratio Ss/S of a total area Ss of grooves to a total area S of a tread surface is 0.20 to 0.27. A distance La from the tire equator plane to the inner groove edge of the inner circumferential groove among the four circumferential grooves is 0.090 to 0.125 times a tread width TW, and a distance Lb from the tire equator plane to the inner groove edge of the outer circumferential groove among the four circumferential grooves is 2.5 to 3.0 times the distance La.

REFERENCES:
patent: D266919 (1982-11-01), Bennett
patent: 4456046 (1984-06-01), Miller
patent: 5000239 (1991-03-01), Brayer et al.
patent: 5213641 (1993-05-01), Tsuda et al.
patent: 5269357 (1993-12-01), Killian
patent: 5309963 (1994-05-01), Kakumu et al.
patent: 5309965 (1994-05-01), Williams

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