Pneumatic tire including fine grooves

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

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152DIG3, B60C 1112

Patent

active

056433743

ABSTRACT:
A pneumatic tire comprising a radial carcass, a belt and a tread portion is provided at its side end region of a ground contact area of the tread portion with a plurality of fine grooves, each being a groove in which each of opposed groove walls extends slantly in substantially a direction opposite to a rotating direction of the tire toward a groove bottom of the fine groove and considerably improves a straight running stability while controlling a wandering phenomenon during the running on slant road surface.

REFERENCES:
patent: 3104693 (1963-09-01), Bolenbach
patent: 4298046 (1981-11-01), Herbelleau et al.
patent: 4836257 (1989-06-01), Mamada et al.
patent: 5158626 (1992-10-01), Himuro
patent: 5200008 (1993-04-01), Enterline et al.
patent: 5225010 (1993-07-01), Shisheng
patent: 5388625 (1995-02-01), White
Patent Abstracts of Japan, vol. 012 No. 141, (M-691), Apr. 28, 1988 & JP 62-261508.

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