Pneumatic radial tire including false dividing groove

Details Pneumatic radial tire including false dividing groove Pneumatic radial tire including false dividing groove

1999-01-07

2000-09-26

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

15220928, B60C 1111, B60C10700, B60C11500

Patent

active

061231290

ABSTRACT:
A pneumatic radial tire for passenger car has a directional tread pattern (with respect to a rotating direction of tire) defined by a circumferential center groove, a plurality of directional slant grooves disposed at intervals in the circumferential direction of the tire, and a plurality of blocks formed at intervals in both circumferential and axial directions of the tire, in which these blocks form a pair of central block rows and a pair of side block rows, and surfaces of acute corner portions of blocks constituting the central block row and the side block row located outward and inward in the axial direction of the tire at given length, and chamfered acute corner portions of blocks constituting the central block row and the side block row are connected to each other at their chamfered shallowest tips.

REFERENCES:
patent: 580070 (1897-04-01), Welch
patent: 4690189 (1987-09-01), Bradisse et al.
patent: 5109903 (1992-05-01), Watanabe et al.
patent: 5609699 (1997-03-01), Himuro
patent: 5707461 (1998-01-01), Himuro
patent: 5714021 (1998-02-01), Ochi
patent: 5885384 (1999-03-01), Himuro

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