All-season pneumatic tire with chamfered tread blocks

Details All-season pneumatic tire with chamfered tread blocks All-season pneumatic tire with chamfered tread blocks

1986-01-29

1987-09-01

Ball, Michael

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1111

Patent

active

046901892

ABSTRACT:
All-season radial-ply pneumatic tire for passenger and light truck vehicles. A rubber tread is positioned radially outwardly of a carcass ply and belt structure. The tread has grooves that define blocks of rubber spaced apart circumferentially around the tread. Circumferentially-spaced corners of the rubber blocks are chamfered toward the respective bottoms of the grooves, thereby, to increase their respective stiffnesses to improve their uniformity of wear and also to reduce the amplitude of sound frequencies generated by the tire in normal use.

REFERENCES:
patent: 3055410 (1962-09-01), Caulkins
patent: 4122879 (1978-10-01), Takigawa et al.
patent: 4177850 (1979-12-01), Ogawa et al.
patent: 4619300 (1986-10-01), Tokunaga et al.

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