Pneumatic tire tread

Details Pneumatic tire tread Pneumatic tire tread

1986-01-23

1987-10-06

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1106

Patent

active

046976272

ABSTRACT:
A pneumatic tire for motor vehicles having a plurality of zigzag grooves formed in its tread circumferentially thereof, the tire being characterized in that the bottom of each of the grooves is stepped to provide a deep groove bottom along one of the walls defining the groove and a shallow flat groove bottom along the other wall.

REFERENCES:
patent: 2260193 (1941-10-01), Overman
patent: 2265543 (1941-12-01), Overman
patent: 3951193 (1976-04-01), Yeager
patent: 4423760 (1984-01-01), Treves et al.

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