Studless tire

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

Patent

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Details

152523, 152DIG3, B60C 1101, B60C10100, B60C10700

Patent

active

055713513

ABSTRACT:
A studless tire with a tread pattern comprising blocks that are defined by longitudinal and transverse grooves and having at least one row of blocks that extends in the peripheral direction of the tire. The peripheral rows of blocks are such that at least one sub-block is provided within one pitch of the tread pattern outside an adjacent block in the tire's rotating axle. And the sub-block is separated from the block by a sub-groove less deep than the longitudinal and transverse grooves and has the longer side in the peripheral direction and the shorter side in the direction of the rotating axle.

REFERENCES:
patent: D214355 (1969-06-01), Sangiovanni
patent: 2972368 (1961-02-01), Williams
patent: 4200134 (1980-04-01), Takigawa et al.
patent: 4606389 (1986-08-01), Haas
patent: 4957149 (1990-09-01), Iuchi
patent: 5027875 (1991-07-01), Kogure
patent: 5323825 (1994-06-01), Yamagishi et al.

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