Studless tire

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

Patent

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Details

152DIG3, B60C 1112

Patent

active

056055889

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: 4200134 (1980-04-01), Takigawa et al.
patent: 4606389 (1986-08-01), Haas
patent: 5027875 (1991-07-01), Kogure
patent: 5323825 (1994-06-01), Yamagishi et al.
patent: 5361816 (1994-11-01), Hitzky
patent: 5454411 (1995-10-01), Weyrich et al.

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