FIELD: tire industry.
SUBSTANCE: proposed tire is provided with tread having two deep circular grooves separating central zone from two side shoulder zones furnished with shoulder blocks. Sum of width values of shoulder zones in tread is either equal to or less than 60% of its summary width. Width of each shoulder zone is not less than 20% of summary width. Each circular groove at side separated from central zone adjoins continuous path from which cross grooves branch to limit shoulder blocks.
EFFECT: increased wear resistance of tire.
10 cl, 9 dwg
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Authors
Dates
2005-01-27—Published
2000-06-28—Filed