FIELD: transport.
SUBSTANCE: invention relates to tread of tires to be used in winter. Tread comprises tread band with multiple grooves, blocks and complex-shape segments. Segment complex shape is defined by first ledge with top (21) at depth (P1) from tread surface. Top (21) is connected with the segment support surface (X) by first connection surface (22) facing the segment radial outer side and second connection surface (23) facing the segment inner radial side. First connection surface (22) is inclined relative said bearing surface at angle (A) of 50 to 90 degrees while second connection surface is inclined to bearing surface at angle (B) of 0 to 50 degrees.
EFFECT: better grip on dry, wet and snowy surface.
31 cl, 4 dwg, 1 tbl, 1 ex
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|---|---|---|---|
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|
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|
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|
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RU2478484C1 |
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|
RU2606251C1 |
