AIR TIRE Russian patent published in 2015 - IPC B60C11/12 

Abstract RU 2566517 C2

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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RU 2 566 517 C2

Authors

Trombin Andrea

Montezello Stefano

Kolombo Dzhanfranko

Dates

2015-10-27Published

2012-02-23Filed