PNEUMATIC TIRE Russian patent published in 2014 - IPC B60C11/11 B60C11/117 B60C11/16 

FIELD: transport.

SUBSTANCE: invention relates to tread of tires to be used in winter equipped with antiskid studs. Proposed tire comprises tread with lengthwise blocks. Note here that said blocks comprises drilled blocks, each being provided with not-through hole to fit the stud therein. Said not-through hole is shifted towards the edge of drilled block. Raised not-through reinforcing part is made so that wall thickness (t) makes at least 5 mm for wall around said hole. Said blocks including drilled blocks feature identical geometry apart from said raised reinforcing part.

EFFECT: better run on ice and snow, sufficient life.

12 cl, 7 dwg, 1 tbl