PNEUMATIC TIRE Russian patent published in 2015 - IPC B60C11/11 

FIELD: transport.

SUBSTANCE: invention relates to pneumatic tire suitable for use in winder. Claimed tire comprises tread extending in circumference of this tire to define a ring shape, two side strips and two beads. Said tread has multiple lengthwise grooves and multiple side grooves. Both lengthwise and side grooves define the boundaries of multiple rows of segments each including multiple segments. Each said segment of one of their rows has at least three closed grooves. One groove, a closed first groove, is arranged on shoulder zone side in every segment with closed channels and at least two grooves, each representing second closed groove, are arranged on the tire equator line side in each segment provided with closed grooves.

EFFECT: good grip on ice and snow.

10 cl, 13 dwg, 2 tbl