PNEUMATIC TIRE Russian patent published in 2020 - IPC B60C11/12 B60C11/11 

FIELD: automotive industry.

SUBSTANCE: tire 1 tread 2 is equipped with inclined main grooves and inclined contact areas 4 with soil. Each inclined region 4 of contact with soil is divided by first vertical groove 6 onto shoulder block 10 and middle block 11 located axially inside relative to shoulder block. Shoulder block is equipped with transverse lamellae 15, the angles of which are less than 45 degrees relative to the axial direction of the tire. Middle block 11 is equipped with vertical lamels 16, angles of which relative to tire longitudinal direction make less than 45 degrees.

EFFECT: technical result is improved operational characteristics of tire on ice-covered and snow-covered road surface.

13 cl, 5 dwg, 1 tbl