PNEUMATIC TYRE Russian patent published in 2016 - IPC B60C11/04 B60C11/12 

FIELD: motor industry.

SUBSTANCE: invention relates to tyre tread pattern for wet and snow-covered road surface. Tyre includes a tread, a pair of central longitudinal main grooves extending on both sides of tread of tyre equatorial plane, central region of ground contact between central longitudinal main grooves, lamella, provided in a central area of contact with ground, V-shaped grooves, each of which has a vertex positioned in middle of central zone of contact area with ground, a first inclined portion extending from top of one edge of central region of contact with ground, and a second inclined portion extending from vertex to other edge of central region of contact with ground. Width of central region of ground contact is from 15 to 21 % of tread width.

EFFECT: better performance on wet and snow-covered road surface.

5 cl, 3 dwg, 1 tbl