PNEUMATIC TIRE Russian patent published in 2015 - IPC B60C11/117 B60C11/04 

FIELD: transport.

SUBSTANCE: invention relates to tire tread. Pneumatic tire (10) tread (12) comprises two peripheral main grooves (14) made nearby the tire width centre some 1/3 of width W of the surface of contact with soil from edge (7) of said surface and oriented towards tire circumference. Central tread (16) arranged between two peripheral main grooves (14). Side grooves (18) are made on sides over tore width outside both peripheral main grooves (14). Main crosswise grooves (20) are arranged in side treads (18) extending from peripheral main grooves (14) to edges T of the surface of contact with soil. Side treads (18) include no main grooves to connect adjacent main crosswise grooves (20) with each other.

EFFECT: higher adhesion, better stability of control and acceleration characteristics on ice.

3 cl, 2 dwg, 2 tbl