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

FIELD: transport.

SUBSTANCE: invention relates to high-speed pneumatic tire. This tire comprises tread with asymmetric pattern including the following elements. Two lengthwise grooves of the crown arranged on each side of tire equator to define the crown rib there between. Central narrow lengthwise groove of the crown and cooling cutouts at the crown rib outer side. Cooling cutouts are arranged at the crown rib inner side. Cooling bores are located on the surface of contact between soil and crown outer surface and cooling bores located at the surface of contact between soil and crown inner side.

EFFECT: longer service life at high speed, better stability and wear resistance.

8 cl, 7 dwg, 1 tbl