PNEUMATIC TIRE Russian patent published in 2010 - IPC B60C11/11 B60C11/01 B60C11/04 B60C11/12 B60C11/13 

FIELD: transport.

SUBSTANCE: proposed invention relates to automotive industry. Central groove (14) directed along circumference is arranged on equator (CL) of tread (12). Note here that first transverse grooves (20) are arranged on both sides of aforesaid central groove that are formed with smaller angle with respect to tire axial direction compared with first transverse groove (20).One end of every first transverse groove (20) and one end of every second transverse groove (22) are connected with shoulder zone groove (18) directed along circumference, while shoulder zone transverse grooves (23) are arranged on outer side of every shoulder zone groove (18) directed along circumference. Every shoulder zone transverse groove (23) runs from jointing part towards tread edge (12E) and is formed at smaller angle to tire axial direction than that of first transverse groove (20).

EFFECT: higher adhesion of tire.

7 cl, 6 dwg