PNEUMATIC TIRE Russian patent published in 2016 - IPC B60C11/12 

FIELD: motor car construction.

SUBSTANCE: claimed tire comprises extending section (2) at the tread section. Said extending section (2) has the cutout (5) with amplitude in direction of tire circumference extending toward the tire width. Cutout (5) arranged in the depth direction extends from surface (S) toward the inner side in radial direction of the tire. It comprises the section (5a1) located from the side of extending section curved from its surface in direction of tire circumference. Section (5a2) is located from the extending section bottom side curved in direction other than that of section (5a1). The section (5a2) located from the extending section surface or curved in tire circumference direction with the shift other than that of section (5a1) located from the extending section surface. The shift of cutout section located from the extending section bottom side curved in direction of tire circumference is larger than that of the section located from the extending section surface in direction of tire circumference.

EFFECT: reliable grip on ice, dry and wet surfaces.

11 cl, 3 tbl, 27 dwg