PNEUMATIC TIRE Russian patent published in 2011 - IPC B60C11/01 B60C11/12 B60C11/13 B60C13/02 

FIELD: transport.

SUBSTANCE: invention relates to automotive tire to be used on ice- or snow-covered roads. Proposed tire comprises tread 2 including ring shoulder grooves 6c running nearby edges E of contact with soil, and transverse shoulder grooves 7d arranged between said groove 6c and said edge E. Said tire shoulder features such shape that protector outer surface 2a and tire side surface 14 located radially inward and axially outward from aforesaid edge E intersect to form an edge or and angle wherein each shoulder block B4 is furnished with lengthwise lamella 11 in zone running axially inward from said edge E for 2 mm or more, and for 10 mm or less. Tire side surface 14 is furnished with recess 15 located in lengthwise direction in at least a part of raised region produced by the ledge of lengthwise lamella 11 on said surface 14, while radially recessed edge of recess 15 is located in radial position corresponding to zone making 505 to 100% of the depth of lengthwise lamella 11.

EFFECT: preventing wobble, reduced wear.

5 cl, 7 dwg