PNEUMATIC TIRE Russian patent published in 2016 - IPC B60C13/02 B60C17/00 

FIELD: motor car construction.

SUBSTANCE: claimed tire comprises the recess (62) made in side strip. Said recess (62) is shaped to a circle. Said recess (62) has inclined surface (66) and bottom surface (68). Recesses (62) include a small ledge (70). The latter is arranged at the inclined surface (66) and shaped to the ring and features the rectangular cross-section. Said ledge (70) is located concentric with the shape of said recesses (62). The area of inclined surface (66) includes said ledge (70) is larger than that of the like inclined surface but without said ledge (70). The height of said small ledge makes 0.25-1.0 mm while the width of said ledge makes 0.25-1.0 mm.

EFFECT: longer life of tire.

5 cl, 10 dwg, 4 tbl