TREAD BAND COMPRISING CURVED BLOCKS WITH SIPES Russian patent published in 2018 - IPC B60C11/03 B60C11/12 B60C11/113 

FIELD: transportation.

SUBSTANCE: invention relates to the automotive industry and is intended primarily for use on icy or snow-covered roads. Tread band (1) for a tyre comprises two sides (3) with a predetermined distance D between said two sides (3) and centre (5). Said tread band has plurality of blocks (7), each block extending continuously in a curved manner to one side (3) of the tread band towards centre (5) of said tread band with no groove separating the block into different parts, the block following a certain curvature C. All or part of the blocks of the plurality of blocks comprise main sipe (9) extending in block (7) and following the same curvature C, said sipe separating the block into two halves (7a, 7b).

EFFECT: longevity of the tyre.

5 cl, 2 dwg