HIGH-CAPACITY TIRE Russian patent published in 2015 - IPC B60C11/12 B60C11/13 B60C11/11 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. High-capacity tire includes tread provided with central longitudinal groove, crown longitudinal grooves at each side of this groove and crown lateral grooves passing between them thus crating blocks of crown. Crown block is additionally divided in longitudinal direction into two parts of the block by narrow groove of crown. Lateral groove of crown is provided at its bottom with web extending from bottom and connecting two crown blocks being adjacent in longitudinal direction. Lateral grooves of crown are inclined at an angle α of 10 to 30 degrees relative to axial direction of tire. The central longitudinal groove and axially-inner part of lateral crown groove which is located at axially inner side of web are of least depth than longitudinal groove of crown.

EFFECT: better tread self-cleaning of stones without creation of cracks at the bottom of groove and without performance degradation on wet road surface.

8 cl, 4 dwg, 1 tbl