AIR TIRE WITH RADIAL CORD Russian patent published in 2015 - IPC B60C11/04 B60C11/117 B60C11/13 

FIELD: transport.

SUBSTANCE: proposed tire comprises directed patter defining the direction of tire rotation and at least one crosswise groove on tread surface extending from tread edge and inward in direction over tread width beyond central point P of tread width half. Here this tread edge is located whereat groove wall of expulsion side has of at least one crosswise groove has the ledge. The latter extends towards inlet side groove wall relative to point Q. The latter represents the mid distance, over tread width, from tread edge to point P of tread width half. Note here that said ledge extends from position between points P and Q and inward beyond point Q in direction over the tread width.

EFFECT: higher resistance to abrasive wear.

4 cl, 6 dwg, 1 tbl