TIRE Russian patent published in 2023 - IPC B60C11/13 

FIELD: tires.

SUBSTANCE: invention relates to a tire provided with a plurality of tread grooves on the tread section. A second tread section (32) is provided, formed by a shoulder main groove (21) and a central main groove (22) extending along the circumference of the tire, and a plurality of sets of the first lug groove (321) and the second lug groove (322) that extend on the second tread section (32) in the transverse direction of the tire and are arranged alternately in the direction along the circumference of the tire. The first tread groove (321) has one end that is connected by an opening to the shoulder main groove (21), and the other end that ends inside the second tread section (32), in which the formed groove width on one end side is greater than the groove width on the other end side, and the second tread groove (322) has one end that is connected by an opening to the central main groove (22), and the other end that ends inside the second tread section (32), in which the formed groove width on one end side is less than the width of the groove on the other end side, and one end side of the second lug groove (322), which is formed narrower, is closed in contact with the ground.

EFFECT: improved contact with ground.

10 cl, 4 dwg