PNEUMATIC TYRE Russian patent published in 2018 - IPC B60C11/16 

FIELD: motor vehicle industry.

SUBSTANCE: invention relates to automotive industry. Tire includes a plurality of spike studs inserted into plurality of holes (20A) disposed on the tire surface. Each spike stud includes main stud portion and a flange positioned closer to each of holes (20A) lower side than the main portion, wherein the flange external diameter is greater than that of the main section. Each of the holes (20A) includes a fastening portion (22) coming into contact with the spike stud main portion outer peripheral surface for the spike stud securing, and portion (23) with enlarged diameter located closer to the opening (20A) wall lower side, than fastening portion (22) having inner diameter greater than the fastening portion (22) and coming into contact with the spike stud flange outer peripheral surface for the spike stud securing. Enlarged diameter portion (23) side wall is provided with projection (30A) passing to the hole (20A) inner portion.

EFFECT: increase in the spike studs fixing in the tire tread reliability.

5 cl, 12 dwg, 2 tbl