AIR TIRE Russian patent published in 2023 - IPC B60C11/16 

FIELD: studded car tires.

SUBSTANCE: in a tire with studs (P) embedded on the surface of the tread portion (1) in contact with the road surface, the stud shape of the apex portion (24) of the studs (P) is configured to take a shape having a longitudinal direction. With respect to the plurality of the first studs (P1) whose angle formed by the longitudinal direction of the stud shape and the transverse direction of the tire is in the range of 0° to 10°, the plurality of the second studs (P2) whose angle formed by the longitudinal direction of the stud shape and a tire lateral direction greater than said first stud (P1) angle is dispersed in the circumferential direction of the tire.

EFFECT: improved noise characteristics when driving on dry road surfaces and improved performance when driving on ice.

8 cl, 5 dwg, 2 tbl