SPIKE STUD AND PNEUMATIC TIRE Russian patent published in 2019 - IPC B60C11/16 

FIELD: automotive industry.

SUBSTANCE: invention relates to the automotive industry. Spike stud apex area includes the concave polygon shaped end face surface, comprising one recessed section and one protruding section on the opposite to the recessed section side. Spike stud is installed in the tenon-shaped stud mounting hole so that the protruding section faces in the travel direction in the direction along the tire circumference, and the recessed section faces against the travel direction.

EFFECT: technical result is reduction in the road surfaces wear degree during rolling on non-icy road surfaces while maintaining proper road performance on icy road surfaces.

8 cl, 11 dwg, 4 tbl