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

FIELD: automotive industry.

SUBSTANCE: invention relates to the automotive industry. Spike stud includes a top that includes the top surface of the top, made with the possibility of contact with the road surface, and the body section, which is designed with possibility of placing on top of it. End surface of the top, made with the possibility of contact with the road surface, contains an axis of symmetry, which defines the mirror-symmetrical shape of the end surface; the center of mass of the shape of the end surface offset to the first side in the axial direction relative to the midpoint in the range, covered end surface in the axial direction of the axis of symmetry; and an in-depth portion deepened into the inside surface. Recessed area is provided at the periphery of the end surface, passing between the first most distal end portion and the second most distal end portion. First most distal end portion is located on the axis of symmetry of the end surface furthest from the center of mass on the first side, and the second most distal end portion is located furthest from the center of mass on the second side opposite to the first side.

EFFECT: technical result – improved tire performance on ice and reduced pavement wear.

11 cl, 7 dwg, 1 tbl