| 摘要 |
Provided are: a stud pin and a tire, which exhibit improved driving and braking performances on icy and snowy road surfaces as well as improved stud-off resistance. The stud pin is intended to be used on a tire. The stud pin comprises: a body part 1 which is embedded in a tire tread; and a pin portion 2 which is arranged in a protruding manner on one end of the body part and protrudes from the surface of the tire tread, the body part comprising a main body part 3 and a flange portion 4. The main body part assumes a line-symmetrical shape having two symmetry axes A and B that are perpendicular to each other; the flange portion assumes a line-symmetrical shape having at least one symmetry axis; when a symmetry axis of the flange portion that represents a maximum length of the flange portion in the axial direction is defined as longitudinal symmetry axis C, the maximum length of the flange portion in the direction perpendicular to the longitudinal symmetry axis C is shorter than the length of the flange portion along the longitudinal symmetry axis C; and, when the lengths of the main body part on the symmetry axes A and B of the main body part are defined as La and Lb, respectively, the symmetry axis A satisfying La ‰¥ Lb and the longitudinal symmetry axis C of the flange portion are in substantially the same direction. |
