| 摘要 |
PROBLEM TO BE SOLVED: To enhance the drawing resistance of a stud pin without damaging the assembling workability of the stud pin.SOLUTION: A stud pin 10 to be embedded in the stud pin hole 20 formed on the tread part 2 of a pneumatic tire 1 comprises: a pin body 11 embedded in the stud pin hole 20 so that the axial line of the stud pin extends to the direction in which a tread of the tread part 2 faces the hole bottom of the stud pin hole 20; a protrusion 14 which protrudes from the peripheral part of the pin body 11 outside a radial direction and extends spirally while spacing the axial direction S of the pin body 11; and at least one protrusion 15 protruding outside the radial direction from the top of the protrusion 14.SELECTED DRAWING: Figure 3 |
