| 摘要 |
PROBLEM TO BE SOLVED: To provide an inspection method of a sipe blade and a tire molding mold, capable of easily inspecting quality of a fitting state.SOLUTION: A sipe blade 1 fitted to a tire molding mold and forming a sipe on a tread of a tire comprises: an embedded part 11 embedded in a molding face 8 of the tire molding mold; a projection part 12 projecting from the molding face 8; and a sign part 13 disposed on a boundary between the embedded part 11 and the projection part 12. Based on appearance of the sign part 13, it can be determined by visual inspection whether or not, the sipe blade 1 is properly fitted, and quality of the fitting state can be easily inspected.SELECTED DRAWING: Figure 2 |
