| 摘要 |
PROBLEM TO BE SOLVED: To provide technological means capable of easily removing a silencer from a wind instrument.SOLUTION: A silencer 1 comprises a tubular trunk 11 and a bottom part 12 closing a large-diameter side end 11a of the trunk 11, and irregularities are provided on an outer wall in the vicinity of the bottom part 12 in the trunk 11. Namely, on the outer wall in the vicinity of the bottom part 12 in the trunk 11, a concave part 21 recessed toward the axis of the trunk 11 and a convex part 22 projecting a direction away from the axis of the trunk 11 are provided, and the concave part 21 and the convex part 22 are repeatedly provided alternately at equal intervals along the periphery of the axis of the trunk 11. |
