| 摘要 |
PROBLEM TO BE SOLVED: To provide an acoustic insulation material that can easily maintain a shape of the acoustic material wound around a pipe, and to provide an acoustic insulation pipe.SOLUTION: An acoustic insulation material 12 has a first outside edge 21 and a second outside edge 31 which are made to abut on each other when wound around a pipe. The outside edge 21 and the second outside edge 31 have recesses 23, 34 having a pair of inside faces, and a first lock part 22 and a second lock part 32 for locking the first outside edge 21 and the second outside edge 31 in relation to protrusions 24, 33 having a pair of outside faces. An acoustic insulation pipe has an adhesive member which is arranged so as to straddle the first outside edge 21 and the second outside edge 31. |
