| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal structure that can prevent a reduction in watertightness when water pressure is applied to a seal part.SOLUTION: A seal structure includes a wall part 11 with a through hole 12 formed thereon; piping 14 inserted through the through hole 12; and a seal part provided between the inner peripheral wall 13a of the through hole 12 and the outer peripheral wall 14a of the piping 14 to secure watertightness between them. The seal part includes a filling sealant 17 filled between the inner peripheral wall 13a of the through hole 12 and the outer peripheral wall 14a of the piping 14; and a pressing body provided in the filling sealant 17 and expanded to increase bearing pressure with respect to the inner peripheral wall 13a of the through hole 12 and the outer peripheral wall 14a of the piping 14 by the filling sealant 17. |
