| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a waterproof door capable of maintaining a cut-off function even when high water pressure acts on a door body in a cut-off state.SOLUTION: A waterproof door includes a shutter curtain that has a first surface part on a first side and a second surface part on a second side and that closes a building opening to partition it into the first and second sides, and horizontal pressing means that abuts on the first surface part of the shutter curtain in a fully closed state to horizontally press the shutter curtain to the second side from the first side. A center post 9 is installed on the second side of the shutter curtain in the fully closed state in the state of closely facing or coming into contact with the second surface part of the shutter curtain.</p> |
