| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a duct port water stop device capable of surely stopping water without fouling hands, capable of being easily removed at the time of removal, capable of exerting a water stopping property without being affected by temperature changes, and having high reliability. SOLUTION: This duct port water stop device is provided with a plug body 1 formed with a frictional elastic member such as rubber into a nearly disk shape to be fitted to a duct port 5A and having a notch section reaching a through hole passing a cable 6 at the center section, a sealing member 2 formed with a frictional elastic member such as rubber and inserted and coupled into the notch section of the plug body 1 to seal the notch section, and a spring body 3 integrally fixing the sealing member 2 and the plug body 1 in the tight state.</p> |
