| 摘要 |
PURPOSE: A water permeable fire door is provided to prevent toxic gas from flowing into a building by attaching packings on the door and a door frame. CONSTITUTION: A water permeable fire door is composed as follows. The door is coupled to a door frame. An empty space is formed between the door and the door frame. A water permeable hole(5) is formed in the bottom of the door. A drainage hole(4) is formed in the door frame. A water permeable port(3) is coupled to the drainage hole so that the drainage hole can be connected to an external water pipe. Multiple water discharge holes(6) are formed in the top of the door and the door frame. Packings(7) are attached between the door and the door frame. |
