| 摘要 |
PROBLEM TO BE SOLVED: To provide a smokeproof door capable of speedily and securely preventing smoke circulating a space.SOLUTION: A smokeproof door D includes: a door body 1 openably and closably mounted on an opening of a building; a belt-like bag body 2 which is disposed on the peripheral surface of the door body 1 or the surface of the opening opposite to the peripheral surface of the door body 1, can be inflated and contracted, and is fire-resistant; a high pressure gas filling device 3 for filling gas in the belt-like bag body 2 to inflate the belt-like bag body 2; and a man-power type pump 4 for filling the gas in the belt-like bag body 2 by man power to inflate the belt-like bag body 2. |
