JP4441216B2 - 防火区画用スクリーンシャッター装置 - Google Patents
防火区画用スクリーンシャッター装置 Download PDFInfo
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- JP4441216B2 JP4441216B2 JP2003301661A JP2003301661A JP4441216B2 JP 4441216 B2 JP4441216 B2 JP 4441216B2 JP 2003301661 A JP2003301661 A JP 2003301661A JP 2003301661 A JP2003301661 A JP 2003301661A JP 4441216 B2 JP4441216 B2 JP 4441216B2
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Description
前記スクリーン幕を巻き取るための巻取軸における前記重合部分の巻取り位置にその巻取り厚みに応じて小径化した同心状のガイド溝を形成するとともに、ガイド溝近辺に半円弧状をなして前記重合部分に接する板バネを設け、前記板バネは、巻取り始めにおいては径が縮小状態になっており、巻取りによる巻き重ねにより順次拡径しつつ前記重合部分の外周に摺接して当該重合部分を前記ガイド溝側に押圧付勢することを特徴とする。
1a ガイド溝
2 スクリーン幕
2a 避難扉
2b 固定側
3 ウエイト
5 小扉
S スリット
11 気流通過防止用テープ
12 弾性材
Claims (1)
- 建物内の火災発生時において火災の延焼や煙の拡散を阻止するために降下して前記建物を区画する一枚のスクリーン幕又は面方向に所定の重なり合う部位を有して連続配置される複数枚のスクリーン幕と、該スクリーン幕の下縁に取付けられてスクリーン幕をその荷重により下降方向に付勢し当該スクリーン幕が展長した状態で床面に着床するバー状のウエイトとを備え、
前記一枚のスクリーン幕は、固定側スクリーン幕と、避難扉とを有し、
前記一枚のスクリーン幕における前記固定側スクリーン幕と前記避難扉とが重なり合う重合部分、又は前記複数のスクリーン幕の重合部分を有する防火区画用スクリーンシャッター装置において、
前記スクリーン幕を巻き取るための巻取軸における前記重合部分の巻取り位置にその巻取り厚みに応じて小径化した同心状のガイド溝を形成するとともに、ガイド溝近辺に半円弧状をなして前記重合部分に接する板バネを設け、
前記板バネは、巻取り始めにおいては径が縮小状態になっており、巻取りによる巻き重ねにより順次拡径しつつ前記重合部分の外周に摺接して当該重合部分を前記ガイド溝側に押圧付勢することを特徴とする防火スクリーン用シャッター装置。
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JP2003301661A JP4441216B2 (ja) | 2003-08-26 | 2003-08-26 | 防火区画用スクリーンシャッター装置 |
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JP2003301661A JP4441216B2 (ja) | 2003-08-26 | 2003-08-26 | 防火区画用スクリーンシャッター装置 |
Publications (2)
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JP2005066106A JP2005066106A (ja) | 2005-03-17 |
JP4441216B2 true JP4441216B2 (ja) | 2010-03-31 |
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JP2003301661A Expired - Fee Related JP4441216B2 (ja) | 2003-08-26 | 2003-08-26 | 防火区画用スクリーンシャッター装置 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4712441B2 (ja) * | 2005-05-24 | 2011-06-29 | 三和シヤッター工業株式会社 | 防火シートシャッター |
JP4712442B2 (ja) * | 2005-05-24 | 2011-06-29 | 三和シヤッター工業株式会社 | シートシャッター |
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