SMOKE-PROOF VERTICAL WALL AND CONSTRUCTION METHOD OF THE SAME

PROBLEM TO BE SOLVED: To provide a smoke-proof vertical wall that can be easily mounted in a system ceiling, and a construction method of the same.SOLUTION: A groove part 71a extending in the horizontal direction is formed in a ceiling frame member 21. A pair of lower plate parts (plate parts) 75, 7...

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Hauptverfasser: MARUYAMA SATORU, SIBUYA KAZUTOSHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a smoke-proof vertical wall that can be easily mounted in a system ceiling, and a construction method of the same.SOLUTION: A groove part 71a extending in the horizontal direction is formed in a ceiling frame member 21. A pair of lower plate parts (plate parts) 75, 75 projected into the direction coming close to each other is formed in the direction crossing to the extending direction of the groove part 71a at the lower side of the groove part 71a. The groove part 71a is opened downward by the interval being opened between tips of the pair of lower plate parts 75, 75. A fixture 4 has a receiving nut 41 inserted into the groove part 71a and locked to the ceiling frame member 21, and a mounting screw 42 screwed with the receiving nut 41 and mountable to a horizontal frame material 3 along with the receiving nut 41. The receiving nut 41 is formed in a long-length, and a longitudinal size is formed in the size longer than the interval of the pair of lower plate parts 75, 75, and also the size in the lateral direction is formed in the size shorter than the interval of the pair of lower plate parts 75, 75. 【課題】システム天井に容易に取り付けることができる防煙垂壁および防煙垂壁の施工方法を提供する。【解決手段】天井フレーム材21には、水平方向に延在する溝部71aが形成され、溝部71aの下側には、溝部71aの延在方向に交差する方向で、互いに近接する方向に突出した一対の下板部(板部)75,75が形成され、一対の下板部75,75の先端どうしの間には間隔があけられることで溝部71aは下方に開口されており、固定具4は、溝部71aに挿入されて天井フレーム材21に係止される受けナット41と、受けナット41と螺合して受けナット41とともに横枠材3に取り付け可能な取付ネジ42と、を有し、受けナット41は、長尺に形成されていて、長手方向の寸法が一対の下板部75,75の間隔よりも長い寸法に形成されているとともに、短手方向の寸法が一対の下板部75,75の間隔よりも短い寸法に形成されている。【選択図】図2