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公开(公告)号：US11624185B2
公开(公告)日：2023-04-11
申请号：US16771507
申请日：2018-12-20
发明人： Yukiko Chatani , Mariko Seki , Takahiro Hebiishi , Eiichi Kuroda , Wataru Ohuchi , Takuji Yamashita , Kouji Yamakata
IPC分类号： E04B1/94 , C04B11/00 , F16L5/04 , B32B1/08 , B32B13/04 , C04B111/00 , C04B111/28
摘要： A penetration part fireproof covering material used when a penetration part covered for fireproof is formed in a fireproof beam that is a fireproof constructional member that constitutes a wooden building, wherein the penetration part fireproof covering material is formed to have a tubular shape by stacking a plurality of gypsum board pieces (13a) formed from gypsum boards in a thickness direction and unitarily connecting the plurality of gypsum board pieces. The penetration part fireproof covering material is formed to have the tubular shape by stacking the plurality of gypsum board pieces that preferably have an annular shape and are cut out from commercially available gypsum boards having thicknesses of 9.5 mm to 25.5 mm while fixing the plurality of gypsum board pieces to each other preferably using metal fasteners such as staples, and unitarily connecting the plurality of gypsum board pieces.
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公开(公告)号：US11692344B2
公开(公告)日：2023-07-04
申请号：US16771882
申请日：2018-12-20
发明人： Yukiko Chatani , Mariko Seki , Takahiro Hebiishi , Eiichi Kuroda , Wataru Ohuchi , Takuji Yamashita , Kouji Yamakata
摘要： A fireproof covered structure for covering a penetration part formed in a fireproof beam of a wooden building to make the penetration part fireproof, wherein a tubular fireproof covering material is attached to the penetration part while covering an inner peripheral surface of the penetration part. The tubular fireproof covering material is formed by stacking a plurality of gypsum board pieces cut out from commercially available gypsum boards of thicknesses of 9.5 mm to 25.5 mm, in the thickness direction and unitarily connecting the gypsum board pieces. The tubular fireproof covering material is inserted into and attached to the penetration part such that a connecting portion That connects gypsum board pieces That are adjacent in the stacking direction is disposed at a boundary portion between a structural member and a covering member of the fireproof beam, or at a portion close to the boundary portion.
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