E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/80 (2006.01) E04B 1/94 (2006.01) E04C 2/26 (2006.01) E04F 13/12 (2006.01)
Patent
CA 2131022
A refractory heat-insulating panel used for a building and a structure which demand excellent fire-resisting perfor- mance. In a refractory heat-insulating panel (801), inorganic boards (831) are formed in and unitarily with male and female joint portions (832, 836) thereof, or light aggregate is closely packed in core members of the male and female joint portions, in such a manner that the density of the core members of the joint portions becomes higher than that of the core member of an intermediate portion of the panel, whereby the strength and refractory characteristics of, especially, the joint portions, which constitute the weak spots of the panel, are improved. A nonwoven cloth is inserted between a front surface member (802), a rear surface member (822) and a core member (829), or the surfaces of the front and rear surface members which are on the side of the core member are embossed, or a slate foam layer or a polyurethane foam layer is provided in the core member, or wood reinforcing members or tubular members are buried in the core member, to improve the adhesion of the core member, front surface member and rear surface member, the strenght and fire-resisting characteristics of the panel as a whole as well as the strength and fire-resisting characteristics of the joint portions thereof.
Ishikawa Takashi
Kanno Yoshihiko
Kokubun Toshihide
Konta Hiroaki
Niizeki Takanobu
Fetherstonhaugh & Co.
Ig-Technical Research Inc.
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