PERFORATED PANEL
PROBLEM TO BE SOLVED: To provide a perforated panel which is constituted of an inorganic sheet, a heat-expanded layer laminated on the face of the inorganic sheet, and a protecting layer laminated on the face of the heat-expanded layer; and capable of intercepting flames by the effective blocking ac...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a perforated panel which is constituted of an inorganic sheet, a heat-expanded layer laminated on the face of the inorganic sheet, and a protecting layer laminated on the face of the heat-expanded layer; and capable of intercepting flames by the effective blocking action of the heat-expanded layer when a perforated panel is exposed to flames with holes opened at a specified interval running through the inorganic sheet, the heat-expanded layer and the protecting layer. SOLUTION: This perforated panel is constituted of: the inorganic sheet; the heat-expanded layer laminated on the face of the inorganic sheet; and the protecting layer laminated on the face of the heat-expanded layer. In addition, the perforated panel has the holes opened at a specified interval running through the inorganic sheet, the heat-expanded layer and the protecting layer; and is characterized in that the heat-expanded layer and the protecting layer are fixed to the inorganic sheet through fixing materials installed at a specified interval. COPYRIGHT: (C)2003,JPO |
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