| 摘要 |
PURPOSE: A fireproof structure without a steel plate is provided to improve fireproofing efficiency, to decrease thickness and weight and to improve appearance. CONSTITUTION: The fireproof structure without a steel plate contains an incombustible support(11) fixed on outer frame of a fireproof door or a fireproof wall(10) by a fastener(15) such as a piece, a projected piece(11a) formed on one side of the support, primary, secondary and third support plates(12,12a,12b) formed on the side of the support(11) to face each other, and honeycomb structures(13,13a) formed among support plates(12,12a,12b) and applied with foaming agents.
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