NON-COMBUSTIBLE CORRUGATED CARDBOARD FOR FORMING AIR CONDITIONING DUCT AND FOR BUILDING MATERIAL

PROBLEM TO BE SOLVED: To provided a non-combustible corrugated cardboard for use in forming an air conditioning duct or a building material excellent in execution properties, airtightness and non-combustibility. SOLUTION: In the non-combustible corrugated cardboard constituted by covering the surfac...

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Hauptverfasser: YAMADA KUNIHIKO, NAGAOKA TSUTOMU, YAMANAKA HIDETOSHI, SHIRATORI YASUHIRO, SUGI TETSUYA, NISHIIE ATSUSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provided a non-combustible corrugated cardboard for use in forming an air conditioning duct or a building material excellent in execution properties, airtightness and non-combustibility. SOLUTION: In the non-combustible corrugated cardboard constituted by covering the surface or back of a core material, wherein at least a corrugated cardboard-shaped core part is formed of a combustible material, with an aluminum foil, a non-combustible heat insulating layer 20 is interposed between the whole of the cover surface of the core 10 material and the aluminum foil 24. COPYRIGHT: (C)2006,JPO&NCIPI