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2. 发明专利

JP2003259541A FIRE-PROOF COVERING MEMBER FOR CABLE 审中-公开
公开(公告)号：JP2003259541A
公开(公告)日：2003-09-12
申请号：JP2002053287
申请日：2002-02-28
申请人： A & A MATERIAL CORP
发明人： KOKUBU KENICHI , KOGA NORIAKI , TAKAMI YASUHIRO
IPC分类号： A62C3/16 , B32B1/08 , B32B7/02 , H02G1/06 , H02G9/00
摘要： PROBLEM TO BE SOLVED: To provide a fire-proof covering member for cables capable of preventing the cables or cable protective members having the cables therein from being damaged by heating from the outside, and attaining high workability. SOLUTION: This fire-proof covering member for the cables consists of a first thermal insulating material layer which is jointed to the outsides of the cables or the cable protective members having the cables therein, and has a heat resistant film for inhibiting steam from passing through one or both of the inner surface and/or the outer surface thereof, an endothermic material storing bag formed on the outer peripheries of the first thermal insulating material layers, and a second thermal insulating material layer provided on the outer periphery of the endothermic material storing bag. In the fire-proof covering member, the endothermic material storing bag is formed by containing inner bags for encapsulating coolant which dissolves in water and generates an endothermic reaction and water, water gelled by water-absorbing resin or moisture crystalline compound, or encapsulating water, water gelled by water- absorbing resin or moisture crystalline compound, and coolant which dissolves in water and generates an endothermic reaction. COPYRIGHT: (C)2003,JPO

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