CABLE AND ARTICLE DESIGN FOR FIRE PERFORMANCE

A cable (1) comprises a conductor (3), an insulating layer (2) which forms a self-supporting ceramic layer when exposed to elevated temperatures experienced in a fire, and an additional heat transformable layer (4). The additonal layer (4) can be another layer which forms a self-supporting ceramic l...

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Main Authors RODRIGO, PULAHINGE DON DAYANANDA, WOOD, CHRISTOPHER, MANSOURI, JALEH, BARBER, KENNETH WILLIS, BURFORD, ROBERT PAUL, IVANOV, IVAN, ALEXANDER, GRAEME, CHENG, YI-BING
Format Patent
LanguageEnglish
French
Published 28.08.2012
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:A cable (1) comprises a conductor (3), an insulating layer (2) which forms a self-supporting ceramic layer when exposed to elevated temperatures experienced in a fire, and an additional heat transformable layer (4). The additonal layer (4) can be another layer which forms a self-supporting ceramic layer when exposed to fire, or it can act as a sacrificial layer which decomposes at or below the temperature that the insulating layer forms a ceramic. The addition layer can enhance the strength of the layers before during or after the fire, the structural integrity of the insulating layer after the fire, the resistance of the layers to the ingress of water after the fire, or the electrical or thermal resistance of the layers during and after the fire.
Bibliography:Application Number: CA20042520458