Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent
1982-08-23
1985-01-15
Thomas, Alexander S.
Electricity: conductors and insulators
Conduits, cables or conductors
Single duct conduits
428213, 428220, 428182, 428920, 428921, 428255, H02G 304, B32B 330
Patent
active
044939450
ABSTRACT:
An envelope system for protecting a substrate from fire or other thermal extreme. The system includes a screen, which surrounds the entire substrate and which is set off from the substrate by ridges folded into the screen, and a thermal protective coating applied to the screen and spaced from the substrate by the screen to form an air gap between the substrate and the coating.
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Thermal Science, Inc.
Thomas Alexander S.
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