Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-08-30
1987-10-13
Kittle, John E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428209, 428701, 428920, 428921, 106 90, 52347, B32B 2714, B32B 300, B27N 900, C04B 702
Patent
active
046998225
ABSTRACT:
Fire and heat resistant metal structural members and a method of fabricating same are provided. The structural members of the invention comprise a metal substrate element, a discontinuous tie coat layer comprising an inorganic binder adhered to a surface of the structural element, and a continuous layer of a hydraulic cement-based fireproofing composition adhered to the tie coat layer and the exposed areas of the metal substrate. The discontinuous tie coat layer of the inventive structural members can substantially diminish or prevent the delamination of the fireproofing layer from the metal substrate under ambient temperature and high heat conditions.
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Baker William L.
Kittle John E.
Ryan Patrick J.
W. R. Grace & Co.
Wasatonic John J.
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