Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1981-01-19
1984-01-10
Kendell, Lorraine T.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
174121SR, 428242, 428253, 428273, 428292, 428377, 428383, 428389, 428432, B32B 700, B32B 1706
Patent
active
044253974
ABSTRACT:
A flame resistant insulated electrical wire and/or cable construction formed by wrapping a wire or cable conductor with a heat resistant flexible refractory tape comprising a porous base fabric, preferably a knit fiberglass fabric that has been coated and impregnated with refractory materials. These refractory materials are bonded to both the surface and interstices of the base fabric by means of a bonding agent, such that the fabric remains flexible and retains its stretch properties. In the presence of relatively extreme temperature and heat (e.g., above 1750.degree. F.), the bonding agent will decompose without flaming, while the refractory materials will fuse into the softened surface of the knit fiberglass base fabric forming a high temperature resistant structure with ceramic qualities and insulative properties.
REFERENCES:
patent: 2022827 (1935-12-01), Ruben
patent: 2587916 (1952-03-01), Squier
patent: 3013902 (1961-12-01), Bugosh
patent: 3013903 (1961-12-01), Bugosh
patent: 3312775 (1967-04-01), Lambert
patent: 3427189 (1969-02-01), Brechna
patent: 3861425 (1975-01-01), Clark
patent: 4175152 (1979-11-01), Carnahan
patent: 4282284 (1981-08-01), George
Kendell Lorraine T.
Subtex, Inc.
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