Insulated conductor with multi-layer, high temperature insulation
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United States of America Patent
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Jan 31, 1989
Issued Date -
N/A
app pub date -
Sep 21, 1987
filing date -
Aug 28, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An insulated conductor for high temperature use and methods of manufacture thereof. The conductor is insulated by at least three layers of insulation, the inner layer being made of a perfluoroalkoxy, a polytetrafluoroethylene, an ethylene-tetrafluoroethylene, or a fluorinated ethylene-propylene resin compound, the second layer being made of a polyimide resin compound and the third layer being made of perfluoroalkoxy, an ethylene-tetrafluoroethylene copolymer, a non-hydrolizing, thermoset polyamide or a polyvinylidene fluoride resin compound. The layers are coated or extruded over the conductor and each other and preferably, the first layer is etched before the second layer is applied.
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