Insulating material
AssigneeGeneral Electric Company
InventorsKevork A. Torossian, Leo S. Kohn
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Abstract
Composite electrical insulating material is protected by at least one outer polymeric layer which dissolves in the bonding or impregnating resin at elevated temperatures, permitting ready handling of the relatively fragile insulating material, and by reason of dissolution when installed, permitting the ready further impregnation of the assembled insulation.
Claims7
Composite electrical insulation comprising at least one layer of electrical insulating tape, said tape consisting essentially of (a) at least one electrical insulating layer, (b) thermosetting resin impregnant for (a) and adhering to at least one outer surface of (a) a protective polymer film which is soluble in said resin at the curing temperature of said resin, said polymer film being selected from the group consisting of polycarbonate, polysulfone and polyphenylene oxide.
Dependencies are inferred from the claim text.