Electrical insulator and method of making same

Details Electrical insulator and method of making same Electrical insulator and method of making same

1977-07-06

1980-02-26

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Sectional, multi-part, composite, or coated

29631, 156294, 174179, 174186, 264262, H01B 1702, H01B 1900

Patent

active

041907361

ABSTRACT:
Electrical insulator comprising an ouer tube of dielectric material filled with blocks of dielectric foam and sealed at its ends.
The filling is manufactured independently of the tube in a material of substantially compatible coefficient of thermal expansion. The filling is connected to the inner surface of the tube by an adhesive interface material which provides good mechanical and electrical connection between the tube and its filling.
Application to electrical insulators which are of large diameter and/or great length.

REFERENCES:
patent: 1728531 (1929-09-01), Estorff
patent: 2997529 (1961-08-01), Fink
patent: 3110758 (1963-11-01), Meier

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