Metal-capped electrical insulator and method of making same

Details Metal-capped electrical insulator and method of making same Metal-capped electrical insulator and method of making same

1982-01-18

1984-01-24

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

With terminal elements

29631, 164 10, 164108, 164111, 164112, H01B 1738, H01B 1900, B22D 1900

Patent

active

044278446

ABSTRACT:
A metal-capped electrical insulator and method of making same by forming a metal cap on an insulator dielectric by directly casting molten metal round a portion of the dielectric to embed it therein. Before casting the metal (16 or 17), a metal washer (1 ) is placed in contact with the boundary on the insulator at the edge of the portion to be embedded. The washer has a circular groove (2) open on the side through which the molten metal is poured. Before casting, said washer is deformed, by pressing it hard in a metal-casting mould (30) to the dielectric and deflecting the walls (3, 4) of the groove (2) to create an undercut in the metal washer.

REFERENCES:
patent: 3964536 (1976-06-01), Willem

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