High voltage insulator

Details High voltage insulator High voltage insulator

1997-09-29

1999-05-11

Ramirez, Nestor

Electricity: conductors and insulators

Insulators

With conductor receiving aperture or bushing type

174209, 264254, H01B19/00

Patent

active

059029633

ABSTRACT:
An improved high voltage insulator includes a central core and an insulating body fitted tightly around the central core. A flexible coating layer is interposed between a part of the central core and the insulating body. The flexible coating layer fills in shrinkage cavities and compensates for a retraction effect caused by injected material used in forming the insulating body. The insulating body is overmolded to the central core previously coated with the flexible coating layer with an injected insulating resin such as a thermoplastic or thermosetting resin. The insulator could be used as a capactive divider or bushing insulator.

REFERENCES:
patent: 4217466 (1980-08-01), Kuhl
patent: 4246696 (1981-01-01), Bauer et al.
patent: 4331833 (1982-05-01), Pargamin et al.
patent: 4373113 (1983-02-01), Winkler et al.
patent: 4466047 (1984-08-01), Avocat
patent: 4724284 (1988-02-01), Wheeler
patent: 5280136 (1994-01-01), Yavorski et al.
patent: 5493072 (1996-02-01), Stevens

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