Composite electrical insulator

Details Composite electrical insulator Composite electrical insulator

1994-03-23

1996-10-08

Kincaid, Kristine L.

Electricity: conductors and insulators

Insulators

With conductor holding means

174176, 174179, 174209, H01B 1706

Patent

active

055633790

ABSTRACT:
A composite electrical insulator (1) includes a plastic rod (2), e.g., an FRP rod, which is covered by a sheath which includes a resilient and electrically insulating material. A metal fitting (4, 5) on each side of the insulator (1) has a radially inwardly deformable sleeve portion formed with a bore in which the end portion of the plastic rod (2) is covered by the sheath (3). The end portion of the sheath (3) has an outer surface opposite to the metal fitting (4, 5), which is provided with at least one circumferential ridge (7a, 7b).

REFERENCES:
patent: 1979092 (1934-10-01), Austin
patent: 2072201 (1937-03-01), Dibble
patent: 3358073 (1967-12-01), Gamble
patent: 3898372 (1975-08-01), Kalb
patent: 4296276 (1981-10-01), Ishihara et al.
patent: 4303799 (1981-12-01), Ishihara et al.
patent: 4654478 (1987-03-01), Ishihara et al.

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