Composite electrical insulator

Details Composite electrical insulator Composite electrical insulator

H - Electricity

01

B

H01B 17/56 (2006.01) H01B 17/06 (2006.01)

Patent

CA 2119831

A composite electrical insulator (1) includes a plastic rod (2), e.g., an FRP rod, which is covered by a sheath comprised of 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) as 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).

Isolateur électrique composite (1) comportant une tige en plastique (2), par exemple une tige en plastique renforcé recouverte d'une gaine constituée d'un matériau élastique et isolant. Une garniture (4, 5) métallique située de chaque côté de l'isolateur (1) comporte un manchon déformable radialement vers l'intérieur percé d'un orifice recevant l'extrémité de la tige en plastique (2) enveloppée par la gaine (3). L'extrémité de la gaine (3) comporte une surface extérieure opposée à la garniture (4, 5) métallique présentant au moins une nervure (7a, 7b) périphérique.

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