Polymer insulators with metal caps

Details Polymer insulators with metal caps Polymer insulators with metal caps

1997-12-22

1999-11-09

Reichard, Dean A.

Electricity: conductors and insulators

Insulators

With insulator-supporting or attaching means

174168, 174212, 174178, H01B 1714

Patent

active

059818786

ABSTRACT:
An electrical insulator for supporting an electrical conductor includes a load sustaining molded core, a mounting on the core, an dielectric sheath, and a metal cap. The molded core is formed of a dielectric polymer with opposite longitudinal ends and a profiled lateral outer surface between the ends. The dielectric outer sheath overlies the core outer surface and has a weathershed extending laterally outwardly relative to the core. A metal cap is secured to one end of the core by the metal cap having a portion directly molded to the core. The mounting is located on the end of the core opposite the metal cap.

REFERENCES:
patent: 1841949 (1932-01-01), Hawley
patent: 2266400 (1941-12-01), Reed
patent: 3194879 (1965-07-01), Hopwood
patent: 4658092 (1987-04-01), Nakamura et al.
patent: 4782199 (1988-11-01), Seike et al.
patent: 4940857 (1990-07-01), Giroux
patent: 5147984 (1992-09-01), Mazeika et al.

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