Electricity: conductors and insulators – Insulators – With terminal elements
Patent
1998-06-11
2000-09-12
Sough, Hyung-Sub
Electricity: conductors and insulators
Insulators
With terminal elements
174137A, 174137B, 174179, H01B 1706
Patent
active
061180793
ABSTRACT:
A polymer insulator having a core member, an insulation overcoat member arranged on an outer surface of the core member, and a securing metal fitting fixed to an end portion of the core member in such a manner that the end portion is contacted with the insulation overcoat member is disclosed. The disclosed polymer insulator further includes a seal portion arranged at a boundary between the insulation overcoat member and the securing metal fitting, which is made of a sealing agent in which 80-250 parts by weight of ATH (Alumina trihydrate, Al.sub.2 O.sub.3.3H.sub.2 O) is included with respect to 100 parts by weight of a polymer component. Therefore, the polymer insulator according to the invention has an improved tracking-erosion resistance performance.
REFERENCES:
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patent: 5914462 (1999-06-01), Fujii
Kondou Takanori
Koshino Yukihiro
Cuneo Kamand
NGK Insulators Ltd.
Sough Hyung-Sub
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