C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/196, 306/228
C09D 5/25 (2006.01) H01H 33/02 (2006.01) C09D 3/48 (1980.01)
Patent
CA 1180613
ABSTRACT OF THE DISCLOSURE A SF6 gas insulating electric apparatus usable as a circuit breaker, etc., containing a SF6 gas insulator and a resin insulator, both of which insulators are pre- sent in an atmosphere to be exposed to arcs, characterized by making at least the surface portion to be exposed to arcs of the resin insulator from a polymer containing nitrogen atoms or a polyolefin resin, and if necessary together with an inorganic filler powder, is excellent in both surface and inner arc resistance and can maintain breaking performance for a long period of time.
404333
Hirasawa Kunio
Hosokawa Masao
Nishikawa Akio
Sato Mikio
Sone Isamu
Hitachi Ltd.
Kirby Eades Gale Baker
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