Insulating nozzle for gas blast circuit breaker

Details Insulating nozzle for gas blast circuit breaker Insulating nozzle for gas blast circuit breaker

2007-05-01

2007-05-01

Cain, Edward J. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C218S085000, C239S589000, C239S592000, C239S596000, C239S597000, C239S600000, C239S601000, C239S602000, C524S430000, C524S432000

Reexamination Certificate

active

10398755

ABSTRACT:
The invention concerns an insulating nozzle for a gas blast circuit breaker. In accordance with the invention, the material constituting the nozzle comprises (A) 90% to 99.9% by weight of a fluorinated polymer, and (B) 0.1% to 10% by weight of a filler based on at least one oxide selected from (B1) SiO2and other oxidized forms of metals from column IVA of the periodic table, and (B2) ZnO, CdO and other oxidized forms of metals from column IIB of the periodic table.

REFERENCES:
patent: 4562322 (1985-12-01), Yamaguchi et al.
patent: 5828026 (1998-10-01), Bruehl et al.
patent: 2 346 823 (1977-10-01), None

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