H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/230
H01H 33/78 (2006.01) H01H 33/91 (2006.01) H01H 9/00 (2006.01) H01H 33/02 (2006.01)
Patent
CA 1097713
ABSTRACT OF THE DISCLOSURE A single barrel puffer circuit interrupter is taught which has a thin fluorocarbon plastic liner for the single insulating barrel. The fluorocarbon plastic liner is polytetrafluorethylene (TFE) sold under the trademark TEFLON. The fluorocarbon plastic material is disposed in the form of a wound overlapped thin film. The film is etched so that an epoxy resin adhesive may be used for binding successive layers of the overlapping film one to the other and for binding the film to an outer sheel of fiber- glass which forms the remainder of the band. The fluori- nated plastic is generally resistive to the detrimental effects of the presence of an electric arc within the barrel of the circuit interrupter. Such effects include the heat of an electric arc, the current of the electric arc or the arc products which are formed by the use of sulfur hexa- fluoride gas in the puffer operation in the presence of the arc.
296729
Douglass Nelson H.
Sampson Ronald N.
Vondracek Charles H.
Mcconnell And Fox
Westinghouse Electric Corporation
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