Sealing arrangement for high voltage fuse

Details Sealing arrangement for high voltage fuse Sealing arrangement for high voltage fuse

H - Electricity

01

H

306/153

H01H 85/26 (2006.01) H01H 85/042 (2006.01) H01H 85/00 (2006.01)

Patent

CA 1070737

SEALING ARRANGEMENT FOR HIGH VOLTAGE FUSE ABSTRACT: A sealing arrangement for a high voltage fuse comprises a round metal plate that has a center portion that has been machined to reduce the thickness of the center portion. The center portion of the metal plate is then subjected to a coining or pressing operation to further reduce the thickness of the center portion and also to increase the hardness and smoothness of the center portion so that the center portion can be reliably punctured during fuse operation. The metal plate is then sealed over the end of the fuse by folding the edge of a metal conducting tube over the edge of the metal plate. The peripheral portion of the metal plate serves as a stop to prevent the expulsion of fuse parts when the fuse operates.

278036

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