Electric fuse-links and method of making them

Details Electric fuse-links and method of making them Electric fuse-links and method of making them

1977-12-12

1980-02-19

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337292, H01H 8504

Patent

active

041896963

ABSTRACT:
A fuse element for a cartridge fuse-link comprises a thin metal wire helically wound about a thin flexible core consisting of an electrically and heat insulating filament. Spaced sections of the winding at opposite ends of the fuse element are metallized so as to short-circuit the turns in these sections. The short-circuited sections are electrically interconnected by the active turns of an intermediate section which constitutes the fusible link. The fuse element is disposed in an insulating cartridge with its short-circuited sections connected to conductive end caps on the cartridge.

REFERENCES:
patent: 898086 (1908-09-01), Boehm
patent: 3845439 (1974-10-01), Deelman
patent: 3858142 (1974-12-01), Deelman et al.

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