EMI/RFI/ESD shield for electro-mechanical primer fuses

Details EMI/RFI/ESD shield for electro-mechanical primer fuses EMI/RFI/ESD shield for electro-mechanical primer fuses

1992-09-17

1994-05-03

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Accidental fuse ignition prevention means

1022023, 102472, F42B 3182

Patent

active

053077423

ABSTRACT:
A shielding device such as for a primer fuse is disclosed. The shielding device is multi-layered, and combines the shielding affectivity of metal foil with electrically conductive adhesive and a dielectric film. Upon application of the shielding device, the primer in the base of the shell is shielded, yet an electrical connection can be made upon firing the pin to fire the round without requiring removal of the shielding device.

REFERENCES:
patent: 3363565 (1968-01-01), Walther
patent: 3638071 (1972-01-01), Altonen, Jr. et al.
patent: 4170939 (1979-10-01), Hoheisel et al.
patent: 4206707 (1980-06-01), Shores
patent: 4271761 (1979-04-01), Canning et al.
patent: 4369707 (1983-01-01), Budde
Technical Bulletin 202, "Cho-Foil.TM.101" of Chomerics, Incorporated .COPYRGT.1983.

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