Ammunition and explosives – Igniting devices and systems – Electrical primer or ignitor
Patent
1993-01-15
1994-12-06
Tudor, Harold J.
Ammunition and explosives
Igniting devices and systems
Electrical primer or ignitor
1022027, 1022029, 10220214, F42B 310, F42C 1912
Patent
active
053700538
ABSTRACT:
In a preferred embodiment, a slapper detonator, including: an inverted, vertical, open cup filled with an explosive, the mouth of the cup being adjacent the upper surface of a horizontally disposed explosive foil initiator (EFI); an integral flange extending circumferentially horizontally outwardly around the mouth of the cup; a cover plate having an opening defined therethrough and attached to the upper surface of the EFI, through which opening the cup extends vertically; and a counterbore defined around the perimeter of the opening to engage the flange and hold the mouth against the upper surface, such that lateral forces applied to the cup will be transferred to the cover plate. In another aspect of the invention, there is provided an EFI for a slapper detonator which has solderable electrical terminals. The EFI may be of laminated structure with the terminals laminated to the structure. In a further aspect of the invention, there is provided an improved barrel structure for an EFI.
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Werling Steven V.
Williams Matthew R.
Crozier John H.
Magnavox Electronic Systems Company
Seeger Richard T.
Tudor Harold J.
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