Electric detonator

Details Electric detonator Electric detonator

1984-11-09

1987-02-24

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022023, F42E 1912

Patent

active

046448632

ABSTRACT:
An electric detonator has a casing and a pole piece electrically insulated with respect to the casing by means of an insulating cup, as well as with an ignition resistor electrically conductively connected to the casing and to the pole piece. In order to avoid undesirable charges on the insulating cup, which could be the cause of misfirings, the insulating cup is associated with an electrically conductive coating in contact with the casing and with the pole piece.

REFERENCES:
patent: 2921520 (1960-01-01), Stonestrom
patent: 3286631 (1966-11-01), Gawlick et al.
patent: 3763782 (1973-10-01), Bendler et al.
patent: 3867885 (1975-02-01), Gawlick et al.
patent: 4206707 (1980-06-01), Shores
patent: 4409898 (1983-10-01), Blix et al.

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