Ammunition and explosives – Igniting devices and systems – Accidental fuse ignition prevention means
Patent
1986-09-26
1988-05-24
Jordan, Charles T.
Ammunition and explosives
Igniting devices and systems
Accidental fuse ignition prevention means
1022025, F42B 318
Patent
active
047458585
ABSTRACT:
A static electricity protection system for use in electric detonators having an electrically conductive housing, and an ignition system contained in the housing. The static electricity protection system includes a pair of electrical conductors for carrying electrical current to the ignition system, with the conductors being generally disposed apart from one another and from the housing walls. A portion of each conductor is positioned adjacent to but not in contact with the housing and adjacent to but not in contact with a portion of the other conductor. This enables the discharge of static charge accumulation on either conductor to the housing with the result that ionization of air takes place to allow further discharge from the other conductor to the housing. In this way, the ignition system is protected from static electricity.
REFERENCES:
patent: 2377804 (1945-06-01), Narvarte
patent: 3264989 (1966-08-01), Rucker
patent: 4271453 (1981-06-01), Yajima et al.
IRECO Incorporated
Jordan Charles T.
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