초록

An exploding foil detonator for explosives in which an exploding bridge shears a foil and drives a piece of that foil against an explosive to detonate the latter.

대표청구항 ▼

A detonator comprising: an electrically-conductive bridge; a flyer located immediately adjacent said bridge; an explosive charge including an explosive pellet wrapped within a moisture seal, said explosive charge being spaced from said flyer; a barrel sleeve located between said flyer and said wrapp

A detonator comprising: an electrically-conductive bridge; a flyer located immediately adjacent said bridge; an explosive charge including an explosive pellet wrapped within a moisture seal, said explosive charge being spaced from said flyer; a barrel sleeve located between said flyer and said wrapped explosive pellet, said barrel sleeve including a passageway aligned with said bridge and extending to said explosive pellet; and means for pressing said flyer and said wrapped explosive pellet against opposite ends of said barrel sleeve, to seal the passageway of said barrel sleeve, wherein passage of an electrical current through said bridge vaporizes the bridge and propels said flyer through the barrel sleeve passageway to impact upon and detonate said wrapped explosive pellet.