Electric detonator ignition device for mining works and other applications. (Machine-translation by Google Translate, not legally binding)

摘要

Electrical firing device for detonators for mining and other applications, characterized in that, according to one embodiment, the current conductors (a) pass through a rubber stopper or other insulating material (b) leaving the bare wires by the lower part of said plug being joined to two thin sheets of brass (c), separated with insulating board, at whose end is welded the bridge of platinum wire (d) coated with a flammable material that reddening the platinum thread or of an alloy of iridium and platinum, causes the ignition of the explosive charge. (Machine-translation by Google Translate, not legally binding)