Method of electrically blasting detonator and cordless...

Details Method of electrically blasting detonator and cordless... Method of electrically blasting detonator and cordless...

F - Mech Eng,Light,Heat,Weapons

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F42D 1/04 (2006.01) F41A 19/63 (2006.01) F42B 3/12 (2006.01) F42D 1/05 (2006.01)

Patent

CA 1295884

61-40,227 METHOD OF ELECTRICALLY BLASTING DETONATOR AND CORDLESS DETONATOR FOR USE IN SAID METHOD Abstract of the Disclosure A loop portion of a bus wire connected to an electric blasting device is passed through a first magnetic core together with a first loop-like wire, and the first loop-like wire is further passed through a second magnetic core provided in a detonator. The detonator includes a second loop-like wire which is passed through the second magnetic core, an electric bridge connected to the second loop-like wire and a fuse head provided around the electric bridge. When a pulsatory high frequency current is supplied to the bus wire, high frequency currents are induced in the first and second loop-like wires by the electromagnetic induction. Then the current flows through the electric bridge of the detonator to fire the primer explosive. :

530587

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