Shaped primer

Details Shaped primer Shaped primer

F - Mech Eng,Light,Heat,Weapons

42

B

102/30

F42B 3/10 (2006.01) F42B 1/024 (2006.01) F42C 19/08 (2006.01) F42D 1/04 (2006.01)

Patent

CA 1327479

Abstract of the Disclosure A primer for explosives comprises a shaped charge of detonating material for use with an initiator such as a detonator or fuse cord which penetrates into the charge at least about as far as its center of mass, wherein said primer has a cavity for receiving said initiator and a shock attenuator in the form of an insert of inert material of lower density than the detonating material which extends from the surface of the charge into the charge to a desired detonation region and has a portion surrounding at least a part of the length of the cavity and defining an inlet for insertion of said initiating means, the density of the insert relative to the detonating material and shape thereof providing for improved detonation of the primer.

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