Priming explosive devices

Details Priming explosive devices Priming explosive devices

F - Mech Eng,Light,Heat,Weapons

42

B

86/2

F42B 39/00 (2006.01) C06C 7/02 (2006.01) F42B 33/02 (2006.01)

Patent

CA 1149206

ABSTRACT The invention provides a method of priming a blank or bulleted rimfire cartridge comprising the steps of a) dosing into the rimfire case a quantity of a substantially dry, powdery, relatively insensitive premix comprising, in predetermined proportions, at least two materials that will, in the presence of a liquid reaction medium, react together forming a primary explosive compound, b) compacting the premix so as substantially to fill the rim of the case therewith, c) dosing a quantity of the liquid reaction medium into the case so as to cause said materials to react together forming the primary explosive compound and d) drying the primer. By compacting the premix into the rim before the addition of the liquid reaction medium, the conventional spinning step may be dis- pensed with, thereby making the priming process safer and more economic.

373665

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