Depth charge igniter

Details Depth charge igniter Depth charge igniter

F - Mech Eng,Light,Heat,Weapons

42

B

102/30

F42B 21/00 (2006.01) F42C 5/00 (2006.01)

Patent

CA 1047835

ABSTRACT OF THE DISCLOSURE A depth charge igniter comprises a piston movable in a housing and provided with a firing pin for hitting a percussion cap when acted on by the surrounding water pressure. A shear ring holding the piston to the housing is arranged to be sheared off at a certain water pressure depending on the circumferential length of the shear ring in engagement between the piston and the housing. This length is easily adjustable.

238789

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