Propellent charge igniter

Details Propellent charge igniter Propellent charge igniter

F - Mech Eng,Light,Heat,Weapons

42

C

102/30

F42C 1/02 (2006.01) F42C 19/08 (2006.01)

Patent

CA 1150103

ABSTRACT OF THE DISCLOSURE A propellent charge igniter which is constructed so as reliably to prevent the rearward escape of hot propellent gases from its rearwardly open housing comprises disposed in a chamber or recess in the rear of the housing, a central supporting member, a sealing member positioned in front of the central supporting member and a powder charge in front of the sealing member. An igniter element is associated with the sealing member and so positioned as to ignite the powder charge when actuated. On the side thereof which is contacted by the powder charge, the sealing element comprises an annular collar which bears tightly against the interior wall surface of the housing even when the wall of housing undergoes plastic deforma- tion when subject to internal gas pressure thereby ensuring prevention of gas escape. The igniter may be of the electrically or the mechanically ignited type.

332727

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