A pressurized gas cartridge ammunition

Details A pressurized gas cartridge ammunition A pressurized gas cartridge ammunition

F - Mech Eng,Light,Heat,Weapons

42

B

F42B 5/02 (2006.01) F42B 6/10 (2006.01)

Patent

CA 2061155

In a cartridge casing there is provided a telescopic valve stem having at its forward end a main outlet valve and at its rearward end a servo- or pressure relief valve, a piston-like collar on the forward part of the valve stem divides the interior of the casing into a forward main chamber and a rearward auxiliary chamber: the chambers are connected by a bleeding passage and have an outlet opening at the forward end and the rearward end of the casing respectively, which openings are normally closed by the respective valves. A chamber of variable volume within the telescopic valve stem is in communication with the atmosphere, due to which the rearward or servo-valve may be opened by a slight fire pin blow to initiate the discharge of pressurized gas filling fom the main chamber.

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