F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
102/18
F42B 5/02 (2006.01) F42B 5/045 (2006.01) F42B 5/26 (2006.01) F42B 33/00 (2006.01)
Patent
CA 1332321
ABSTRACT OF THE DISCLOSURE A cased telescoped ammunition round includes a propellant charge disposed in a tubular case. The case is composed of a skin tube and end caps on opposite ends of the tube. The case defines a chamber that contains the propellant charge. The charge has an axial bore containing a control tube at least at an aft portion of the bore. The control tube is attached at least at its aft end to the aft one of the case end caps. A projectile is housed within a forward portion of the axial bore of the propellant charge, and a primer is disposed within an aft portion of the control tube. The primer is actuatable for igniting the propellant charge to cause firing of the projectile forwardly from the case. Features are provides for locking the end caps onto the opposite ends of the skin tube of the round case and for permitting elongation of the skin tube in response to increased internal pressure while causing contraction of the tube upon relief of the pressure to ensure partial dimensional recovery of the tubular case after firing of the projectile so that the case can be ejected from the gun chamber.
589626
Alliant Techsystems Inc.
Smart & Biggar
LandOfFree
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