Blank cartridge
2 Assignments
0 Petitions
Accused Products
Abstract
A blank cartridge (1) comprises a cartridge casing (2) with a first primer (18); a piston (9) with a head (10) and an arm (11); and an expansion chamber located between said primer (18) and the head of the piston (10), wherein, following detonation of the primer, the piston slidably displaces substantially within the casing (2) of said cartridge (1).
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Citations
10 Claims
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1-6. -6. (canceled)
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7. A blank cartridge comprising:
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a cartridge casing with a first primer; a piston with a head and an arm; and an expansion chamber located between said primer and the head of the piston; wherein, following detonation of the primer, the piston slidably displaces substantially within the casing of said cartridge; and wherein, prior to firing, the front of the cartridge forms between the casing and the piston a recessed portion; whereby the front of the casing can fit around a projection formed in the breech of a gun and, following detonation, during expansion, the piston'"'"'s arm abuts against the projection to tend to oust the cartridge from the breech. - View Dependent Claims (8, 9, 10)
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Specification