Ring fire primer
AssigneeGeneral Dynamics Ordnance and Tactical Systems - Canada, Inc.
InventorsSylvain Dionne, Pierre Duchesne, Eric Toutant
Life of this patent
Estimating the term…
Abstract
An ammunition primer assembly is provided that includes, but is not limited to a cup having a base and a sidewall, a priming composition located in the cup and disposed on the base, an anvil located in the cup an upper surface, a lower surface and a side surface abutting the sidewall. The anvil defining a central channel formed therethrough. A portion of the base of the cup forms a striking surface. The striking surface is adjacent to a portion of the primer composition that is adjacent to the lower surface of the anvil. The striking surface is offset from a center of the cup.
Claims20
An ammunition primer assembly comprising:
- a cup having a base and a sidewall;
- a priming composition located in said cup and disposed on said base;
- an anvil located in said cup, said anvil having an upper surface, a lower surface and a side surface abutting said sidewall, said anvil defining a central channel formed therethrough,
- a striking surface formed with a portion of the base, said striking surface adjacent to a portion of said priming composition that is interposed between the lower surface of said anvil and the cup, said striking surface offset from a center of said cup.
An ammunition cartridge comprising:
- an ammunition primer assembly including:
- a cup having a base and a sidewall;
- a priming composition located in said cup and disposed on said base;
- and
- an anvil located in said cup, said anvil having an upper surface, a lower surface and a side surface abutting said sidewall, said anvil defining a central channel formed there through, wherein a portion of the base of the cup forms a striking surface, said striking surface being adjacent to a portion of said priming composition that is sandwiched between the lower surface of said anvil and the cup, said striking surface being offset from a center of said cup;
- a casing assembly configured to incorporate the ammunition primer assembly;
- and
- a propellant disposed within the casing assembly adjacent to the ammunition primer assembly.
Dependencies are inferred from the claim text.