Patent ID: 11920895
Assignee: ARDESA, S.A.
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A propellant charge case for ammunition for a muzzleloading firearm having a barrel or barrel extension with a breech end and a muzzle end, said propellant charge case having a two-piece construction comprising:
a cylindrical casing body having a forward end, a back end, and a central axis, said casing for insertion within said breech end of said barrel or barrel extension, said casing body enclosing a propellant charge of predetermined amount, and a cap proximate said forward end of said casing body for sealing said propellant charge within said propellant charge case;
wherein the cap is configured to rupture or burst when the propellant charge is ignited; and
a base at the back end of said casing body, said base having a top surface and a bottom surface, said base including:
a cylindrical cavity receiving a primer or percussion cap;
a central aperture extending from said cylindrical cavity to said propellant charge;
an insert portion including a forward narrow portion, a portion of said insert portion inserted within said casing body;
a rim radially extending outwards from said central axis, said rim having a forward surface facing said cylindrical body forward end, said rim forward surface in contact with said barrel breech end or barrel extension breech end when said propellant charge case is inserted within said barrel breech end or said barrel extension breech end; and
a gap located adjacent to, and axially distanced from, said rim forward surface in a direction of said base top surface, such that said gap is exposed outside said breech end or said barrel extension breech end when said propellant charge case is inserted within said barrel breech end or said barrel extension breech end;
wherein said gap is configured to receive an extractor.