PRIMER DIFFUSER FOR POLYMER AMMUNITION CARTRIDGES
The present invention provides a diffuser cup or ring adapted to hold a primer used in an ammunition cartridge comprising a bottom surface sized to fit in a primer recess for an ammunition cartridge; a diffuser aperture positioned through the bottom surface and aligned with a flash hole; a cup wall attached to the bottom surface and extending away from the bottom surface; and an interior cavity bordered by the cup wall and the bottom surface and sized to frictionally fit a primer.
1 . A diffuser cup adapted to hold a primer used in an ammunition cartridge comprising:
a diffuser comprising a bottom surface sized to fit in a primer recess for an ammunition cartridge; and a diffuser aperture positioned through the bottom surface and aligned with a flash hole; and
a cylinder comprising a cup wall attached to sized to frictionally fit a primer and fit into a primer recess, wherein the cup wall is configured to accept the diffuser within the cup wall. the bottom surface and extending away from the bottom surface; and an interior cavity bordered by the cup wall and the bottom surface and sized to frictionally fit the primer.
2 . The diffuser cup of claim 1 , wherein the diffuser cup comprises a metal, an alloy, a composite or a polymer.
3 . The diffuser cup of claim 1 , further comprising an adhesive applied to the bottom surface to contact a primer.
4 . The diffuser cup of claim 1 , further comprising an adhesive applied to the bottom surface to contact the primer recess.
5 . The diffuser cup of claim 1 , further comprising a primer positioned in the interior cavity.
6 . A diffuser ring adapted to separate a primer and a primer recess in an ammunition cartridge comprising:
a diffuser ring sized to fit in a primer recess for an ammunition cartridge having a bottom surface opposite a top surface; and
a diffuser aperture positioned through the bottom surface and the top surface to align with a flash hole of the ammunition cartridge.
7 . The diffuser ring of claim 6 , wherein the diffuser ring comprises a metal, an alloy, a composite or a polymer.
8 . The diffuser ring of claim 6 , further comprising an adhesive applied to the bottom surface to contact a primer.
9 . The diffuser ring of claim 6 , further comprising an adhesive applied to the bottom surface to contact the primer recess.
10 . The diffuser ring of claim 6 , further comprising an adhesive applied to the top surface to contact the primer.
11 . The diffuser ring of claim 6 , further comprising a primer positioned in the interior cavity.