Patent application number | Description | Published |
20120111219 | LIGHTWEIGHT POLYMER AMMUNITION CARTRIDGE CASINGS - One embodiment of the present invention provides a polymeric ammunition cartridge and methods of making and using the same. The cartridge includes a substantially cylindrical insert connected to a substantially cylindrical polymeric middle body. The substantially cylindrical insert includes a top surface opposite a bottom surface and a substantially cylindrical coupling element that extends from the bottom surface, a primer recess in the top surface that extends toward the bottom surface, a primer flash hole positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface. The substantially cylindrical polymeric middle body includes a substantially cylindrical polymeric bullet-end and a substantially cylindrical polymeric coupling end connected by a powder chamber, wherein the substantially cylindrical polymeric coupling end extends over the substantially cylindrical coupling element and covers a circumferential surface of the primer flash hole. | 05-10-2012 |
20150241184 | Lightweight Polymer Ammunition Cartridge Casings - One embodiment of the present invention provides a polymeric ammunition cartridge and methods of making and using the same. The cartridge includes a substantially cylindrical insert connected to a substantially cylindrical polymeric middle body. The substantially cylindrical insert includes a top surface opposite a bottom surface and a substantially cylindrical coupling element that extends from the bottom surface, a primer recess in the top surface that extends toward the bottom surface, a primer flash hole positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface. The substantially cylindrical polymeric middle body includes a substantially cylindrical polymeric bullet-end and a substantially cylindrical polymeric coupling end connected by a powder chamber, wherein the substantially cylindrical polymeric coupling end extends over the substantially cylindrical coupling element and covers a circumferential surface of the primer flash hole. | 08-27-2015 |
20150260490 | PRIMER INSERT FOR A POLYMER AMMUNITION CARTRIDGE CASING - The present invention includes a metal primer insert for a polymeric ammunition cartridge having a top surface opposite a bottom surface and a substantially cylindrical coupling element that extends from the bottom surface, a primer recess in the top surface that extends toward the bottom surface, a primer flash aperture positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface, wherein the flange is adapted to receive a polymer overmolding that covers an circumferential surface and the primer flash aperture to form a primer flash hole. | 09-17-2015 |
20150260491 | LIGHTWEIGHT POLYMER AMMUNITION - One embodiment of the present invention provides a polymeric ammunition comprising: a substantially cylindrical insert; a substantially cylindrical polymeric middle body comprising a substantially cylindrical polymeric bullet-end opposite a substantially cylindrical polymeric coupling end connected by a powder chamber, wherein the substantially cylindrical polymeric coupling end extends over the substantially cylindrical coupling element and covers an circumferential surface and into the primer flash hole aperture to form a primer flash hole; and a substantially cylindrical open-ended polymeric bullet-end component connected to the substantially cylindrical polymeric bullet-end and opposite a bullet-end aperture; a propellant at least partially filling the powder chamber; a primer inserted into the primer flash hole aperture; and a bullet frictionally fitted in the bullet-end aperture, wherein the primer, the propellant and the bullet form a sealed propellant chamber. | 09-17-2015 |
20150260495 | METHOD OF MAKING A POLYMER AMMUNITION CARTRIDGE CASING - One embodiment of the present invention provides methods of making a polymeric ammunition cartridge. The cartridge includes a substantially cylindrical insert connected to a substantially cylindrical polymeric middle body. The substantially cylindrical insert includes a top surface opposite a bottom surface and a substantially cylindrical coupling element that extends from the bottom surface, a primer recess in the top surface that extends toward the bottom surface, a primer flash hole positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface. The substantially cylindrical polymeric middle body includes a substantially cylindrical polymeric bullet-end and a substantially cylindrical polymeric coupling end connected by a powder chamber, wherein the substantially cylindrical polymeric coupling end extends over the substantially cylindrical coupling element and covers a circumferential surface of the primer flash hole. | 09-17-2015 |
20160003587 | POLYMER AMMUNITION CARTRIDGE HAVING A WICKING TEXTURING - One embodiment of the present invention provides a polymeric ammunition cartridge having wicking texturing. | 01-07-2016 |
20160003588 | POLYMER AMMUNITION HAVING A WICKING TEXTURING - One embodiment of the present invention provides a polymeric ammunition cartridge having a wicking texturing at the projectile aperture. | 01-07-2016 |
20160003589 | LIGHTWEIGHT POLYMER AMMUNITION CARTRIDGE CASINGS - One embodiment of the present invention provides a polymeric ammunition cartridge and methods of making and using the same. The cartridge includes a substantially cylindrical insert connected to a substantially cylindrical polymeric middle body. The substantially cylindrical insert includes a top surface opposite a bottom surface and a substantially cylindrical coupling element that extends from the bottom surface, a primer recess in the top surface that extends toward the bottom surface, a primer flash hole positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface. The substantially cylindrical polymeric middle body includes a substantially cylindrical polymeric bullet-end and a substantially cylindrical polymeric coupling end connected by a powder chamber, wherein the substantially cylindrical polymeric coupling end extends over the substantially cylindrical coupling element and covers a circumferential surface of the primer flash hole. | 01-07-2016 |
20160003590 | POLYMER AMMUNITION CARTRIDGE HAVING A METAL INJECTION MOLDED PRIMER INSERT - One embodiment of the present invention provides a polymeric ammunition cartridge and methods of making and using the same. The cartridge includes a substantially cylindrical insert connected to a substantially cylindrical polymeric middle body. The substantially cylindrical insert includes a top surface opposite a bottom surface and a substantially cylindrical coupling element that extends from the bottom surface, a primer recess in the top surface that extends toward the bottom surface, a primer flash hole positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface. The substantially cylindrical polymeric middle body includes a substantially cylindrical polymeric bullet-end and a substantially cylindrical polymeric coupling end connected by a powder chamber, wherein the substantially cylindrical polymeric coupling end extends over the substantially cylindrical coupling element and covers a circumferential surface of the primer flash hole. | 01-07-2016 |
20160003593 | METHOD OF MAKING A METAL PRIMER INSERT BY INJECTION MOLDING - The present invention provides a method of making a substantially cylindrical insert by metal injection molding by providing a primer insert injection mold to form a substantially cylindrical metal primer insert, injection molding the metal injection molding feedstock into the primer insert injection mold to form a first substantially cylindrical metal primer insert having a first size; debinding the first substantially cylindrical metal primer insert to remove the first binding agent; and sintering the first substantially cylindrical metal primer insert to remove the second binding agent and form the substantially cylindrical metal primer insert having a second size. | 01-07-2016 |
20160003594 | METHOD OF MAKING POLYMER AMMUNITION HAVING A WICKING TEXTURING - One embodiment of the present invention provides a making a polymeric ammunition having wicking texturing about the projectile end. | 01-07-2016 |
20160003595 | METHOD OF MAKING A POLYMER AMMUNITION CARTRIDGE HAVING A METAL INJECTION MOLDED PRIMER INSERT - The present invention provides a method of making a polymer ammunition cartridge having a metal injection molded primer insert. | 01-07-2016 |
20160003596 | METHOD OF MAKING POLYMER AMMUNITION HAVING A METAL INJECTION MOLDED PRIMER INSERT - The present invention provides a method of making polymer ammunition having a metal injection molded primer insert. | 01-07-2016 |
20160003597 | METHOD OF MAKING A POLYMER AMMUNITION CARTRIDGE HAVING A WICKING TEXTURING - One embodiment of the present invention provides a method of making a polymeric ammunition cartridge having wicking texturing about the projectile aperture. | 01-07-2016 |
20160003601 | METAL INJECTION MOLDED PRIMER INSERT FOR POLYMER AMMUNITION - The present invention provides an injection molded primer insert for polymer ammunition comprising: a top surface opposite a bottom surface; a primer flash hole aperture positioned in the top surface extending through to the bottom surface; a substantially cylindrical coupling element extending away from the bottom surface forming an interior surface inside the substantially cylindrical coupling element and an exterior surface; a primer recess in the top surface that extends toward the bottom surface, a primer flash aperture positioned in the primer recess to extend through the bottom surface, and a flange that extends circumferentially about an outer edge of the top surface, wherein the flange is adapted to receive a polymer overmolding. | 01-07-2016 |