초록 ▼

An ammunition cartridge has a base and a sidewall extending from the base to a mouth. The sidewall bounds an interior of the case. A projectile is secured to the case proximate the mouth and has at least an aft portion within the case interior. A propellant charge is located in a first region of the

An ammunition cartridge has a base and a sidewall extending from the base to a mouth. The sidewall bounds an interior of the case. A projectile is secured to the case proximate the mouth and has at least an aft portion within the case interior. A propellant charge is located in a first region of the case interior at least in part surrounding the aft portion of the projectile. A second propellant charge is carried within a second region of the case interior generally aft of the first region.

대표청구항 ▼

[ What is claimed is:] [1.] An ammunition cartridge comprising:a case having a base and a sidewall extending from the base to a mouth and bounding an interior;a projectile secured to the case proximate the mouth of the case and having at least an aft portion within the case interior;a first propella

[ What is claimed is:] [1.] An ammunition cartridge comprising:a case having a base and a sidewall extending from the base to a mouth and bounding an interior;a projectile secured to the case proximate the mouth of the case and having at least an aft portion within the case interior;a first propellant charge located in a first region of the case interior at least in part surrounding the aft portion of the projectile; anda second propellant charge carried within a second region of the case interior generally aft of the first region and having a burn rate slower than a burn rate of the first propellant charge, wherein the first propellant charge is substantially laterally surrounded by a fore portion of the second propellant charge.