US 5,180,883 AGranted

Ammunition

AssigneeRheinmetall GmbH

InventorsHeinz Jaskolka, Eckhard Rahnenfuhrer, Albert Schulze

Life of this patent

Estimating the term…

Loading patent…

Abstract

To improve the combustion behavior of a two-part large-caliber ammunition round (10) composed of a primary charge (20) and a projectile charge (30), an annular transfer charge (29) is provided in the primary charge (20) underneath a charge casing cover (28) which terminated the primary charge toward the top. The projectile charge (30) is also provided with an annular transfer charge (39) above its propelling charge casing bottom (38). The transfer charge (29) disposed in the primary charge (20) results in rapid destruction of the charge casing cover (28) and of the casing bottom (38). The annular transfer charge (39) disposed in the projectile charge (30) improves the ignition of the tubular propellant (32) disposed in the projectile charge (30) and of the loose powder charge (36) without noticeable time delays relative to the primary charge (20).

Claims14

Dependent claims

An ammunition round comprising a projectile, two separate charges to be aligned one behind the other including a forward projectile charge, with a rear end of said projectile extending far into said forward charge, and a rear primary charge, and first and second annular transfer charges disposed respectively adjacent a front end of said primary charge and a rear end of said projectile charge in the region of a respective outer circumference of said projectile charge and of said primary charge, and wherein:

said forward projectile charge includes a charge casing containing a propellant charge and including a generally cylindrical member which is closed at its rear end by a bottom member and which has a cover with a central opening, through which the projectile extends into the charge casing, at its front end;
said rear primary charge includes a charge casing containing a propellant charge and including a generally cylindrical member which is closed at its rear end by a bottom member and its front end by a cover;
and said charge casing of said forward projectile charge and at least said cylindrical member and said cover of said charge casing of said rear primary charge are formed of a combustible material.

Dependencies are inferred from the claim text.

Facts

Application: 07/809,128Filed 18 Dec 1991
Priority: DE 404161122 Dec 1990
Granted: 19 Jan 1993
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

F42B 5/181
Caseless ammunition; Cartridges having combustible cases: consisting of a combustible casing wall and a metal base; Connectors therefor
F42B 5/105
With self-propelled bullet: propelled by two propulsive charges, the rearwardly situated one being separated from the rest of the projectile…
F42B 5/16
Cartridges, i.e. cases with charge and missile: characterised by composition or physical dimensions or form of propellant charge, with or without…
F42B
Explosive charges