Abstract: An adapter cartridge for insertion tube systems of firearms has a jacket casing which is made of fiber reinforced plastic that is joined securely to the cylindrical part of a tube base. The tube base has an incircling drawn shell rim that is securely enclosed by a plastic ring.

Abstract: An improved cartridge ammunition which includes an at least partially combustible shell casing and a projectile with a fin-stabilizing tail section mounted in a neck portion of the shell casing which thereby forms a first connection between the projectile and shell casing. A second connection between the projectile and shell casing is formed by means of a support element which is form-lockingly connected to both. The shell casing has a support region axially extending forwardly inside the shell casing from its bottom. The support element being mounted on said support region and being instrumental in assuring, due to its form-locking connections, that a predetermined axial force occurs in said support of element prior to disintegration thereof, between the tail section and the support region due to gas pressure build-up in the shell casing at firing of the ammunition.

Abstract: A cartridge case and cartridge arrangement and method in which a base is joined along an annular intermating chevron-shaped joint with a sleeve. In the illustrated and preferred embodiment the base is metal and the sleeve is glass-fiber-reinforced plastic. The case has a propellant, projectile, and a percussive primer. A plurality of circumferentially spaced vent holes are formed in the plastic sleeve along a portion of the chevron joint as an aid to reducing excessive interface friction loads at the chevron joint during firing of the cartridge. A less preferred modification and mode of practice of the invention is disclosed in which the base is formed of plastic material or a composite glass-plastic or other composite plastic material, and the sleeve is formed of metal. A further less preferred modification and mode of practice is disclosed in which both the sleeve and the base are formed of similar materials.

Abstract: An additive sealing or packing sleeve for a propellent charge employed for large-calibered ammunition which is fired from a barrelled weapon or launch tube, which is glued into a shell or cartridge casing. The sleeve consists of a fabric constituting a support for a mixture of wax and titanium dioxide, in which the mixture is covered towards the inside by a polyethylene sheeting, and in which the side of the polyethylene sheeting facing inwardly towards the propellent charge is fully covered by a textile material.

Abstract: A smoke grenade comprising a launching device (1), an instantaneous smoke device (2) and an IR-smoke generator (3) is provided with a casing (4) which can be deformed to guiding/supporting fins (4').

Abstract: In cased telescoped ammunition the improvement which comprises an arrangement for securing the cartridge casing to the end caps so as to enable and limit axial movement therebetween.

Abstract: An ammunition round cartridge case having a stress riser in the form of at least one elongated recess adapted for preserving the seal of ignition gases within the cartridge case during initial stages of ignition and also adapted for allowing a splitting of the cartridge case wall surface at peak gas pressure within the cartridge case during firing whereby to permit easy extraction or push-through ejection of the cartridge case from the gun chamber subsequent to firing of the round. A preferred embodiment utilizes a unitary recess that is parallel to the longitudinal axis of the cartridge case, longer than one-half of the length of the cartridge case and which has a triangular cross-section the apex of which extends more than halfway into the wall surface of the cartridge case.

Abstract: Unitary cartridge of plastic material for discharging a pyrotechnic mixture, smoke flare, chaff round, and the like is disclosed. A slidable piston is contained within a hollow casing forming the cartridge to engage with a portion of the casing to provide an internal integral seal for sealing a replaceable impulse cartridge and/or blank plug therein. A moisture proof seal is thereby maintained when the cartridge is armed by the insertion of an impulse cartridge or downloaded by the insertion of a blank plug. To facilitate the assembly of the cartridge, a rupturable closed end is provided with an internal lip adapted for engagement with an end plug to facilitate its alignment and positioning therein.

Abstract: A telescoped ammunition round has a projectile positioned in the axial cavity of a propellant charge. A generally tubular casing surrounding the propellant charge has two longitudinal splits dividing the casing into two substantially identical halves which can separate during firing and sustain the pressure created by the propellant charge without deforming. An end cap assembly couples adjacent ends of the halves of the tubular casing to each other.

Abstract: An industrial cartridge has a case that contains a propellant charge of at least two successively arranged propellant charge powders deflagrating at differing speeds. The powders are separated from each other by a gas-permeable cover extending transversely to the case axis. The case of the cartridge contains a compressible seal at the opposite end to the base end of the case. An ignition-transmitting tube is axially arranged in the case. The tube includes, at the level of the second and/or last propellant charge powder as seen from the base, a cover which is thinner than the wall of the ignition-transmitting tube.

Abstract: A cased cartridge ammunition ignition booster includes a film of booster propellant that is case-bonded without insulation or liner to the inside wall and base of an ordinary brass, steel or plastic cartridge case and ignited by a conventional primer. Flame spread occurs from the case wall inward through the non case-bonded propellant bed, that is, the bed of the propelling charge.

Abstract: When cartridges are introduced into a weapon there exists the danger that the conical shoulder of the cartridge case or sleeve will be deformed to an undesired degree. To avoid such disadvantage the wall of the conical shoulder is constructed to be thicker than the wall of the case or sleeve body of the cartridge case. For producing such a cartridge case an extruding mandrel is used which contains a recess at the region of the conical shoulder in order to generate a region of increased wall thickness in the wall of the cartridge case or sleeve.

Abstract: A process and apparatus for forming a thin-walled, elongated member having superior strength properties from an age hardenable copper base alloy is described herein. A slug or billet of a slurry cast, age hardenable copper base alloy is formed into a semi-solid slurry having about 10% to about 30% of the alloy in a liquid phase. The semi-solid slurry is then thixoforged to form the thin-walled, elongated member. Thereafter, the member is age hardened to provide a product having desired strength properties. The process and apparatus of the instant invention may be utilized to form cartridge casings.

Abstract: A cartridge for use with a revolver, automatic or submachine gun which includes a casing having a substantially linear outer wall, a transition bevel at one end of the casing which terminates in an extractor groove area, the groove area is connected to a base which includes an annular rim, a primer pocket extending through the base which communicates with an interior of the casing through a flash hole, the interior including a powder charge area having a planar bottom wall extending radially outwardly from the flash hole and terminates in a substantially elliptical section, the elliptical section communicating with an end opposed to the bevel of the casing through a sloped wall and thereafter a further neck section which is adapted to receive the bullet therewithin, this last neck section being of uniform thickness and substantially parallel to the outer casing, so that upon combustion and discharging of the bullet, a thickened wall is provided along the base of the cartridge, the thickness tapering in a spec

Abstract: A gas actuated cartridge, which is smokeless, flashless and noiseless in ration, contains a novel pusher cup of elastic material, such as butyl rubber. The pusher cup is folded back within itself and contains an exterior annular flange which fits into a groove in the bore of the cartridge case. A closure plug containing the propellant charge is threadably attached to the bore of the cartridge case and engages the interior of the cup in the flange portion to seal and anchor the cup in the bore. The elastic cup can propel a projectile by the unfolding action of the cup, and expands without rupture to contain the propellant gases and contracts when the volume of the gases reduces on cooling, whereby the cup shrinks back from the wall of the gun barrel and, hence, can be readily removed from the barrel.

Abstract: An improved process for joining a shell having a plastic base portion to a cartridge case within a joining region. The joining region extends along a plastic base portion of said shell when it is inserted into the neck portion of the casing and has an upper and lower limit. The base portion is being axially inserted into the neck portion of the casing while being subjected to a relative rotational movement. A glueing or synthetic substance having flow capability is introduced into the neck portion of the casing. This plastic or glueing substance after hardening adheres more strongly to the inner surface of the neck portion than on said plastic base portion.

Abstract: The present invention provides a shotshell including a cartridge case having a metal sidewall defining an open end of the case. A charge is contained in the case and retained by an overshot plug which is a friction fit in the case. The sidewall has a thickness of not less than 0.5 mm and may have a formation for engaging a formation on the plug to locate the plug in position.Shotshell components can be provided as a kit which may include two identical plugs each having a closed air bleed hole which can be extended to pass through the plug. A plug with a completed hole can be used as an overpowder plug while the overshot plug can be used with the hole closed.