RU2518639C2 - Bullet for non-lethal small-arms weapon - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to ammunition of sporting plain-barrelled guns and tubeless pistols for self-defence and can be used in non-lethal bullets, in particular as lachrymator, colouring, etc. means. The bullet for non-lethal small-arms weapon comprises the propellant charge placed in the sleeve, adjacent to the bottom igniter capsule, and an obturating wad carrying polymeric container with functional equipment, covered with the lid. The wad rests on the sleeve ledge forming an expansion chamber of combustion, and a polymeric container integrally connected with the thin-walled convex cover, which is made in the form of a sealed container filled with the functional suspension.

EFFECT: opportunity of flowable equipment of the bullet is achieved, which is dispersed inertially in the form of droplets in space when encountering an obstacle, colouring the obstacle or forming a cloud of directed action on the human organs of the senses, in particular lachrymator causing lacrimation.

2 dwg

Description

The invention relates to ammunition for sporting smoothbore guns and barrelless self-defense pistols and can be used in non-lethal cartridges, in particular as a lacrimator, coloring, etc. facilities.

The level of this technical field characterizes the signal rifle cartridge according to patent RU 2320950, F42B 4/02; 07/08, 2008, containing a thin-walled sleeve, an igniter capsule, a blasting powder charge and a polymer wad container comprising two coaxial cylinders rigidly connected by a common base, in which a central through hole for the propellant propellant charge communication with a functional pyroelement installed at the end of the inner cylinder.

The outer cylinder, which performs the functions of the bearing container, is equipped with longitudinal flutes, along which its aerodynamic opening after firing and braking occurs; as a result, the functional pyroelement is freed for autonomous flight to the target.

The profile base, actually wad, serves as an obturator that prevents unauthorized breakthrough of powder gases between the guide sleeve and the container, preserving the energy of the propelling impulse generated during the shot from the combustion of the powder charge.

The bottom of the thin-walled sleeve is hardened with a metal crimp cap with a central igniter capsule interacting with a bulk powder charge, on which the wad container is supported, covered with gaskets for rolling under the wall of the open end face of the sleeve.

This autonomous unitary loading cartridge is functionally reliable, since it is a direct-acting munition from a firing pulse of a fired igniter capsule that ignites a propellant powder charge in volume.

Actively generated gaseous combustion products of the powder charge penetrate through the fire-transfer through hole at the base of the wad-container into its central cylinder, where a functional pyroelement is ignited.

The free volume of the container is necessary to increase the pressure at which reliable ignition of the pyroelement occurs and it burns stably from the surface before subsequent throwing into the atmosphere, where the combustion of the functional pyroelement continues, forming a signal cloud of colored smoke, visible and visible at a distance.

The disadvantage of the described cartridge is the structural complexity of the wad-container, performing a complex of various functions and purposes.

More perfect is the signal rifle cartridge according to the invention RU 2283468 C2, F42B 7/06; 7/08, 2006, which was selected as the closest analogue to the one proposed by the number of matching features.

The known cartridge contains a thin-walled sleeve with a bottom metal cap, in the center of which is installed an igniter capsule interacting with a propellant powder charge.

A polymer wad container, the structural elements of which are interconnected by torsion bar shock absorbers distributed around their perimeter, rests on the propellant powder charge with an obturating skirt, forming a constructive unity.

On the surface of the cylindrical container, longitudinal riffles are made, along which it is divided into petals, aerodynamically bent by the incoming stream after a shot to slow it down and separate the fraction from the functional charge, which then flies toward the target autonomously, while maintaining relative density.

The external sawtooth profile of the cylindrical container, adjacent to the sleeve from the inside, forms gas-dynamic closures for obturation of powder gases.

The volume of the cylindrical container is filled with a shot charge, which is closed by a lid geometrically closed with a sleeve by rolling its free end into the structural unity of the unitary cartridge.

A disadvantage of the known cartridge is a narrow functional orientation for the formation of a fragment fragmentation field and unsuitability for using liquid-flowing equipment as a gun and pistol ammunition.

The technical problem to which the present invention is directed is to expand the scope of the cartridge as both a gun and a more dynamically loaded pistol ammunition with liquid-flowing equipment for various functional purposes.

The required technical result is achieved by the fact that in the known cartridge for non-lethal small arms containing a propellant placed in the sleeve adjacent to the bottom igniter capsule and obturating wad carrying a plastic container with functional equipment, closed with a lid, according to the invention, the wad rests on the step of the liner, forming an expansion chamber of combustion, and the polymer container, seamlessly connected with a thin-walled convex lid, is made in the form of a sealed container filled with tional suspension.

Distinctive features told the cartridge a new quality - the possibility of liquid-flowing equipment, which is inertially dispersed in the form of drops in space when faced with an obstacle, painting an obstacle or forming a cloud of directed action on the human senses, in particular, lacrimatorial, causing tearing.

Placing the obturating wad on the ledge of the sleeve provides a rigid support for the container at a given geometric location in the sleeve, providing the required firing characteristics for the flight of the functional charge at a given distance.

Performing a wad in the form of a tube is necessary to amortize the linear load during the shot and form an expansion chamber of the propellant powder charge inside it, thereby leveling the shock effect of the pressure jump on the adjacent container with liquid, which is guaranteed to maintain integrity during the shot, since it has a thickened bottom and distributed ribs stiffness.

A monolithic fastening between a polymer container and a convex lid is necessary to create a sealed container of elements differing in multiples of different thicknesses, the joint manufacture of which is an almost insoluble technical problem.

The thick-walled container structurally withstands the dynamic effects of the pressure of the powder gases of the burning propellant charge, which is damped in the increased volume combustion chamber operating in the receiver mode.

The implementation of the polymer cap is convex, in the form of a thin-walled cap, ensures its functioning as arches mainly for compression, causing not only vertical but also horizontal reactions in the joint with the container, which helps to obturate the powder gases, while maintaining a propelling impulse.

However, when meeting with an obstacle, the arch of the cap of the lid under the influence of transverse bending easily breaks into pieces, as a result of which liquid equipment freely spreads in the atmosphere, being dispersed by the free stream to numerous drops, thereby increasing the evaporation surface and the effect of the fluid equipment as intended.

The sealed container allows you to use a functional suspension as the cartridge’s equipment, which completely fills the volume of the container with a convex lid in order to eliminate its harmful inertial movements during firing, which can dynamically distort the flight path to the target.

Therefore, each essential feature is necessary, and their combination in a stable relationship is sufficient to achieve a novelty of quality that is not inherent in the characteristics of disunity, that is, the stated technical problem is solved not by the sum of the effects, but by a new super-effect of the sum of the attributes.

The invention is illustrated by the drawing, which has a purely illustrative purpose and does not limit the scope of the claims of the totality of the essential features of the formula. The drawing shows: in Fig.1 - pistol cartridge; figure 2 - gun cartridge.

The proposed cartridge for small arms of non-lethal action is intended for marking with a dye a barrier, tearing from irritation of the mucous membrane of the eyes of offenders, etc.

In the bottom of the stepped sleeve 1, a central igniter capsule 2 is installed, which interacts with the powder propellant charge 3, located in an autonomous blowout device 4 (Fig. 1).

In the rifle cartridge (FIG. 2), the pre-formed sleeve is formed of a thin-walled polymer tube 5 reinforced with a carrier bottom 6, which are connected by rolling the outer metal cap 7.

The propellant charge 3, covered with a paper or polymer shell 8, adjacent to the igniter capsule 2, is placed in the end groove of the bottom 6.

On the ledge of the sleeve 1 is installed tubular wad 9, forming an expansion chamber 10 of combustion.

The container 11, equipped with paddle stiffeners 12 for stiffness equally distributed around the periphery of the rifle cartridge, or with a cylindrical end face (FIG. 1), is supported by a tubular-shaped obturating wad 9.

The container 11 is seamlessly connected (glued) with a convex lid 13 having the form of a thin-walled cap, forming a sealed container under the functional suspension 14, which is equipped with a needle through the filling hole in its bottom (according to the drawing) part, which is welded after filling.

The lid 13 is pressed from above by a circle 16, around the perimeter of which a silicone sealant is applied.

In the rifle cartridge (Fig. 2), the open end of the thin-walled tube 5 is rolled onto the lid 13 of the functional capacity, as a result of which the monolithic autonomous assembly of the cartridge is formed.

The cartridge operates as follows.

When fired, the igniter capsule 2 is initiated, the flame force of which ignites the powder propellant charge 3, generating gaseous combustion products filling the combustion chamber 10.

In the combustion chamber 10, the powder gases are mixed, and their temperature and pressure are equalized, which is distributed and acts on the thickened bottom of the container 11, reporting a sealed container 11-13 with functional equipment 14 linear acceleration of movement.

On the flight path to the target, the tank 11-13 filled with suspension 14 retains longitudinal stability, and in the rifle cartridge over a longer flight distance it is enhanced by aerodynamic stabilization by the blade ribs 12, which shift the center of aerodynamic pressure back from the center of mass (Fig. 2 )

When meeting with the obstacle, the thin-walled cover 13 breaks, as a result of which the fluid-flowing equipment 14 inertially continues autonomous movement, is braked by the obstacle and disperses into the surrounding space.

Depending on the purpose, the equipment 14 paints the surface of the barrier or forms a cloud of finely dispersed volatile matter, which irritates the senses of the offender, depriving him of the possibility of active oriented actions.

The high effectiveness of the designation of prototype cartridges of the proposed design for smoothbore guns and barrelless pistols allows us to recommend the invention for serial production and delivery to customers of law enforcement agencies.

A comparative analysis of the proposed technical solution with the identified analogues of the prior art, from which the invention does not explicitly follow for a specialist in ammunition for small arms of non-lethal action, it follows that it is unknown, and given the possibility of industrial serial production of ammunition in existing production, we can conclude compliance with patentability criteria.

Claims (1)

A cartridge for small arms of non-lethal action, containing a propelling charge located in the sleeve adjacent to the bottom igniter capsule and obturating wad carrying a plastic container with functional equipment, closed by a lid, characterized in that the wad rests on the ledge of the sleeve, forming an expansion combustion chamber, and the polymer container, seamlessly connected with a thin-walled convex lid, is made in the form of a sealed container filled with a functional suspension.

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