EP2297545B1 - Non-lethal munition - Google Patents
Non-lethal munition Download PDFInfo
- Publication number
- EP2297545B1 EP2297545B1 EP09761798.9A EP09761798A EP2297545B1 EP 2297545 B1 EP2297545 B1 EP 2297545B1 EP 09761798 A EP09761798 A EP 09761798A EP 2297545 B1 EP2297545 B1 EP 2297545B1
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- EP
- European Patent Office
- Prior art keywords
- base
- ogive
- munition
- projectile
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/34—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
Definitions
- the present invention relates to a non-lethal munition.
- the munition according to the invention is useful for controlling a human target without killing it.
- the patent application US2006 / 0032393 discloses an ammunition that includes a socket and a projectile.
- the projectile includes a central body and a hollow projectile head filled with marking material.
- the projectile head bursts during the impact, which can cause cuts on the human target.
- the patent US 6,041,712 discloses a non-lethal munition comprising a socket and a projectile whose warhead is full of foam, or hollow.
- Requirement US 2007 0151473 which forms a starting point for the present invention, discloses a non-lethal munition comprising a socket and a projectile, said projectile comprising a base and an ogive which can in particular be hollow.
- the ammunition marketed under the brand Foam Baton® also includes a socket and a projectile whose warhead is full, rubber foam.
- the foam crushes on itself, the kinetic energy is distributed on an impact surface of the initial diameter of the munition, and we observe a significant penetration of these ammunition in a human target.
- a technical problem to be solved by the invention is to improve safety and to decrease the penetration of non-lethal munitions of equal kinetic energy.
- the solution proposed by the invention to this problem relates to a non-lethal munition comprising a socket and a projectile, the socket comprising a high pressure chamber in which there is a pyrotechnic propulsion unit, the projectile comprising a base and an ogive, the base in the form of a hollow cylinder open to its lower end and closed at its upper end by an upper wall, the ogive being in the form of a hemisphere or cylinder surmounted by a hemisphere, the ogive being hollow and made of a deformable material, characterized in that the projectile further comprises a mounting ring which assembles the warhead with the base, in that the warhead comprises an inner cylinder, and in that the base comprises both a cylindrical ring called peripheral protruding on the upper face of the upper wall of the base, and a so-called central cylindrical ring projecting on the upper face of the upper wall of the base, the inner cylinder being, in its lower part, housed inside or the outside of the ring and against said
- the invention as thus defined has the advantage of offering a greater impact surface than with the ammunition of the prior art.
- the hollow warhead of the munition according to the invention crushes on impact, without breaking and widening, which increases the impact surface and distribute the kinetic energy projectile over a larger area, which results in reduced penetration of the projectile into its target.
- This is made possible by the use of a projectile which includes a hollow warhead, a base and a mounting ring which assembles the hollow warhead with the base.
- the ring by its tightening, participates in the damping effect during the impact.
- the penetration is substantially reduced by the ammunition according to the invention.
- the sleeve is made of plastic;
- the pyrotechnic propulsion unit comprises a primer and an explosive powder contained in a socket, the explosive powder being kept in contact with the primer by a foam inside the socket;
- the high pressure chamber comprises a communication hole with a low pressure chamber, said communication hole being closed by a brass cover or by a plastic cover;
- the mounting ring has the shape of a hollow cylinder and comprises on its inner surface clips adapted to be housed in grooves or complementary notches located on the outer faces of the side walls of the base and the ogive.
- the non-lethal munition is intended to be introduced into a launcher and to be fired towards a target, preferably a human target, for example a person to be neutralized. She is destined to reach the target but she must not kill her. It must instead be stopped on the surface of the human target, without piercing it and without reaching vital organs, and it must not produce an impact too powerful on the target.
- a target preferably a human target, for example a person to be neutralized. She is destined to reach the target but she must not kill her. It must instead be stopped on the surface of the human target, without piercing it and without reaching vital organs, and it must not produce an impact too powerful on the target.
- the munition according to the invention meets these expectations.
- the non-lethal munition 1 is of generally cylindrical shape. It preferably has a diameter of 37, 38, 40 or 56 mm, but may be of any other diameter. It comprises two parts: a socket 2 and a projectile. The projectile comprises three parts: a base 3, a ogive 4 and a mounting ring 5.
- the socket 2 is the element that remains in the barrel after firing.
- the sleeve 2 is a cut-piece in one piece, of preferably cylindrical shape, comprising an open upper end which terminates in a collar 20 with, preferably, a recess 21.
- the socket 2 comprises at its lower end, closed or not, a base 22.
- the sleeve 2 is assembled with the projectile, preferably at the collar 20, that is to say in the open upper part of the sleeve 2 (according to the orientation shown in FIGS. Figures 1 to 4 ).
- the assembly of the sleeve 2 with the projectile can be maintained for example by gluing and / or by means of locking grooves.
- the assembly of the sleeve 2 with the projectile is at a recess 21 located on the inner surface of the collar 20 of the sleeve 2 and which receives and comes into contact with a complementary recess 31 located on the outer surface from the base of the projectile.
- the sleeve 2 comprises a space 6, called high pressure chamber. It is located in the lower part of the sleeve 2 and it extends inwards from the base 22 of the sleeve 2. Advantageously, it does not appear protruding in the ammunition 1, it is on the contrary completely integrated in the mass of the lower part of the sleeve 2, so that it does not protrude from another part.
- This high-pressure chamber 6, generally cylindrical, comprises a hole or a communication passage 61 which opens on the open upper part of the sleeve 2. This hole or passage 61 is intended to make the high pressure chamber 6 communicate with a chamber low pressure 62. It is advantageously closed by a brass cap 63 which is preferably positioned on the side of the high pressure chamber 6.
- the cap 63 has a diameter preferably equal to that of the chamber 6 so that it covers the entire upper surface.
- This brass cap 63 has a low resistance and is calibrated to tear under the effect of pressure. Its position against the upper surface inside the high pressure chamber 6 is advantageous because it allows only the part of the lid which is opposite the communication hole 61, and not the entire lid, it tears and starts under the effect of the pressure that rises in the chamber 6. It also prevents the lid from being detached if it was positioned on the side of the low pressure chamber 62.
- the brass cap 63 has It is also advantageous not to let the high-pressure chamber 6 escape than the gases but no powder.
- the brass cap 63 may be replaced by a plastic cover, forming for example an integral part of the sleeve (2).
- the low pressure chamber 62 is defined essentially by the interior space of the base 3 and partly by the upper interior space of the socket 2.
- the socket 2 also comprises a pyrotechnic propulsion unit 7, or propellant 7.
- This propellant 7 comprises a primer 71 and an explosive powder 72 contained in a bushing 70.
- the bushing 70 is smaller than the bushing 2 and is preferably metallic.
- the pyrotechnic propulsion unit 7 is positioned inside the high pressure chamber 6. This is a blank ammunition.
- the bushing 70 is preferably a brass tube, closed at the bottom. It is closed at its upper end, facing the hole or communication passage 61, according to a folded crimping mode.
- the explosive powder 72 is kept in contact with the primer by a foam 73 inside the sleeve 70.
- Foam 73 guarantees a good mechanical seal of the propulsion unit 7, preventing the powder 72 from escaping.
- the foam 73 and the brass cap 63 guarantee a total combustion of the powder 72, which ensures a regularity of a munition 1 to another.
- the amount of powder 72 is chosen as a function of the amount of kinetic energy and the desired momentum.
- the firing mechanism When the munition 1 according to the invention is inserted into a launcher, the firing mechanism is engaged on the weapon, it is striking on the primer 71.
- the primer makes a spark that ignites the powder 72 maintained by the foam 73. While burning, the powder 72 releases propellant gases whose pressure unfolds and opens the crimping of the brass tube. The gases are released into the high pressure chamber 6 and the pressure rises to a point where the brass cap 63 breaks. The gases then pass into the low pressure chamber 62 through the communication hole 61, exert on the inner surfaces of the base 3 a pressure which expels the projectile from the sleeve 2.
- the bushing 2 is preferably made of plastic, and not of metal, so that it does not deform, especially if it falls.
- the plastics material is preferably a polyphthalamide, and preferably a polyphthalamide filled with fiberglass. This is an advantage over the ammunition of the prior art, including those whose socket is metal, which can deform in case of a fall and then do not fit into the launcher. On the contrary, the introduction of the munition 1 according to the invention in a launcher is never a problem.
- the projectile comprises three pieces: a base 3, a ogive 4 and a mounting ring 5.
- the base 3 is preferably in the form of a hollow cylinder which is open at its lower end, that is to say facing the sleeve 2, and which is closed by an upper wall 32 at its upper end , that is to say opposite the warhead 4.
- the upper wall is generally perpendicular to the longitudinal central axis 10 of the munition 1.
- the upper wall 32 comprises, on its upper surface, a cylindrical ring 33, called the peripheral ring 33, projecting in the direction of the ogive 4.
- the longitudinal section of the so-called peripheral ring 33 preferably has a generally triangular shape.
- the wall 32 is not flat.
- the so-called peripheral ring 33 has an outer diameter smaller than the diameter of the upper wall 32 of the base.
- the upper surface of the wall 32 located outside the so-called peripheral crown 32 is called the upper rim 35 of the base 3.
- the upper wall 32 of the base 3 further comprises, on its upper surface, a cylindrical ring 34, called the central ring 34, projecting in the direction of the nose 4.
- the longitudinal section of the so-called central ring 34 is preferably a generally rectangular shape.
- peripheral ring 33 and the so-called central ring 34 are preferably centered on the longitudinal central axis 10 of the munition 1.
- the so-called central ring 34 has an outer diameter smaller than the inner diameter of the so-called peripheral ring 33, so that the so-called central ring 34 is inside the so-called peripheral ring 33.
- the upper surface of the wall 32 located between the rings 33 and 34 is called the intermediate surface 36, while the upper surface of the wall 32 situated inside the so-called central crown 34 is called the central surface 37.
- the central surface 37 is not on the same plane, and preferably raised with respect to the plane of the intermediate surface 36.
- the flange 35 may also be in a plane different from the intermediate plane 36 and / or the central plane 37.
- the base 3 is preferably made of plastic, preferably polycarbonate, and preferably not metal.
- the base 3 further comprises, preferably, at its open lower end, on its outer surface, a recess 31 complementary to a recess 21 located on the inner surface of the collar 20 of the sleeve 2, allowing the assembly of the socket 2 with the projectile.
- the recess 31 could also be located on the inner surface on the base 3 and the complementary recess 31 on the outer surface on the sleeve 2.
- the base 3 further comprises a holding element of its cylindrical shape during the propulsion of the projectile, that is to say, an element capable of preventing the walls of the base 3 do not deviate under the effect of pressure.
- This holding element preferably comprises ribs 38, located in the interior space of the base 3, under the wall 32.
- each of the ribs 38 is positioned in a plane perpendicular to the lower surface of the wall 32 and passing through a radius of the cylinder defined by the base 3.
- Each of these ribs 38 links, via its edges, the wall 32 and the side wall of the base 3. They are preferably distributed along a plurality of radii. symmetric way.
- the base 3 further comprises, on the outer surface of its side wall, generally at the largest diameter of the projectile, a projecting ring 39 which allows the projectile to be rotated by a launcher, generally a rifled barrel, at moment of propulsion the projectile is fired by a weapon. This contributes to the gyroscopic stability of the projectile.
- the base 3 further comprises, preferably, a groove or notch 40 on the outer face of its side wall, in its upper part and along its perimeter. This groove or notch 40 is intended to receive the mounting ring 5 in a preferred embodiment.
- the projectile also includes a warhead 4.
- the ogive 4 is preferably in the form of hollow hemisphere or hollow cylinder surmounted by a hollow hemisphere.
- the nose 4 is open at its lower end and comprises, at this end, an outer lower edge 41. It further comprises a side wall 42.
- the nose 4 is made of a deformable material, particularly when the impact on a human target. This material is preferably chosen from thermoplastics, preferably vulcanized elastomeric thermoplastics.
- the pressure exerted on the top of the warhead 4 causes a deformation of the lateral wall 42 of the warhead at the median and / or lower part of the warhead. .
- the sidewall 42 moves outward from its initial position and generally forms a bead that extends outwardly.
- the diameter of the side wall 42 increases, while the height of the ogive is shortened.
- the mounting ring 5 remains in place and the lower outer edge 41 of the ogive 4 remains assembled with the base 3.
- the ogive 4 is flattened, it has a diameter greater than its initial diameter and its surface. impact on the target is greatly increased.
- an ogive 4 with an initial diameter of 40 mm flattens and has a diameter after impact at least greater than 45 mm, generally greater than 50 mm, up to 58 to 60 mm.
- This impact surface is greatly increased compared to ammunition of the prior art, which reduces the penetration of the projectile into the human target.
- ammunition of the prior art of 40 mm in diameter in particular those whose warhead is full, impact a human target on a surface of 40 mm, without flattening or without sufficiently increasing the impact surface .
- the munition 1 according to the invention thus advantageously allows a larger transmission area and absorption of the kinetic energy of the projectile, that is to say a greater damping effect.
- the nose 4 further comprises an inner cylinder 43, preferably centered around the longitudinal central axis 10 of the munition 1. It s' extends, preferably parallel to this axis, from top to bottom of the nose 4. In its lower part, the outer diameter of the cylinder 43 corresponds to the inner diameter of the so-called central ring 34 on the wall 32 of the base 3.
- the inner cylinder 43 allows the warhead not to crash during the Propulsion of the projectile, it brings the holding to the projectile.
- the cylinder 43 deforms at the moment of impact as the lateral wall 42 of the nose 4, moving outwardly, forming generally a bead which extends in the space 44 defined between the cylinder 43 and the lateral wall 42 of the warhead 4. This space 44 facilitates the deformation of the cylinder 43.
- the inside diameter of the lateral wall 42 of the ogive, at the level of the lower rim 41, corresponds to the outside diameter of the so-called peripheral crown 33 of the base 3.
- the so-called peripheral ring 33 is housed inside and against the side wall 42. This makes it possible to position and maintain the assembled position, and this provides the projectile withstand and contributes to the damping at the moment of impact. .
- the warhead 4 furthermore preferably comprises a groove or a notch 45 on the external face of the lateral wall 42, in its lower part and according to its perimeter. This groove or notch 45 is intended to receive the mounting ring 5 in a preferred embodiment.
- the projectile further comprises a mounting ring 5 which allows the assembly of the base 3 and the ogive 4.
- the upper edge 35 of the base 3 is in contact with the lower edge 41 of the ogive 4, and the mounting ring 5 maintains this attached position.
- the ogive 4 is not in contact with the entire upper surface of the wall 32 of the base 3.
- the mounting ring 5 is preferably made of plastic material, preferably polycarbonate.
- the ring 5 has the shape of a hollow cylinder.
- the outer diameter of the ring 5 is approximately equal to the outer diameter of the ogive 4 and the base 3, at their contact zones with the ring 5, so that the outer surface of the ring 5 has continuity with the outer surfaces of the ogive 4 and the base 3.
- the ring 5 preferably comprises, on its inner surface, clips 51 adapted to be housed in the grooves or notches 40 and 45 complementary respectively to the base 3 and the ogive 4, to assemble the ogive 4 and the base 3 by clipping.
- the ring 5 thus ensures airtightness between the two parts. It also ensures the maintenance of these two parts during propulsion and impact, so that they do not dissociate. All this optimizes and guarantees the desired shock absorber effect during the impact, ensuring the deformation of the warhead 4 without breaking.
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- General Engineering & Computer Science (AREA)
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Description
La présente invention concerne une munition non létale. La munition selon l'invention est utile pour maîtriser une cible humaine sans la tuer.The present invention relates to a non-lethal munition. The munition according to the invention is useful for controlling a human target without killing it.
Dans l'état de la technique, il existe plusieurs munitions non létales. Par exemple, la demande de brevet
Compte tenu de ce qui précède, un problème technique que se propose de résoudre l'invention est d'améliorer la sécurité et de diminuer la pénétration des munitions non létales à énergie cinétique égale.In view of the foregoing, a technical problem to be solved by the invention is to improve safety and to decrease the penetration of non-lethal munitions of equal kinetic energy.
La solution proposée par l'invention à ce problème a pour objet une munition non létale comprenant une douille et un projectile, la douille comprenant une chambre haute pression dans laquelle se trouve un ensemble propulsif pyrotechnique, le projectile comprenant une embase et une ogive, l'embase se présentant sous une forme de cylindre creux ouvert à son extrémité inférieure et fermé à son extrémité supérieure par une paroi supérieure, l'ogive se présentant sous une forme d'hémisphère ou de cylindre surmonté d'une hémisphère, l'ogive étant creuse et faite d'un matériau déformable, caractérisée en ce que le projectile comprend en outre une bague de montage qui assemble l'ogive avec l'embase, en ce que l'ogive comprend un cylindre interne, et en ce que l'embase comprend à la fois une couronne cylindrique dite périphérique en saillie sur la face supérieure de la paroi supérieure de l'embase, et une couronne cylindrique dite centrale en saillie sur la face supérieure de la paroi supérieure de l'embase, le cylindre interne étant, dans sa partie inférieure, logé à l'intérieur ou à l'extérieur de la couronne et contre ladite couronne, et le rebord inférieur dudit cylindre se trouvant au contact de l'embase.The solution proposed by the invention to this problem relates to a non-lethal munition comprising a socket and a projectile, the socket comprising a high pressure chamber in which there is a pyrotechnic propulsion unit, the projectile comprising a base and an ogive, the base in the form of a hollow cylinder open to its lower end and closed at its upper end by an upper wall, the ogive being in the form of a hemisphere or cylinder surmounted by a hemisphere, the ogive being hollow and made of a deformable material, characterized in that the projectile further comprises a mounting ring which assembles the warhead with the base, in that the warhead comprises an inner cylinder, and in that the base comprises both a cylindrical ring called peripheral protruding on the upper face of the upper wall of the base, and a so-called central cylindrical ring projecting on the upper face of the upper wall of the base, the inner cylinder being, in its lower part, housed inside or the outside of the ring and against said ring, and the lower rim of said cylinder being in contact with the base.
L'invention telle qu'ainsi définie présente l'avantage d'offrir une surface d'impact plus importante qu'avec les munitions de l'art antérieur. En effet, l'ogive creuse de la munition selon l'invention s'écrase lors de l'impact, sans se casser et en s'élargissant, ce qui permet d'augmenter la surface d'impact et de répartir l'énergie cinétique du projectile sur une plus grande surface, ce qui a pour conséquence de réduire la pénétration du projectile dans sa cible. Cela est rendu possible grâce à l'utilisation d'un projectile qui comprend une ogive creuse, une embase et une bague de montage qui assure l'assemblage de l'ogive creuse avec l'embase. La bague, par son serrage, participe à l'effet d'amortissement lors de l'impact. Ainsi, la pénétration est sensiblement diminuée grâce aux munitions selon l'invention.The invention as thus defined has the advantage of offering a greater impact surface than with the ammunition of the prior art. Indeed, the hollow warhead of the munition according to the invention crushes on impact, without breaking and widening, which increases the impact surface and distribute the kinetic energy projectile over a larger area, which results in reduced penetration of the projectile into its target. This is made possible by the use of a projectile which includes a hollow warhead, a base and a mounting ring which assembles the hollow warhead with the base. The ring, by its tightening, participates in the damping effect during the impact. Thus, the penetration is substantially reduced by the ammunition according to the invention.
De manière avantageuse, dans le cadre de la présente invention, - la douille est en matière plastique ; - l'ensemble propulsif pyrotechnique comprend une amorce et une poudre explosive contenues dans une douille, la poudre explosive étant maintenue en contact avec l'amorce par une mousse à l'intérieur de la douille ; - la chambre haute pression comprend un trou de communication avec une chambre basse pression, ledit trou de communication étant fermé par un opercule de laiton ou par un opercule de matière plastique ; - la bague de montage a la forme d'un cylindre creux et comprend sur sa surface interne des clips aptes à se loger dans des gorges ou des encoches complémentaires situées sur les faces externes des parois latérales de l'embase et de l'ogive.Advantageously, in the context of the present invention, the sleeve is made of plastic; the pyrotechnic propulsion unit comprises a primer and an explosive powder contained in a socket, the explosive powder being kept in contact with the primer by a foam inside the socket; - The high pressure chamber comprises a communication hole with a low pressure chamber, said communication hole being closed by a brass cover or by a plastic cover; - the mounting ring has the shape of a hollow cylinder and comprises on its inner surface clips adapted to be housed in grooves or complementary notches located on the outer faces of the side walls of the base and the ogive.
L'invention sera mieux comprise à la lecture de l'exposé non limitatif qui suit, rédigé au regard des dessins annexés, dans lesquels :
- la
figure 1 montre une coupe longitudinale d'une munition selon un mode de réalisation préféré de l'invention ; - la
figure 2 montre une vue de face d'une munition selon un mode de réalisation préféré de l'invention ; - la
figure 3 montre une coupe longitudinale d'une douille selon un mode de réalisation préféré de l'invention ; - la
figure 4 montre une vue de face et de dessus d'une douille selon un mode de réalisation préféré de l'invention ; - la
figure 5 montre une coupe longitudinale d'une embase selon un mode de réalisation préféré de l'invention ; - la
figure 6 montre une vue de face et de dessous d'une ogive selon un mode de réalisation préféré de l'invention ; - la
figure 7 montre une coupe longitudinale d'une ogive selon un mode de réalisation préféré de l'invention ; - la
figure 8 montre une vue de face et de dessous d'une bague de montage selon un mode de réalisation préféré de l'invention ; - la
figure 9 montre une coupe longitudinale d'une bague selon un mode de réalisation préféré de l'invention.
- the
figure 1 shows a longitudinal section of a munition according to a preferred embodiment of the invention; - the
figure 2 shows a front view of a munition according to a preferred embodiment of the invention; - the
figure 3 shows a longitudinal section of a socket according to a preferred embodiment of the invention; - the
figure 4 shows a front and top view of a socket according to a preferred embodiment of the invention; - the
figure 5 shows a longitudinal section of a base according to a preferred embodiment of the invention; - the
figure 6 shows a front and bottom view of an ogive according to a preferred embodiment of the invention; - the
figure 7 shows a longitudinal section of an ogive according to a preferred embodiment of the invention; - the
figure 8 shows a front and bottom view of a mounting ring according to a preferred embodiment of the invention; - the
figure 9 shows a longitudinal section of a ring according to a preferred embodiment of the invention.
La munition non létale est destinée à être introduite dans un lanceur et à être tirée en direction d'une cible, de préférence une cible humaine, par exemple une personne à neutraliser. Elle est destinée à atteindre la cible mais elle ne doit pas la tuer. Elle doit au contraire être arrêtée à la surface de la cible humaine, sans la transpercer et sans atteindre des organes vitaux, et elle ne doit pas produire un impact trop puissant sur la cible. La munition selon l'invention répond à ces attentes.The non-lethal munition is intended to be introduced into a launcher and to be fired towards a target, preferably a human target, for example a person to be neutralized. She is destined to reach the target but she must not kill her. It must instead be stopped on the surface of the human target, without piercing it and without reaching vital organs, and it must not produce an impact too powerful on the target. The munition according to the invention meets these expectations.
Comme cela est illustré à la
La douille 2 est l'élément qui reste dans le canon après le tir.The
Comme cela est illustré aux
La douille 2 est assemblée avec le projectile, de préférence au niveau du collet 20, c'est-à-dire dans la partie supérieure ouverte de la douille 2 (selon l'orientation représentée aux
La douille 2 comprend un espace 6, appelé chambre haute pression. Il est situé dans la partie inférieure de la douille 2 et il s'étend vers l'intérieur à partir de la base 22 de la douille 2. De manière avantageuse, il n'apparaît pas saillant dans la munition 1, il est au contraire complètement intégré dans la masse de la partie inférieure de la douille 2, de sorte qu'il ne dépasse pas d'une autre partie. Cette chambre haute pression 6, généralement cylindrique, comprend un trou ou un passage de communication 61 qui s'ouvre sur la partie supérieure ouverte de la douille 2. Ce trou ou passage 61 est destiné à faire communiquer la chambre haute pression 6 avec une chambre basse pression 62. Il est avantageusement fermé par un opercule de laiton 63 qui est de préférence positionné du côté de la chambre haute pression 6. L'opercule 63 a un diamètre de préférence égal à celui de la chambre 6 de sorte qu'il en recouvre toute la surface supérieure. Cet opercule de laiton 63 présente une faible résistance et est calibré pour se déchirer sous l'effet de la pression. Sa position contre la surface supérieure à l'intérieur de la chambre haute pression 6 est avantageuse car elle permet que seule la partie de l'opercule qui se trouve en regard du trou de communication 61, et non pas la totalité de l'opercule, se déchire et parte sous l'effet de la pression qui monte dans la chambre 6. Elle évite aussi que l'opercule ne se décolle s'il était positionné du côté de la chambre basse pression 62. L'opercule de laiton 63 a l'avantage aussi de ne laisser s'échapper de la chambre haute pression 6 que les gaz mais pas de poudre. L'opercule de laiton 63 peut être remplacé par un opercule de matière plastique, faisant par exemple partie intégrante de la douille (2).The
Lorsque le projectile est fixé sur la douille 2, la chambre basse pression 62 est définie essentiellement par l'espace intérieur de l'embase 3 et en partie par l'espace intérieur supérieur de la douille 2.When the projectile is fixed on the
La douille 2 comprend également un ensemble propulsif pyrotechnique 7, ou propulseur 7. Ce propulseur 7 comprend une amorce 71 et une poudre explosives 72 contenues dans une douille 70. La douille 70 est plus petite que la douille 2 et elle est de préférence métallique.The
L'ensemble propulsif pyrotechnique 7 est positionné à l'intérieur de la chambre haute pression 6. Il s'agit d'une munition à blanc.The pyrotechnic propulsion unit 7 is positioned inside the high pressure chamber 6. This is a blank ammunition.
La douille 70 est de préférence un tube de laiton, fermé en bas. Il est fermé à son extrémité supérieure, en regard du trou ou passage de communication 61, selon un mode de sertissage plié. Ainsi, lorsque la pression monte dans la munition, le sertissage se déplie pour libérer les gaz dans la chambre haute pression et la douille 70 reste dans la chambre 6. De façon préférée, la poudre explosive 72 est maintenue en contact avec l'amorce par une mousse 73 à l'intérieur de la douille 70. La mousse 73 garantit une bonne étanchéité mécanique de l'ensemble propulsif 7, en empêchant la poudre 72 de s'échapper. La mousse 73 et l'opercule de laiton 63 garantissent une combustion totale de la poudre 72, ce qui assure une régularité d'une munition 1 à une autre. La quantité de poudre 72 est choisie en fonction de la quantité d'énergie cinétique et de la quantité de mouvement recherchées.The
Lorsque la munition 1 selon l'invention est insérée dans un lanceur, que le mécanisme de mise à feu est enclenché sur l'arme, celui-ci vient frapper sur l'amorce 71. L'amorce fait une étincelle qui enflamme la poudre 72 maintenue par la mousse 73. En brûlant, la poudre 72 dégage des gaz propulseurs dont la pression déplie et ouvre le sertissage du tube de laiton. Les gaz sont libérés dans la chambre haute pression 6 et la pression monte dans jusqu'à un point où l'opercule de laiton 63 se rompt. Les gaz passent alors dans la chambre basse pression 62 par le trou de communication 61, exercent sur les surfaces intérieures de l'embase 3 une pression qui expulse le projectile de la douille 2.When the
La douille 2 est de préférence en matière plastique, et non pas en métal, de sorte qu'elle ne se déforme pas, en particulier si elle tombe. La matière plastique est de préférence un polyphtalamide, et de préférence un polyphtalamide chargé avec de la fibre de verre. C'est un avantage par rapport aux munitions de l'art antérieur, notamment celles dont la douille est en métal, qui peuvent se déformer en cas de chute et alors ne rentrent plus dans le lanceur. Au contraire, l'introduction de la munition 1 selon l'invention dans un lanceur ne pose jamais de problème.The
Le projectile comprend trois pièces : une embase 3, une ogive 4 et une bague de montage 5.The projectile comprises three pieces: a
Comme cela est illustré aux
La paroi supérieure 32 comprend, sur sa surface supérieure, une couronne cylindrique 33, appelée couronne périphérique 33, en saillie en direction de l'ogive 4. La section longitudinale de la couronne dite périphérique 33 a de préférence une forme globalement triangulaire. La paroi 32 n'est alors pas plane.The
La couronne dite périphérique 33 a un diamètre extérieur inférieur au diamètre de la paroi supérieure 32 de l'embase. La surface supérieure de la paroi 32 située à l'extérieur de la couronne dite périphérique 32 est appelée rebord supérieur 35 de l'embase 3.The so-called
La paroi supérieure 32 de l'embase 3 comprend en outre, sur sa surface supérieure, une couronne cylindrique 34, appelée couronne centrale 34, en saillie en direction de l'ogive 4. La section longitudinale de la couronne dite centrale 34 a de préférence une forme globalement rectangulaire.The
La couronne dite périphérique 33 et la couronne dite centrale 34 sont de préférence centrées sur l'axe central longitudinal 10 de la munition 1.The so-called
La couronne dite centrale 34 a un diamètre extérieur inférieur au diamètre intérieur de la couronne dite périphérique 33, de sorte que la couronne dite centrale 34 se trouve à l'intérieur de la couronne dite périphérique 33. La surface supérieure de la paroi 32 située entre les couronnes 33 et 34 est appelée surface intermédiaire 36, tandis que la surface supérieure de la paroi 32 située à l'intérieur de la couronne dite centrale 34 est appelée surface centrale 37. De préférence, la surface centrale 37 n'est pas sur le même plan, et de préférence surélevée par rapport au plan de la surface intermédiaire 36. Le rebord 35 peut également se trouver selon un plan différent du plan intermédiaire 36 et/ou du plan central 37. Les couronnes 33 et 34 et les modes de réalisation préférés précités permettent un très bon positionnement et un meilleur maintien de l'ogive 4 lors de la propulsion du projectile et un meilleur amortissement lors de l'impact.The so-called
L'embase 3 est de préférence en matière plastique, de préférence en polycarbonate, et de préférence pas en métal.The
L'embase 3 comprend en outre, de préférence, au niveau de son extrémité inférieure ouverte, sur sa surface externe, un décrochement 31 complémentaire d'un décrochement 21 situé sur la surface interne du collet 20 de la douille 2, permettant l'assemblage de la douille 2 avec le projectile. Le décrochement 31 pourrait également être situé sur la surface interne sur l'embase 3 et le décrochement complémentaire 31 sur la surface externe sur la douille 2. L'embase 3 comprend en outre un élément de maintien de sa forme cylindrique lors de la propulsion du projectile, c'est-à-dire un élément apte à empêcher que les parois de l'embase 3 ne s'écartent sous l'effet de la pression. Cet élément de maintien comprend de préférence des nervures 38 , situées dans l'espace intérieur de l'embase 3, sous la paroi 32. De préférence, chacune des nervures 38 est positionnée selon un plan perpendiculaire à la surface inférieure de la paroi 32 et passant par un rayon du cylindre défini par l'embase 3. Chacune de ces nervures 38 lie, par l'intermédiaire de ses bords, la paroi 32 et la paroi latérale de l'embase 3. Elles sont de préférence réparties selon plusieurs rayons de manière symétrique.The
L'embase 3 comprend en outre, sur la surface externe de sa paroi latérale, généralement au niveau du plus grand diamètre du projectile, une couronne 39 en saillie qui permet la mise en rotation du projectile par un lanceur, généralement un canon rayé, au moment de la propulsion du projectile est tiré par une arme. Cela participe à la stabilité gyroscopique du projectile.The
L'embase 3 comprend en outre, de préférence, une gorge ou une encoche 40 sur la face externe de sa paroi latérale, dans sa partie supérieure et selon son périmètre. Cette gorge ou cette encoche 40 est destinée à recevoir la bague de montage 5 dans un mode de réalisation préféré.The
Le projectile comprend également une ogive 4. Ainsi que cela est illustré aux
Le diamètre intérieur de la paroi latérale 42 de l'ogive, au niveau du rebord inférieur 41, correspond au diamètre extérieur de la couronne dite périphérique 33 de l'embase 3. Ainsi, lorsque l'ogive 4 est assemblée avec l'embase 3, la couronne dite périphérique 33 vient se loger à l'intérieur et contre la paroi latérale 42. Cela permet de positionner et maintenir la position assemblée, et cela apporte de la tenue au projectile et participe à l'amortissement au moment de l'impact.The inside diameter of the
L'ogive 4 comprend en outre, de préférence, une gorge ou une encoche 45 sur la face externe de la paroi latérale 42, dans sa partie inférieure et selon son périmètre. Cette gorge ou cette encoche 45 est destinée à recevoir la bague de montage 5 dans un mode de réalisation préféré.The
Le projectile comprend en outre une bague de montage 5 qui permet l'assemblage de l'embase 3 et de l'ogive 4. En position assemblée, le rebord supérieur 35 de l'embase 3 se trouve au contact du rebord inférieur 41 de l'ogive 4, et la bague de montage 5 maintient cette position jointe. A la différence de certaines munitions de l'art antérieur, l'ogive 4 n'est pas en contact avec toute la surface supérieure de la paroi 32 de l'embase 3.The projectile further comprises a mounting
La bague de montage 5 est de préférence en matière plastique, de préférence du polycarbonate.The mounting
Ainsi que cela est illustré aux
La bague 5 comprend de préférence, sur sa surface interne, des clips 51 aptes à se loger dans les gorges ou les encoches 40 et 45 complémentaires respectivement sur l'embase 3 et sur l'ogive 4, afin d'assembler l'ogive 4 et l'embase 3 par clipsage.The
La bague 5 assure ainsi l'étanchéité d'air entre les deux pièces. Elle assure également le maintien de ces deux parties lors de la propulsion et de l'impact, de sorte qu'elles ne se désolidarisent pas. Tout cela optimise et garantit l'effet d'amortisseur recherché lors de l'impact, assurant la déformation de l'ogive 4 sans cassure.The
Claims (7)
- Non-lethal munition (1) comprising a case (2) and a projectile,
the case (2) comprising a high-pressure chamber (6) wherein in which there is a pyrotechnic propellant assembly (7),
the projectile comprising a base (3) and an ogive (4), the base (3) being in the form of a hollow cylinder open at its lower end and closed at its upper end by an upper wall (32), the ogive (4) being in the form of a hemisphere or cylinder surmounted by a hemisphere, the ogive (4) being hollow and made of a deformable material, characterised in that the projectile further comprises a mounting ring (5) qui assembles the ogive (4) with the base (3), in that the ogive (4) comprises an internal cylinder (43), and in that the base comprises both a peripheral cylindrical crown (33) protruding on the upper face of the upper wall (32) of the base (3), and a central cylindrical crown (34) protruding on the upper face of the upper wall (32) of the base (3), the internal cylinder (43) being, in its lower portion, housed inside or outside the crown (34) and against said crown (34), and the lower edge of said cylinder (43) is in contact with the base (3). - Munition (1) according to claim 1, characterised in that the case (2) is made of plastic material.
- Munition (1) according to one of the preceding claims, characterised in that the pyrotechnic propellant assembly (7) comprises a primer (71) and an explosive powder (72) contained in a case (70), with the explosive powder (72) being maintained in contact with the primer by a foam (73) inside the case (70).
- Munition (1) according to one of the preceding claims, characterised in that the high-pressure chamber (6) comprises a communication hole (61) with a low-pressure chamber (62), said communication hole (61) being closed by a brass seal (63) or by a seal made of plastic.
- Munition (1) according to one of the preceding claims, characterised in that the mounting ring (5) has the shape of a hollow cylinder and comprises on its internal surface clips (51) able to be housed in complementary grooves or notches (40, 45) located on the external faces of the lateral walls of the base (3) and of the ogive (4).
- Munition (1) according to one of the preceding claims, characterised in that the ogive (4) is in thermoplastic material.
- Munition (1) according to claim 6, characterised in that the ogive (4) is made of a vulcanized thermoplastic elastomer material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0803315A FR2932560B1 (en) | 2008-06-13 | 2008-06-13 | NON-LETAL AMMUNITION. |
PCT/EP2009/057315 WO2009150237A1 (en) | 2008-06-13 | 2009-06-12 | Non-lethal munition |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2297545A1 EP2297545A1 (en) | 2011-03-23 |
EP2297545B1 true EP2297545B1 (en) | 2015-08-12 |
Family
ID=40456171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09761798.9A Active EP2297545B1 (en) | 2008-06-13 | 2009-06-12 | Non-lethal munition |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2297545B1 (en) |
ES (1) | ES2556705T3 (en) |
FR (1) | FR2932560B1 (en) |
WO (1) | WO2009150237A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG181192A1 (en) * | 2010-11-25 | 2012-06-28 | Advanced Material Engineering Pte Ltd | A cartridged projectile |
CN114858009B (en) * | 2022-06-16 | 2023-11-14 | 中国人民武装警察部队工程大学 | Non-lethal kinetic energy projectile with better aerodynamic characteristics and without hard projectile body |
CN115031589B (en) * | 2022-06-16 | 2023-11-21 | 中国人民武装警察部队工程大学 | Composite non-lethal kinetic energy bullet with multistage buckling structure |
CN115014133B (en) * | 2022-06-16 | 2023-11-21 | 中国人民武装警察部队工程大学 | Composite non-lethal kinetic energy bomb with embedded projectile body |
CN114963885B (en) * | 2022-06-20 | 2023-11-24 | 中国人民武装警察部队工程大学 | Thermal compression sleeve type composite non-fatal kinetic energy bomb |
CN115574665B (en) * | 2022-10-17 | 2024-02-02 | 中国人民武装警察部队工程大学 | Composite spherical cloth bag bullet for knocking and spraying |
CN115507709B (en) * | 2022-10-17 | 2024-02-02 | 中国人民武装警察部队工程大学 | Impact crushing type non-lethal kinetic energy projectile with built-in multi-cloth-bag projectile |
CN115540698B (en) * | 2022-10-17 | 2024-02-02 | 中国人民武装警察部队工程大学 | Impact buffering type non-lethal kinetic energy bullet with extended inner core |
CN115597440B (en) * | 2022-10-21 | 2024-02-20 | 中国人民武装警察部队工程大学 | Bullet cabin bearing type multi-effect integrated non-lethal ammunition |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6324983B1 (en) * | 1999-08-19 | 2001-12-04 | The United States Of America As Represented By The Secretary Of The Army | Sub-caliber projectile for low impulse cartridges |
EP1782017B1 (en) * | 2004-07-23 | 2008-12-10 | RUAG Ammotec | Bursting projectile |
US7287475B2 (en) * | 2006-01-03 | 2007-10-30 | Combined Systems, Inc. | Reloadable non-lethal training cartridge |
US20070289475A1 (en) * | 2006-06-16 | 2007-12-20 | Kapeles John A | Non-lethal munitions having densified materials |
-
2008
- 2008-06-13 FR FR0803315A patent/FR2932560B1/en active Active
-
2009
- 2009-06-12 WO PCT/EP2009/057315 patent/WO2009150237A1/en active Application Filing
- 2009-06-12 EP EP09761798.9A patent/EP2297545B1/en active Active
- 2009-06-12 ES ES09761798.9T patent/ES2556705T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2556705T3 (en) | 2016-01-19 |
WO2009150237A1 (en) | 2009-12-17 |
FR2932560A1 (en) | 2009-12-18 |
FR2932560B1 (en) | 2010-08-20 |
EP2297545A1 (en) | 2011-03-23 |
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