EP0594823A1 - Ammunition for low pressure launching of projectiles capable of being fired from large calibre guns - Google Patents

Ammunition for low pressure launching of projectiles capable of being fired from large calibre guns

Info

Publication number
EP0594823A1
EP0594823A1 EP93910119A EP93910119A EP0594823A1 EP 0594823 A1 EP0594823 A1 EP 0594823A1 EP 93910119 A EP93910119 A EP 93910119A EP 93910119 A EP93910119 A EP 93910119A EP 0594823 A1 EP0594823 A1 EP 0594823A1
Authority
EP
European Patent Office
Prior art keywords
ammunition
ammunition according
chamber
cartridge
detonator
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.)
Withdrawn
Application number
EP93910119A
Other languages
German (de)
French (fr)
Inventor
Pierre Richert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0594823A1 publication Critical patent/EP0594823A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/06—Plural barrels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
    • F41A11/04—Articulated or collapsible guns, i.e. with hinged or telescopic parts for transport or storage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/18—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms for multibarrel guns or multiple guns
    • F41A19/19—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms for multibarrel guns or multiple guns with single-trigger firing possibility
    • F41A19/21—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms for multibarrel guns or multiple guns with single-trigger firing possibility having only one trigger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C7/00—Shoulder-fired smallarms, e.g. rifles, carbines, shotguns
    • F41C7/11—Breakdown shotguns or rifles
    • 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
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/46—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances
    • F42B12/50—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances by dispersion
    • 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 invention relates to the technical sector of ammunition.
  • the projectiles used are fragile, so that it is not allowed to use propulsion systems, requiring pyrotechnics operating at high pressure. Such projectiles must therefore be fired under low pressure.
  • black powder which makes it possible to have a lively and complete combustion range, under a relatively low pressure.
  • the black powder generates significant smoke and residue.
  • ammunition comprising a cylindrical case, one end of which receives a projectile, while the other end has a concentric chamber receiving a cartridge of reduced size.
  • the chamber has, over its entire length, a constant and uniform internal diameter, corresponding to that of the cartridge, to avoid the rise at high pressure.
  • the cartridge is loaded with pyroxilated powder and receives an overheated primer in fulminant composition.
  • the object of the invention is to remedy these 5 drawbacks in a simple, safe, effective and rational manner.
  • the problem which the invention proposes to solve is to be able to increase the pressure, in order to give speed to the projectile
  • the problem which the invention proposes to solve is to increase the pressure at the level of the cartridge and not of the chamber receiving the projectile.
  • the propulsion means consisting of a cartridge "blank”, housed in a diffuser, the entire cartridge and of the organ being introduced
  • the diffuser member has a coaxial chamber into which the cartridge is introduced
  • the chamber of the diffusing member is in communication with oversized lateral orifices arranged at the periphery and the sum of the sections of which exceeds the nominal diameter of said chamber.
  • the ammunition can fire any type of projectile made from solid bodies of flexible material, or 35 composed of flexible envelopes containing a liquid.
  • the projectile is constituted by a cylindrical body delimiting an internal volume capable of receiving "disperser” means capable of being released under the effect of destruction of said body, combination with a detonator subject to a retarder.
  • the detonator is mounted in a cylindrical housing formed coaxially at one of the ends of the body to be ignited by the gases of the cartridge - diffuser assembly.
  • the end of the body opposite to that receiving the detonator is closed by a cover.
  • the cover has concentric grooves and a non-opening central recess.
  • the latter has arrangements formed by grooves formed according to the generatrices of the body.
  • the dispersing means consist of CS powder, iron shot, liquid.
  • Figure 1 is a sectional view showing before assembly, the main components of the cartridge.
  • Figure 2 is a view corresponding to Figure 1 after mounting of the various elements.
  • Figure 3 is a cross-sectional view taken along line 3.3 of Figure 2.
  • Figure 4 is a longitudinal sectional view before mounting of the main elements of the projectile.
  • Figure 5 is a view corresponding to Figure 4 after mounting of the main elements of the projectile.
  • Figure 6 is a cross-sectional view taken along line 6.6 of Figure 5.
  • Figure 7 is a plan view corresponding to Figure
  • Figure 8 is a view showing the projectile in the ammunition.
  • the ammunition comprises a cylindrical case (1) of flexible plastic material, not fragile at low temperatures in particular.
  • One end of the case (1) is closed and has a concentric chamber (1a) coaxially adapted to receive a means for propelling a projectile (P).
  • the projectile (P) is housed in the case (1), after its introduction through the opening (1b).
  • the chamber (1a) has, over its entire length, a constant and uniform diameter.
  • the propulsion means comprises a blank cartridge (2) housed in a diffuser member (3).
  • the assembly of the cartridge (2) and the diffuser (3) is introduced into the coaxial chamber (1a) from the case.
  • the diffuser member (3) has an internal recess (3a) into which the blank cartridge (2) of any known and appropriate type is introduced.
  • the internal recess (3a) is in communication with lateral orifices (3b) disposed peripherally at the end of the shutter member (3), opposite its open end for the introduction of the cartridge.
  • these orifices (3b) are oversized, so that the sum of their section exceeds the nominal diameter of the internal recess (3a).
  • the projectile (P) consists of a cylindrical body (4) delimiting an internal volume (4a), intended to receive dispersing means (6), such as CS powder, shot, liquid -
  • a detonator subject to a retarder is mounted in a cylindrical housing (4b) formed coaxially at one end of the body (4).
  • the detonator - retarder assembly is arranged in coaxial alignment with the cartridge (2) - diffuser (3) assembly, to be ignited by the gases from said cartridge.
  • the cylindrical housing (4b) is formed coaxially with a bottom (4c) set back from the corresponding end of the cylindrical body (4).
  • the open end of the body (4) is closed by a cover (5). This cover has concentric grooves
  • the body (4) has longitudinal grooves (4d) formed according to its generatrices and shaped to constitute incipient fractures, in order to facilitate the bursting of the body under the effect of the action of the detonator.
  • the body (4) is introduced manually by the open end (1) of the case (1), being held there by moderate tightening.
  • Ammunition and projectile as defined and illustrated apply to any type of large caliber firearm, used in particular as a non-lethal defense weapon.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Emergency Lowering Means (AREA)
  • Powder Metallurgy (AREA)
  • Toys (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

La munition comprend un étui cylindrique (1) dont l'une des extrémités fermée présente coaxialement une chambre concentrique (1a) apte à recevoir un moyen de propulsion d'un projectile logé dans ledit étui. Le moyen de propulsion est constitué par une cartouche "à blanc" (2), logée dans un organe diffuseur (3), l'ensemble de la cartouche et de l'organe étant introduit dans la chambre coaxiale de l'étui.The ammunition comprises a cylindrical case (1), one of the closed ends of which coaxially has a concentric chamber (1a) capable of receiving means for propelling a projectile housed in said case. The propulsion means consists of a "blank" cartridge (2), housed in a diffuser member (3), the assembly of the cartridge and the member being introduced into the coaxial chamber of the case.

Description

Munition pour le lancement à basse pression de projectiles tirables dans des canons d'armes de gros calibres. Ammunition for the launching at low pressure of projectiles which can be fired into large caliber guns.
L'invention se rattache au secteur technique des munitions.The invention relates to the technical sector of ammunition.
On connaît des munitions d'armes à feu de gros calibres, conçues pour le tir de projectiles divers, généralement conformées pour éviter la pénétration à l'impact sur un individu, constituant ainsi des munitions non létales.Large caliber ammunition for firearms is known, designed for the firing of various projectiles, generally shaped to avoid penetration on impact on an individual, thus constituting non-lethal ammunition.
Les projectiles utilisés sont fragiles, de sorte qu'il n'est pas permis d'utiliser des systèmes de propulsion, nécessitant une pyrotechnie fonctionnant à haute pression. De tels projectiles doivent donc être tirés sous une faible pression.The projectiles used are fragile, so that it is not allowed to use propulsion systems, requiring pyrotechnics operating at high pressure. Such projectiles must therefore be fired under low pressure.
Dans ce but, il est possible d'utiliser de la poudre noire, qui permet d'avoir une plage de combustion vive et complète, sous une pression relativement basse. Toutefois, la poudre noire génère une fumée et des résidus importants.For this purpose, it is possible to use black powder, which makes it possible to have a lively and complete combustion range, under a relatively low pressure. However, the black powder generates significant smoke and residue.
Pour tenter de remédier à ces inconvénients, il a été proposé une munition comprenant un étui cylindrique dont une extrémité reçoit un projectile, tandis que l'autre extrémité présente une chambre concentrique recevant une cartouche de dimension réduite. La chambre a, sur la totalité de sa longueur, un diamètre interne constant et uniforme, correspondant à celui de la cartouche, pour éviter la montée à haute pression. La cartouche est chargée en poudre pyroxilée et reçoit une amorce surchagée en composition fulminante.In an attempt to remedy these drawbacks, ammunition has been proposed comprising a cylindrical case, one end of which receives a projectile, while the other end has a concentric chamber receiving a cartridge of reduced size. The chamber has, over its entire length, a constant and uniform internal diameter, corresponding to that of the cartridge, to avoid the rise at high pressure. The cartridge is loaded with pyroxilated powder and receives an overheated primer in fulminant composition.
Cet état de la technique ressort de l'enseignement du brevetThis state of the art is apparent from the teaching of the patent
FR 2630603.FR 2630603.
Cette solution apporte des avantages très importants mais ne donne pas entièrement satisfaction. En effet, la poudre n'est pas totalement brûlée et ne permet pas toujours une augmentation suffisante en pression.This solution brings very significant advantages but is not entirely satisfactory. Indeed, the powder is not totally burnt and does not always allow a sufficient increase in pressure.
L'invention s'est fixée pour but de remédier à ces 5 inconvénients, de manière simple, sûre, efficace et rationnelle.The object of the invention is to remedy these 5 drawbacks in a simple, safe, effective and rational manner.
Le problème que se propose de résoudre l'invention est de pouvoir augmenter la pression, afin de donner de la vitesse au projectileThe problem which the invention proposes to solve is to be able to increase the pressure, in order to give speed to the projectile
M Q sans pour autant l'abîmer. Notamment, le problème que se propose de résoudre l'invention, est d'augmenter la pression au niveau de la cartouche et non pas de la chambre recevant le projectile.M Q without damaging it. In particular, the problem which the invention proposes to solve is to increase the pressure at the level of the cartridge and not of the chamber receiving the projectile.
Pour résoudre un tel problème, il a été conçu et mis au point une munition comprenant un étui cylindrique dont l'une des extrémitésTo solve such a problem, it was designed and developed an ammunition comprising a cylindrical case of which one of the ends
15 fermée présente coaxialement une chambre concentrique apte à recevoir un moyen de propulsion d'un projectile logé dans ledit étui, le moyen de propulsion étant constitué par une cartouche "à blanc", logée dans un organe diffuseur, l'ensemble de la cartouche et de l'organe étant introduit15 closed coaxially has a concentric chamber capable of receiving a means of propelling a projectile housed in said case, the propulsion means consisting of a cartridge "blank", housed in a diffuser, the entire cartridge and of the organ being introduced
20 dans la chambre coaxiale de l'étui.20 in the coaxial chamber of the case.
L'organe diffuseur présente une chambre coaxiale dans laquelle est introduite la cartoucheThe diffuser member has a coaxial chamber into which the cartridge is introduced
2525
Pour résoudre le problème posé d'éviter toute montée en pression dans la chambre, la chambre de l'organe diffuseur est en communication avec des orifices latéraux surdimensionnés disposés en périphérie et dont la somme des sections dépasse le diamètre nominal de ladite chambre.To solve the problem posed of avoiding any pressure build-up in the chamber, the chamber of the diffusing member is in communication with oversized lateral orifices arranged at the periphery and the sum of the sections of which exceeds the nominal diameter of said chamber.
A partir de cette conception de base, la munition peut tirer tout type de projectile réalisée à partir de corps solides en matière souple, ou 35 composée d'enveloppes souples contenant un liquide.From this basic design, the ammunition can fire any type of projectile made from solid bodies of flexible material, or 35 composed of flexible envelopes containing a liquid.
Toutefois, de manière préférée, selon une autre caractéristique de l'invention, le projectile est constitué par un corps cylindrique délimitant un volume interne apte à recevoir des moyens "disperseurs" susceptibles d'être libérés sous l'effet de destruction dudit corps, en combinaison avec un détonateur assujetti à un retardateur.However, preferably, according to another characteristic of the invention, the projectile is constituted by a cylindrical body delimiting an internal volume capable of receiving "disperser" means capable of being released under the effect of destruction of said body, combination with a detonator subject to a retarder.
Le détonateur est monté dans un logement cylindrique formé coaxialement à l'une des extrémités du corps pour être allumé par les gaz de l'ensemble cartouche - diffuseur.The detonator is mounted in a cylindrical housing formed coaxially at one of the ends of the body to be ignited by the gases of the cartridge - diffuser assembly.
Pour résoudre le problème posé de maintenir les moyens disperseurs à l'intérieur du coprs, l'extrémité du corps opposée à celle recevant le détonateur est obturée par un couvercleTo solve the problem of maintaining the dispersing means inside the body, the end of the body opposite to that receiving the detonator is closed by a cover.
Pour résoudre le problème posé de limiter la déviation de la trajectoir du projectile sous l'effet de la poussée de l'air, le couvercle présente des rainures concentriques et un évidement central non débouchant.To solve the problem posed of limiting the deviation of the trajectory of the projectile under the effect of the air thrust, the cover has concentric grooves and a non-opening central recess.
Pour résoudre le problème posé de favoriser l'éclatement du corps, ce dernier présente des agencements constitués par des rainures formées selon les génératrices du corps.To solve the problem of promoting the bursting of the body, the latter has arrangements formed by grooves formed according to the generatrices of the body.
Avantageusement, les moyens disperseurs sont constitués par de la poudre de CS, de la grenaille de fer, du liquide.Advantageously, the dispersing means consist of CS powder, iron shot, liquid.
L'invention est exposée, ci-après plus en détail à l'aide des dessins annexés, dans lesquels : La figure 1 est une vue en coupe montrant avant montage, fes principaux éléments constitutifs de la cartouche.The invention is set out below in more detail using the appended drawings, in which: Figure 1 is a sectional view showing before assembly, the main components of the cartridge.
La figure 2 est une vue correspondant à la figure 1 après montage des différents éléments.Figure 2 is a view corresponding to Figure 1 after mounting of the various elements.
La figure 3 est une vue en coupe transversale considérée selon la ligne 3.3 de la figure 2.Figure 3 is a cross-sectional view taken along line 3.3 of Figure 2.
La figure 4 est une vue en coupe longitudinale avant montage des principaux éléments du projectile.Figure 4 is a longitudinal sectional view before mounting of the main elements of the projectile.
La figure 5 est une vue correspondant à la figure 4 après montage des principaux éléments du projectile.Figure 5 is a view corresponding to Figure 4 after mounting of the main elements of the projectile.
La figure 6 est une vue en coupe transversale considérée selon la ligne 6.6 de la figure 5.Figure 6 is a cross-sectional view taken along line 6.6 of Figure 5.
La figure 7 est une vue en plan correspondant à la figureFigure 7 is a plan view corresponding to Figure
5.5.
La figure 8 est une vue montrant le projectile dans la munition.Figure 8 is a view showing the projectile in the ammunition.
Comme le montre la figure 1 , la munition comprend un étui cylindrique (1) en matière plastique souple, non fragile aux basses températures notamment. L'une des extrémités de l'étui (1) est fermée et présente coaxialement une chambre concentrique (1a) apte à recevoir un moyen de propulsion d'un projectile (P). Le projectile (P) est logé dans l'étui (1), après son introduction par l'ouverture (1b). La chambre (1a) a, sur la totalité de sa longueur, un diamètre constant et uniforme.As shown in Figure 1, the ammunition comprises a cylindrical case (1) of flexible plastic material, not fragile at low temperatures in particular. One end of the case (1) is closed and has a concentric chamber (1a) coaxially adapted to receive a means for propelling a projectile (P). The projectile (P) is housed in the case (1), after its introduction through the opening (1b). The chamber (1a) has, over its entire length, a constant and uniform diameter.
Selon l'invention, le moyen de propulsion comprend une cartouche à blanc (2) logée dans un organe diffuseur (3). L'ensemble de la cartouche (2) et du diffuseur (3) est introduit dans la chambre coaxiale (1a) de l'étui. L'organe diffuseur (3) présente un chambrage interne (3a) dans lequel est introduite la cartouche à blanc (2) de tout type connu et approprié. Le chambrage interne (3a) est en communication avec des orifices latéraux (3b) disposés périphériquement en bout de l'organe obturateur (3), à l'opposé de son extrémité ouverte pour l'introduction de la cartouche.According to the invention, the propulsion means comprises a blank cartridge (2) housed in a diffuser member (3). The assembly of the cartridge (2) and the diffuser (3) is introduced into the coaxial chamber (1a) from the case. The diffuser member (3) has an internal recess (3a) into which the blank cartridge (2) of any known and appropriate type is introduced. The internal recess (3a) is in communication with lateral orifices (3b) disposed peripherally at the end of the shutter member (3), opposite its open end for the introduction of the cartridge.
De manière importante, ces orifices (3b) sont surdimensionnés, de sorte que la somme de leur section dépasse le diamètre nominal du chambrage interne (3a).Importantly, these orifices (3b) are oversized, so that the sum of their section exceeds the nominal diameter of the internal recess (3a).
Ces dispositions ne permettent aucune montée en pression dans la chambre (3a) mais seulement au niveau de la cartouche (2).These provisions do not allow any rise in pressure in the chamber (3a) but only at the level of the cartridge (2).
Suivant une autre caractéristique, le projectile (P) est constitué par un corps cylindrique (4) délimitant un volume interne (4a), destiné à recevoir des moyens disperseurs (6), tels que poudre de CS, grenaille, liquide- Un détonateur assujetti à un retardateur est monté dans un logement cylindrique (4b) formé coaxialement à l'une des extrémités du corps (4). Après introduction du corps (4) dans l'étui (1), l'ensemble détonateur - retardateur est disposé en alignement coaxial avec l'ensemble cartouche (2) - diffuseur (3), pour être allumé par les gaz de ladite cartouche. Le logement cylindrique (4b) est formé coaxialement à un fond (4c) disposé en retrait de l'extrémité correspondante du corps cylindrique (4). A l'opposé, l'extrémité ouverte du corps (4) est obturée par un couvercle (5). Ce couvercle présente des rainures concentriquesAccording to another characteristic, the projectile (P) consists of a cylindrical body (4) delimiting an internal volume (4a), intended to receive dispersing means (6), such as CS powder, shot, liquid - A detonator subject to a retarder is mounted in a cylindrical housing (4b) formed coaxially at one end of the body (4). After introduction of the body (4) into the case (1), the detonator - retarder assembly is arranged in coaxial alignment with the cartridge (2) - diffuser (3) assembly, to be ignited by the gases from said cartridge. The cylindrical housing (4b) is formed coaxially with a bottom (4c) set back from the corresponding end of the cylindrical body (4). In contrast, the open end of the body (4) is closed by a cover (5). This cover has concentric grooves
(5a) et un évidement central (5b), non débouchant. Le corps (4) présente des rainures longitudinales (4d) formées selon ses génératrices et conformées pour constituer des amorces de rupture, afin de faciliter l'éclatement du corps sous l'effet de l'action du détonateur.(5a) and a central recess (5b), not opening. The body (4) has longitudinal grooves (4d) formed according to its generatrices and shaped to constitute incipient fractures, in order to facilitate the bursting of the body under the effect of the action of the detonator.
Le corps (4) est introduit manuellement par l'extrémité ouverte (1 ) de l'étui (1), en y étant maintenu par un serrage modéré.The body (4) is introduced manually by the open end (1) of the case (1), being held there by moderate tightening.
La munition et le projectile tels que définis et illustrés, s'appliquent atout type d'arme à feu de gros calibre, utilisés notamment en tant qu'arme de défense non létale.Ammunition and projectile as defined and illustrated apply to any type of large caliber firearm, used in particular as a non-lethal defense weapon.
Les avantages ressortent bien de la description, en particulier _ on souligne et on rappelleThe advantages are apparent from the description, in particular _ it is emphasized and recalled
- la cartouche à blanc, en combinaison avec le diffuseur, permet d'augmenter la pression et par conséquent, d'augmenter la vitesse du projectile, sans pour autant l'abîmer, 5- the blank cartridge, in combination with the diffuser, increases the pressure and therefore increases the speed of the projectile, without damaging it, 5
- aucune montée en pression dans la chambre, les gaz étant diffusés par les orifices.- no pressure build-up in the chamber, the gases being diffused through the orifices.
00
55
00
5 5

Claims

R EV E N D I C AT I O N S R EV E N D I C AT I O N S
-1- Munition pour le lancement à basse pression de projectiles tirables dans des canons d'armes de gros calibres, comprenant un étui cylindrique (1) dont l'une des extrémités fermée présente coaxialement une chambre concentrique (1a) apte à recevoir un moyen de propulsion d'un projectile (P) logé dans ledit étui, caractérisée en ce que le moyen de propulsion est constitué par une cartouche "à blanc" (2), logée dans un organe diffuseur (3), l'ensemble de la cartouche et de l'organe étant introduit dans la chambre coaxiale de l'étui.-1- Ammunition for the launching at low pressure of projectiles capable of being fired in large caliber guns, comprising a cylindrical case (1) of which one of the closed ends coaxially has a concentric chamber (1a) capable of receiving a means for propelling a projectile (P) housed in said case, characterized in that the propulsion means consists of a "blank" cartridge (2), housed in a diffusing member (3), the entire cartridge and of the member being introduced into the coaxial chamber of the case.
-2- Munition selon la revendication 1 , caractérisée en ce que l'organe diffuseur (3) présente une chambre coaxiale (3a) dans laquelle est introduite la cartouche (2).-2- Ammunition according to claim 1, characterized in that the diffuser member (3) has a coaxial chamber (3a) into which the cartridge (2) is introduced.
-3- Munition selon la revendication 2, caractérisée en ce que la chambre (3a) est en communication avec des orifices latéraux (3b) surdimensionnés disposés en périphérie et dont la somme des section dépasse le diamètre nominal de ladite chambre.-3- Ammunition according to claim 2, characterized in that the chamber (3a) is in communication with lateral orifices (3b) oversized arranged at the periphery and whose sum of sections exceeds the nominal diameter of said chamber.
-4- Munition selon la revendication 1 , caractérisée en ce que le projectile est constitué par un corps cylindrique (4) délimitant un volume interne (4a) apte à recevoir des moyens "disperseurs" (6) susceptibles d'être libérés sous l'effet de destruction dudit corps, en combinaison avec un détonateur assujetti à un retardateur.-4- Ammunition according to claim 1, characterized in that the projectile is constituted by a cylindrical body (4) defining an internal volume (4a) capable of receiving means "dispersers" (6) capable of being released under the effect of destruction of said body, in combination with a detonator subject to a retarder.
-5- Munition selon la revendication 4, caractérisée en ce que le détonateur est monté dans un logement cylindrique (4b) formé coaxialement à l'une des extrémités du corps (4) pour être allumé par les gaz de l'ensemble cartouche (2) - diffuseur (3). -6- Munition selon la revendication 5, caractérisée en ce que l'extrémité du corps (4) opposée à celle recevant le détonateur, est obturée par un couvercle (5).-5- Ammunition according to claim 4, characterized in that the detonator is mounted in a cylindrical housing (4b) formed coaxially at one end of the body (4) to be ignited by the gases of the cartridge assembly (2 ) - diffuser (3). -6- Ammunition according to claim 5, characterized in that the end of the body (4) opposite to that receiving the detonator, is closed by a cover (5).
-7- Munition selon la revendication 6, caractérisée en ce que le couvercle (5) présente des rainures concentriques (5a) et un évidement central non débouchant (5b).-7- Ammunition according to claim 6, characterized in that the cover (5) has concentric grooves (5a) and a non-opening central recess (5b).
-8- Munition selon la revendication 4, caractérisée en ce que le corps (4) présente des agencements pour faciliter son éclatement sous l'effet de l'action du détonateur.-8- Ammunition according to claim 4, characterized in that the body (4) has arrangements to facilitate its bursting under the effect of the action of the detonator.
-9- Munition selon la revendication 8, caractérisée en ce que les agencements sont constitués par des rainures (4d) formées selon les génératrices du corps (4).-9- Ammunition according to claim 8, characterized in that the arrangements consist of grooves (4d) formed according to the generatrices of the body (4).
-10- Munition selon la revendication 4, caractérisée en ce que les moyens disperseurs (6) sont constitués par de la poudre de CS, de la grenaille de fer, du liquide. -10- Ammunition according to claim 4, characterized in that the dispersing means (6) consist of CS powder, iron shot, liquid.
EP93910119A 1992-05-15 1993-05-13 Ammunition for low pressure launching of projectiles capable of being fired from large calibre guns Withdrawn EP0594823A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9206092 1992-05-15
FR9206092A FR2691244B1 (en) 1992-05-15 1992-05-15 LARGE CALIBER OVERLOCKING DOUBLE-LAYER CANNON FIREARMS WITH 3RD STRIPE CANON.
PCT/FR1993/000466 WO1993023717A1 (en) 1992-05-15 1993-05-13 Ammunition for low pressure launching of projectiles capable of being fired from large calibre guns

Publications (1)

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EP0594823A1 true EP0594823A1 (en) 1994-05-04

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EP93910119A Withdrawn EP0594823A1 (en) 1992-05-15 1993-05-13 Ammunition for low pressure launching of projectiles capable of being fired from large calibre guns

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US (1) US5402729A (en)
EP (1) EP0594823A1 (en)
FR (1) FR2691244B1 (en)
WO (1) WO1993023717A1 (en)

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Also Published As

Publication number Publication date
FR2691244B1 (en) 1994-07-08
US5402729A (en) 1995-04-04
WO1993023717A1 (en) 1993-11-25
FR2691244A1 (en) 1993-11-19

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