EP0486077B1 - Rifle grenade - Google Patents
Rifle grenade Download PDFInfo
- Publication number
- EP0486077B1 EP0486077B1 EP91202757A EP91202757A EP0486077B1 EP 0486077 B1 EP0486077 B1 EP 0486077B1 EP 91202757 A EP91202757 A EP 91202757A EP 91202757 A EP91202757 A EP 91202757A EP 0486077 B1 EP0486077 B1 EP 0486077B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- projectile
- bullet
- bullet passage
- cavity
- 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.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
- F42B30/04—Rifle grenades
- F42B30/06—Bullet traps or bullet decelerators therefor
Definitions
- the invention relates to a projectile comprising a bullet pass, this projectile being of the type comprising a head 1 extended by a tubular tail, said head being traversed by an axial bore opening into the tubular tail, this bullet pass being mounted in a chamber. in the rear part of said axial bore, respectively the rear part of a sleeve extending said axial bore, a make-up charge surrounding the pass-through.
- Known projectiles of this type are generally provided with a head containing an explosive charge, this head being extended by the tubular tail which can be threaded onto the barrel of a rifle.
- the ball pass can be easily crossed by bullet and closes after the passage of the ball to prevent any passage to propellant gases.
- a projectile of the kind specified above is described in US-A-4,846,070 (cf. the preamble of claim 1).
- the make-up charge is located in the chamber, around the end of the pass-away from the bottom of the chamber. For safety reasons in the storage position, this end and the load extra are covered by a disc which at the same time closes the room and which is destroyed during launch.
- the invention relates to a ball pass for carrying out such a make-up charge.
- the booster charge is housed in a cavity which surrounds the chamber, the bullet pass being, in the projectile storage position, in said chamber at a distance from the bottom of this chamber and completely closing the above-mentioned cavity.
- the thickness of the pass-through being slightly greater than the width of the cavity, the distance, the thickness and the aforementioned width being measured in a direction parallel to the longitudinal axis of the projectile, the distance between the pass-through and the bottom 14 of the chamber being such that the ball pass is movable in the chamber, under the action of the ball, between the aforementioned storage position and a position against the bottom of the chamber, position in which the pass bullet leaves partially open the aforementioned cavity.
- BE-A-804,791 describes a device for launching a grenade using a rifle, this device comprising a bullet trap formed by a mass of steel in a chamber at the front end of the casing tube extending the body of the grenade. This mass is retained by a copper washer at a distance from the bottom of this chamber and is surrounded by a make-up charge.
- Figure 1 a projectile comprising a head 1 and a telescopic tail 2 with empennage 3.
- the tail 2 is made in two parts, in particular a part 4 secured to the head 1 and a part 5 which can slide along from part 4.
- the head 1 is fixed on the front end of a sheath 6 around which is provided a body 7 constituting the explosive charge of the projectile, the rear end of said sheath 6 being provided with a sleeve 8 by which said part 4 can be immobilized in said part 5 while waiting for the passage of the ball.
- the rear end of the sleeve 8 is closed off by a bullet stopper 11 around which an auxiliary load 12 is placed.
- the bullet stopper 11 When it is assembled, the bullet stopper 11 is compressed in the chamber 13 so that, on the one hand, it is held in place without other means than the pressure which it exerts on the wall of the chamber 13 and that , on the other hand, it provides a perfect seal, the ball pass can not be moved in the chamber 13 by a very considerable force, for example the force exerted on the pass ball by a launching ball.
- the ball pass 11 is housed in the chamber 13 at a distance D from the bottom 14, the thickness E of said ball pass 11 being greater than the length L of said make-up load 12, of such a way that this make-up charge is completely enclosed in the circular cavity 15 by the bullet holder 11 itself.
- the pass-through 11 will advantageously be made of a flexible material, respectively elastic, natural or synthetic, preferably with a hardness of between approximately 30 Shore A and approximately 70 Shore D.
- the movable ball pass according to the invention will be moved forward, in contact with the ball 16 with the ball pass 11 so as to release, even before the total penetration of the bale 16 through the ball pass 11, the make-up load 12 so that the effect of the deflagration of the make-up load 12 is added to the effect of the combustion gases of the ordinary cartridge used to launch the projectile by means of the bullet 16.
- the thickness E of the pass-through 11 is slightly greater than the width L of the cavity 15 enclosing the make-up charge 12, while, in order to be able to release this charge make-up after moving the ball pass 11 forwards, the distance D between the ball pass 11 and the bottom 14 of the chamber 13 is greater than half the difference between the thickness E of the ball pass 11 and the width L of the cavity 15.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Toys (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
L'invention concerne un projectile comportant un passe-balle, ce projectile étant du type comportant une tête 1 prolongée par une queue tubulaire, ladite tête étant traversée par un alésage axial débouchant dans la queue tubulaire, ce passe-balle étant monté dans une chambre dans la partie arrière dudit alésage axial, respectivement la partie arrière d'un manchon prolongant ledit alésage axial, une charge d'appoint entourant le passe-balle.The invention relates to a projectile comprising a bullet pass, this projectile being of the type comprising a head 1 extended by a tubular tail, said head being traversed by an axial bore opening into the tubular tail, this bullet pass being mounted in a chamber. in the rear part of said axial bore, respectively the rear part of a sleeve extending said axial bore, a make-up charge surrounding the pass-through.
Des projectiles connus de ce type sont généralement pourvus d'une tête contenant une charge explosive, cette tête étant prolongée par la queue tubulaire pouvant être enfilée sur le canon d'un fusil.Known projectiles of this type are generally provided with a head containing an explosive charge, this head being extended by the tubular tail which can be threaded onto the barrel of a rifle.
Le passe-balle peut être aisément traverse par balle et se referme après le passage de la balle afin d'interdire tout passage aux gaz propulsifs.The ball pass can be easily crossed by bullet and closes after the passage of the ball to prevent any passage to propellant gases.
Nonobstant que les gaz propulsifs produits par l'allumage de la cartouche provoquent le lancement dudit projectile ou grenade en exercant une force adéquate sur le passe-balle fermé après le passage de la balle, il s'est avéré plus efficace de prévoir une charge d'appoint pouvant s'ajouter à l'effet des gaz propulsifs susmentionnés afin de résulter dans une force plus considérable sur le passe-balle, plus spécialement une force de lancement plus grande.Notwithstanding that the propellant gases produced by the ignition of the cartridge cause the launching of said projectile or grenade by exerting an adequate force on the closed ball pass after the passage of the ball, it has proved more effective to provide a charge of 'booster can be added to the effect of the aforementioned propellants in order to result in a greater force on the ball pass, more especially a greater launch force.
Un projectile du genre spécifié ci-devant est décrit dans US-A-4.846.070 (cf. le préambule de la revendication 1). La charge d'appoint est située dans la chambre, autour de l'extrémité du passe-balle éloignée du fond de la chambre. Pour des raisons de sécurité en position de stockage, cette extrémité et la charge d'appoint sont couvertes par un disque qui ferme en même temps la chambre et qui est détruit lors du lancement.A projectile of the kind specified above is described in US-A-4,846,070 (cf. the preamble of claim 1). The make-up charge is located in the chamber, around the end of the pass-away from the bottom of the chamber. For safety reasons in the storage position, this end and the load extra are covered by a disc which at the same time closes the room and which is destroyed during launch.
L'invention concerne un passe-balle permettant de réaliser une telle charge d'appoint.The invention relates to a ball pass for carrying out such a make-up charge.
A cet effet la charge d'appoint est logée dans une cavité qui entoure la chambre, le passe-balle se trouvant, dans la position du stockage du projectile, dans ladite chambre à une distance du fond de cette chambre et fermant complètement la cavité susdite, l'épaisseur du passe-balle étant légèrement plus grande que la largeur de la cavité, la distance, l'épaisseur et la largeur susdites étant mesurées selon une direction parallèle à l'axe longitudinal du projectile, la distance entre le passe-balle et le fond 14 de la chambre étant telle que le passe-balle soit déplaçable dans la chambre, sous l'action de la balle, entre la position de stockage susdite et une position contre le fond de la chambre, position dans laquelle le passe-balle laisse partiellement ouverte la cavité susdite.For this purpose the booster charge is housed in a cavity which surrounds the chamber, the bullet pass being, in the projectile storage position, in said chamber at a distance from the bottom of this chamber and completely closing the above-mentioned cavity. , the thickness of the pass-through being slightly greater than the width of the cavity, the distance, the thickness and the aforementioned width being measured in a direction parallel to the longitudinal axis of the projectile, the distance between the pass-through and the
BE-A-804.791 décrit un dispositif à lancement pour grenade à l'aide d'un fusil, ce dispositif comprenant un piège à balles formé par une masse d'acier dans une chambre à l'extrémité avant du tube douille prolongeant le corps de la grenade. Cette masse est retenue par une rondelle de cuivre à une distance du fond de cette chambre et est entourée par une charge d'appoint.BE-A-804,791 describes a device for launching a grenade using a rifle, this device comprising a bullet trap formed by a mass of steel in a chamber at the front end of the casing tube extending the body of the grenade. This mass is retained by a copper washer at a distance from the bottom of this chamber and is surrounded by a make-up charge.
Non seulement il s'agit d'un piège à balles et non pas d'un passe-balle, mais en plus la masse d'acier du piège à balles n'enferme jamais complètement la charge d'appoint. Un disque de papier est utilisé pour couvrir complètement cette charge d'appoint du côté arrière. En plus la rondelle de cuivre sert à absorber le choc lors de l'impact de la balle mais empêche la masse susdite d'atteindre le fond de la chambre.Not only is it a bullet trap and not a ball pass, but in addition the mass of steel of the bullet trap never completely encloses the make-up charge. A paper disc is used to completely cover this make-up load on the rear side. In addition to the washer of copper is used to absorb the shock during the impact of the bullet but prevents the above-mentioned mass from reaching the bottom of the chamber.
Afin de mieux faire ressortir les caractéristiques et avantages de l'invention, un exemple de mise en oeuvre de cette dernière est décrit plus en détail ci-après avec référence aux dessins illustratifs annexés dans lesquels:
- la figure 1 représente en coupe longitudinale schématique un projectile, plus spécialement une grenade, appliquant un passe-balle selon l'invention;
- le figure 2 représente à échelle agrandie la partie indiquée par F2 dans le figure 1;
- la figure 3 représente une vue semblable à celle de la figure 2, le passe-balle se trouvant dans une deuxième position.
- FIG. 1 represents in schematic longitudinal section a projectile, more particularly a grenade, applying a bullet pass according to the invention;
- Figure 2 shows on an enlarged scale the part indicated by F2 in Figure 1;
- Figure 3 shows a view similar to that of Figure 2, the pass-through being in a second position.
Dans la figure 1 est représenté un projectile comportant une tête 1 et une queue téléscopique 2 avec empennage 3. Dans cette exécution la queue 2 est réalisée en deux parties, notamment une partie 4 solidaire de la tête 1 et une partie 5 pouvant coulisser le long de la partie 4.In Figure 1 is shown a projectile comprising a head 1 and a telescopic tail 2 with
La tête 1 est fixée sur l'extrémité antérieure d'un fourreau 6 autour duquel est prévu un corps 7 constituant la charge explosive du projectile, l'extrémité postérieure dudit fourreau 6 étant pourvue d'un manchon 8 par lequel ladite partie 4 peut être immobilisée à ladite partie 5 en attendant le passage de la balle.The head 1 is fixed on the front end of a sheath 6 around which is provided a
L'extrémité arrière du manchon 8 est obturée par un bouchon passe-balle 11 autour de laquelle est disposée une charge d'appoint 12.The rear end of the
Lors de son montage, le bouchon passe-balle 11 est comprimé dans la chambre 13 de sorte que, d'une part, il est maintenu en place sans autres moyens que la pression qu'il exerce sur la paroi de la chambre 13 et que, d'autre part, il assure une étanchéité parfaite, le passe-balle ne pouvant être déplacé dans la chambre 13 que par une force très considérable, par exemple la force exercée sur le passe-balle par une balle de lancement.When it is assembled, the
Selon l'invention le passe-balle 11 est logé dans la chambre 13 à une distance D du fond 14, l'épaisseur E dudit passe-balle 11 étant supérieure à la longueur L de ladite charge d'appoint 12, d'une telle manière que cette charge d'appoint est totalement enfermée dans la cavité circulaire 15 par le passe-balle 11 lui-même.According to the invention the
Le passe-balle 11 sera avantageusement réalisé en une matière souple, respectivement élastique, naturelle ou synthétique, de préférence avec une dureté comprise entre environ 30 Shore A et environ 70 Shore D.The pass-through 11 will advantageously be made of a flexible material, respectively elastic, natural or synthetic, preferably with a hardness of between approximately 30 Shore A and approximately 70 Shore D.
Il a effectivement été constaté que le passage d'une balle à travers d'un tel passe-balle n'entraîne pratiquement aucune disparition de matière, que ce soit par arrachage ou par fusion, respectivement combustion, ceci à condition de conformer ledit passe-balle de sorte qu'il puisse se dilater suffisamment durant le passage de la balle. En outre, il est souhaitable que cette dilatation n'entraîne aucune déformation appréciable de la paroi délimitant l'alésage dans lequel est disposé le passe-balle.It has actually been observed that the passage of a bale through such a bale pass practically does not cause any disappearance of material, either by tearing off or by fusion, respectively combustion, this on condition of conforming said pass ball so that it can expand sufficiently during the passage of the ball. In addition, it is desirable that this expansion does not cause any appreciable deformation of the wall delimiting the bore in which the ball pass is arranged.
Comme il a été représenté dans la figure 3, le passe-balle mobile selon l'invention sera déplacé vers l'avant, au contact de la balle 16 avec le passe-balle 11 afin de libérer ainsi, même avant la pénétration totale de la balle 16 au travers du passe-balle 11, la charge d'appoint 12 de manière à ce que l'effet de la déflagration de la charge d'appoint 12 vienne s'ajouter à l'effet des gaz de combustion de la cartouche ordinaire employée pour lancer le projectile au moyen de la balle 16.As shown in Figure 3, the movable ball pass according to the invention will be moved forward, in contact with the
Afin de pouvoir enfermer la charge d'appoint 12 l'épaisseur E du passe-balle 11 est légèrement plus grande que la largeur L de la cavité 15 enfermant la charge d'appoint 12, tandis que, afin de pouvoir libérer cette charge d'appoint après un déplacement du passe-balle 11 vers l'avant, la distance D entre le passe-balle 11 et le fond 14 de la chambre 13 est plus grande que la moitié de la différence entre l'épaisseur E du passe-balle 11 et la largeur L de la cavité 15.In order to be able to enclose the make-
Claims (4)
- Projectile with a bullet passage (11), whereby the projectile is of the type containing a head (1) extended by a tubular tail (2), whereby said head (2) has an axial bore which ends in the tubular tail (2), whereby the bullet passage (11) is mounted in a chamber (13) in the rear part of said axial bore, in the rear part of a sleeve (8) extending said axial bore respectively, and whereby an auxiliary charge (12) surrounds the bullet passage (11), characterized in that the auxiliary charge (12) is situated in a cavity (15) around the chamber (13), whereby the bullet passage (11) is situated, when the projectile is in rest position, in said chamber (13) at a distance (D) from the back (14) of this chamber (13) and whereby it completely closes off said cavity (15), the thickness (E) of the bullet passage (11) being slightly larger than the width (L) of the cavity (15), the above-mentioned distance (D), thickness (E) and width (L) being measured according to a direction parallel to the longitudinal axis of the projectile, whereby the distance (D) between the bullet passage (11) and the back (14) of the chamber (13) is such that the bullet passage (11) can be moved in the chamber (13) as a result of the effect of the bullet, between the above-mentioned rest position and a position against the back (14) of the chamber (13), a position in which the bullet passage (11) leaves said cavity (15) partially open.
- Projectile according to the preceding claim, characterized in that the distance (D) between the bullet passage (11) and the back (14) of the chamber is larger than half of the difference between the thickness (E) of the bullet passage (11) and the width (L) of the cavity (15).
- Projectile according to any of the preceding claims, characterized in that the bullet passage (11) is made of a material with a hardness between 30 Shore A and 70 Shore D.
- Projectile according to any of the preceding claims, characterized in that the bullet passage (11) is fixed in the chamber (13) as a result of the elastic effect on the wall of said chamber (13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9001073A BE1003971A3 (en) | 1990-11-14 | 1990-11-14 | Improvements shooting. |
BE9001073 | 1990-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0486077A1 EP0486077A1 (en) | 1992-05-20 |
EP0486077B1 true EP0486077B1 (en) | 1994-12-28 |
Family
ID=3885011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91202757A Expired - Lifetime EP0486077B1 (en) | 1990-11-14 | 1991-10-24 | Rifle grenade |
Country Status (8)
Country | Link |
---|---|
US (1) | US5153374A (en) |
EP (1) | EP0486077B1 (en) |
JP (1) | JPH06347200A (en) |
BE (1) | BE1003971A3 (en) |
DE (2) | DE486077T1 (en) |
ES (1) | ES2033637T3 (en) |
IL (1) | IL99635A (en) |
YU (1) | YU47928B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2685468B1 (en) * | 1991-12-24 | 1995-04-28 | Luchaire Defense Sa | SOCKET TUBE FOR RIFLE WITH RIFLE THAT CAN RETAIN BALL FRAGMENTS. |
KR101566160B1 (en) * | 2013-08-23 | 2015-11-05 | 주식회사 한화 | Rifle grenade using bullet trap |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU51960A1 (en) * | 1966-09-14 | 1968-03-20 | ||
US3537398A (en) * | 1967-12-28 | 1970-11-03 | Andre Dauban | Rifle grenade |
BE804791A (en) * | 1973-09-13 | 1974-01-02 | Herstal Sa | GRENADE LAUNCHING DEVICE |
DE2554049A1 (en) * | 1975-12-02 | 1977-06-08 | Messerschmitt Boelkow Blohm | Rifle projectile with hollow shaft - has through bore for passage of bullet and closure valve for gases |
BE880349A (en) * | 1979-11-30 | 1980-05-30 | Herstal Sa | SHOTGUN GRENADE |
BE885618R (en) * | 1979-11-30 | 1981-04-10 | Herstal Sa | TELESCOPIC PROJECTILE |
BE905563A (en) * | 1986-10-07 | 1987-04-07 | Herstal Sa | TELESCOPIC GRENADE. |
FR2605399B1 (en) * | 1986-10-17 | 1989-01-27 | Luchaire Sa | SHOTGUN GRENADE |
-
1990
- 1990-11-14 BE BE9001073A patent/BE1003971A3/en not_active IP Right Cessation
-
1991
- 1991-09-26 US US07/765,947 patent/US5153374A/en not_active Expired - Fee Related
- 1991-10-02 IL IL9963591A patent/IL99635A/en not_active IP Right Cessation
- 1991-10-03 YU YU162191A patent/YU47928B/en unknown
- 1991-10-24 ES ES91202757T patent/ES2033637T3/en not_active Expired - Fee Related
- 1991-10-24 DE DE199191202757T patent/DE486077T1/en active Pending
- 1991-10-24 DE DE69106322T patent/DE69106322T2/en not_active Expired - Fee Related
- 1991-10-24 EP EP91202757A patent/EP0486077B1/en not_active Expired - Lifetime
- 1991-11-11 JP JP3294611A patent/JPH06347200A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
IL99635A0 (en) | 1992-08-18 |
EP0486077A1 (en) | 1992-05-20 |
DE69106322T2 (en) | 1995-05-18 |
ES2033637T3 (en) | 1995-02-16 |
BE1003971A3 (en) | 1992-07-28 |
ES2033637T1 (en) | 1993-04-01 |
US5153374A (en) | 1992-10-06 |
JPH06347200A (en) | 1994-12-20 |
YU162191A (en) | 1995-03-27 |
YU47928B (en) | 1996-05-20 |
DE486077T1 (en) | 1993-02-04 |
DE69106322D1 (en) | 1995-02-09 |
IL99635A (en) | 1994-01-25 |
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