EP0811823B1 - Projectile explosif - Google Patents
Projectile explosif Download PDFInfo
- Publication number
- EP0811823B1 EP0811823B1 EP19970401221 EP97401221A EP0811823B1 EP 0811823 B1 EP0811823 B1 EP 0811823B1 EP 19970401221 EP19970401221 EP 19970401221 EP 97401221 A EP97401221 A EP 97401221A EP 0811823 B1 EP0811823 B1 EP 0811823B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- projectile
- explosive
- sub
- assemblies
- active material
- 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
Links
Images
Classifications
-
- 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
- F42B12/48—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 smoke-producing, e.g. infrared clouds
-
- 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
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
- F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
- F42B12/24—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction with grooves, recesses or other wall weakenings
-
- 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
- F42B12/44—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 of incendiary type
Definitions
- the invention relates to an explosive projectile. suitable for spraying active material.
- the active ingredient can be made up of a material generating splinters, by example a prefragmented wall or envelope, a incendiary or smoke-producing material.
- the explosive charge and the active ingredient are arranged concentrically with respect to the longitudinal axis of the projectile.
- This arrangement allows a projectile to even small caliber to carry a significant amount explosive charge and active material, this quantity being proportional to the useful length of the projectile.
- This classic projectile presents the main disadvantage that the active ingredient found projected radially in all directions around the axis of the projectile, so that a weak some of this active ingredient is actually useful against a point target.
- a projectile of the aforementioned type comprising envelope flattening means arranged substantially on the periphery thereof and covering at minus an angularly limited sector compared to the axis, as well as means for detecting the direction of a target relative to the axis associated with flattening means for provoking so selective flattening of the envelope and the load substantially opposite said target.
- the flattening of the envelope and the load has the effect to ensure the projection of the fragments of the flattened area of the envelope in a direction substantially perpendicular to this flattening, which ensures the desired concentration of fragments towards the target.
- This structure allows increase the useful part of the active ingredient compared to a conventional explosive projectile, but this active part still only represents a small proportion of the active part carried by the projectile.
- Patent US4798143 describes a projectile for dispersing an active ingredient behind a wall of aircraft. This projectile has a point which ensures the piercing of the wall and which plays the role of diffuser of the active ingredient. It also has deployable flaps. These flaps are supported on the wall and are intended to stop the complete penetration of the projectile through Wall. If this projectile allows to diffuse a matter active, it can only broadcast it in one direction and behind a wall and not on a trajectory.
- the object of the present invention is to remedy to the disadvantages of known explosive projectiles, and propose an explosive projectile of the aforementioned type capable to carry significant respective amounts of load explosive and active material compared to the caliber of said projectile, while also being able to project the active ingredient substantially in a single direction.
- the explosive projectile targeted by the invention is a explosive projectile of the aforementioned type containing means for concentrate at least part of the active ingredient in direction of a target during the explosion of said charge explosive.
- this projectile is characterized in that the explosive charge and the material active are arranged in mounted sub-assemblies each on a support, each support being mounted movable relative to the body of the projectile, and what said projectile has means for doing pass each subset from retracted position to inside the projectile in a position deployed by relative to the body of the projectile, the deployed positions respective of the various subsets being predetermined in such a way that during the explosion explosive charge, the active ingredient in the various sub-assemblies is projected substantially in the same direction.
- An explosive projectile is thus obtained in which the explosive charge and the active material can be arranged over the effective length of the projectile and thus represent significant quantities compared the caliber of said projectile.
- These large quantities explosive charge and active ingredient can be used extremely effectively against a target as soon as this target is in the direction in which the active material is projected contained in the various subsets.
- each subset is made substantially in the form of a cylindrical sector pivotally mounted so as to pivot radially outward relative to the body of the projectile.
- Each sector-shaped subset can thus have a length in the direction of the axis of the projectile equal to the useful dimension of the latter, this which allows to project, according to the chosen direction, a maximum amount of active ingredient, taking into account the diameter of the projectile.
- the cylindrical sector sub-assemblies are identical, are distributed regularly around the axis of the projectile, and are adapted to pivot about 90 degrees from the body of the projectile. We can thus achieve a significant concentration of the active material projected substantially in the direction of the projectile axis.
- the explosive projectile features a programmable rocket comprising means for controlling or prohibiting the deployment of the various sub-assemblies.
- the projectile is thus capable of achieving a concentration of the active ingredient in the direction of the projectile axis, or to function like a conventional explosive projectile with projection radial of said active material.
- the explosive projectile 1 contains a explosive charge 2, means 3 for initiating the explosive charge 2, active ingredient 4, and 5 ways to focus at least part of the active ingredient 4 towards a target during the explosion of the explosive charge 2.
- the explosive charge 2 and the active ingredient 4 are arranged in sub-assemblies 5 each mounted on a support 6.
- Each support 6 is mounted movably relative to the body 7 of the projectile 1.
- the projectile comprises in in addition to the means for passing each subset 5 from a retracted position inside the projectile 1 in a deployed position relative to the body 7 of the projectile.
- the respective deployed positions of various subsets 5 are predetermined so such as during the explosion of the explosive charge 2, the active ingredient 4 contained in the various sub-assemblies 5 is projected substantially into the same direction.
- This common direction is advantageously the direction of axis 8 of projectile 1.
- each subset 5 is produced substantially in the form of a cylindrical sector pivotally mounted around an axis 9 relative to the body 7 of the projectile 1, so as to pivot radially outwards by relative to the body 7 of the projectile 1.
- each sub-assembly 5 In its retracted position inside the body 7 of projectile 1 (see figures 1 and 3), each sub-assembly 5 extends axially substantially over the entire useful length of said body 7.
- the subsets 5 in form of cylindrical sectors are identical, are evenly distributed around axis 8 of the projectile 1, and are adapted to rotate about 90 degrees by relation to the body 7.
- FIGS. four are shown. sectors arranged at 90 degrees to each other the other and extending angularly at an angle of About 90 degrees.
- each subset 5 consists of a support 6 forming the base wall, of a priming means 3, explosive material 2 and active material 4.
- Support 6 for example of material thermoplastic, consists of two side walls 11,12 directed substantially radially when the sub-assembly 5 is in its folded position at inside the body 7.
- the two side walls 11 and 12 are separated by a cylindrical wall sector interior 13.
- Support 6 is limited at its ends axial front and rear by end walls 14.15 substantially in the form of circular sectors.
- the support 6 thus has a general shape of a bowl.
- Each sub-assembly 5 comprises, in its concave part, an explosive 2, a priming means 3 of explosive 2, and an active ingredient 4 arranged radially outside of explosive 2 when the sub-assembly is in its folded position of the figure 3.
- Explosive 2 is for example an explosive tablet, which may be octoviton or hexocire.
- the priming means 3 can be a cord explosive.
- the active material 4 can be a material generating shards, incendiary matter, or smoke material.
- a material generating shards known in itself, for example a metallic coating prefragmented or an organic matrix responsible for balls, which constitutes the outer wall 4 in the form of cylindrical sector of each sub-assembly 5.
- the sub-assemblies 5 are articulated on the body 7 of the projectile 1 at their rear end 5a relative to the direction 10 of movement of the projectile 1.
- the subsets 5 find themselves in the deployed position shown in Figures 2 and 4, the supports 6 being directed substantially radially.
- the detonation of explosive 2 projects shards into the direction opposite to support 6, perpendicular to this one, that is to say in the direction of arrow 16 which is opposite to the direction of arrow 10.
- the explosive projectile 1 includes means for adjusting the maximum angle of pivoting of the various sub-assemblies 5. These means, not shown, are conventional means, for example stops, which can be adjusted by the user before projectile 1 leaves.
- Projectile 1 includes a rocket programmable 17 which conventionally controls the setting with explosive charges.
- This programmable rocket 17 also includes means, shown schematically in 18 and known in themselves, to order or prohibit the deployment of the various sub-assemblies 5.
- This rocket 17 can be programmed before firing or on trajectory. It will be understood that it is also possible not to order the deployment of the sub-assemblies. In these conditions, the ignition of the explosive charge of each subset 5 projects the different shards substantially radially, and the explosive projectile behaves like a conventional projectile by projecting a lateral burst of splinters, as shown schematically in the figure 5. In this case, only the part of the sheaf of shrapnel included in the angular sector defined by the arrow 25 constitutes the part of this sheaf useful against the target 19.
- the body 7 of the projectile 1 comprises a central edge 20 which supports the pivot axes 9 and the different sub-assemblies 5 in their retracted position.
- Flanges 21 are integral with the edge 20 and have for the function of stiffening the structure of the body 7 and possibly to accommodate stabilization fins 22 deployable radially in the particular case depicted of a stabilized stabilizer projectile (see figures 1 and 2).
- the projectile could have two sub-assemblies of substantially semi-cylindrical shape articulated along pivot axes parallel to the axis of the projectile and neighbors of each other to get deploy circumferentially in two opposite directions so as to be able to project the active ingredient into a radial direction, substantially horizontal.
- the subsets could be mounted on mobile stands radially with respect to the axis of the projectile so to deploy radially in order to project the material substantially axially active.
- the payload of the explosive projectile and in active matter is essentially a function of the length of the projectile and not just of its caliber.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Toys (AREA)
Description
- la figure 1 est une vue en perspective schématique d'un projectile explosif selon un mode de réalisation de la présente invention, les sous-ensembles étant dans leur position rentrée ;
- la figure 2 est une vue semblable à la figure 1, les sous-ensembles étant dans leur position déployée ;
- la figure 3 est une vue simplifiée en coupe longitudinale du projectile de la figure 1, les sous-ensembles étant dans leur position rentrée ;
- la figure 4 est une vue semblable à la figure 3, les sous-ensembles étant dans leur position déployée ;
- la figure 5 est un schéma illustrant la dispersion radiale de la matière acquise dans le cas d'un projectile explosif classique ;
- la figure 6 est une vue semblable à la figure 5 illustrant la concentration frontale, en direction axiale, de la matière active dans le cas du projectile de la figure 1.
Claims (11)
- Projectile explosif (1) adapté à projeter de la matière active (4), contenant au moins une charge explosive (2), des moyens (3) d'amorçage de la charge explosive (2), de la matière active (4), et des moyens pour concentrer au moins une partie de la matière active (4) en direction d'une cible (19) lors de l'explosion de ladite charge explosive (2), caractérisé en ce que la charge explosive (2) et la matière active (4) sont disposées selon des sous-ensembles (5) montés chacun sur un support (6), chaque support (6) étant monté de façon mobile par rapport au corps (7) du projectile (1), et en ce que ledit projectile (1) comporte des moyens (23) pour faire passer chaque sous-ensemble (5) d'une position rentrée à l'intérieur du projectile (1) à une position déployée par rapport au corps (7) du projectile (1), les positions déployées respectives des divers sous-ensembles (5) étant prédéterminées de façon telle que lors de l'explosion de la charge explosive (2), la matière active (4) contenue dans les divers sous-ensembles (5) soit projetée sensiblement dans une même direction (16).
- Projectile explosif selon la revendication 1, caractérisé en ce que les positions déployées respectives des divers sous-ensembles (5) sont prédéterminées de façon telle que lors de l'explosion de la charge explosive (2), la matière active (4) contenue dans les divers sous-ensembles (5) soit projetée sensiblement en direction axiale (16).
- Projectile explosif selon la revendication 1 ou 2, caractérisé en ce que chaque sous-ensemble (5) est constitué d'un support (6) formant paroi de base, d'un moyen d'amorçage (3), de matière explosive (2) et de matière active (4).
- Projectile explosif selon l'une des revendications 1 à 3, caractérisé en ce que la matière active (4) est une matière génératrice d'éclats, une matière incendiaire ou une matière fumigène.
- Projectile explosif selon l'une des revendications 1 à 4, caractérisé en ce que chaque sous-ensemble (5) est réalisé sensiblement sous la forme d'un secteur cylindrique monté de manière pivotante par rapport au corps (7) du projectile (1).
- Projectile explosif selon la revendication 5, caractérisé en ce que chaque sous-ensemble (5) est monté de façon à pivoter radialement vers l'extérieur par rapport au corps (7) du projectile (1).
- Projectile explosif selon la revendication 6, caractérisé en ce que les sous-ensembles (5) en forme de secteurs cylindriques sont identiques, sont répartis régulièrement autour de l'axe (8) du projectile (1), et sont adaptés à pivoter d'environ 90° par rapport au corps (7) du projectile (1).
- Projectile explosif selon la revendication 6 ou 7, caractérisé en ce que les sous-ensembles (5) en forme de secteurs circulaires sont articulés sur le corps (7) du projectile (1) à leur extrémité avant (5b) ou arrière (5a) pour projeter la matière active (4) respectivement sensiblement vers l'avant ou vers l'arrière par rapport au sens (10) de déplacement du projectile (1).
- Projectile explosif selon l'une des revendications 6 à 8, caractérisé en ce qu'il comporte des ailettes (22) de stabilisation faisant saillie radialement par rapport au corps (7) du projectile (1), chaque ailette (22) étant disposée entre deux secteurs (5) adjacents.
- Projectile explosif selon l'une des revendications 6 à 9, caractérisé en ce qu'il comporte des moyens pour régler l'angle maximum de pivotement des divers sous-ensembles (5).
- Projectile explosif selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'il comporte une fusée programmable (17) comprenant des moyens (18) pour commander ou interdire le déploiement des divers sous-ensembles (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9606846 | 1996-06-04 | ||
FR9606846A FR2749381B1 (fr) | 1996-06-04 | 1996-06-04 | Projectile explosif |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0811823A1 EP0811823A1 (fr) | 1997-12-10 |
EP0811823B1 true EP0811823B1 (fr) | 2001-07-11 |
Family
ID=9492682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970401221 Expired - Lifetime EP0811823B1 (fr) | 1996-06-04 | 1997-06-03 | Projectile explosif |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0811823B1 (fr) |
DE (1) | DE69705588T2 (fr) |
FR (1) | FR2749381B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9922874D0 (en) * | 1999-09-27 | 2000-05-24 | Hunting Eng Ltd | Deformable fragmenting warheads |
US6997110B2 (en) * | 2001-09-05 | 2006-02-14 | Omnitek Partners, Llc. | Deployable bullets |
US7905180B2 (en) | 2006-06-13 | 2011-03-15 | Zuoliang Chen | Long range electrified projectile immobilization system |
DE102008057917A1 (de) * | 2008-11-19 | 2010-02-25 | Eads Deutschland Gmbh | Wirkkörper zum Schutz von Luftfahrzeugen |
EP3171121A1 (fr) * | 2015-11-18 | 2017-05-24 | Textron Systems Corporation | Munition avec une pluralité de têtes militaires segmentés configurables |
DE102019001651B4 (de) * | 2019-03-07 | 2020-12-10 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Stabilisiertes, nichtletales Impulsgeschoss |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO144084C (no) * | 1979-01-16 | 1981-06-17 | Raufoss Ammunisjonsfabrikker | Tubulaert prosjektil. |
US4798143A (en) * | 1987-05-06 | 1989-01-17 | Douglas Graham | Gas dispensing projectile |
FR2707387B1 (fr) * | 1993-07-09 | 1995-09-29 | Lacroix E Tous Artifices | Tête pyrotechnique à effets incendiaire et vulnérant renforcés. |
-
1996
- 1996-06-04 FR FR9606846A patent/FR2749381B1/fr not_active Expired - Fee Related
-
1997
- 1997-06-03 DE DE1997605588 patent/DE69705588T2/de not_active Expired - Fee Related
- 1997-06-03 EP EP19970401221 patent/EP0811823B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2749381A1 (fr) | 1997-12-05 |
FR2749381B1 (fr) | 1998-08-07 |
DE69705588D1 (de) | 2001-08-16 |
DE69705588T2 (de) | 2002-05-23 |
EP0811823A1 (fr) | 1997-12-10 |
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