EP0943887B1 - Conversion kit enabling the conversion of an explosive projectile to a concrete piercing projectile and projectile obtained by conversion - Google Patents

Conversion kit enabling the conversion of an explosive projectile to a concrete piercing projectile and projectile obtained by conversion Download PDF

Info

Publication number
EP0943887B1
EP0943887B1 EP99104144A EP99104144A EP0943887B1 EP 0943887 B1 EP0943887 B1 EP 0943887B1 EP 99104144 A EP99104144 A EP 99104144A EP 99104144 A EP99104144 A EP 99104144A EP 0943887 B1 EP0943887 B1 EP 0943887B1
Authority
EP
European Patent Office
Prior art keywords
shell
conversion device
charge
explosive
conversion
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
Application number
EP99104144A
Other languages
German (de)
French (fr)
Other versions
EP0943887A1 (en
Inventor
Alain Kerdraon
Michel Vives
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.)
Giat Industries SA
Original Assignee
Giat Industries SA
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 Giat Industries SA filed Critical Giat Industries SA
Publication of EP0943887A1 publication Critical patent/EP0943887A1/en
Application granted granted Critical
Publication of EP0943887B1 publication Critical patent/EP0943887B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F42B12/20—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
    • F42B12/201—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 characterised by target class
    • F42B12/204—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 characterised by target class for attacking structures, e.g. specific buildings or fortifications, ships or vehicles
    • 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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/08—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with armour-piercing caps; with armoured cupola
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes

Definitions

  • the technical field of the invention is that of shells artillery explosives.
  • Known artillery explosive shells have a explosive charge placed in a body and which is initiated by a priming device.
  • the initiating device is generally a rocket which is screwed before firing in a bore arranged at level of a front part of the shell.
  • the rocket is most often a proximity rocket with also a powerful operating mode.
  • the choice of operating mode is done at the time of firing.
  • the mode "proximity” leads to initiation at a given distance from ground, giving the shell an effectiveness against soft targets.
  • the "impactful” mode results in impact operation on the ground or a target.
  • the artillery shell is fired along a trajectory ballistic curve at a distance from the weapon of the order of 20 to 40 km. Even in impactful operation, these shells have a reduced effectiveness against concrete targets. The result excessive use of shells in certain operations targeting hard targets such as buildings or parkings.
  • FR847239 describes an explosive shell with a base rocket and an aerodynamic warhead. However this projectile has no anti-piercing function concrete and its priming device is not removable.
  • GB2006397 and FR843734 describe documents explosive projectiles comprising a body and a device of firing, however these projectiles presenting no means giving them improved anti-concrete efficiency.
  • the invention makes it possible to develop a stock of shells classics by giving them at least one new mode of operation. It avoids the acquisition of new types of shells while giving classic shells superior anti-infrastructure efficiency.
  • the invention also relates to the armor-piercing shell obtained using such a conversion device.
  • the subject of the invention is a device for conversion to transform into anti armor piercing shell concrete structures an explosive shell of conventional artillery, with a front bore intended to receive a rocket and a first rear connection means intended for example for receive an aerodynamic drag reduction device
  • this conversion device is characterized in that it comprises, on the one hand a priming box capable of being attached to the shell by the first connecting means, housing containing a security and arming device and a means of initiating the explosive charge of the shell at across a bottom wall of it on the other hand a solid perforating warhead which attaches to the bore before the shell by a second means of connection.
  • the initiation means can be formed by a hollow charge whose coating conical at its base oriented towards the bottom wall of the body shells.
  • the initiation means may consist of a flat load whose coating has its base oriented towards the bottom wall of the shell body.
  • the means initiation can be constituted by a relay charge shock wave enhancer.
  • the relay load can be placed in a housing annular.
  • the security and arming system may include electronic or pyrotechnic initiation delay.
  • the initiation delay can advantageously be programmable.
  • the warhead perforating may include a skirt surrounding the surface external of a front part of the shell body.
  • the perforating warhead can be produced made of tungsten density material greater than 10,000 kg / m3 and hardness greater than 300 Hv.
  • the invention also relates to an explosive shell equipped with such a conversion device.
  • This shell includes a charge of explosive placed in a body carrying a solid perforating warhead and initiated by a priming device, it is characterized in that it has a bottom wall, the initiating device being contained in a case separate from the explosive charge by the bottom wall, housing fixed by a first connecting means removable at a rear part of the shell body and initiating the explosive charge through the bottom wall of the shell, the full perforating warhead being attached to a bore before the shell by a second removable connection means.
  • an explosive shell according to the prior art comprises an explosive charge 1 arranged in a metallic body 2 carrying at its rear part a belt 3 intended to ensure gas tightness in the weapon barrel.
  • Body 2 of the shell has a tapped bore 5 at level of its front part, bore intended to receive a rocket 4, usually a proximity rocket.
  • An intermediate ring 6 is most often interposed between rocket 4 and bore 5. This ring carries a load relay pyrotechnics 7.
  • the rear part of the shell has a housing 8 in which screws a drag reduction device 9 aerodynamic.
  • the device shown here is a generator gas pyrotechnics (more commonly referred to in the artillery field by the English term “Base bleed”).
  • This device increases the range of the shell.
  • Patent FR2572512 describes such a shell with a drag reduction device which can be adapted to shell in the field according to operational needs.
  • a hollow pellet as described by the patent FR2572512 could be fixed in the housing 8 in place and place of the bleed base.
  • FIG. 2 shows a first embodiment of a shell 10 according to the invention.
  • the device of drag reduction is replaced by a box 14 containing a priming device 15.
  • the housing is linked to the body 2 by a first connecting means which is here the internal thread carried by the housing 8 of the body.
  • the spindle closing the threaded bore 5 is replaced by a massive point 11 made of high-tensile steel mechanical characteristics (for example 100C6) or in one tungsten material (preferably mass volume greater than 10,000 kg / m3 and hardness greater than 300 Hv).
  • the massive point 11 constitutes a perforating warhead.
  • the warhead is linked to the body by a second means of connection which is here the thread carried by bore 5.
  • the bottom 12 of the body 2 is pierced with an orifice 13 which will closed with a thin sheet metal plate (not shown) for allow the shell to fill with the explosive through bore 5.
  • the priming device 15 is shown schematically. It includes an electronic circuit board control 16 powered by an electric power source 17 and comprising an accelerometer 18.
  • the plate 16 is connected to a primer 19 with electrical initiation which is carried by a shutter 20 of pyrotechnic chain interruption.
  • the blind is part of a conventional weapon security device well known to those skilled in the art and who is therefore not shown in detail.
  • the armament security device is intended for maintain the shutter during the shell storage phases in a safe position in which the primer 19 is isolated from a means of initiation constituted by a relay of transmission of detonation 21.
  • the device ensures the passage of the shutter in a armed position following the firing of the shell by a weapon, the armed position is represented here.
  • the electronic board will also incorporate a delay electronic (not shown).
  • the security When fired by a weapon system, the security adopts its armed position (after a delay of classic trajectory start).
  • the primer 19 is therefore aligned with relay 21, itself facing the load explosive 1 through orifice 13.
  • the accelerometer 18 detects braking impact.
  • the electronic board processes the information of braking so as to cause the initiation of the primer 21 to the outcome of the preprogrammed electronic delay.
  • the perforating warhead 11 ensures the penetration of the shell in the hard target, the delay is chosen so that the initiation of the explosive charge occurs only when the shell is sufficiently engaged in the target (at least the half the length of the shell body).
  • the perforating warhead could be formed in one piece with the body 2 of the shell.
  • FIG. 3 represents another embodiment of a shell according to the invention.
  • This embodiment implements a device for conversion comprising a priming box 14 and a warhead full perforator 11.
  • the conversion device according to the invention is delivered in specific packaging (not shown) and it is likely to adapt, for example in the field of operations, to a conventional explosive shell such as that shown in Figure 1 and which has a thread at its rear part to receive a reduction device aerodynamic drag and a tapped bore at its front to receive a rocket.
  • the explosive shell thus transformed may have a different operational use, its anti effectiveness concrete structures having become superior.
  • the drag reduction devices are also adaptable to the field shell (see patent FR2572512) and that the warhead rockets 4 are also stored independently of shells. It is therefore easy to give to an explosive shell as described with reference to Figure 1 either a soft anti-target function by equipping it with a rocket proximity 4, i.e. an anti-concrete structure function in providing it with the conversion device according to the invention.
  • the perforating warhead 11 comprises a skirt 26 surrounding the external surface of a front part of the body 2 of the shell.
  • Such an arrangement makes it possible to increase the resistance body mechanics 2 of the shell and to avoid the sinking of the warhead 11 inside the body 2 upon impact on the target.
  • the structure of the priming unit 14 adaptable to a classic shell is special.
  • the priming box contains as a means of initiation (instead of the charge transmission relay 21) a small shaped charge 22, comprising a conical coating 23, for example of copper, and an explosive charge 24.
  • This hollow charge is initiated by means of a primer 19 which is (as in the embodiment of Figure 2) integral with a flap 20 of a security device armament.
  • a primer 19 which is (as in the embodiment of Figure 2) integral with a flap 20 of a security device armament.
  • the functioning of the primer is controlled by an electronic circuit board 16 provided with a electronic delay and accelerometer 18.
  • the housing 14 is provided with means ensuring its tightness when it is separated from the shell.
  • these means include a cover 25 in which the shaped charge 22.
  • the cover 25 is fixed to the housing 14 in a sealed manner, for example by welding. He will be able to also be screwed to the housing, a gasket silicone then being placed between cover and housing.
  • the base of the hollow charge coating 23 is therefore oriented towards the wall 12 of the bottom of the shell body.
  • the jet generated by its coating 23 will pass through the cover 25 and the bottom 12 of the body 2 of the shell.
  • the energy of the jet will be enough to initiating the explosive charge 1.
  • the thickness of the cover 25 may be reduced to less than one mm at the level of the hollow charge. We could possibly provide a cover pierced at load level, opening will be then closed by a glitter of tin glued to ensure sealing during storage of the case alone.
  • composition B a composition explosive combining 60% by mass of Hexogen and 40% by mass of Tolite (usually called "composition B") through a bottom 12 5 mm thick.
  • boot housing is possible.
  • Figure 4a shows a priming box 14 in which the initiation means consists of a charge plate 27 whose coating 28 (made of copper) in the form of concave cap at its base oriented towards the wall 12 of bottom of the shell body (shown in dotted lines).
  • the charge generates a nucleus with sufficient energy to cross the bottom 12 and ensure the initiation of the explosive charge of the shell.
  • FIG. 4b shows another alternative embodiment of the boot box 14, in which the initiation means consists of a relay reinforcing load 31 wave of choc.
  • a first charge relay 31 is arranged in an annular housing 37 arranged on the upper face of the cover 25 and coaxial with it latest.
  • This first relay load 31 communicates by several longitudinal channels 32 (filled with a composition detonation wave transmission) with a composition transmission pyrotechnics 33, itself initiated by a second relay 34.
  • Channels 32 are regularly distributed angularly (for example 3 channels at 120 °) on a coaxial circumference on the cover 25.
  • the transmission composition 33 is disposed in a cylindrical bowl 35 of a support 36 of the armament security device.
  • composition loading B through a 5 mm wall.
  • the conversion device according to the invention therefore allows to increase the possibilities offered by an endowment in conventional explosive shells.
  • the same shell structure can indeed perform several different functions (explosive anti light structures, anti concrete structures, anti tracks.).

Description

Le domaine technique de l'invention est celui des obus explosifs d'artillerie.The technical field of the invention is that of shells artillery explosives.

Les obus explosifs d'artillerie connus comportent un chargement explosif disposé dans un corps et qui est initié par un dispositif d'amorçage.Known artillery explosive shells have a explosive charge placed in a body and which is initiated by a priming device.

Le dispositif d'amorçage est généralement une fusée qui est vissée avant le tir dans un alésage aménagé au niveau d'une partie avant de l'obus.The initiating device is generally a rocket which is screwed before firing in a bore arranged at level of a front part of the shell.

La fusée est le plus souvent une fusée de proximité dotée également d'un mode de fonctionnement percutant. Le choix du mode de fonctionnement se fait au moment du tir. Le mode "proximité" entraíne une initiation à une distance donnée du sol, donnant à l'obus une efficacité anti cibles molles. Le mode "percutant" entraíne un fonctionnement à l'impact sur le sol ou une cible.The rocket is most often a proximity rocket with also a powerful operating mode. The choice of operating mode is done at the time of firing. The mode "proximity" leads to initiation at a given distance from ground, giving the shell an effectiveness against soft targets. The "impactful" mode results in impact operation on the ground or a target.

L'obus d'artillerie est tiré suivant une trajectoire balistique courbe à une distance de l'arme de l'ordre de 20 à 40 km. Même en fonctionnement percutant, ces obus ont une efficacité réduite contre les cibles bétonnées. Il en résulte une consommation excessive d'obus dans certaines opérations visant des cibles dures telles que des immeubles ou des parkings.The artillery shell is fired along a trajectory ballistic curve at a distance from the weapon of the order of 20 to 40 km. Even in impactful operation, these shells have a reduced effectiveness against concrete targets. The result excessive use of shells in certain operations targeting hard targets such as buildings or parkings.

On connaít notamment par le brevet DE4033754 un projectile perforant anti structures bétonnées comprenant une ogive renforcée et un chargement explosif.We know in particular from patent DE4033754 a anti-concrete structures penetrating projectile comprising a reinforced warhead and explosive charge.

Cependant un tel projectile est conçu spécifiquement pour son application anti béton. Il vient donc en complément à la dotation normale des troupes en munitions explosives ce qui complique la logistique et accroít le coût d'emploi de la munition.However, such a projectile is designed specifically for its anti-concrete application. It therefore complements the normal supply of troops with explosive ordnance which complicates logistics and increases the cost of using the ammunition.

Le brevet FR847239 décrit un obus explosif doté d'une fusée de culot et d'une ogive aérodynamique. Cependant ce projectile n'a pas de fonction perforante anti structures bétonnées et son dispositif d'amorçage n'est pas démontable. FR847239 describes an explosive shell with a base rocket and an aerodynamic warhead. However this projectile has no anti-piercing function concrete and its priming device is not removable.

Les documents GB2006397 et FR843734 décrivent des projectiles explosifs comprenant un corps et un dispositif d'amorçage, cependant ces projectiles ne présentant pas de moyens leur donnant une efficacité antibéton améliorée.GB2006397 and FR843734 describe documents explosive projectiles comprising a body and a device of firing, however these projectiles presenting no means giving them improved anti-concrete efficiency.

C'est un but de l'invention que de proposer un dispositif de conversion permettant de transformer facilement, et à tout moment sur le terrain d'opérations, un obus explosif classique en un obus perforant anti structures bétonnées.It is an object of the invention to propose a device of conversion allowing to transform easily, and to any moment in the field of operations, an explosive shell classic in a perforating shell anti concrete structures.

C'est un autre but de l'invention que de proposer un obus d'artillerie ayant une efficacité importante vis à vis des structures bétonnées.It is another object of the invention to propose a shell artillery having a high efficiency with respect to concrete structures.

Ainsi l'invention permet de valoriser un stock d'obus classiques en leur donnant au moins un nouveau mode de fonctionnement. Elle permet d'éviter l'acquisition de nouveaux types d'obus tout en conférant aux obus classiques une efficacité anti infrastructures supérieure.Thus the invention makes it possible to develop a stock of shells classics by giving them at least one new mode of operation. It avoids the acquisition of new types of shells while giving classic shells superior anti-infrastructure efficiency.

L'invention a également pour objet l'obus perforant obtenu à l'aide d'un tel dispositif de conversion.The invention also relates to the armor-piercing shell obtained using such a conversion device.

Ainsi l'invention a pour objet un dispositif de conversion permettant de transformer en obus perforant anti structures bétonnées un obus explosif d'artillerie classique, doté d'un alésage avant destiné à recevoir une fusée et d'un premier moyen de liaison arrière destiné par exemple à recevoir un dispositif de réduction de traínée aérodynamique, ce dispositif de conversion est caractérisé en ce qu'il comporte, d'une part un boítier d'amorçage susceptible d'être fixé à l'obus par le premier moyen de liaison, boítier renfermant un dispositif de sécurité et d'armement et un moyen d'initiation du chargement explosif de l'obus au travers d'une paroi de fond de celui-ci, d'autre part une ogive perforante pleine qui se fixe au niveau de l'alésage avant de l'obus par un deuxième moyen de liaison.Thus the subject of the invention is a device for conversion to transform into anti armor piercing shell concrete structures an explosive shell of conventional artillery, with a front bore intended to receive a rocket and a first rear connection means intended for example for receive an aerodynamic drag reduction device, this conversion device is characterized in that it comprises, on the one hand a priming box capable of being attached to the shell by the first connecting means, housing containing a security and arming device and a means of initiating the explosive charge of the shell at across a bottom wall of it on the other hand a solid perforating warhead which attaches to the bore before the shell by a second means of connection.

Selon un mode de réalisation, le moyen d'initiation peut être constitué par une charge creuse dont le revêtement conique a sa base orientée vers la paroi de fond du corps d'obus. According to one embodiment, the initiation means can be formed by a hollow charge whose coating conical at its base oriented towards the bottom wall of the body shells.

Selon un autre mode de réalisation, le moyen d'initiation peut être constitué par une charge plate dont le revêtement a sa base orientée vers la paroi de fond du corps d'obus.According to another embodiment, the initiation means may consist of a flat load whose coating has its base oriented towards the bottom wall of the shell body.

Selon un autre moyen de réalisation, le moyen d'initiation peut être constitué par une charge relais renforçatrice d'onde de choc.According to another embodiment, the means initiation can be constituted by a relay charge shock wave enhancer.

La charge relais pourra être disposée dans un logement annulaire.The relay load can be placed in a housing annular.

Le dispositif de sécurité et d'armement pourra comporter un retard d'initiation électronique ou pyrotechnique.The security and arming system may include electronic or pyrotechnic initiation delay.

Le retard d'initiation pourra avantageusement être programmable.The initiation delay can advantageously be programmable.

Selon une autre caractéristique de l'invention, l'ogive perforante pourra comporter une jupe entourant la surface externe d'une partie avant du corps d'obus.According to another characteristic of the invention, the warhead perforating may include a skirt surrounding the surface external of a front part of the shell body.

Avantageusement, l'ogive perforante pourra être réalisée en un matériau à base de tungstène de masse volumique supérieure à 10.000 kg/m3 et de dureté supérieure à 300 Hv.Advantageously, the perforating warhead can be produced made of tungsten density material greater than 10,000 kg / m3 and hardness greater than 300 Hv.

L'invention a également pour objet un obus explosif équipé d'un tel dispositif de conversion.The invention also relates to an explosive shell equipped with such a conversion device.

Cet obus comprend un chargement d'explosif disposé dans un corps portant une ogive perforante pleine et initié par un dispositif d'amorçage, il est caractérisé en ce qu'il comporte une paroi de fond, le dispositif d'amorçage étant contenu dans un boítier séparé du chargement explosif par la paroi de fond, boítier fixé par un premier moyen de liaison démontable au niveau d'une partie arrière du corps de l'obus et assurant l'initiation du chargement explosif au travers de la paroi de fond de l'obus, l'ogive perforante pleine étant fixée au niveau d'un alésage avant de l'obus par un deuxième moyen de liaison démontable.This shell includes a charge of explosive placed in a body carrying a solid perforating warhead and initiated by a priming device, it is characterized in that it has a bottom wall, the initiating device being contained in a case separate from the explosive charge by the bottom wall, housing fixed by a first connecting means removable at a rear part of the shell body and initiating the explosive charge through the bottom wall of the shell, the full perforating warhead being attached to a bore before the shell by a second removable connection means.

L'invention sera mieux comprise à la lecture de la description qui va suivre de différents modes de réalisation, description faite en référence aux dessins annexés et dans lesquels :

  • la figure 1 est une vue en coupe longitudinale d'un obus de type connu,
  • la figure 2 est une vue en coupe longitudinale d'un premier mode de réalisation d'un obus selon l'invention,
  • la figure 3 est une vue en coupe longitudinale d'un deuxième mode de réalisation d'un obus selon l'invention,
  • les figures 4a, 4b et 4c montrent trois variantes de réalisation du boítier d'amorçage.
The invention will be better understood on reading the description which follows of different embodiments, description made with reference to the appended drawings and in which:
  • FIG. 1 is a view in longitudinal section of a shell of known type,
  • FIG. 2 is a view in longitudinal section of a first embodiment of a shell according to the invention,
  • FIG. 3 is a view in longitudinal section of a second embodiment of a shell according to the invention,
  • Figures 4a, 4b and 4c show three alternative embodiments of the boot housing.

En se reportant à la figure 1, un obus explosif selon l'art antérieur comporte un chargement explosif 1 disposé dans un corps métallique 2 portant à sa partie arrière une ceinture 3 destinée à assurer l'étanchéité aux gaz dans le tube d'une arme.Referring to Figure 1, an explosive shell according to the prior art comprises an explosive charge 1 arranged in a metallic body 2 carrying at its rear part a belt 3 intended to ensure gas tightness in the weapon barrel.

Le corps 2 de l'obus présente un alésage taraudé 5 au niveau de sa partie avant, alésage destiné à recevoir une fusée 4, généralement une fusée de proximité.Body 2 of the shell has a tapped bore 5 at level of its front part, bore intended to receive a rocket 4, usually a proximity rocket.

Une bague intermédiaire 6 est le plus souvent interposée entre la fusée 4 et l'alésage 5. Cette bague porte une charge pyrotechnique relais 7.An intermediate ring 6 is most often interposed between rocket 4 and bore 5. This ring carries a load relay pyrotechnics 7.

La partie arrière de l'obus présente un logement 8 dans lequel se visse un dispositif 9 de réduction de traínée aérodynamique. Le dispositif représenté ici est un générateur pyrotechnique de gaz (plus communément désigné dans le domaine de l'artillerie par le terme anglais "Base bleed").The rear part of the shell has a housing 8 in which screws a drag reduction device 9 aerodynamic. The device shown here is a generator gas pyrotechnics (more commonly referred to in the artillery field by the English term "Base bleed").

Ce dispositif permet d'accroítre la portée de l'obus.This device increases the range of the shell.

Le brevet FR2572512 décrit un tel obus doté d'un dispositif de réduction de traínée pouvant être adapté à l'obus sur le terrain en fonction des besoins opérationnels.Patent FR2572512 describes such a shell with a drag reduction device which can be adapted to shell in the field according to operational needs.

Un autre dispositif de réduction de traínée possible et connu est le culot creux. Un culot creux tel que décrit par le brevet FR2572512 pourrait être fixé dans le logement 8 en lieu et place du base bleed.Another possible drag reduction device and known is the hollow pellet. A hollow base as described by the patent FR2572512 could be fixed in the housing 8 in place and place of the bleed base.

La figure 2 présente un premier mode de réalisation d'un obus 10 selon l'invention. Dans cet obus Le dispositif de réduction de traínée est remplacé par un boítier 14 renfermant un dispositif d'amorçage 15. Le boítier est lié au corps 2 par un premier moyen de liaison qui est ici le taraudage porté par le logement 8 du corps.Figure 2 shows a first embodiment of a shell 10 according to the invention. In this shell The device of drag reduction is replaced by a box 14 containing a priming device 15. The housing is linked to the body 2 by a first connecting means which is here the internal thread carried by the housing 8 of the body.

La fusée obturant l'alésage taraudé 5 est remplacée par une pointe massive 11 réalisée en acier à hautes caractéristiques mécaniques (par exemple du 100C6) ou en un matériau à base de tungstène (de préférence de masse volumique supérieure à 10.000 kg/m3 et de dureté supérieure à 300 Hv).The spindle closing the threaded bore 5 is replaced by a massive point 11 made of high-tensile steel mechanical characteristics (for example 100C6) or in one tungsten material (preferably mass volume greater than 10,000 kg / m3 and hardness greater than 300 Hv).

La pointe massive 11 constitue une ogive perforante. L'ogive est liée au corps par un deuxième moyen de liaison qui est ici le taraudage porté par l'alésage 5.The massive point 11 constitutes a perforating warhead. The warhead is linked to the body by a second means of connection which is here the thread carried by bore 5.

Le fond 12 du corps 2 est percé d'un orifice 13 qui sera obturé d'une plaque de tôle mince (non représentée) pour permettre le remplissage de l'obus avec l'explosif au travers de l'alésage 5.The bottom 12 of the body 2 is pierced with an orifice 13 which will closed with a thin sheet metal plate (not shown) for allow the shell to fill with the explosive through bore 5.

Le dispositif d'amorçage 15 est représenté schématiquement. Il comporte une platine électronique de commande 16 alimentée par une source d'énergie électrique 17 et comportant un accéléromètre 18. La platine 16 est reliée à une amorce 19 à initiation électrique qui est portée par un volet 20 d'interruption de chaíne pyrotechnique. Le volet fait partie d'un dispositif de sécurité d'armement classique bien connu de l'homme du métier et qui n'est donc pas représenté en détails.The priming device 15 is shown schematically. It includes an electronic circuit board control 16 powered by an electric power source 17 and comprising an accelerometer 18. The plate 16 is connected to a primer 19 with electrical initiation which is carried by a shutter 20 of pyrotechnic chain interruption. The blind is part of a conventional weapon security device well known to those skilled in the art and who is therefore not shown in detail.

Le dispositif de sécurité d'armement est destiné à maintenir au cours des phases de stockage de l'obus le volet dans une position de sécurité dans laquelle l'amorce 19 est isolée d'un moyen d'initiation constitué par un relais de transmission de détonation 21.The armament security device is intended for maintain the shutter during the shell storage phases in a safe position in which the primer 19 is isolated from a means of initiation constituted by a relay of transmission of detonation 21.

Le dispositif assure le passage du volet dans une position armée consécutivement au tir de l'obus par une arme, c'est la position armée qui est représentée ici.The device ensures the passage of the shutter in a armed position following the firing of the shell by a weapon, the armed position is represented here.

La platine électronique incorporera également un retard électronique (non représenté) .The electronic board will also incorporate a delay electronic (not shown).

Le fonctionnement de cet obus est le suivant:The operation of this shell is as follows:

Lors de son tir par un système d'arme, le dispositif de sécurité adopte sa position armée (à l'issue d'un retard de début de trajectoire classique). L'amorce 19 se trouve donc alignée avec le relais 21, lui même en regard du chargement explosif 1 au travers de l'orifice 13.When fired by a weapon system, the security adopts its armed position (after a delay of classic trajectory start). The primer 19 is therefore aligned with relay 21, itself facing the load explosive 1 through orifice 13.

A l'impact de l'obus sur une cible dure telle qu'une structure bétonnée, l'accéléromètre 18 détecte le freinage d'impact. La platine électronique traite l'information de freinage de façon à provoquer l'initiation de l'amorce 21 à l'issue du retard électronique préprogrammé.At the impact of the shell on a hard target such as a concrete structure, the accelerometer 18 detects braking impact. The electronic board processes the information of braking so as to cause the initiation of the primer 21 to the outcome of the preprogrammed electronic delay.

L'ogive perforante 11 assure la pénétration de l'obus dans la cible dure, le retard est choisi de telle sorte que l'initiation du chargement explosif n'intervienne que lorsque l'obus est suffisamment engagé dans la cible (au moins la moitié de la longueur du corps de l'obus). On pourra par exemple prévoir un retard de l'ordre de 1 à 5 millisecondes pour une cible bétonnée.The perforating warhead 11 ensures the penetration of the shell in the hard target, the delay is chosen so that the initiation of the explosive charge occurs only when the shell is sufficiently engaged in the target (at least the half the length of the shell body). We can by example predict a delay of the order of 1 to 5 milliseconds for a concrete target.

A titre de variante, l'ogive perforante pourrait être formée d'une seule pièce avec le corps 2 de l'obus.Alternatively, the perforating warhead could be formed in one piece with the body 2 of the shell.

La figure 3 représente un autre mode de réalisation d'un obus selon l'invention.FIG. 3 represents another embodiment of a shell according to the invention.

Ce mode de réalisation met en oeuvre un dispositif de conversion comprenant un boítier d'amorçage 14 et une ogive perforante pleine 11.This embodiment implements a device for conversion comprising a priming box 14 and a warhead full perforator 11.

Le dispositif de conversion selon l'invention est livré dans un emballage spécifique (non représenté) et il est susceptible de s'adapter, par exemple sur le terrain d'opérations, à un obus explosif conventionnel tel que celui représenté à la figure 1 et qui porte un taraudage à sa partie arrière pour recevoir un dispositif de réduction de traínée aérodynamique et un alésage taraudé à sa partie avant pour recevoir une fusée.The conversion device according to the invention is delivered in specific packaging (not shown) and it is likely to adapt, for example in the field of operations, to a conventional explosive shell such as that shown in Figure 1 and which has a thread at its rear part to receive a reduction device aerodynamic drag and a tapped bore at its front to receive a rocket.

Pour transformer un obus explosif classique en obus perforant anti structures bétonnées, il suffit de remplacer la fusée 4 par une ogive perforante 11 et de remplacer le dispositif de réduction de traínée aérodynamique 9 par un boítier d'amorçage 14.To transform a conventional explosive shell into a shell perforating anti concrete structures, just replace rocket 4 with a perforating warhead 11 and replace the aerodynamic drag reduction device 9 by a primer box 14.

L'obus explosif ainsi transformé peut avoir une utilisation opérationnelle différente, son efficacité anti structures bétonnées étant devenue supérieure.The explosive shell thus transformed may have a different operational use, its anti effectiveness concrete structures having become superior.

On notera que les dispositif de réduction de traínée sont également adaptables à l'obus sur le terrain (voir le brevet FR2572512) et que les fusées d'ogive 4 sont par ailleurs stockées indépendamment des obus. Il est donc aisé de donner à un obus explosif tel que décrit en référence à la figure 1 soit une fonction anti cible molle en le dotant d'une fusée de proximité 4, soit une fonction anti structure bétonnée en le dotant du dispositif de conversion selon l'invention.Note that the drag reduction devices are also adaptable to the field shell (see patent FR2572512) and that the warhead rockets 4 are also stored independently of shells. It is therefore easy to give to an explosive shell as described with reference to Figure 1 either a soft anti-target function by equipping it with a rocket proximity 4, i.e. an anti-concrete structure function in providing it with the conversion device according to the invention.

Suivant le mode de réalisation décrit sur la figure 3, l'ogive perforante 11 comporte une jupe 26 entourant la surface externe d'une partie avant du corps 2 de l'obus.According to the embodiment described in FIG. 3, the perforating warhead 11 comprises a skirt 26 surrounding the external surface of a front part of the body 2 of the shell.

Une telle disposition permet d'accroítre la résistance mécanique du corps 2 de l'obus et d'éviter l'enfoncement de l'ogive 11 à l'intérieur du corps 2 lors de l'impact sur la cible.Such an arrangement makes it possible to increase the resistance body mechanics 2 of the shell and to avoid the sinking of the warhead 11 inside the body 2 upon impact on the target.

Du fait de l'absence d'orifice 13 dans le fond 12 de l'obus, la structure du boítier d'amorçage 14 adaptable à un obus classique est particulière.Due to the absence of orifice 13 in the bottom 12 of the shell, the structure of the priming unit 14 adaptable to a classic shell is special.

Conformément à la figure 3, le boítier d'amorçage renferme comme moyen d'initiation (à la place de la charge relais de transmission 21) une petite charge creuse 22, comprenant un revêtement conique 23, par exemple en cuivre, et un chargement explosif 24.In accordance with FIG. 3, the priming box contains as a means of initiation (instead of the charge transmission relay 21) a small shaped charge 22, comprising a conical coating 23, for example of copper, and an explosive charge 24.

Cette charge creuse est initiée au moyen d'une amorce 19 qui est (comme dans le mode de réalisation de la figure 2) solidaire d'un volet 20 d'un dispositif de sécurité d'armement. Comme précédemment le fonctionnement de l'amorce est commandé par une platine électronique 16 dotée d'un retard électronique et d'un accéléromètre 18.This hollow charge is initiated by means of a primer 19 which is (as in the embodiment of Figure 2) integral with a flap 20 of a security device armament. As before, the functioning of the primer is controlled by an electronic circuit board 16 provided with a electronic delay and accelerometer 18.

Afin de permettre le stockage du boítier d'amorçage 14 indépendamment de l'obus, le boítier 14 est pourvu de moyens assurant son étanchéité lorsqu'il est séparé de l'obus. Ici ces moyens comprennent un couvercle 25 dans lequel se loge la charge creuse 22. Le couvercle 25 est fixé au boítier 14 d'une façon étanche par exemple par soudure. Il pourra également être vissé au boítier, un joint d'étanchéité silicone étant alors disposé entre couvercle et boítier.In order to allow the storage of the priming box 14 independently of the shell, the housing 14 is provided with means ensuring its tightness when it is separated from the shell. Here these means include a cover 25 in which the shaped charge 22. The cover 25 is fixed to the housing 14 in a sealed manner, for example by welding. He will be able to also be screwed to the housing, a gasket silicone then being placed between cover and housing.

La base du revêtement 23 de charge creuse se trouve donc orientée vers la paroi 12 du fond du corps d'obus.The base of the hollow charge coating 23 is therefore oriented towards the wall 12 of the bottom of the shell body.

Lors de l'initiation de la charge creuse 22, le jet engendré par son revêtement 23 traversera le couvercle 25 et le fond 12 du corps 2 de l'obus. L'énergie du jet suffira à assurer l'initiation du chargement explosif 1. Afin de réduire la perturbation occasionnée au jet, l'épaisseur du couvercle 25 pourra être réduite à moins d'un mm au niveau de la charge creuse. On pourra éventuellement prévoir un couvercle percé au niveau de la charge, l'ouverture sera alors obturée par un paillet d'étain collé pour assurer l'étanchéité lors du stockage du boítier seul.During the initiation of the shaped charge 22, the jet generated by its coating 23 will pass through the cover 25 and the bottom 12 of the body 2 of the shell. The energy of the jet will be enough to initiating the explosive charge 1. In order to reduce the jet disturbance, the thickness of the cover 25 may be reduced to less than one mm at the level of the hollow charge. We could possibly provide a cover pierced at load level, opening will be then closed by a glitter of tin glued to ensure sealing during storage of the case alone.

A titre d'exemple une charge creuse de 30 mm de diamètre assure l'initiation d'un chargement d'une composition explosive associant 60% en masse d'Hexogène et 40% en masse de Tolite (appelée habituellement "composition B") au travers d'un fond 12 de 5 mm d'épaisseur.For example, a hollow charge 30 mm in diameter ensures the initiation of a loading of a composition explosive combining 60% by mass of Hexogen and 40% by mass of Tolite (usually called "composition B") through a bottom 12 5 mm thick.

A titre de variante, on pourrait utiliser dans ce mode de réalisation l'ogive perforante décrite en référence à la figure 2.Alternatively, one could use in this mode of realization of the perforating warhead described with reference to the figure 2.

D'autres modes de réalisation du boítier d'amorçage sont possibles.Other embodiments of the boot housing are possible.

Ainsi la figure 4a montre un boítier d'amorçage 14 dans lequel le moyen d'initiation est constitué par une charge plate 27 dont le revêtement 28 (réalisé en cuivre) en forme de calotte concave a sa base orientée vers la paroi 12 de fond du corps d'obus (représentée en pointillés).Thus Figure 4a shows a priming box 14 in which the initiation means consists of a charge plate 27 whose coating 28 (made of copper) in the form of concave cap at its base oriented towards the wall 12 of bottom of the shell body (shown in dotted lines).

La charge engendre un noyau dont l'énergie est suffisante pour traverser le fond 12 et assurer l'initiation du chargement explosif de l'obus.The charge generates a nucleus with sufficient energy to cross the bottom 12 and ensure the initiation of the explosive charge of the shell.

Ici l'étanchéité du couvercle 25 du boítier 14 est assurée par un joint annulaire 29 en silicone et par un paillet en étain 30 collé.Here the seal of the cover 25 of the housing 14 is ensured by an annular seal 29 in silicone and by a glued pewter 30 glued.

La figure 4b montre une autre variante de réalisation du boítier d'amorçage 14, dans laquelle le moyen d'initiation est constitué par une charge relais 31 renforçatrice d'onde de choc.FIG. 4b shows another alternative embodiment of the boot box 14, in which the initiation means consists of a relay reinforcing load 31 wave of choc.

On pourra par exemple utiliser une charge de 50 g d'une composition telle que la composition B décrite précédemment pour initier par choc un chargement explosif d'une même composition disposé derrière le fond 12 du corps d'obus, fond dont l'épaisseur locale est de 5mm et qui est situé à une distance de l'ordre de 1 mm de la charge relais.We could for example use a load of 50 g of a composition such as composition B described above to shock initiate an explosive charge of the same composition arranged behind the bottom 12 of the shell body, bottom whose local thickness is 5mm and which is located at a distance of the order of 1 mm from the relay load.

Suivant la variante de la figure 4c, une première charge relais 31 est disposée dans un logement annulaire 37 aménagé sur la face supérieur du couvercle 25 et coaxial à ce dernier. Cette première charge relais 31 communique par plusieurs canaux longitudinaux 32 (remplis d'une composition de transmission d'onde de détonation) avec une composition pyrotechnique de transmission 33, elle même initiée par un deuxième relais 34. According to the variant of FIG. 4c, a first charge relay 31 is arranged in an annular housing 37 arranged on the upper face of the cover 25 and coaxial with it latest. This first relay load 31 communicates by several longitudinal channels 32 (filled with a composition detonation wave transmission) with a composition transmission pyrotechnics 33, itself initiated by a second relay 34.

Les canaux 32 sont régulièrement répartis angulairement (par exemple 3 canaux à 120°) sur une circonférence coaxiale au couvercle 25. La composition de transmission 33 est disposée dans une cuvette cylindrique 35 d'un support 36 du dispositif de sécurité d'armement.Channels 32 are regularly distributed angularly (for example 3 channels at 120 °) on a coaxial circumference on the cover 25. The transmission composition 33 is disposed in a cylindrical bowl 35 of a support 36 of the armament security device.

Une telle disposition permet de renforcer l'onde de détonation de la première charge relais 31, le front d'onde annulaire qu'elle créera au travers de la paroi 12 du corps d'obus se composera, engendrant une pression de choc plus intense sensiblement au niveau de l'axe de l'obus.Such an arrangement makes it possible to reinforce the wave of detonation of the first relay load 31, the wave front annular which it will create through the wall 12 of the body shells will be formed, generating more shock pressure intense substantially at the level of the axis of the shell.

On assure ainsi l'initiation du chargement avec une masse de composition relais 31 moindre.This ensures the initiation of loading with a mass relay composition 31 less.

A titre d'exemple on pourra utiliser :

  • pour la charge du deuxième relais 34: 2 g de tétryl graphité,
  • pour la composition de transmission 33 utilisée également pour garnir les canaux 32 : 5 g d'héxogène de granulométrie comprise entre 100 et 200 micromètres,
  • pour la charge du premier relais 31 : 15 g d'une composition associant Héxogène et cire dans les proportions en masse relatives 95% hexogène / 5% Cire, et incorporant du graphite (1% de la masse totale de la composition).
As an example we could use:
  • for charging the second relay 34: 2 g of tetryl graphite,
  • for the transmission composition 33 also used to fill the channels 32: 5 g of hexogen with a particle size between 100 and 200 micrometers,
  • for the charge of the first relay 31: 15 g of a composition combining hexogen and wax in the relative mass proportions 95% hexogen / 5% wax, and incorporating graphite (1% of the total mass of the composition).

On assure ainsi l'initiation du chargement de composition B au travers d'une paroi de 5 mm.This ensures initiation of composition loading B through a 5 mm wall.

A titre de variante on pourra remplacer le retard électronique par un retard pyrotechnique qui pourra par exemple dans la dernière variante de réalisation être mis en place dans les canaux 32.Alternatively we can replace the delay electronic by a pyrotechnic delay which may by example in the last embodiment be set place in channels 32.

On pourra également utiliser un retard électronique dont la valeur pourra être programmée avant le tir. On réglera la valeur du retard en fonction de la dureté de la cible envisagée. On pourra par exemple prévoir un retard de l'ordre de 1 à 5 millisecondes pour une cible bétonnée et un retard de l'ordre de 0,5 à 2 millisecondes pour une utilisation anti pistes ou anti routes.We can also use an electronic delay including the value can be programmed before firing. We will settle the delay value as a function of target hardness considered. We could for example foresee a delay of the order from 1 to 5 milliseconds for a concrete target and a delay of the order of 0.5 to 2 milliseconds for anti use tracks or anti roads.

Le dispositif de conversion selon l'invention permet donc d'accroítre les possibilités offertes par une dotation en obus explosifs conventionnels. Une même structure d'obus peut en effet remplir plusieurs fonctions différentes (explosif anti structures légères, anti structures bétonnées, anti pistes....).The conversion device according to the invention therefore allows to increase the possibilities offered by an endowment in conventional explosive shells. The same shell structure can indeed perform several different functions (explosive anti light structures, anti concrete structures, anti tracks....).

Claims (10)

  1. Conversion device permitting the transforming into a concrete structures piercing shell of a conventional high-explosive artillery shell, provided with a front bore (5) intended to receive a fuse and a first rear connecting means intended, for example, to receive an aerodynamic drag reducing device, which conversion device is characterised in that it comprises on the one hand a priming cartridge (14) which can be fixed to the shell by the first connecting means, which cartridge contains a safety and arming device and a means for setting off the explosive charge (1) of the shell through a base wall (12) of same, on the other hand a solid piercing head (11) which is fixed at the front bore (5) of the shell by a second connecting means.
  2. Conversion device according to claim 1, characterised in that the initiation means is formed by a hollow-shaped charge (22), the conical cover (23) of which has its base directed towards the base wall (12) of the body of the shell.
  3. Conversion device according to claim 1, characterised in that the initiation means is formed by a flat charge (27), the cover (28) of which has its base directed towards the base wall of the body of the shell.
  4. Conversion device according to claim 1, characterised in that the initiation means is formed by a shock-wave reinforcing relay charge (31).
  5. Conversion device according to claim 4, characterised in that the relay charge (31) is arranged in an annular seating (37).
  6. Conversion device according to any of the claims 1 to 5, characterised in that the safety and arming device comprises an electronic or pyrotechnic initiation delay.
  7. Conversion device according to claim 6, characterised in that the initiation delay is programmable.
  8. Conversion device according to any of the claims 1 to 7, characterised in that the piercing head (11) comprises a skirt (26) which surrounds the outside surface of a front part of the body (2) of the shell.
  9. Conversion device according to any of the claims 1 to 8, characterised in that the piercing head (11) is made of a tungsten based material with a volumic mass of more than 10.004 kg/m3 and a hardness greater than 300 Hv.
  10. Shell comprising an explosive charge (1) arranged in a body (2) carrying a solid piercing head and set off by a priming device, which shell is characterised in that it comprises a base wall (12), the priming device being contained in a cartridge (14) separated from the explosive charge (11) by the base wall (12), cartridge fixed by a first removable connecting means to a rear part of the body (2) of the shell and ensuring the setting off of the explosive charge through the base wall (12) of the shell, the solid piercing head (11) being fixed at the front bore (5) of the shell by a second removable connecting means.
EP99104144A 1998-03-19 1999-03-02 Conversion kit enabling the conversion of an explosive projectile to a concrete piercing projectile and projectile obtained by conversion Expired - Lifetime EP0943887B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803513A FR2776372B1 (en) 1998-03-19 1998-03-19 PERFORATING SHELL ANTI CONCRETE STRUCTURES AND CONVERSION DEVICE FOR OBTAINING SUCH A PERFORATING SHELL FROM AN EXPLOSIVE SHELL
FR9803513 1998-03-19

Publications (2)

Publication Number Publication Date
EP0943887A1 EP0943887A1 (en) 1999-09-22
EP0943887B1 true EP0943887B1 (en) 2003-05-14

Family

ID=9524347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104144A Expired - Lifetime EP0943887B1 (en) 1998-03-19 1999-03-02 Conversion kit enabling the conversion of an explosive projectile to a concrete piercing projectile and projectile obtained by conversion

Country Status (5)

Country Link
EP (1) EP0943887B1 (en)
DE (1) DE69907791T2 (en)
FR (1) FR2776372B1 (en)
NO (1) NO318138B1 (en)
ZA (1) ZA992140B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003258449A1 (en) * 2003-09-17 2005-04-06 Ruag Munition Piercing projectile
DE102007016488B3 (en) * 2007-04-05 2009-01-22 Diehl Bgt Defence Gmbh & Co. Kg Penetallable projectile
US8985026B2 (en) 2011-11-22 2015-03-24 Alliant Techsystems Inc. Penetrator round assembly
DE102014109077A1 (en) * 2014-06-27 2015-12-31 Rheinmetall Waffe Munition Gmbh artillery shell

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR843734A (en) * 1937-09-21 1939-07-10 Explosive projectile
FR847239A (en) * 1938-12-08 1939-10-05 Aerodynamic shell without rocket
DE2609590C2 (en) * 1976-03-09 1983-09-29 Rheinmetall GmbH, 4000 Düsseldorf Process for the manufacture of various projectile terminals and deformation kits for carrying out the process
CH626166A5 (en) * 1977-10-12 1981-10-30 Oerlikon Buehrle Ag
FR2572512B1 (en) 1984-10-25 1987-09-25 Luchaire Sa DEVICE, ADAPTABLE ON MACHINERY OR AMMUNITION, SUCH AS ARTILLERY PROJECTILES, INTENDED TO REDUCE THEIR PANT TRAIL
DE4033754A1 (en) * 1990-10-24 1992-04-30 Rheinmetall Gmbh Projectile for destruction of targets protected by steel concrete - contains effective charge and has ogival or chisel type point

Also Published As

Publication number Publication date
ZA992140B (en) 1999-10-21
FR2776372B1 (en) 2000-08-04
EP0943887A1 (en) 1999-09-22
NO991303L (en) 1999-09-20
NO991303D0 (en) 1999-03-17
DE69907791T2 (en) 2004-03-11
NO318138B1 (en) 2005-02-07
FR2776372A1 (en) 1999-09-24
DE69907791D1 (en) 2003-06-18

Similar Documents

Publication Publication Date Title
FR2867555A1 (en) Projectile, useful for the penetration of armored structures, comprises case having cavity, reactive material disposed in cavity and point coupled to the case
EP2923171B1 (en) Spin-stabilised projectile that expels a payload
FR2537264A1 (en) PERFORATION OR BREAKING SHIELD
EP3102906B1 (en) Hollow charge and use for separating two floors of an aeronautical vehicle or for the neutralization thereof
FR2678723A1 (en) Explosive, particularly anti-aircraft, projectile, comprising a rotary directional-effect charge
FR2534369A1 (en) EXPLOSIVE PROJECTILE PERFORANT ENCARTOUCHE
EP0438343B1 (en) Penetrator ammunition for targets with high mechanical resistance
FR2545923A1 (en) PROJECTILE ENSURING THE DRILLING OF SHIELDS
EP0943887B1 (en) Conversion kit enabling the conversion of an explosive projectile to a concrete piercing projectile and projectile obtained by conversion
FR2679994A1 (en) Device for igniting the propulsive charge of a munition, especially a telescoped munition, and munition initiated by such an igniting device
EP3994421A1 (en) Telescoped ammunition comprising a shell
EP1701131B1 (en) Armour perforating projectile
EP1521053B1 (en) Anti-bunker ammunition
FR2472168A1 (en) Outer casing for projectile - includes auxiliary charge to boost speed before impact to ensure penetration of target
FR2520103A1 (en) HOLLOW LOAD COMPRISING AN INTERNAL METAL RING FOR SUPPLEMENTARY PROJECTILE
EP0677718B1 (en) Projectile for attacking hard targets
FR2552871A1 (en) Anti-tank projectile acting at the deviation speed
EP1192406B1 (en) Device for neutralising a payload
EP0916921B1 (en) Munitions for mine clearance
FR2601763A1 (en) SUB-CALIBER PROJECTILE OF ARRAY TYPE FOR ACTIVE SHIELDS
EP0759533B1 (en) Armour perforating projectile and ammunition comprising such a projectile
EP1000312A1 (en) Countermeasure ammunition
BE1006592A3 (en) Pyrotechnic igniter for drag reduction motor
GB2606722A (en) Improved explosive charge device and assembly
FR2508159A1 (en) AMMUNITION FOR FIGHTING ARMORED TARGETS

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE ES FI FR GB GR IT LI NL SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20000218

AKX Designation fees paid

Free format text: CH DE ES FI FR GB GR IT LI NL SE

17Q First examination report despatched

Effective date: 20011023

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): CH DE ES FI FR GB GR IT LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20030514

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20030514

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69907791

Country of ref document: DE

Date of ref document: 20030618

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20030814

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20030814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20030825

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20040112

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20040220

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20040226

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20040305

Year of fee payment: 6

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040331

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040331

26N No opposition filed

Effective date: 20040217

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050302

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050302

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051001

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20050302

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051130

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20051130