EP0527218A1 - Armour-piercing fragmentation projectile. - Google Patents

Armour-piercing fragmentation projectile.

Info

Publication number
EP0527218A1
EP0527218A1 EP92906731A EP92906731A EP0527218A1 EP 0527218 A1 EP0527218 A1 EP 0527218A1 EP 92906731 A EP92906731 A EP 92906731A EP 92906731 A EP92906731 A EP 92906731A EP 0527218 A1 EP0527218 A1 EP 0527218A1
Authority
EP
European Patent Office
Prior art keywords
projectile according
head
fragmentation
mass
projectile
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.)
Granted
Application number
EP92906731A
Other languages
German (de)
French (fr)
Other versions
EP0527218B1 (en
Inventor
Roland Boual
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 EP0527218A1 publication Critical patent/EP0527218A1/en
Application granted granted Critical
Publication of EP0527218B1 publication Critical patent/EP0527218B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F42B12/367—Projectiles fragmenting upon impact without the use of explosives, the fragments creating a wounding or lethal effect
    • 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
    • F42B12/06—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 hard or heavy core; Kinetic energy penetrators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/34—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type

Definitions

  • the present invention relates to the technical field of projectiles used for the remote destruction of a random target, generally more of a shielded nature.
  • the present invention relates to projectiles of the perforating type.
  • the destruction of a target at a long distance and, more particularly, of an armored target requires great precision in firing, as well as significant terminal efficiency.
  • the high shooting precision can be obtained by using projectiles, for example, of the sub-caliber and perforating type, developing, by their construction, a high impact energy, while offering remarkable shooting precision during the exterior ballistic trajectory.
  • the final destruction efficiency can be maintained by using an explosive projectile, that is to say internally containing a charge causing the projectile to explode upon impact.
  • IT can be envisaged to use the combination of these two characteristics to constitute a shell or projectile capable of meeting the objective of precise destruction capacity, at long distance, of a armored target.
  • the object of the invention is to meet the objective thus posed by proposing a new projectile particularly designed to possess the characteristics of precision of shooting of a penetrating projectile and the characteristics of a final effectiveness. important, without necessarily implementing The presence of an on-board explosive charge.
  • the projectiLe according to the invention is characterized in that it comprises means for fragmenting the body during the impact comprising a blind bore delimited by the body and occupied by a mass of compression material subjecting said body to a fragmentation preload.
  • the single figure is a sectional elevation of the object of the invention.
  • the projectile as shown, comprises a body 1 made of a dense material, such as, for example, sintered tungsten, depleted uranium, tungsten carbide.
  • the body 1 is produced in the usual way in length and in size and has an axis of longitudinal symmetry or, again, of revolution x-x *.
  • the body 1 is associated with a piercing head 2, also made of a dense material, such as for example a treated steel.
  • the head 2 is enveloped and covered by a ballistic cap 3 made of a malleable material having a good characteristic of penetration into the air by its shape and its nature, for example in light alloy or in copper alloy.
  • the ballistic cap 3 can be mounted by crimping or shrinking on the body 1 capable of then presenting a low-cut front part or directly on the head 2 when the latter is made integral, by any appropriate means, with the body 1, as is case of the object represented.
  • the body 1 and the head 2 are linked by a mechanical connection 4 which comprises, in a preferred, but non-limiting embodiment, a threaded end portion 6 extending from the rear face 7 of the head 2, presenting a diameter which may be equal to or less than that of the latter.
  • the mechanical connection also comprises a thread 8 which is formed from the front part 1_a of the body 1, at the entrance to a cylindrical bore 9 made axially and blind in the body 1.
  • the thread 8 is produced in a complementary manner to thread 6, so as to allow a connection by traditional screwing of steps to the right or to the left, indifferently.
  • the body 1 it is planned to subject the body 1 to a fragmentation preload which is provided by taking advantage of the presence of the bore 9 intended to be occupied by a mass 10 of compression-preload.
  • a first means consists in using, to constitute the mass, a co primable plastic material, that is to say having the characteristic of remaining compressed after compression.
  • a co primable plastic material may consist of a metal powder, a mass of chips, a pyrotechnic powder composition, etc.
  • Such a material is compressed in the bore 9 to occupy, if not all, at least the major part.
  • This compression is applied so as to generate a prestress of the body 1, either only radial, or radial and axial, chosen, in all cases, so that the mechanical strength of the body is preserved.
  • the total prestress must therefore be in a range such that the maximum value respects the initial integrity of the body 1, but that the minimum value is sufficient to improve the fragmentation of said body on impact.
  • Eo 2 _ defines the value of the conventional elastic limit of the material of body 1, i.e. the value of the stress giving a permanent deformation of 0.2% of said material.
  • a material 10 of ⁇ tungsten powder compressed between 600 and 800 Pa in a body 1 of sintered tungsten is satisfactory.
  • Rm represents the breaking strength of the material of the body 1.
  • the compression of the material 10 is carried out, after which the head 2 is mounted to close the bore 9 to ensure, preferably, directly by an external extension or by means of an independent piston 11 , contact with the compressed material.
  • a second implementation variant consists in using an elastically compressible material, such as an elastomer.
  • the prestressing is obtained by the composition of a radial prestressing and an axial prestressing, the radial prestressing being a consequence of the radial deformation of the rubber subjected to an axial force.
  • Another variant consists in using an incompressible material, such as balls, rollers, pallets, rollers, cylinders.
  • the fragmentation preload is then only of the axial type and is applied to the body 1 by mounting the screwed head 2.
  • Such axial prestressing is preferably between:
  • the projectile according to the invention is subjected. During its impact on the target, a release from the prior constraint (s) which are imposed on it by manufacturing. The shock wave promotes the release of these constraints, which increases the speed and the fragmentation capacity of the body 1 which produces a number of shards and a greater burst of shards than in the case where it would be, by mounting prior, devoid of the initial constraints.
  • the body 1 may include areas of least resistance, either axial or, preferably, transverse, as shown in dashed lines and designated by the references 12.
  • An improvement in the fragmentation can also be obtained by using, in addition to the axial and / or radial prestressing, a pyrotechnic charge 10 whose explosion is caused by the impact.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Munition. Le projectile perforant, fragmentable, du type comprenant un corps (1) en un matériau dense, une tête (2) également en un matériau dense, ainsi que des moyens de fragmentation du corps lors de l'impact, est caractérisé en ce que lesdits moyens comprennent un alésage borgne (9) délimité par le corps et occupé par une masse (10) de matériau de compression soumettant ledit corps à une précontrainte de fragmentation. Application aux projectiles sous-calibrés.Ammunition. The piercing, fragmentable projectile, of the type comprising a body (1) of dense material, a head (2) also of dense material, as well as means of fragmenting the body upon impact, is characterized in that said means comprise a blind bore (9) delimited by the body and occupied by a mass (10) of compression material subjecting said body to a fragmentation preload. Application to sub-calibrated projectiles.

Description

PROJECTILE PERFORANT ET FRAGMENTABLEPERFORATING AND FRAGMENTABLE PROJECTILE
La présente invention est relative au domaine tecπnique des projectiLes utiLisés pour La destruction, à distance, d'une cibLe queLconque, pLus généraLement à caractère bLindé. La présente invention est reLative aux projectiLes au t.ype perforant.The present invention relates to the technical field of projectiles used for the remote destruction of a random target, generally more of a shielded nature. The present invention relates to projectiles of the perforating type.
La destruction d'une cibLe à grande distance et, pLus particuLièrement, d'une cibLe blindée, nécessite une grande précision de tir, ainsi qu'une efficacité terminaLe importante. La grande précision de tir peut être obtenue en ayant recours à des projectiLes, par exe pLe du type sous-caLibré et perforant, déveLoppant, par Leur construction, une énergie d'impact éLevée, tout en offrant une précision de tir remarαuaoLe Lors de La trajectoire baListique extérieure. L'efficacité terminaLe de destruction peut être ootenue en ayant recours à un projecti e à caractère expLosif, c'est-à-αire contenant intérieurement une charge provoquant L'explosion du projectiLe au moment de L'impact.The destruction of a target at a long distance and, more particularly, of an armored target, requires great precision in firing, as well as significant terminal efficiency. The high shooting precision can be obtained by using projectiles, for example, of the sub-caliber and perforating type, developing, by their construction, a high impact energy, while offering remarkable shooting precision during the exterior ballistic trajectory. The final destruction efficiency can be maintained by using an explosive projectile, that is to say internally containing a charge causing the projectile to explode upon impact.
IL peut être envisagé d'avoir recours à La combinaison de ces deux caractéristiques pour constituer un obus ou un projectiLe à même de répondre à L'objectif de capacité de destruction précise, à grande distance, d'une cibLe bLindée.IT can be envisaged to use the combination of these two characteristics to constitute a shell or projectile capable of meeting the objective of precise destruction capacity, at long distance, of a armored target.
Toutefois, La réaLisation d'un projectiLe aLLiant ces deux caractéristiques est certainement d'un prix de revient relativement élevé et implique de manipuler, lors de la fabrication, une charge explosive qu'il convient de contrôler strictement pour éviter Les explosions intempestives.However, the production of a projectile combining these two characteristics is certainly a relatively high cost price and involves handling, during manufacturing, an explosive charge which should be strictly controlled to avoid untimely explosions.
La présence d'une telle charge pose, d'ailleurs, Les mêmes problèmes pour le stockage, la manipulation, la mise en place des projectiles dans ou sur les installations chargées de les ti rer.The presence of such a charge poses, moreover, the same problems for the storage, handling, placement of projectiles in or on the installations responsible for firing them.
L'objet de l'invention est de répondre à L'objectif ainsi posé en proposant un nouveau projectiLe particulièrement conçu pour posséder les caractéristiques de précision de tir d'un projectile perforant et les caractéristiques d'une efficacité terminaLe importante, sans mettre obligatoirement en oeuvre La présence d'une charge explosive embarquée.The object of the invention is to meet the objective thus posed by proposing a new projectile particularly designed to possess the characteristics of precision of shooting of a penetrating projectile and the characteristics of a final effectiveness. important, without necessarily implementing The presence of an on-board explosive charge.
Pour atteindre les objectifs ci-des_sus, le projectiLe selon l'invention est caractérisé en ce qu'il comporte des moyens de fragmentation du corps lors de L'impact comprenant un alésage borgne délimité par Le corps et occupé par une masse de matériau de compression soumettant Ledit corps à une précontrainte de fragmentation.To achieve the above objectives, the projectiLe according to the invention is characterized in that it comprises means for fragmenting the body during the impact comprising a blind bore delimited by the body and occupied by a mass of compression material subjecting said body to a fragmentation preload.
Diverses autres caractéristiques ressortent de la description faite ci-dessous en référence au dessin annexé qui montre, à titre d'exemple non limitatif, une forme de réalisation de L'objet de L'invention.Various other characteristics will emerge from the description given below with reference to the appended drawing which shows, by way of nonlimiting example, an embodiment of the object of the invention.
La figure unique est une coupe-élévation de L'objet de l ' invention. Le projectile, tel que représenté, comprend un corps 1 réalisé en un matériau dense, tel que, par exemple, en tungstène fritte, uranium appauvri, carbure de tungstène.The single figure is a sectional elevation of the object of the invention. The projectile, as shown, comprises a body 1 made of a dense material, such as, for example, sintered tungsten, depleted uranium, tungsten carbide.
Le corps 1 est réalisé de façon habituelle en longueur et en calibre et présente un axe de symétrie longitudinal ou, encore, de révolution x-x* .The body 1 is produced in the usual way in length and in size and has an axis of longitudinal symmetry or, again, of revolution x-x *.
Le corps 1 est associé à une tête perforante 2, réalisée également en un matériau dense, tel par exemple qu'un acier traité. La tête 2 est enveloppée et recouverte par une coiffe balistique 3 réalisée en un matériau malléable présentant une bonne caractéristique de pénétration dans l'air par sa forme et sa nature, par exemple en alliage léger ou en alliage cuivreux. La coiffe balistique 3 peut être montée par sertissage ou frettage sur le corps 1 à même de présenter alors une partie antérieure décolletée ou directement sur la tête 2 lorsque cette dernière est rendue solidaire, par tout moyen approprié, du corps 1, comme cela est le cas de l'objet représenté.The body 1 is associated with a piercing head 2, also made of a dense material, such as for example a treated steel. The head 2 is enveloped and covered by a ballistic cap 3 made of a malleable material having a good characteristic of penetration into the air by its shape and its nature, for example in light alloy or in copper alloy. The ballistic cap 3 can be mounted by crimping or shrinking on the body 1 capable of then presenting a low-cut front part or directly on the head 2 when the latter is made integral, by any appropriate means, with the body 1, as is case of the object represented.
Le corps 1 et la tête 2 sont Liés par une liaison mécanique 4 qui comprend, dans une forme de réalisation préférée, mais non limitative, une partie terminale filetée 6 s'étendant, à partir de la face arrière 7 de la tête 2, en présentant un diamètre qui peut être égal ou inférieur à celui de cette dernière. La Liaison mécanique comprend, par ailleurs, un taraudage 8 qui est ménagé, à partir αe la partie antérieure 1_a du corps 1, à L'entrée d'un alésage cylindrique 9 pratiqué de façon axiale et borgne dans le corps 1. Le taraudage 8 est réalisé de façon complémentaire au filetage 6, de manière à permettre une Liaison par vissage traditionnel de pas à droite ou à gauche, indifféremment .The body 1 and the head 2 are linked by a mechanical connection 4 which comprises, in a preferred, but non-limiting embodiment, a threaded end portion 6 extending from the rear face 7 of the head 2, presenting a diameter which may be equal to or less than that of the latter. The mechanical connection also comprises a thread 8 which is formed from the front part 1_a of the body 1, at the entrance to a cylindrical bore 9 made axially and blind in the body 1. The thread 8 is produced in a complementary manner to thread 6, so as to allow a connection by traditional screwing of steps to the right or to the left, indifferently.
Selon L'invention, il est prévu de soumettre le corps 1 à une précontrainte de fragmentation qui est apportée en mettant à profit la présence de l'alésage 9 prévu pour être occupé par une masse 10 de compression-précontrainte.According to the invention, it is planned to subject the body 1 to a fragmentation preload which is provided by taking advantage of the presence of the bore 9 intended to be occupied by a mass 10 of compression-preload.
Différents moyens de précontrainte de fragmentation peuvent être retenus à partir de la masse 10. Un premier moyen consiste à mettre en oeuvre, pour constituer La masse, un matériau co primable plastique, c'est-à-dire présentant la caractéristique de rester comprimé après compression. Un tel matériau peut être constitué par une poudre métallique, une masse de copeaux, une composition pulvérulente pyrotechnique, etc. Un tel matériau est comprimé dans l'alésage 9 pour en occuper, sinon la totalité, du moins La majeure partie. Cette compression est appliquée de manière à générer une précontrainte du corps 1, soit uniquement radiale, soit radiale et axiale, choisie, dans tous les cas, pour que la tenue mécanique du corps soit préservée. La précontrainte totale devra donc se situer dans une plage telle que la valeur maximale respecte l'intégrité initiale du corps 1, mais que la valeur minimale soit suffisante pour améliorer la fragmentation dudit corps à l'impact.Different means of prestressing fragmentation can be retained from the mass 10. A first means consists in using, to constitute the mass, a co primable plastic material, that is to say having the characteristic of remaining compressed after compression. Such a material may consist of a metal powder, a mass of chips, a pyrotechnic powder composition, etc. Such a material is compressed in the bore 9 to occupy, if not all, at least the major part. This compression is applied so as to generate a prestress of the body 1, either only radial, or radial and axial, chosen, in all cases, so that the mechanical strength of the body is preserved. The total prestress must therefore be in a range such that the maximum value respects the initial integrity of the body 1, but that the minimum value is sufficient to improve the fragmentation of said body on impact.
Il peut être considéré que la précontrainte totale appliquée au corps doit être comprise entre :It can be considered that the total prestress applied to the body must be between:
0,1 x Eo,2 Z et 0, x Eo,2 _0.1 x Eo, 2 Z and 0, x Eo, 2 _
où Eo,2 _ définit la valeur de la limite d'élasticité conventionnelle du matériau du corps 1, c'est-à-dire la valeur de la contrainte donnant une déformation permanente de 0,2 % dudit matériau.where Eo, 2 _ defines the value of the conventional elastic limit of the material of body 1, i.e. the value of the stress giving a permanent deformation of 0.2% of said material.
A titre d'exempLe, un matériau 10 en poudre αe tungstène comprimée entre 600 et 800 Pa dans un corps 1 en tungstène fritte donne satisfaction.By way of example, a material 10 of α tungsten powder compressed between 600 and 800 Pa in a body 1 of sintered tungsten is satisfactory.
Il peut aussi être retenu de soumettre le matériau 10 ainsi comprimé à une précontrainte axiale de l'ordre de :It can also be chosen to subject the material 10 thus compressed to an axial prestress of the order of:
Rm 3,5 où Rm représente la résistance à la rupture du matériau du corps 1.Rm 3.5 where Rm represents the breaking strength of the material of the body 1.
Dans cette première mise en oeuvre, La compression du matériau 10 est effectuée, après quoi la tête 2 est montée pour fermer l'alésage 9 pour assurer, de préférence, directement par un prolongement extérieur ou par l'intermédiaire d'un piston 11 indépendant, un contact avec le matériau 10 comprimé.In this first implementation, the compression of the material 10 is carried out, after which the head 2 is mounted to close the bore 9 to ensure, preferably, directly by an external extension or by means of an independent piston 11 , contact with the compressed material.
Une seconde variante de mise en oeuvre consiste à utiliser un matériau 10 comprimable élastiquement, tel qu'un élastomère. Dans un tel cas, la précontrainte est obtenue par la composition d'une précontrainte radiale et d'une précontrainte axiale, la précontrainte radiale étant une conséquence de la déformation radiale du caoutchouc soumis à un effort axial.A second implementation variant consists in using an elastically compressible material, such as an elastomer. In such a case, the prestressing is obtained by the composition of a radial prestressing and an axial prestressing, the radial prestressing being a consequence of the radial deformation of the rubber subjected to an axial force.
La précontrainte totale doit encore se trouver dans le domaine défini précédemment. Une telle précontrainte est alors, avantageusement, appliquée par l'intermédiaire de la tête 2 de type vissé.The total prestressing must still be in the area defined above. Such preload is then advantageously applied via the head 2 of the screw type.
Une autre variante consiste à mettre en oeuvre un matériau 10 incompressible, tel que des billes, des galets, des palettes, des rouleaux, des cylindres. La précontrainte de fragmentation est alors uniquement du type axial et se trouve appliquée au corps 1 par Le montage de La tête 2 vissé. Une telle précontrainte axiale est, de préférence, comprise entre :Another variant consists in using an incompressible material, such as balls, rollers, pallets, rollers, cylinders. The fragmentation preload is then only of the axial type and is applied to the body 1 by mounting the screwed head 2. Such axial prestressing is preferably between:
Rm . Rm 375 et 3" Le projectile selon L'invention subit. Lors de son impact sur La cible, une libération de la ou des contraintes préalables qui Lui .sont imposées par fabrication. L'onde de choc favorise La libération de ces contraintes, ce qui augmente la vitesse et La capacité de fragmentation du corps 1 qui produit un nombre d'éclats et une gerbe d'éclats plus important que dans le cas où il serait, par montage préalable, dépourvu des contraintes initiales.Rm. Rm 375 and 3 " The projectile according to the invention is subjected. During its impact on the target, a release from the prior constraint (s) which are imposed on it by manufacturing. The shock wave promotes the release of these constraints, which increases the speed and the fragmentation capacity of the body 1 which produces a number of shards and a greater burst of shards than in the case where it would be, by mounting prior, devoid of the initial constraints.
Pour améliorer la fragmentation, Le corps 1 peut comporter des zones de moindre résistance, soit axiales, soit, de préférence, transversales, tel que cela est représenté en traits mixtes et désigné par Les références 12.To improve the fragmentation, the body 1 may include areas of least resistance, either axial or, preferably, transverse, as shown in dashed lines and designated by the references 12.
Une amélioration de la fragmentation peut aussi être obtenue en mettant en oeuvre, en plus de la précontrainte axiale et/ou radiale, une charge pyrotechnique 10 dont l'explosion est provoquée par l'impact.An improvement in the fragmentation can also be obtained by using, in addition to the axial and / or radial prestressing, a pyrotechnic charge 10 whose explosion is caused by the impact.
L'invention n'est pas limitée à l'exemple décrit et représenté, car diverses modifications peuvent y être apportées sans sortir de son cadre. L'invention trouve une application intéressante aux projectiles sous-calibrés. The invention is not limited to the example described and shown, since various modifications can be made thereto without departing from its scope. The invention finds an interesting application to sub-calibrated projectiles.

Claims

REVENDICATIONS :CLAIMS:
1 - ProjectiLe perforant, frag entable, du type comprenant un corps (1) en un matériau dense, une tête (2) également en un matériau αense, ainsi que des moyens de fragmentation du corps lors de l'impact, caractérisé en ce que lesdits moyens comprennent un alésage borgne délimité Dar le corps et occupé par une masse (10) de matériau de compression soumettant ledit corps à une précontrainte de fragmentation. 2 - Projectile selon La revendication 1, caractérisé en ce que la masse de matériau soumet le corps (1) à une précontrainte αe fragmentation selon au moins une direction axiale.1 - ProjectiLe perforating, frag entable, of the type comprising a body (1) of dense material, a head (2) also of αense material, as well as means of fragmentation of the body upon impact, characterized in that said means comprise a blind bore delimited by the body and occupied by a mass (10) of compression material subjecting said body to a preload of fragmentation. 2 - Projectile according to claim 1, characterized in that the mass of material subjects the body (1) to a prestress αe fragmentation in at least one axial direction.
3 - Projectile selon la revendication 1 ou 2, caractérisé en ce que la précontrainte de fragmentation est comprise entre3 - Projectile according to claim 1 or 2, characterized in that the fragmentation preload is between
0,1 x Eo,2 X et 0,4 x Eo,2 Z.0.1 x Eo, 2 X and 0.4 x Eo, 2 Z.
4 - ProjectiLe selon la revendication 1, 2 ou 3, caractérisé en ce que la masse C10) est constituée par des matériaux comprimables à caractère plastique, comprimés au préalable dans l'alésage et maintenus dans ce dernier par la présence d'une tête (2) adaptée sur le corps et recouverte d'une coiffe balistique (3).4 - ProjectiLe according to claim 1, 2 or 3, characterized in that the mass C10) is constituted by compressible materials of a plastic nature, compressed beforehand in the bore and maintained in the latter by the presence of a head ( 2) fitted to the body and covered with a ballistic cap (3).
5 - ProjectiLe selon La revendication 1, 2 ou 3, caractérisé en ce que La masse (10) est constituée par des matériaux comorimabLes à caractère élastique comprimés dans l'alésage par L'intermédiaire d'une tête (2) adaptée sur le corps (1) et recouvrte par une coiffe balistique (3).5 - ProjectiLe according to claim 1, 2 or 3, characterized in that the mass (10) consists of comorimabLes materials of elastic character compressed in the bore by means of a head (2) adapted to the body (1) and covered with a ballistic cap (3).
6 - ProjectiLe selon la revendication 1, 2 ou 3, caractérisé en ce que la masse (10) est constituée par des matériaux incomprimabLes exerçant une précontrainte axiale sur le corps par l'intermédiaire d'une tête (2) adaptée sur le corps et recouverte d'une coiffe balistique (3).6 - ProjectiLe according to claim 1, 2 or 3, characterized in that the mass (10) consists of incomprimabLes materials exerting an axial prestress on the body via a head (2) adapted on the body and covered with a ballistic cap (3).
7 - Projectile selon la revendication 6, caractérisé en ce que •la précon_t__rain.t_.e axi•aιle es mt comprise en mtre -*—m^- e _t -Rym- 8 - Projectile selon l'une des revendications 5 à 7, caractérisé en ce que La tête (2) est montée par vissage sur le corps pour pénétrer dans L'alésage (9) par un prolongement postérieur (11).7 - Projectile according to claim 6, characterized in that • the pren_t__rain.t_.e axi • aιle es mt included in meter - * —m ^ - e _t -Rym- 8 - Projectile according to one of claims 5 to 7 , characterized in that the head (2) is mounted by screwing on the body to enter the bore (9) by a posterior extension (11).
9 - ProjectiLe selon L'une des revendications précédentes, caractérisé en ce que Le corps comporte des zones de moindre résistance. 9 - ProjectiLe according to one of the preceding claims, characterized in that the body has areas of least resistance.
EP92906731A 1991-02-28 1992-02-17 Armour-piercing fragmentation projectile Expired - Lifetime EP0527218B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9102386 1991-02-28
FR9102386A FR2673461B1 (en) 1991-02-28 1991-02-28 PERFORATING AND FRAGMENTABLE PROJECTILE.
PCT/FR1992/000153 WO1992015836A1 (en) 1991-02-28 1992-02-17 Armour-piercing fragmentation projectile

Publications (2)

Publication Number Publication Date
EP0527218A1 true EP0527218A1 (en) 1993-02-17
EP0527218B1 EP0527218B1 (en) 1996-09-11

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Application Number Title Priority Date Filing Date
EP92906731A Expired - Lifetime EP0527218B1 (en) 1991-02-28 1992-02-17 Armour-piercing fragmentation projectile

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EP (1) EP0527218B1 (en)
CA (1) CA2080469C (en)
DE (1) DE69213612T2 (en)
ES (1) ES2092101T3 (en)
FR (1) FR2673461B1 (en)
WO (1) WO1992015836A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756374B1 (en) * 1996-11-28 1999-01-08 Inst Franco Allemand De Rech D KINETIC PROJECTILE WITH INCREASED LATERAL EFFECT
DE19700349C2 (en) 1997-01-08 2002-02-07 Futurtec Ag Missile or warhead to fight armored targets
FR2817337B1 (en) * 2000-11-24 2004-06-18 Jean Pierre Denis AMMUNITION COMPRISING A PROJECTILE IN THE FORM OF AN ARROW, A HAMMER AND AN ENVELOPE RECEIVING THIS SET
DE102004005042B4 (en) * 2004-01-30 2008-04-03 Rwm Schweiz Ag Universal KE bullet, especially for mid-caliber munitions
US7503261B2 (en) 2004-01-30 2009-03-17 Oerlikon Cantraves Pyrotec Ag Universal KE projectile, in particular for medium caliber munitions
DE102006025330A1 (en) 2006-05-31 2007-12-06 WEIHRAUCH, Günter Projectile, active body or warhead for combating massive, structured and planar targets
FR2915563B1 (en) 2007-04-30 2010-10-15 Nexter Munitions FLASH GENERATOR PROJECTILE
FR2917492B1 (en) 2007-06-18 2011-03-18 Nexter Munitions FLASH GENERATOR PROJECTILE
DE102018104333A1 (en) 2018-02-26 2019-08-29 Rwm Schweiz Ag Projectile with pyrotechnic active charge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189621378A (en) * 1896-09-26 1897-08-07 John Brokenshire Furneaux Improvements in Apparatus for Distributing Steam or other Motive Fluid in Fluid Pressure Engines.
US1709414A (en) * 1927-02-02 1929-04-16 Stendebach Friedrich Projectile
DE2757666A1 (en) * 1977-12-23 1979-06-28 Rheinmetall Gmbh DECELERATION FLOOR
DE3036463A1 (en) * 1980-09-27 1985-12-19 Rheinmetall GmbH, 4000 Düsseldorf TARGET-BREAKING RIFLE BULLET
DE3802002A1 (en) * 1988-01-25 1989-08-10 Kaltmann Hans Joachim Projectile without any detonator or explosive, for weapons with barrels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9215836A1 *

Also Published As

Publication number Publication date
WO1992015836A1 (en) 1992-09-17
CA2080469C (en) 1999-03-16
DE69213612T2 (en) 1997-01-30
FR2673461B1 (en) 1993-05-07
DE69213612D1 (en) 1996-10-17
FR2673461A1 (en) 1992-09-04
CA2080469A1 (en) 1992-08-29
EP0527218B1 (en) 1996-09-11
ES2092101T3 (en) 1996-11-16

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