EP0694755B1 - Projectile explosif - Google Patents
Projectile explosif Download PDFInfo
- Publication number
- EP0694755B1 EP0694755B1 EP95401646A EP95401646A EP0694755B1 EP 0694755 B1 EP0694755 B1 EP 0694755B1 EP 95401646 A EP95401646 A EP 95401646A EP 95401646 A EP95401646 A EP 95401646A EP 0694755 B1 EP0694755 B1 EP 0694755B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- projectile according
- explosive
- intermediate charge
- projectile
- aggregate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 59
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 239000007800 oxidant agent Substances 0.000 claims abstract description 10
- 239000004429 Calibre Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 58
- 230000037452 priming Effects 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- ISFLYIRWQDJPDR-UHFFFAOYSA-L barium chlorate Chemical compound [Ba+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O ISFLYIRWQDJPDR-UHFFFAOYSA-L 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 206010041662 Splinter Diseases 0.000 claims description 6
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000000028 HMX Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- UZGLIIJVICEWHF-UHFFFAOYSA-N octogen Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UZGLIIJVICEWHF-UHFFFAOYSA-N 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052770 Uranium Inorganic materials 0.000 claims description 3
- OOULUYZFLXDWDQ-UHFFFAOYSA-L barium perchlorate Chemical compound [Ba+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O OOULUYZFLXDWDQ-UHFFFAOYSA-L 0.000 claims description 3
- ZJRXSAYFZMGQFP-UHFFFAOYSA-N barium peroxide Chemical compound [Ba+2].[O-][O-] ZJRXSAYFZMGQFP-UHFFFAOYSA-N 0.000 claims description 3
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001487 potassium perchlorate Inorganic materials 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000008240 homogeneous mixture Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 235000010333 potassium nitrate Nutrition 0.000 claims description 2
- 239000004323 potassium nitrate Substances 0.000 claims description 2
- 238000005496 tempering Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 4
- 239000001995 intermetallic alloy Substances 0.000 claims 1
- 239000002655 kraft paper Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 abstract description 7
- 230000000977 initiatory effect Effects 0.000 description 20
- 239000002245 particle Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- 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
- F42B12/20—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
- F42B12/208—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 a plurality of charges within a single high explosive warhead
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/44—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of incendiary type
Definitions
- the field of the present invention is that of explosive projectiles, including projectiles medium caliber explosives, which are initiated on impact by a pyrotechnic rocket comprising at least one composition incendiary disposed in a deformable warhead.
- This delay leads to a decrease in close effects on the target in relation to the firing point (impact on target), and a slow revving.
- Patent US4237787 describes a projectile comprising a fragment-generating body inside which a explosive and / or incendiary charge initiated by a means priming.
- An incendiary composition is arranged in its warhead and it is initiated on impact on a target.
- the composition arranged in the body is initiated by the warhead composition after rupture of the projectile on the target, so after a delay difficult to master.
- the invention makes it possible to significantly improve the operation of projectiles initiated on impact by a pyrotechnic rocket comprising at least one composition incendiary placed in a deformable warhead.
- the invention is also applicable to projectiles initiated by a conventional rocket (mechanical or electronic) with a primer ensuring a firing by thermal effect (generation of a hot plasma). She also allows in this case to improve the initiation of explosive charge, ensuring faster switching to mode explosive.
- the subject of the invention is an explosive projectile, including medium caliber projectile, comprising a body chip generator inside which is placed a explosive and / or incendiary charge initiated by a means priming, characterized in that it includes a charge intermediate disposed between the priming means and the explosive charge consisting of a mixture of an explosive and a first pyrotechnic composition comprising the combination of at least one oxidant and at least one reducer.
- Such an arrangement provides a means of initiation at increased sensitivity favoring the rapid initiation of explosive charge.
- the intermediate charge will for example comprise a mixture homogeneous from 20 to 70% by mass of first composition pyrotechnic and from 80% to 30% by mass of explosive.
- the explosive of the intermediate charge include a secondary explosive combined with a powder metallic.
- the explosive of the intermediate charge may for example contain 70 to 90% by mass of secondary explosive, 10 to 30% metallic powder, 0 to 3% binder.
- the metal powder is a powder aluminum particle size between 300 and 500 micrometers.
- the first pyrotechnic composition of the intermediate charge comprises 40% to 80% by mass of oxidant and 60% to 20% by mass of reducing agent.
- the oxidant will be chosen from the compounds or their mixtures: Barium Nitrate, Potassium, Barium Chlorate, Potassium Perchlorate, Barium perchlorate, Barium peroxide.
- the reducing agent will be chosen from among the compounds following, their intermetallic mixtures or alloys: aluminum powder, magnesium powder, uranium powder, silicon powder.
- the explosive charge has at least one axial cavity into which the intermediate load enters, cavity intended to increase the contact surface between the explosive charge and intermediate charge.
- Such a configuration by increasing the surfaces of contact between intermediate load and load explosive, reduces the initiation delay of the explosive charge.
- the intermediate load can be placed in bulk or slightly packed in the axial cavity.
- the intermediate charge can also be poured or compressed and will include at least one axial hole arranged in look at the priming means.
- This configuration increases the contact surfaces between the intermediate charge and the plasma supplied by the means of initiation, which also makes it possible to reduce the delay of initiating the explosive charge.
- a second composition pyrotechnic is placed in the axial hole (s) of the intermediate load.
- This second pyrotechnic composition is advantageously laid loose or loosely packed in the hole (s) axial.
- the presence of a loose composition also allows increase the contact surface between the plasma and the second pyrotechnic composition.
- the second pyrotechnic composition has the same formulation as the intermediate load.
- a screen made of combustible material is interposed between the means priming and intermediate load.
- the presence of a screen ensures confinement which allows a rise in pressure of the plasma originating from the initiation means.
- the screen also improves the security of the projectile by preventing any contact between particles of the composition intermediate and the priming means.
- the screen will have a thickness of between 0.05 and 0.3mm and it will be made of nitrofilm, propellant or craft paper.
- the screen has a form of disc, or it has at least one penetrating concave zone at least partially in the axial hole (s) of the intermediate load.
- the splinter-generating body will advantageously have undergone a structural treatment favoring the formation of splinters, for example quenching and tempering, electron bombardment or localized heating by laser.
- the priming means consists of a pyrotechnic rocket comprising at less an incendiary composition arranged in a warhead deformable.
- a projectile 1 comprises a metal body 2 bearing at its rear part a belt 3 and at its front part a means ignition 4, consisting of a pyrotechnic rocket attached to the body by thread.
- the pyrotechnic rocket has two compositions incendiary 5a, 5b arranged in a deformable warhead 6. Such a rocket is described in detail in the patent FR9009111 and its structure will not be specified further here.
- Body 2 made of steel or aluminum, will have preferably undergone a structural treatment favoring the splintering, for example quenching followed by income, electronic bombardment or overheating located by laser. Bombing and warm-ups will be performed on longitudinal and circular generators in order to define a mesh of the desired flakes (such process is described in patent FR7829211).
- Body 2 could also have splinters preformed.
- Body 2 of the projectile contains an explosive charge 7 of known type, comprising for example an explosive secondary like hexogen or octogen, and which may advantageously include a metal powder charge (like aluminum) to strengthen its pyrophoric capacities (such mixtures combining hexogen or octogen with aluminum are marketed respectively under the names of Hexal or Octal).
- an explosive charge 7 of known type, comprising for example an explosive secondary like hexogen or octogen, and which may advantageously include a metal powder charge (like aluminum) to strengthen its pyrophoric capacities (such mixtures combining hexogen or octogen with aluminum are marketed respectively under the names of Hexal or Octal).
- the explosive charge will be set up by casting, compression or injection.
- An axial cavity 8 will be provided at its upper part cylindrical. In the case of formatting by compression it will suffice to use for the last step of compression a punch having an appropriate shape.
- the height and diameter of the cavity will be understood usually between half and one sixth of the diameter of the bore 2a of the body 2.
- the body 2 also contains an intermediate charge 9 disposed between the priming means 4 and the load explosive 7.
- This intermediate charge consists of a mixture an explosive and a first pyrotechnic composition involving the combination of at least one oxidant and at least a reducer.
- the explosive may be a secondary explosive known as hexogen or octogen or an explosive charged with a metallic powder such as aluminum (Hexal or Octal).
- the first pyrotechnic composition will include example 40% to 80% by mass of oxidant and 60% to 20% by mass reducer.
- this composition is to facilitate initiation of the secondary explosive with which it is mixed. This initiation results from a significant rise in the temperature, passing the speed of movement of the wavefront from a lower speed 2000m / s to another greater than 2000m / s, and thus causing a detonation of all or part of the secondary explosive.
- the oxidant can be chosen from the following compounds or their mixtures: Barium Nitrate, Potassium Nitrate, Barium Chlorate, Potassium Perchlorate, Perchlorate Barium, Barium Peroxide.
- reducing agent from the compounds following, their intermetallic mixtures or alloys: aluminum powder, magnesium powder, uranium powder, silicon powder.
- An intermediate charge comprising 30% to 70% by mass of this composition mixed with 70% to 30% by mass of Hexal is particularly well suited for initiating an explosive Hexal type.
- the intermediate load can be set up by casting or compression. It will fill the axial cavity 8 of the explosive charge.
- the intermediate load 9 has an axial hole 10 which is arranged opposite the initiating means 4 and which has here substantially the same diameter as the cavity 8.
- This hole 10 could for example be obtained during the compression of the intermediate load 9 by means of a punch of particular shape.
- This hole is to increase the surface of the charge 9 which will be subjected to the plasma generated by the means priming.
- the height and diameter of hole 10 will be included usually between half and one sixth of the diameter of the bore 2a of the body 2.
- a screen 11 made of combustible material is placed on the intermediate load 9.
- This screen may for example be made of nitrofilm, nitrocellulose, propellant or craft paper.
- the screen is kept pinched between the underside 13 of the priming means 4 and a shoulder 12 of the body 2.
- This screen isolates the intermediate load 9 from the means boot 4. It provides temporary containment which increases the plasma pressure (hot gases and glowing particles) from the initiation means 4.
- a screen thickness included between 0.05 and 0.3mm.
- the screen 11 improves also the security of the projectile by preventing any contact between particles detached from intermediate charge 9 and the priming means 4 (particles which can detach as a result of storage, transport and updating constraints projectile post).
- this concave shape ensures the confinement of the ignition plasma inside of it.
- the charging 9 is thus ignited in a way homogeneous over the entire surface of the hole which increases reliability and reproducibility of ignition.
- FIG. 2 represents another embodiment of a projectile according to the invention.
- This mode differs from the previous one in that the hole 10 is completely filled with a second pyrotechnic composition 15 arranged in bulk.
- This pyrotechnic composition 15 is chosen with a identical formulation to that of the intermediate charge 9.
- Such an arrangement makes it possible to increase the surface of contact between the plasma generated by the initiating means and the second pyrotechnic composition, which allows to obtain an intermediate load 9 delay even shorter.
- the screen 11 has the shape of a flat disc pinched between the lower face 13 of the means priming 4 and the shoulder 12 of the body 2.
- the second composition 15 another formulation than that of the intermediate load 9.
- a composition more or less sensitive to flame It is so possible to precisely set the ignition time of the intermediate load.
- the invention can also be implemented when the means of initiation is of a different nature, for example when it is constituted by a mechanical rocket or electronic device comprising a primer ensuring ignition by thermal effect (generation of a hot plasma). We then ensures initiation of the loading explosive in detonating regime from a thermal explosion effect supplied by the priming means as indicated above.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Toys (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Dental Preparations (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Description
- la figure 1 est une vue en coupe longitudinale d'un projectile suivant un premier mode de réalisation de l'invention,
- la figure 2 est une vue en coupe longitudinale d'un projectile suivant un deuxième mode de réalisation de l'invention.
Claims (22)
- Projectile explosif (1), notamment projectile de moyen calibre, comprenant un corps (2) générateur d'éclats à l'intérieur duquel est disposé un chargement (7) explosif et/ou incendiaire initié par un moyen d'amorçage (4), caractérisé en ce qu'il comporte une charge intermédiaire (9) disposée entre le moyen d'amorçage (4) et le chargement explosif (7) et constituée d'un mélange d'un explosif et d'une première composition pyrotechnique comportant l'association d'au moins un oxydant et d'au moins un réducteur.
- Projectile selon la revendication 1, caractérisé en ce que la charge intermédiaire (9) comprend un mélange homogène de 20 à 70% en masse de première composition pyrotechnique et de 80% à 30% en masse d'explosif.
- Projectile selon une des revendications 1 ou 2, caractérisé en ce que l'explosif de la charge intermédiaire (9) comporte un explosif secondaire associé à une poudre métallique.
- Projectile selon la revendication 3, caractérisé en ce que l'explosif de la charge intermédiaire (9) comporte 70 à 90% en masse d'explosif secondaire, 10 à 30% de poudre métallique, 0 à 3% de liant.
- Projectile selon la revendication 4, caractérisé en ce que l'explosif secondaire de la charge intermédiaire (9) est choisi parmi les composés suivants: Hexogène, Octogène.
- Projectile selon une des revendications 4 ou 5, caractérisé en ce que la poudre métallique est une poudre d'aluminium de granulomètrie comprise entre 300 et 500 micromètres.
- Projectile selon une des revendications 1 à 6, caractérisé en ce que la première composition pyrotechnique de la charge intermédiaire (9) comprend 40% à 80% en masse d'oxydant et 60% à 20% en masse de réducteur.
- Projectile selon la revendication 7, caractérisé en ce que l'oxydant est choisi parmi les composés suivants ou leurs mélanges: Nitrate de Baryum, Nitrate de Potassium, Chlorate de Baryum, Perchlorate de Potassium, Perchlorate de Baryum, Peroxyde de Baryum.
- Projectile selon une des revendications 7 ou 8, caractérisé en ce que le réducteur est choisi parmi les composés suivants, leurs mélanges ou leurs alliages intermétalliques: poudre d'aluminium, poudre de magnesium, poudre d'uranium, poudre de silicium.
- Projectile selon une des revendications 7 à 9, caractérisé en ce que la première composition pyrotechnique de la charge intermédiaire (9) comprend:30 à 50% en masse de Nitrate de Baryum,10 à 30% en masse de Chlorate de Baryum.10 à 30% en masse d'un alliage Aluminium/Magnésium10 à 30% en masse de Magnésium tamisé (granulomètrie fine, par exemple inférieure à 300 microns)
- Projectile selon une des revendications 1 à 10, caractérisé en ce que le chargement explosif (7) comporte au moins une cavité axiale (8) dans laquelle pénètre la charge intermédiaire (9), cavité destinée à augmenter la surface de contact entre le chargement explosif (7) et la charge intermédiaire (9).
- Projectile selon une des revendications 1 à 11, caractérisé en ce que la charge intermédiaire (9) est disposée en vrac ou légèrement tassée.
- Projectile selon une des revendications 1 à 11, caractérisé en ce que la charge intermédiaire (9) est coulée ou comprimée et comporte au moins un trou axial (10) disposé en regard du moyen d'amorçage (4).
- Projectile selon la revendication 13, caractérisé en ce qu'une deuxième composition pyrotechnique (15) est disposée dans le ou les trous axiaux (10) de la charge intermédiaire (9).
- Projectile selon la revendication 14, caractérisé en ce que la deuxième composition pyrotechnique (15) est disposée en vrac ou peu tassée dans le ou les trous axiaux (10).
- Projectile selon une des revendications 14 ou 15, caractérisé en ce que la deuxième composition pyrotechnique (15) a la même formulation que la charge intermédiaire (9).
- Projectile selon une des revendications 1 à 16, caractérisé en ce qu'un écran (11) en matériau combustible est interposé entre le moyen d'amorçage (4) et la charge intermédiaire (9).
- Projectile selon la revendication 17, caractérisé en ce que l'écran (11) a une épaisseur comprise entre 0,05 et 0,3mm et qu'il est réalisé en nitrofilm, propergol ou papier craft.
- Projectile selon une des revendications 17 ou 18 caractérisé en ce que l'écran (11) a une forme de disque.
- Projectile selon une des revendications 17 ou 18, caractérisé en ce que l'écran (11) présente au moins une zone concave (14) pénétrant au moins partiellement dans le ou les trous axiaux (10) de la charge intermédiaire (9).
- Projectile selon une des revendications 1 à 20, caractérisé en ce que le corps (2) générateur d'éclats a subi un traitement structurel favorisant la formation d'éclats, par exemple trempe et revenu, bombardement électronique ou échauffements localisés par laser.
- Projectile selon une des revendications 1 à 21, caractérisé en ce que le moyen d'amorçage (4) est constitué par une fusée pyrotechnique comprenant au moins une composition incendiaire (5a,5b) disposée dans une ogive déformable (6).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9409081A FR2722876B1 (fr) | 1994-07-22 | 1994-07-22 | Projectile explosif |
FR9409081 | 1994-07-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0694755A1 EP0694755A1 (fr) | 1996-01-31 |
EP0694755B1 true EP0694755B1 (fr) | 1999-09-15 |
Family
ID=9465644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95401646A Expired - Lifetime EP0694755B1 (fr) | 1994-07-22 | 1995-07-07 | Projectile explosif |
Country Status (6)
Country | Link |
---|---|
US (1) | US5652408A (fr) |
EP (1) | EP0694755B1 (fr) |
AT (1) | ATE184697T1 (fr) |
DE (1) | DE69512158T2 (fr) |
ES (1) | ES2138166T3 (fr) |
FR (1) | FR2722876B1 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19651170A1 (de) * | 1996-12-10 | 1998-06-18 | Diehl Gmbh & Co | Zünderloses, ballistisches Sprenggeschoß |
USRE45899E1 (en) | 2000-02-23 | 2016-02-23 | Orbital Atk, Inc. | Low temperature, extrudable, high density reactive materials |
US20050199323A1 (en) * | 2004-03-15 | 2005-09-15 | Nielson Daniel B. | Reactive material enhanced munition compositions and projectiles containing same |
US20030140811A1 (en) * | 2001-12-14 | 2003-07-31 | General Dynamics Ordnance & Tactical Systems, Inc. | Medium caliber high explosive dual-purpose projectile with dual function fuze |
US20030183111A1 (en) * | 2002-04-02 | 2003-10-02 | Tasson Brian B. | Mechanically fuzed high explosive projectile using pryotechnic initiation delay |
US6805055B1 (en) * | 2003-06-25 | 2004-10-19 | Gamma Recherches & Technologies Patent Sa | Plasma firing mechanism and method for firing ammunition |
DE102005011638A1 (de) * | 2004-03-15 | 2005-10-06 | Alliant Techsystems Inc., Edina | Mit reaktivem Material angereicherte Projektile und verwandte Verfahren |
FR2878320B1 (fr) * | 2004-11-22 | 2009-05-08 | Giat Ind Sa | Munition ou composant de munition comprenant un materiau energetique structural |
EP1780494A3 (fr) | 2005-10-04 | 2008-02-27 | Alliant Techsystems Inc. | Projectiles améliorés par l'emploi de matériaux réactifs et procédés |
WO2012037533A2 (fr) * | 2010-09-17 | 2012-03-22 | Dse, Inc. | Projectile pyrophorique |
US9068441B2 (en) * | 2011-09-02 | 2015-06-30 | Baker Hughes Incorporated | Perforating stimulating bullet |
US10436557B2 (en) * | 2016-04-18 | 2019-10-08 | Ammo Technologies, Inc. | Armor-piercing projectile |
DE102016008391B4 (de) | 2016-07-09 | 2018-05-24 | Diehl Defence Gmbh & Co. Kg | Geschoss |
RU174313U1 (ru) * | 2017-06-20 | 2017-10-11 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" | Осколочно-фугасный снаряд |
DE102018104333A1 (de) * | 2018-02-26 | 2019-08-29 | Rwm Schweiz Ag | Geschoss mit pyrotechnischer Wirkladung |
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Publication number | Priority date | Publication date | Assignee | Title |
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US109600A (en) * | 1870-11-29 | Improvement in projectiles | ||
US2678603A (en) * | 1944-08-15 | 1954-05-18 | Us Sec War | Delayed action explosive munition |
BE520143A (fr) * | 1952-07-09 | |||
US3421439A (en) * | 1961-09-29 | 1969-01-14 | Us Army | Incendiary projectile |
CH451752A (de) * | 1966-02-11 | 1968-05-15 | Oerlikon Buehrle Holding Ag | Geschoss, insbesondere Panzergranate |
LU53847A1 (fr) * | 1967-06-09 | 1969-04-22 | ||
US3865035A (en) * | 1969-01-16 | 1975-02-11 | Thiokol Chemical Corp | Multi-use munition |
US3783790A (en) * | 1971-05-21 | 1974-01-08 | Us Navy | Controlled fragmentation warhead |
DE2752946B2 (de) * | 1977-11-26 | 1979-11-15 | Diehl Gmbh & Co, 8500 Nuernberg | Verwendung einer Brandmasse für Brandgeschosse |
FR2438686A1 (fr) * | 1978-10-13 | 1980-05-09 | France Etat | Procede de fragilisation par bombardement electronique |
IL65880A (en) * | 1981-06-24 | 1986-02-28 | Oerlikon Buehrle Ag | Shattering and incendiary shell containing a projectile body |
FR2587329B1 (fr) * | 1985-09-19 | 1989-05-12 | Poudres & Explosifs Ste Nale | Agent d'adhesion liant-charge et composition propulsive contenant cet agent d'adhesion |
US4648324A (en) * | 1985-10-01 | 1987-03-10 | Olin Corporation | Projectile with enhanced target penetrating power |
IN169266B (fr) * | 1985-10-22 | 1991-09-21 | Royal Ordnance Plc | |
GB2191770A (en) * | 1986-06-17 | 1987-12-23 | Secr Defence | Ignition transfer medium |
DE3707694A1 (de) * | 1987-03-11 | 1988-09-29 | Dynamit Nobel Ag | Elektrisch anzuendbare anzuendsaetze fuer huelsenlose munition und treibkartuschen |
FR2647541B1 (fr) * | 1989-05-26 | 1994-03-25 | Thomson Brandt Armements | Munition pour la repartition d'un melange incendiaire |
FR2664970B1 (fr) * | 1990-07-17 | 1992-09-25 | Manurhin Defense | Projectile a effet destructif explosant par impact. |
FR2678262B1 (fr) * | 1991-06-26 | 1993-12-10 | Poudres Explosifs Ste Nale | Element peu vulnerable de munition explosive comportant un chargement explosif bi-composition et procede d'obtention d'un effet d'eclats. |
FR2693721B1 (fr) * | 1992-07-20 | 1994-10-21 | Ncs Pyrotechnie Technologies | Charge d'amorçage à percussion annulaire et son procédé de fabrication. |
-
1994
- 1994-07-22 FR FR9409081A patent/FR2722876B1/fr not_active Expired - Fee Related
-
1995
- 1995-07-07 ES ES95401646T patent/ES2138166T3/es not_active Expired - Lifetime
- 1995-07-07 AT AT95401646T patent/ATE184697T1/de active
- 1995-07-07 EP EP95401646A patent/EP0694755B1/fr not_active Expired - Lifetime
- 1995-07-07 DE DE69512158T patent/DE69512158T2/de not_active Expired - Fee Related
- 1995-07-14 US US08/502,769 patent/US5652408A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69512158D1 (de) | 1999-10-21 |
DE69512158T2 (de) | 2000-01-20 |
ATE184697T1 (de) | 1999-10-15 |
US5652408A (en) | 1997-07-29 |
FR2722876B1 (fr) | 1996-09-13 |
FR2722876A1 (fr) | 1996-01-26 |
ES2138166T3 (es) | 2000-01-01 |
EP0694755A1 (fr) | 1996-01-31 |
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