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EP1656533B1 - Projectile a desagregation partielle comprenant un noyau massif et un noyau en poudre comprimee - Google Patents

Projectile a desagregation partielle comprenant un noyau massif et un noyau en poudre comprimee Download PDF

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Publication number
EP1656533B1
EP1656533B1 EP04763668A EP04763668A EP1656533B1 EP 1656533 B1 EP1656533 B1 EP 1656533B1 EP 04763668 A EP04763668 A EP 04763668A EP 04763668 A EP04763668 A EP 04763668A EP 1656533 B1 EP1656533 B1 EP 1656533B1
Authority
EP
European Patent Office
Prior art keywords
bullet
core
projectile
disintegrating
powder
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
EP04763668A
Other languages
German (de)
English (en)
Other versions
EP1656533A1 (fr
Inventor
Heinz Riess
Erich Muskat
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.)
RWS GmbH
Original Assignee
RUAG Ammotec GmbH
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
Priority claimed from DE102004035385A external-priority patent/DE102004035385A1/de
Application filed by RUAG Ammotec GmbH filed Critical RUAG Ammotec GmbH
Priority to SI200431591T priority Critical patent/SI1656533T1/sl
Priority to PL04763668T priority patent/PL1656533T3/pl
Publication of EP1656533A1 publication Critical patent/EP1656533A1/fr
Application granted granted Critical
Publication of EP1656533B1 publication Critical patent/EP1656533B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/74—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body

Definitions

  • the invention relates to a partial separation projectile according to the preamble of the first claim.
  • the dismantling of a bullet in the target body determines the energy output of the projectile and thus the effect of the shot.
  • a different decomposition is required than in large game.
  • a mantle projectile It may be both a Generalmantel- and a solid shell projectile, the bullet core of balls or granules, pressed voids free, consists of a metallic material. Suitable materials for the balls or granules are all materials that can be pressed into a void-free core, including lead or lead-containing alloys. For reasons of environmental protection, to advantageously avoid contamination of the soil and venison, lead-free materials are preferably used.
  • the compressed bullet core made of bullets or granules held by the bullet jacket breaks apart with the bullet jacket on impact in the target body differently than a solid core.
  • the diameter of the balls or the grain size of the granules determine both the energy output, as well as the predetermined breaking points in the bullet core and thus the size of the resulting parts of his decomposition. Larger balls or granules penetrate deeper into the target medium and cause a deeper penetrating destruction channel in the tissue than a comparable number of smaller balls or granules particles.
  • sharp edges are formed on the compressed balls or granule particles, which increase the effect of the splinters.
  • a bullet for small caliber with two cores wherein the core in the bullet tip of a hard metal such as iron, tungsten, molybdenum or alloys thereof, and the core arranged behind it on the other hand made of a soft material.
  • the second core may be made of, for example, a pressed or sintered metallic or non-metallic powder.
  • a non-metallic powder calcium carbonate, which is not a ceramic material, is given.
  • German Offenlegungsschrift DE 10239910 A1 is presented a disassembled hunting projectile as a mantle projectile whose core consists of balls or granules in the size of 1 mm to 12 mm of a metallic material, wherein the balls or granules are compressed voids free and thereby predetermined breaking points in the core arise.
  • WO 00/73728 A2 describes a projectile which has a hard metal core as a penetrator in the projectile nose and in which the second core consists of a cold-pressed mixture of hard metal powder, for example tungsten, and light metal powder, for example tin, with a binder being added to the mixture.
  • hard metal powder for example tungsten
  • light metal powder for example tin
  • the projectile has a core of a mixture of tungsten powder and a lubricant and lubricant, for example calcium stearate.
  • the core is completed at the end of the projectile by a leveling and sealing compound, such as tin, but does not have the function of a core.
  • the object of the invention is to further improve the decomposition behavior of a bullet with two cores.
  • the projectiles according to the invention each have a solid core, i. a core made of solid material, in the rear or in the Geschoßbug and a second core, which is not solid, but consists of void-free pressed ceramic powder and is located in front of or behind the massive core.
  • the solid core and the powder core are made of different materials, whereby the design of the cores, the optimal balance position must be guaranteed in terms of ballistics.
  • the grain size of the powder depends on the desired energy release and depth effect of the individual powder particles in the target body. Large powder particles have a high depth effect, small powder particles, however, have only a low depth effect, especially in the game.
  • the grain size of the powder is therefore, depending on the desired effect, between 5 microns and 1 mm.
  • Sintering materials and binders are likewise advantageous, it being possible for binders to sit between the pressed powder particles as filler material in the case of poorly compressible materials.
  • the bullet core of powder may be crimped or prefabricated in the shell, i. pressed into the projectile shape void-free, are introduced into the mantle.
  • the pressing pressure depends on the grain size and is preferably between 1.5 and 4 tons.
  • predetermined breaking points in the jacket are advantageous.
  • the predetermined breaking points extend in the axial direction and lie on the inside of the jacket, preferably in the ogival region.
  • the dismantling of the projectile can be influenced by the number and position of the predetermined breaking points in the mantle. The closer the predetermined breaking points are to the top of the projectile, the sooner the mantle mushrooms and breaks up into splinters.
  • Other predetermined breaking points may be on the outer circumference radially extending notches such as a sharp edge in hunting bullets.
  • a tear-off edge, for example a sharp edge, at the transition to the solid core causes the jacket to tear off. Holding grooves, on the other hand, cause the projectile shell to be retained on the projectile core.
  • copper, its alloys, plated steel, soft iron and zinc-tin alloys are suitable as materials for the jacket.
  • the massive core can also consist of pressed balls or granules, with a high, void-free compression is beneficial.
  • a solid core of sintered materials is also possible.
  • the core of a solid shell or a partial shell projectile can also consist entirely of pressed powder. Such a projectile would be usable as a training projectile.
  • the described structure of the bullet core is suitable for all types of bullets that are teilzerlegbar. Due to the shown design possibilities of the core of a projectile, it is possible to produce projectiles which are matched to the respective intended use and which at each impact speed achieve an optimum effect on account of their coordinated disassembly behavior.
  • FIG. 1 a partial jacket floor 1 is shown.
  • a solid core 3 is used from a suitable material for a bullet core.
  • a suitable powder 5 is filled and then compressed free of voids to the second core 4.
  • powder material are materials such as ball or Granulatmaschine, Sintered metals and binders.
  • the projectile casing 1 is pulled onto the illustrated projectile shape.
  • the projectile casing 2 is not closed in Geunterbug 6. From the opening 7 of the casing 2, the projectile core 3 protrudes and forms the projectile nose 8.
  • the projectile shell After striking the target body, the projectile shell opens, the compressed core disassembles into its individual parts and gives off the desired energy to the venison. Due to the compressed core, the same energy release occurs in game on each storey.
  • the decomposition of this type of bullet is independent of the impact velocity, because the compressed core decomposes at both high and low impact velocity.
  • the decomposition of the core can be controlled by the sintering density or the binder fraction.
  • the size ratios of the two cores depend on the desired shock effect and depth effect in the game. If 50% of the core of compressed powder is present, the result is a high shock effect with depth effect, depending on the powder particle size. At 20% of the core of compressed powder produces a low shock effect with depth effect. The destruction of venison takes place depending on the powder particle size.
  • the embodiment according to FIG. 2 is with the after FIG. 1 comparable.
  • the difference is that the tail core 14 and the jacket 15 are integral.
  • the jacket 15 has been formed from the material of the tail core 14 by deep drawing and surrounds the nose cone 4 made of pressed powder 5, which forms the projectile nose 8.
  • the benefits are similar to those in the FIG. 1 bullet described.
  • the embodiment according to FIG. 3 differs fundamentally from the previous embodiments in that the bow core is the solid core.
  • the projectile 20 is likewise a part-shell projectile.
  • the core material for the tail core 22 the powder 23 is first filled, and then pressed free of voids.
  • a solid core 24 is used from a suitable material for a bullet core as a bow core.
  • the projectile casing 21 is pulled onto the illustrated projectile shape.
  • the projectile casing 21 is not closed in Geunterbug 25. From the opening 26 of the casing 21, the projectile core 24 protrudes and forms the projectile tip 27.
  • predetermined break points in the form of grooves pressed into the casing 21 extend on the inside of the casing 21 in the direction of the axis 29 of the projectile Rear 31 of the projectile 20 is to stabilize the projectile movement and thus to increase the precision of a dome 32nd
  • the embodiment according to FIG. 4 is with the after FIG. 3 comparable.
  • the projectile casing 21 has further features.
  • In the cylindrical portion of the projectile 20 there is a so-called sharp edge 33, located on the outer circumference of the shell 21 notch with a sharp edge on the one hand, a clean shot in the ceiling of the game on hunting and on the other hand another breaking point in the decomposition of the game Mantels 21 forms.
  • the additional features of the bullet jacket are not limited to the present embodiment.
  • the embodiments of the FIGS. 1 to 3 can be equipped with a sharp edge and / or at least one retaining groove. With demolition edges, for example in the form of a sharp edge, and holding grooves, as described above, the disassembly of the projectile can be controlled.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (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)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

La désagrégation d'un projectile à l'intérieur du corps cible, notamment d'un projectile de chasse dans le corps du gibier après pénétration dans ce corps, détermine la production d'énergie du projectile et donc l'effet du coup de feu. Dans les projectiles à double noyau, le comportement de désagrégation et notamment le comportement de déformation des noyaux sont influencés de manière décisive par les propriétés des matériaux utilisés dans les noyaux. L'invention vise à améliorer la commande du comportement de désagrégation. A cet effet, dans un projectile à désagrégation partielle présentant deux noyaux, l'un (3) des noyaux est massif et est constitué d'un matériau apte à être un projectile et le deuxième noyau (4) est constitué de poudre (5) composée de matériaux métalliques ou céramiques, la poudre étant comprimée sans retassures.

Claims (14)

  1. Projectile à désagrégation partielle, en tant que projectile chemisé, le projectile (1) présentant deux noyaux, dont un noyau (3; 14; 24) est constitué d'un matériau massif, adapté à un projectile, caractérisé par le fait que le deuxième noyau (4; 22) est constitué de poudre (5; 23) de matériaux céramiques, par le fait que la grosseur de grain de la poudre (5; 23) est comprise entre 5 µm et 1 mm et que la poudre est comprimée sans formation de retassures.
  2. Projectile à désagrégation partielle selon la revendication 1, caractérisé par le fait que le noyau de projectile (3) massif forme l'arrière (12) du projectile (1).
  3. Projectile à désagrégation partielle selon la revendication 1, caractérisé par le fait que le noyau de projectile (24) massif est disposé à l'avant (25) du projectile (20) et forme la pointe de projectile (27).
  4. Projectile à désagrégation partielle selon une des revendications 1 à 3, caractérisé par le fait que la poudre céramique (5; 23) est de l'oxyde d'aluminium ou de l'oxyde de zirconium ou du nitrure de silicium.
  5. Projectile à désagrégation partielle selon une des revendications 1 à 4, caractérisé par le fait que lorsque la poudre est comprimée, elle est mélangée avec des liants ou avec une matière remplissant les retassures.
  6. Projectile à désagrégation partielle selon une des revendications 1 à 5, caractérisé par le fait que les noyaux de projectile (3, 4; 22, 24) sont préfabriqués et introduits dans les chemises (2; 15; 21) ou sont pressés dans la chemise.
  7. Projectile à désagrégation partielle selon une des revendications 1 à 6, caractérisé par le fait que le noyau massif est constitué de billes comprimées ou de granulés.
  8. Projectile à désagrégation partielle selon une des revendications 1 à 7, caractérisé par le fait que le noyau massif est constitué d'un matériau fritté.
  9. Projectile à désagrégation partielle selon une des revendications 1 à 8, caractérisé par le fait que la chemise de projectile (2, 15; 21) présente des points destinés à la rupture (11; 30).
  10. Projectile à désagrégation partielle selon la revendication 9, caractérisé par le fait que les points destinés à la rupture (11; 30) s'étendent dans le sens de l'axe de projectile (10; 29).
  11. Projectile à désagrégation partielle selon une des revendications 1 à 10, caractérisé par le fait que le matériau de la chemise de projectile (2, 15; 21) est du cuivre, les alliages de celui-ci, de l'acier plaqué, du fer doux ou des alliages zinc-étain.
  12. Projectile à désagrégation partielle selon une des revendications 1 à 11, caractérisé par le fait que le projectile (1; 20) présente une calotte (13; 32) dans la partie arrière (12; 31).
  13. Projectile à désagrégation partielle selon une des revendications 1 à 12, caractérisé par le fait que le projectile (20) présente une arête vive (33) sur son pourtour extérieur.
  14. Projectile à désagrégation partielle selon une des revendications 1 à 13, caractérisé par le fait que le projectile (20) présente des rainures de maintien (34) sur son pourtour extérieur.
EP04763668A 2003-08-05 2004-07-30 Projectile a desagregation partielle comprenant un noyau massif et un noyau en poudre comprimee Expired - Lifetime EP1656533B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200431591T SI1656533T1 (sl) 2003-08-05 2004-07-30 Delno razgradljiv izstrelek z masivnim jedrom in jedrom izdelanim iz stisnjenega praška
PL04763668T PL1656533T3 (pl) 2003-08-05 2004-07-30 Pocisk częściowo rozkładalny z litym rdzeniem i rdzeniem z prasowanego proszku

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10335711 2003-08-05
DE102004035385A DE102004035385A1 (de) 2003-08-05 2004-07-21 Teilzerlegungsgeschoss mit massivem Kern und Kern aus gepresstem Pulver
PCT/EP2004/008589 WO2005017442A1 (fr) 2003-08-05 2004-07-30 Projectile a desagregation partielle comprenant un noyau massif et un noyau en poudre comprimee

Publications (2)

Publication Number Publication Date
EP1656533A1 EP1656533A1 (fr) 2006-05-17
EP1656533B1 true EP1656533B1 (fr) 2010-12-01

Family

ID=34195728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04763668A Expired - Lifetime EP1656533B1 (fr) 2003-08-05 2004-07-30 Projectile a desagregation partielle comprenant un noyau massif et un noyau en poudre comprimee

Country Status (5)

Country Link
EP (1) EP1656533B1 (fr)
NO (1) NO333149B1 (fr)
PL (1) PL1656533T3 (fr)
RU (1) RU2356001C2 (fr)
WO (1) WO2005017442A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2679161C2 (ru) * 2014-02-10 2019-02-06 Руаг Аммотэк Гмбх Разрушающаяся пуля с постепенным разрушением с сердечником из материала, содержащего или не содержащего свинец
EP3715774A1 (fr) * 2019-03-25 2020-09-30 BAE SYSTEMS plc Munitions à performances améliorées
GB2582564B (en) * 2019-03-25 2022-11-30 Bae Systems Plc Enhanced performance ammunition
US11680781B2 (en) 2019-03-25 2023-06-20 Bae Systems Plc Enhanced performance ammunition
US11105597B1 (en) * 2020-05-11 2021-08-31 Rocky Mountain Scientific Laboratory, Llc Castable frangible projectile

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939996A (en) * 1986-09-03 1990-07-10 Coors Porcelain Company Ceramic munitions projectile
AU7485196A (en) * 1995-11-30 1997-06-19 Olin Corporation Dual core jacketed bullet
EP0997700A1 (fr) * 1998-10-30 2000-05-03 SM Schweizerische Munitionsunternehmung AG Balle chemisée ne nuisant pas à l'environment et son procédé de fabrication
WO2000073728A2 (fr) * 1999-05-28 2000-12-07 Cove Corporation Projectile a base de poudre pour arme a separation anti effet de souffle et anti chaleur sur la partie arriere
ES2194771T3 (es) 1999-09-10 2003-12-01 Ruag Ammotec Gmbh Bala expansiva con penetrador en la parte delantera de la bala.
ES2284525T3 (es) 1999-09-10 2007-11-16 Ruag Ammotec Gmbh Proyectil de fragmentacion parcial en el penetrador como cola del proyectil.
US6546875B2 (en) * 2001-04-23 2003-04-15 Ut-Battelle, Llc Non-lead hollow point bullet
DE10239910A1 (de) 2001-09-22 2003-04-10 Dynamit Nobel Ammotec Gmbh Sich zerlegendes Jagdgeschoss

Also Published As

Publication number Publication date
RU2356001C2 (ru) 2009-05-20
PL1656533T3 (pl) 2011-07-29
RU2006106612A (ru) 2006-07-27
WO2005017442A1 (fr) 2005-02-24
NO333149B1 (no) 2013-03-18
EP1656533A1 (fr) 2006-05-17
NO20060642L (no) 2006-02-09

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