EP2742313B1 - Hollow-channel projectile nose and shaping of a projectile body in the nose region - Google Patents

Hollow-channel projectile nose and shaping of a projectile body in the nose region Download PDF

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Publication number
EP2742313B1
EP2742313B1 EP12745690.3A EP12745690A EP2742313B1 EP 2742313 B1 EP2742313 B1 EP 2742313B1 EP 12745690 A EP12745690 A EP 12745690A EP 2742313 B1 EP2742313 B1 EP 2742313B1
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EP
European Patent Office
Prior art keywords
projectile
tip
nose
longitudinal axis
hollow channel
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EP12745690.3A
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German (de)
French (fr)
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EP2742313A1 (en
Inventor
Erich Muskat
Heinz Riess
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RWS GmbH
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RUAG Ammotec GmbH
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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
    • 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
    • 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
    • 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
    • F42B12/745—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body the core being made of plastics; Compounds or blends of plastics and other materials, e.g. fillers

Definitions

  • the invention relates to a projectile in which it comes to an accelerated expansion of the projectile upon impact with a soft medium, with a view in the weft direction arranged at the top cylindrical bore which extends coaxially to the longitudinal axis projectile and in this bore a projectile nose is inserted the longitudinal axis of the projectile at the same time also forms the longitudinal axis of the projectile nose and in the projectile nose coaxially to the longitudinal axis an open hollow channel is introduced.
  • EP 2 226 606 A2 describes a partial decomposition projectile with a bow core and a tail core, wherein the bow core forms a part of the projectile which separates and the tail core forms a penetrator of the projectile.
  • the bow core and the rear core are made of equally hard materials with hardness values in the Brinell hardness range (HBW).
  • the invention has for its object to improve a projectile according to the preamble of claim 1 such that upon impact of the projectile on a soft medium it comes to an accelerated expansion of the projectile and at the same time penetration of foreign bodies and moisture is prevented in the projectile body.
  • the hollow channel extends in the weft direction from the front end to the rear end of the projectile nose and a membrane is arranged in the hollow channel which divides the hollow channel into two hollow channel sections, an accelerated expansion of the projectile occurs when the projectile strikes a soft medium Projectile and at the same time penetration of foreign bodies and moisture is prevented in the projectile body.
  • the hollow channel ensures that the impact of the projectile on a soft medium, this penetrates into the bullet point.
  • the membrane is broken up and the soft medium migrates to the bottom of the projectile tip. This leads to an accelerated expansion of the projectile.
  • the hollow channel diameter depends on the caliber size. It is preferably between 0.2 mm and 6 mm.
  • the membrane prevents the penetration of moisture and foreign matter in the lying below the membrane hollow channel portion of the projectile nose when storing the cartridge.
  • the two hollow channel sections are substantially the same length.
  • the front portion of the projectile nose is conically formed with an angle ⁇ , wherein the diameter at the front end of the projectile nose is the lowest and the rear end of the projectile nose is designed as a holding cylinder and the holding cylinder has a diameter adapted to the cylindrical bore in the projectile on.
  • the conical front region merges into the holding cylinder via a ramp with an expansion angle ⁇ , the expansion angle ⁇ being measured clockwise from the longitudinal axis.
  • the expansion angle ⁇ is between 10 ° and 80 °.
  • the slope on the projectile tip preferably lies flat on corresponding surfaces of the projectile body and on the shell projectiles of the projectile jacket.
  • the front end of the projectile nose is preferably provided with a flat surface.
  • the projectile nose can be made of the following materials: plastics, polymer plastics with or without additives, the additives being glass fiber, metal powder or powder of metal compounds such as e.g. BaSO4 or color pigments can be.
  • the bullet tip can also be made of the following materials: completely made of metal, or metal alloys, such as. B. made of aluminum, produced by die-casting.
  • a free space is arranged between the rear end of the projectile nose and the bottom of the cylindrical bore. This space serves to accommodate the penetrating soft medium and improves the expansion of the projectile upon impact.
  • the projectile is preferably a mantle projectile or a non-dismantling projectile.
  • FIG. 3 shows a projectile nose 1 according to the invention preferably for a mantle projectile according to FIG. 1 or a non-dismantling projectile 16 according to FIG. 2 ,
  • the projectile nose 1 preferably has a cone-shaped front region 2, which extends from the front planar surface 7 to the maximum diameter 8 of the projectile nose 1.
  • the cone-shaped front region 2 then passes over a slope 3 in the holding cylinder 4.
  • a hollow channel 5 is introduced, which is arranged coaxially to the longitudinal axis 12.
  • a membrane 6 is arranged, which divides the hollow channel 5 into two substantially equal length hollow channel sections 5a, 5b.
  • the expansion angle ⁇ of the bevels 3 ( ⁇ is measured in a clockwise direction from the longitudinal axis 12), in contrast to conventional projectile tips made of plastic, not 90 °, but is preferably between 10 ° and 80 °.
  • the slope 3 of the projectile nose 1 rests flat on corresponding surfaces 9, 10 of the projectile body 11 and the projectile shell 13 (see FIG. 1 ).
  • FIG. 2 shows a non-collapsible projectile 16.
  • the slope 3 is flat on a slope of the 3 corresponding surface 9 of the non-separable projectile 16 fully (see FIG. 2 ).
  • the projectile tip 1 is preferably used with its holding cylinder 4 in a bore 15 in the projectile body 11 and projectile 16 and lies with the described surfaces 9 and 10. Between the inserted projectile nose 1 and the bottom 17 of the bore 15, a free space 18 may be arranged.
  • the central feature of the present hollow-channel projectile tip 1 is the hollow channel 5 interrupted by a membrane 6.
  • the membrane 6 prevents the penetration of foreign bodies and moisture in the projectile body or the projectile.
  • the hollow channel 5 guarantees upon impact of the projectile on a soft medium that this penetrates into the projectile body tip 1 and the hollow channel 5. In this case, the membrane 6 is broken and the medium migrates to the bottom of the projectile nose 1 through. This leads to an accelerated expansion of the projectile.
  • the hollow channel diameter 19 depends on the caliber size. It is preferably between 0.2 mm and 6 mm.
  • the hollow channel diameter 19 is preferably slightly smaller than the diameter 21 of the holding cylinder 4.
  • the membrane 6 prevents in storage of the cartridge, the penetration of moisture and foreign bodies in the lying below the membrane 6 hollow channel section 5b of the projectile nose 1.
  • the thickness of the membrane 6 can vary from 0.1 mm - bore diameter.
  • the hollow channel 5 or the hollow channel sections 5a, 5b is / are open at the upper or front end 22 on the flat surface 7 and at the rear end 23.
  • the flat surface 7 avoids damage to the projectile nose. 1
  • the projectile tip diameter 8 is the largest, ie maximum diameter of the projectile nose 1. It is determined by the desired response of the projectile. The diameter is between 2 mm and caliber diameter.
  • the bullet tip 1 can be used from cal. .22 to cal. 12.7 mm.
  • the bullet type can be a decomposition, Generalzerlegungs-, deformation or non-dismantling bullet 16 (see FIG. 2 ) be.
  • the present projectile nose 1 can also be used in a projectile made of solid material projectile.
  • the material of the projectile core 11 of the shell projectile according to FIG. 1 may consist of a Pb-containing or Pb-free material. A mix of Pb-containing and Pb-free materials is also possible.
  • the projectile casing 13 of the shell projectile according to FIG. 1 can consist of the materials Cu, CuZn, steel, as well as other metals.
  • cladded or otherwise coated bullet casings eg coating with bonded varnish
  • the shell wall thickness can vary depending on the caliber and speed between 0.2 mm and 3 mm. The shell wall thickness can also have a course.
  • the described modes of operation are the same for all types of projectiles.
  • the projectile tip diameter 8 must be selected larger to maximum caliber diameter.
  • the exposed ring surface does not act as Expansion aid but as a sharpening edge, which punched out a hole in the penetration of the medium out of this.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Description

Die Erfindung betrifft ein Geschoss, bei dem es beim Auftreffen auf ein weiches Medium zu einer beschleunigten Expansion des Geschosses kommt, mit einer in Schussrichtung gesehen an der Spitze angeordneten zylinderförmigen Bohrung die koaxial zur Längsachse Geschosses verläuft und in diese Bohrung eine Geschossspitze eingesetzt ist, wobei die Längsachse des Geschosses zugleich auch die Längsachse der Geschossspitze bildet und in der Geschossspitze koaxial zur Längsachse ein offener Hohlkanal eingebracht ist.The invention relates to a projectile in which it comes to an accelerated expansion of the projectile upon impact with a soft medium, with a view in the weft direction arranged at the top cylindrical bore which extends coaxially to the longitudinal axis projectile and in this bore a projectile nose is inserted the longitudinal axis of the projectile at the same time also forms the longitudinal axis of the projectile nose and in the projectile nose coaxially to the longitudinal axis an open hollow channel is introduced.

Ein derartiges Geschoss wird beschrieben in DE 100 10 500 A1 .Such a projectile is described in DE 100 10 500 A1 ,

DE 20 2005 013495 U1 beschreibt ein Geschoss, insbesondere für Jagdbüchsen, mit gezogenem Lauf mit einem Führungskörper und einer auf diesen aufgesetzten Geschossspitze als Geschosseinheit, wobei der im gewünschten Kaliber oder unterkalibrig ausgebildet Führungskörper des Geschosses ein im Wesentlichen zylindrischer mit ballistisch ausgebildetem Heck-Körper ist, wobei dass der Geschossspitze zugewandte stumpfe Ende des Führungskörpers eine als zylindrisches Sackloch ausgebildet Aufnahmeausnehmung aufweist, in die die als ballistisch geformte Auftreffspitze ausgebildete Geschossspitze mit einen angeformten zylindrisch auslaufenden Ansatz einführbar und mit gutem Formschluss festlegbar ist. DE 20 2005 013495 U1 describes a projectile, in particular for hunting rifles, with drawn barrel with a guide body and a bullet mounted on this bullet as Geschosseinheit, wherein the desired caliber or subcaliber trained guide body of the projectile is a substantially cylindrical ballistically trained rear body, wherein that of the projectile nose facing blunt end of the guide body has a receiving hole formed as a cylindrical blind hole, in which the trained as a ballistically shaped Auftreffspitze projectile nose with an integrally formed cylindrical expiring approach is insertable and can be fixed with good fit.

EP 2 226 606 A2 beschreibt ein Teilzerlegungsgeschoss mit einem Bugkern und einem Heckkern, wobei der Bugkern einen sich zerlegenden Teil des Geschosses und der Heckkern einen Durchschlagskörper des Geschosses bildet. Der Bugkern und der Heckkern bestehen aus gleich harten Werkstoffen, deren Härtewerte im Brinell-Härtebereich (HBW) liegen. EP 2 226 606 A2 describes a partial decomposition projectile with a bow core and a tail core, wherein the bow core forms a part of the projectile which separates and the tail core forms a penetrator of the projectile. The bow core and the rear core are made of equally hard materials with hardness values in the Brinell hardness range (HBW).

Der Erfindung liegt die Aufgabe zugrunde, ein Geschoss gemäß Oberbegriff des Anspruchs 1 derart zu verbessern, dass beim Auftreffen des Geschosses auf ein weiches Medium es zu einer beschleunigten Expansion des Geschosses kommt und zugleich ein Eindringen von Fremdkörpern und Feuchtigkeit in den Geschosskörper verhindert ist.The invention has for its object to improve a projectile according to the preamble of claim 1 such that upon impact of the projectile on a soft medium it comes to an accelerated expansion of the projectile and at the same time penetration of foreign bodies and moisture is prevented in the projectile body.

Diese Aufgabe wird durch ein Geschoss nach den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a projectile according to the features of claim 1.

Dadurch, dass der Hohlkanal sich in Schussrichtung gesehen vom vorderen Ende bis zum hinteren Ende der Geschossspitze erstreckt und im Hohlkanal eine Membran angeordnet ist, die den Hohlkanal in zwei Hohlkanalabschnitte teilt, kommt es beim Auftreffen des Geschosses auf ein weiches Medium zu einer beschleunigten Expansion des Geschosses und zugleich ist ein Eindringen von Fremdkörpern und Feuchtigkeit in den Geschosskörper verhindert.Due to the fact that the hollow channel extends in the weft direction from the front end to the rear end of the projectile nose and a membrane is arranged in the hollow channel which divides the hollow channel into two hollow channel sections, an accelerated expansion of the projectile occurs when the projectile strikes a soft medium Projectile and at the same time penetration of foreign bodies and moisture is prevented in the projectile body.

Der Hohlkanal stellt sicher, dass beim Auftreffen des Geschosses auf ein weiches Medium, dieses in die Geschossspitze eindringt. Dabei wird die Membran aufgebrochen und das weiche Medium wandert bis zum Boden der Geschossspitze. Dadurch kommt es zu einer beschleunigten Expansion des Geschosses. Der Hohlkanaldurchmesser richtet sich nach der Kalibergröße. Er liegt vorzugsweise zwischen 0,2 mm und 6 mm. Die Membran verhindert bei Lagerung der Patrone das Eindringen von Feuchtigkeit und Fremdkörper in den unterhalb der Membran liegenden Hohlkanalabschnitt der Geschossspitze.The hollow channel ensures that the impact of the projectile on a soft medium, this penetrates into the bullet point. The membrane is broken up and the soft medium migrates to the bottom of the projectile tip. This leads to an accelerated expansion of the projectile. The hollow channel diameter depends on the caliber size. It is preferably between 0.2 mm and 6 mm. The membrane prevents the penetration of moisture and foreign matter in the lying below the membrane hollow channel portion of the projectile nose when storing the cartridge.

Bevorzugt sind die zwei Hohlkanalabschnitte im Wesentlichen gleich lang.Preferably, the two hollow channel sections are substantially the same length.

In bevorzugter Ausgestaltung ist der vordere Bereich der Geschossspitze konisch ausgebildet mit einem Winkel β, wobei der Durchmesser am vorderen Ende der Geschossspitze am geringsten ist und ist das hintere Ende der Geschossspitze als Haltezylinder ausgebildet und weist der Haltezylinder einen an die zylinderförmige Bohrung im Geschoss angepassten Durchmesser auf.In a preferred embodiment, the front portion of the projectile nose is conically formed with an angle β, wherein the diameter at the front end of the projectile nose is the lowest and the rear end of the projectile nose is designed as a holding cylinder and the holding cylinder has a diameter adapted to the cylindrical bore in the projectile on.

In einer Ausführungsform geht der konische vordere Bereich an seinem zum Haltezylinder gewandten Ende über eine Schräge mit einem Expansionswinkel α in den Haltezylinder über, wobei der Expansionswinkel α im Uhrzeigersinn von der Längsachse aus gemessen ist. Bevorzugt liegt der Expansionswinkel α zwischen 10° und 80°. Beim Auftreffen der Geschossspitze auf ein Medium schiebt sich die Geschossspitze mit ihrer Schräge in die zylinderförmige Bohrung an der Spitze des Geschosses und legt so den Geschosskörper und ggf. den Geschossmantel frei, wodurch sich eine Ringfläche bildet. Dadurch wird eine frühe Zerlegung des Geschosses eingeleitet. Beim nicht zerlegbaren Geschoss wirkt die freiliegende Ringfläche nicht als Expansionshilfe sondern als Scharfrand, der beim Durchschlagen des Mediums aus diesem ein Loch ausstanzt.In one embodiment, at its end facing the holding cylinder, the conical front region merges into the holding cylinder via a ramp with an expansion angle α, the expansion angle α being measured clockwise from the longitudinal axis. Preferably, the expansion angle α is between 10 ° and 80 °. Upon impact of the projectile tip on a medium, the projectile tip pushes with its slope in the cylindrical bore at the top of the projectile, thus exposing the projectile body and possibly the projectile shell, thereby forming an annular surface. This initiates an early disassembly of the projectile. In the non-dismantling projectile, the exposed ring surface does not act as an expansion aid but rather as a sharp edge, which punches out a hole when it penetrates the medium.

Zur Verbesserung dieser Verschiebung bzw. des Abrutschens liegt bevorzugt die Schräge an der Geschossspitze plan auf entsprechenden Flächen des Geschosskörpers und bei Mantelgeschossen des Geschossmantels auf.In order to improve this displacement or slipping off, the slope on the projectile tip preferably lies flat on corresponding surfaces of the projectile body and on the shell projectiles of the projectile jacket.

Das vordere Ende der Geschossspitze ist bevorzugt mit einer planen Fläche versehen.The front end of the projectile nose is preferably provided with a flat surface.

Die Geschossspitze kann aus folgenden Materialien hergestellt sein: Kunststoffe, Polymerkunststoffe mit oder ohne Zusätze, wobei die Zusätze Glasfaser, Metallpulver oder Pulver von Metallverbindungen wie z.B. BaSO4 oder Farbpigmente sein können.The projectile nose can be made of the following materials: plastics, polymer plastics with or without additives, the additives being glass fiber, metal powder or powder of metal compounds such as e.g. BaSO4 or color pigments can be.

Die Geschossspitze kann auch aus folgenden Materialien hergestellt sein: komplett aus Metall, oder Metalllegierungen, wie z. B. aus Aluminium, hergestellt im Druckgussverfahren.The bullet tip can also be made of the following materials: completely made of metal, or metal alloys, such as. B. made of aluminum, produced by die-casting.

Bevorzugt ist zwischen dem hinteren Ende der Geschossspitze und dem Boden der zylinderförmigen Bohrung ein Freiraum angeordnet. Dieser Freiraum dient zur Aufnahme des eindringenden weichen Mediums und verbessert die Expansion des Geschosses beim Aufprall.Preferably, a free space is arranged between the rear end of the projectile nose and the bottom of the cylindrical bore. This space serves to accommodate the penetrating soft medium and improves the expansion of the projectile upon impact.

Das Geschoss ist bevorzugt ein Mantelgeschoss oder ein nicht zerlegbares Geschoss.The projectile is preferably a mantle projectile or a non-dismantling projectile.

Nachfolgend wird die Erfindung anhand von drei Figuren weiter erläutert.The invention will be further explained with reference to three figures.

Figur 3 zeigt eine erfindungsgemäße Geschossspitze 1 bevorzugt für ein Mantelgeschoss gemäß Figur 1 oder ein nicht zerlegbares Geschoss 16 gemäß Figur 2. FIG. 3 shows a projectile nose 1 according to the invention preferably for a mantle projectile according to FIG. 1 or a non-dismantling projectile 16 according to FIG. 2 ,

Die Materialien aus denen die Geschossspitze 1 besteht sind bevorzugt:

  • Kunststoffe, Polymerkunststoffe mit oder ohne Zusätze. Zusätze können sein Glasfaser, Metallpulver oder Pulver von Metallverbindungen wie z.B. BaSO4, Farbpigmente. Weiterhin kann die Geschossspitze komplett aus Metall, oder Metalllegierungen, gefertigt sein, wie z.B. aus Aluminium, hergestellt im Druckgussverfahren.
The materials of which the bullet tip 1 consists are preferred:
  • Plastics, polymer plastics with or without additives. Additives can be glass fiber, metal powder or powder of metal compounds such as BaSO4, color pigments. Furthermore, the bullet tip can be made entirely of metal, or metal alloys, such as aluminum, manufactured by die-casting.

Die Geschossspitze 1 weist bevorzugt einen konusförmigen vorderen Bereich 2 auf, der sich von der vorderen planen Fläche 7 bis zum maximalen Durchmesser 8 der Geschossspitze 1 erstreckt. Der konusförmige vordere Bereich 2 geht dann über eine Schräge 3 in den Haltezylinder 4 über. In der Geschossspitze 1 ist ein Hohlkanal 5 eingebracht, der koaxial zur Längsachse 12 angeordnet ist. In der Mitte, d.h. im Bereich des maximalen Durchmessers 8 ist eine Membran 6 angeordnet, die den Hohlkanal 5 in zwei im Wesentlichen gleich lange Hohlkanalabschnitte 5a, 5b teilt.The projectile nose 1 preferably has a cone-shaped front region 2, which extends from the front planar surface 7 to the maximum diameter 8 of the projectile nose 1. The cone-shaped front region 2 then passes over a slope 3 in the holding cylinder 4. In the projectile tip 1, a hollow channel 5 is introduced, which is arranged coaxially to the longitudinal axis 12. In the middle, i. in the region of the maximum diameter 8, a membrane 6 is arranged, which divides the hollow channel 5 into two substantially equal length hollow channel sections 5a, 5b.

Der Expansionswinkel α der Schrägen 3 (α wird gemessen im Uhrzeigersinn von der Längsachse 12 aus) ist, im Gegensatz zu üblichen Geschossspitzen aus Kunststoff, nicht 90°, sondern liegt vorzugsweise zwischen 10° und 80°. Die Schräge 3 der Geschossspitze 1 liegt plan auf entsprechenden Flächen 9, 10 des Geschosskörpers 11 und des Geschossmantels 13 auf (siehe Figur 1). Figur 2 zeigt ein nicht zerlegbares Geschoss 16. Hier liegt die die Schräge 3 plan auf einer der Schräge 3 entsprechenden Fläche 9 des nicht zerlegbaren Geschosses 16 voll auf (siehe Figur 2).The expansion angle α of the bevels 3 (α is measured in a clockwise direction from the longitudinal axis 12), in contrast to conventional projectile tips made of plastic, not 90 °, but is preferably between 10 ° and 80 °. The slope 3 of the projectile nose 1 rests flat on corresponding surfaces 9, 10 of the projectile body 11 and the projectile shell 13 (see FIG. 1 ). FIG. 2 shows a non-collapsible projectile 16. Here, the slope 3 is flat on a slope of the 3 corresponding surface 9 of the non-separable projectile 16 fully (see FIG. 2 ).

Die Geschossspitze 1 wird bevorzugt mit ihrem Haltezylinder 4 in eine Bohrung 15 im Geschosskörper 11 bzw. Geschoss 16 eingesetzt und liegt mit den beschriebenen Flächen 9 und 10 auf. Zwischen der eingeschobenen Geschossspitze 1 und dem Boden 17 der Bohrung 15 kann ein Freiraum 18 angeordnet sein.The projectile tip 1 is preferably used with its holding cylinder 4 in a bore 15 in the projectile body 11 and projectile 16 and lies with the described surfaces 9 and 10. Between the inserted projectile nose 1 and the bottom 17 of the bore 15, a free space 18 may be arranged.

Beim Auftreffen der Geschossspitze 1 auf ein weiches Medium schiebt sich diese entlang der Flächen 9 oder 10 in die Bohrung 15 an der Spitze des Geschosskörpers 11 und legt so diese Flächen 9 oder 10 frei. Dadurch wird eine frühe Zerlegung des Geschosses eingeleitet.Upon impact of the projectile nose 1 on a soft medium, this pushes along the surfaces 9 or 10 in the bore 15 at the top of the projectile body 11 and so sets these surfaces 9 or 10 free. This initiates an early disassembly of the projectile.

Zentrales Merkmal der vorliegenden Hohlkanal-Geschossspitze 1 ist der durch eine Membran 6 unterbrochene Hohlkanal 5.The central feature of the present hollow-channel projectile tip 1 is the hollow channel 5 interrupted by a membrane 6.

Die Membran 6 verhindert das Eindringen von Fremdkörpern und Feuchtigkeit in den Geschosskörper bzw. das Geschoss. Außerdem garantiert der Hohlkanal 5 beim Auftreffen des Geschosses auf ein weiches Medium, dass dieses in die Geschosskörperspitze 1 bzw. den Hohlkanal 5 eindringt. Dabei wird die Membran 6 aufgebrochen und das Medium wandert bis zum Boden der Geschossspitze 1 durch. Dadurch kommt es zu einer beschleunigten Expansion des Geschosses. Der Hohlkanaldurchmesser 19 richtet sich nach der Kalibergröße. Er liegt vorzugsweise zwischen 0,2 mm und 6 mm. Der Hohlkanaldurchmesser 19 ist bevorzugt etwas kleiner als der Durchmesser 21 des Haltezylinders 4.The membrane 6 prevents the penetration of foreign bodies and moisture in the projectile body or the projectile. In addition, the hollow channel 5 guarantees upon impact of the projectile on a soft medium that this penetrates into the projectile body tip 1 and the hollow channel 5. In this case, the membrane 6 is broken and the medium migrates to the bottom of the projectile nose 1 through. This leads to an accelerated expansion of the projectile. The hollow channel diameter 19 depends on the caliber size. It is preferably between 0.2 mm and 6 mm. The hollow channel diameter 19 is preferably slightly smaller than the diameter 21 of the holding cylinder 4.

Die Membran 6 verhindert bei Lagerung der Patrone das Eindringen von Feuchtigkeit und Fremdkörpern in den unterhalb der Membran 6 liegenden Hohlkanalabschnitt 5b der Geschossspitze 1. Die Dicke der Membran 6 kann variieren von 0,1 mm - Bohrungsdurchmesser. Der Hohlkanal 5 bzw. die Hohlkanalabschnitte 5a, 5b ist/sind am oberen bzw. vorderen Ende 22 an der planen Fläche 7 und am hinteren Ende 23 offen.The membrane 6 prevents in storage of the cartridge, the penetration of moisture and foreign bodies in the lying below the membrane 6 hollow channel section 5b of the projectile nose 1. The thickness of the membrane 6 can vary from 0.1 mm - bore diameter. The hollow channel 5 or the hollow channel sections 5a, 5b is / are open at the upper or front end 22 on the flat surface 7 and at the rear end 23.

Die plane Fläche 7 vermeidet Beschädigungen an der Geschossspitze 1.The flat surface 7 avoids damage to the projectile nose. 1

Der Geschossspitzendurchmesser 8 ist der größte d.h. maximale Durchmesser der Geschossspitze 1. Er bestimmt sich nach dem gewünschten Ansprechverhalten des Geschosses. Der Durchmesser liegt zwischen 2 mm und Kaliberdurchmesser.The projectile tip diameter 8 is the largest, ie maximum diameter of the projectile nose 1. It is determined by the desired response of the projectile. The diameter is between 2 mm and caliber diameter.

Die Geschossspitze 1 kann verwendet werden ab Kal. .22 bis Kal. 12,7 mm. Der Geschosstyp kann dabei ein Zerlegungs-, Teilzerlegungs-, Deformations- oder nicht zerlegbares Geschoss 16 (siehe Figur 2) sein. Die vorliegende Geschoßspitze 1 kann aber auch bei einem aus Vollmaterial gedrehten Geschoss eingesetzt werden.The bullet tip 1 can be used from cal. .22 to cal. 12.7 mm. The bullet type can be a decomposition, Teilzerlegungs-, deformation or non-dismantling bullet 16 (see FIG. 2 ) be. The present projectile nose 1 can also be used in a projectile made of solid material projectile.

Das Material des Geschosskernes 11 des Mantelgeschosses gemäß Figur 1 kann aus einem Pb-haltigen oder Pb-freien Material bestehen. Auch ein Mix aus Pb-haltigen und Pb-freien Materialien ist möglich.The material of the projectile core 11 of the shell projectile according to FIG. 1 may consist of a Pb-containing or Pb-free material. A mix of Pb-containing and Pb-free materials is also possible.

Der Geschossmantel 13 des Mantelgeschosses gemäß Figur 1 kann aus den Materialien Cu, CuZn, Stahl, sowie weitere Metalle bestehen. Außerdem können auch plattierte oder anderweitige beschichtete Geschossmäntel (z.B. Beschichtung mit Gleitlack) zum Einsatz kommen. Die Mantelwandstärke kann je nach Kaliber und Geschwindigkeit zwischen 0,2 mm und 3 mm variieren. Die Mantelwandstärke kann auch einen Verlauf aufweisen.The projectile casing 13 of the shell projectile according to FIG. 1 can consist of the materials Cu, CuZn, steel, as well as other metals. In addition, cladded or otherwise coated bullet casings (eg coating with bonded varnish) can also be used. The shell wall thickness can vary depending on the caliber and speed between 0.2 mm and 3 mm. The shell wall thickness can also have a course.

Funktionsweise:Functionality:

Beim Auftreffen der Geschossspitze 1 auf ein Medium kann die Geschossspitze 1 in die tiefer liegende Bohrung 15 (maximal bis zum Geschossboden 17) im Haltezylinder 4 eintauchen. Dabei wird eine ringförmige Fläche 9, 10 frei, die eine sofortige Expansion des Geschosses durch das Anströmen des Mediums einleitet. Durch den Hohlkanalabschnitt 5b in der Geschossspitze 1 dringt dann weiter das Medium ein, durchschlägt die Membran 6, und beschleunigt so die Expansion des Geschosses.When hitting the projectile nose 1 on a medium, the projectile nose 1 in the deeper hole 15 (maximum to the floor 17) in the holding cylinder 4 dive. In this case, an annular surface 9, 10 free, which initiates an immediate expansion of the projectile by the flow of the medium. Through the hollow channel section 5b in the projectile tip 1 then further penetrates the medium, pierces the membrane 6, and thus accelerates the expansion of the projectile.

Die beschriebenen Funktionsweisen sind bei allen Geschossarten gleich. Beim nicht zerlegbaren Geschoss gemäß Figur 2 muss der Geschossspitzendurchmesser 8 größer gewählt werden bis maximal Kaliberdurchmesser. Dabei wirkt die freiliegende Ringfläche nicht als Expansionshilfe sondern als Scharfrand, der beim Durchschlagen des Mediums aus diesem ein Loch ausstanzt.The described modes of operation are the same for all types of projectiles. According to the non-dismantling projectile FIG. 2 the projectile tip diameter 8 must be selected larger to maximum caliber diameter. The exposed ring surface does not act as Expansion aid but as a sharpening edge, which punched out a hole in the penetration of the medium out of this.

Claims (11)

  1. A projectile, with which upon impact upon a soft medium an accelerated expansion of the projectile results, having a cylindrical bore (15) which, viewed in the direction of fire, is arranged at the tip and which runs coaxially to the longitudinal axis (12) of the projectile, and inserted into this bore there is a projectile tip (1), wherein the longitudinal axis (12) of the projectile at the same time also constitutes the longitudinal axis of the projectile tip (1), and introduced in the projectile tip (1) coaxially to the longitudinal axis (12) there is an open hollow channel (5), characterised in that the hollow channel (5), viewed in the direction of fire, extends from the front end (22) as far as the rear end (23) of the projectile tip (1), and arranged in the hollow channel (5) there is a membrane (6) which divides the hollow channel (5) into two hollow-channel sections (5a, 5b).
  2. A projectile according to claim 1, characterised in that the front region (2) of the projectile tip (1) is formed in a conical manner with an angle β, wherein the diameter at the front end (22) is the smallest, and the rear end (23) of the projectile tip (1) is formed as a holding cylinder (4) and has a diameter that is adapted to the cylindrical bore (15) in the projectile.
  3. A projectile according to claim 2, characterised in that the conical front region (2) at its end facing the holding cylinder (4) merges by way of a bevel (3) with an expansion angle α into the holding cylinder (4), wherein the expansion angle α is measured in the clockwise direction from the longitudinal axis (12).
  4. A projectile according to claim 3, characterised in that the expansion angle α lies between 10° and 80°.
  5. A projectile according to claim 3 or 4, characterised in that the bevel (3) rests in a planar manner on corresponding surfaces (9, 10) of the projectile body (11) and, in the case of jacketed projectiles, of the projectile jacket (13).
  6. A projectile according to one of claims 1 to 5, characterised in that the front end (22) of the projectile tip (1) is provided with a planar surface (7).
  7. A projectile according to one of claims 1 to 6, characterised in that the projectile tip (1) is produced from the following materials: plastics, polymer plastics with or without additives.
  8. A projectile according to claim 7, characterised in that the additives are glass fibres, metal powders or powders from metal compounds such as, for example, BaSO4 or coloured pigments.
  9. A projectile according to one of claims 1 to 6, characterised in that the projectile tip (1) is produced from the following materials: completely from metal or metal alloys, such as, for example, from aluminium, produced in the die-casting process.
  10. A projectile according to one of claims 1 to 9, characterised in that arranged between the rear end (23) of the projectile tip (1) and the base (17) of the cylindrical bore (15) there is a clearance (18).
  11. A projectile according to one of claims 1 to 10, characterised in that the projectile is a jacketed projectile or a non-disintegrating projectile.
EP12745690.3A 2011-08-08 2012-08-07 Hollow-channel projectile nose and shaping of a projectile body in the nose region Active EP2742313B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011109671 2011-08-08
PCT/EP2012/065434 WO2013020975A1 (en) 2011-08-08 2012-08-07 Hollow-channel projectile nose and shaping of a projectile body in the nose region

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EP2742313A1 EP2742313A1 (en) 2014-06-18
EP2742313B1 true EP2742313B1 (en) 2016-01-20

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US (1) US9003974B2 (en)
EP (1) EP2742313B1 (en)
DE (1) DE102012015475A1 (en)
RU (1) RU2014108481A (en)
WO (1) WO2013020975A1 (en)

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US10215543B1 (en) * 2012-05-10 2019-02-26 Mark Benson Linear explosive disruptor
US9631910B2 (en) * 2013-12-31 2017-04-25 Lehigh Defense, LLC Expanding subsonic projectile and cartridge utilizing same
EP3628960A1 (en) 2014-04-30 2020-04-01 G9 Holdings, LLC Projectile with enhanced ballistics
US9341455B2 (en) 2014-06-06 2016-05-17 Lehigh Defense, LLC Expanding subsonic projectile and cartridge utilizing same
US11313657B1 (en) 2016-11-14 2022-04-26 Erik Agazim Multi-piece projectile with an insert formed via a powder metallurgy process
US10690463B2 (en) * 2017-01-12 2020-06-23 Vista Outdoor Operations Llc Extended range bullet
US10969209B2 (en) * 2018-02-14 2021-04-06 Olin Corporation Segmenting pistol bullet
DE202018104528U1 (en) 2018-08-07 2018-08-27 Metallwerk Elisenhütte GmbH Solid shell with cores
DE102018119165B3 (en) 2018-08-07 2019-12-19 Metallwerk Elisenhütte GmbH Solid jacket with cores
US10914560B2 (en) * 2018-10-30 2021-02-09 Olin Corporation Hollow point bullet
DE102019108061A1 (en) * 2019-03-28 2020-10-01 Ruag Ammotec Gmbh Deformation and / or partial fragmentation projectile
US11428517B2 (en) 2019-09-20 2022-08-30 Npee L.C. Projectile with insert
DE102019125841A1 (en) 2019-09-25 2021-03-25 Rheinmetall Waffe Munition Gmbh Method for producing a sabot bullet
FI130226B (en) * 2020-02-28 2023-05-03 Sako Oy Bullet
USD985030S1 (en) * 2020-11-19 2023-05-02 Hyperion Materials & Technologies, Inc. Punch nose

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FI69367C (en) * 1975-08-09 1986-01-10 Schirnecker Hans Ludwig KULA FOER FINKALIBRIGT VAPEN
GB1590600A (en) * 1976-10-30 1981-06-03 Dynamit Nobel Ag Bullet
US4485742A (en) * 1981-06-05 1984-12-04 Mamo Anthony C Firearm bullet
US4964341A (en) * 1989-08-21 1990-10-23 Aai Corporation Projectile with ram air-extendible probe and ram air-extendible probe assembly therefor
DE10010500A1 (en) * 2000-03-07 2001-09-13 Dynamit Nobel Ag Deforming bullet consists of a casing-less body and a hollow chamber extending into the tapered front part of the body centrally to the longitudinal axis of the bullet
EP1502074B1 (en) 2002-04-30 2009-11-18 RUAG Ammotec GmbH Partial fragmentation and deformation bullets having an identical point of impact and proces for the manufacture of such a bullet
DE10325547B4 (en) * 2003-06-05 2005-06-23 Heckler & Koch Gmbh Hollow-point bullet
DE202005013495U1 (en) * 2005-08-25 2006-09-28 Witthoff, Karl-Heinz, Dipl.-Ing. Bullet comprises guide member with tip, and tip cylindrical section which locates into guide member blind hole
DE102009011093A1 (en) * 2009-03-03 2010-09-09 Brenneke Gmbh Subdivision projectile for hunting purposes

Also Published As

Publication number Publication date
EP2742313A1 (en) 2014-06-18
US20140202351A1 (en) 2014-07-24
WO2013020975A1 (en) 2013-02-14
DE102012015475A1 (en) 2013-02-14
RU2014108481A (en) 2015-09-20
US9003974B2 (en) 2015-04-14

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