EP0842390B1 - Fixed ammunition - Google Patents

Fixed ammunition Download PDF

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Publication number
EP0842390B1
EP0842390B1 EP96928331A EP96928331A EP0842390B1 EP 0842390 B1 EP0842390 B1 EP 0842390B1 EP 96928331 A EP96928331 A EP 96928331A EP 96928331 A EP96928331 A EP 96928331A EP 0842390 B1 EP0842390 B1 EP 0842390B1
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EP
European Patent Office
Prior art keywords
projectile
cartridge
pressure chamber
cartridge case
pressure
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
EP96928331A
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German (de)
French (fr)
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EP0842390A1 (en
Inventor
Willi Lübbers
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.)
Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Original Assignee
Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
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Publication of EP0842390A1 publication Critical patent/EP0842390A1/en
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Publication of EP0842390B1 publication Critical patent/EP0842390B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/067—Mounting or locking missiles in cartridge cases
    • 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
    • F42B12/38—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 tracer type

Definitions

  • the invention relates to cartridge ammunition, and especially a practice ammunition for one Grenade pistol or the like, for example in caliber 40 mm.
  • the invention is based on ammunition according to EP-B-0215042 the applicant. That in a cartridge case
  • the recorded floor has a fog charge as the active charge and carries a tracer at the rear.
  • the cartridge case has an ignition charge and one ignited by it Propellant charge to drive the projectile out of the Cartridge case on.
  • the propellant charge is in one in the Cartridge sleeve in the middle of the cartridge forms a high pressure room.
  • the cartridge is made by one Low pressure room surrounded by the inner walls the cartridge case and part of the bottom of the Storey is limited and with the high pressure room over insulated overflow openings is connected.
  • Furthermore, in the top end wall of the cartridge is a small one Ignition channel available in the rear of the floor arranged tracer leads out.
  • the floor is with the Cartridge connected below the connection point has a predetermined breaking point.
  • the propellant charge is ignited via the primer charge, pressure builds up in the high-pressure room, but not is sufficient to blow up the predetermined breaking point and the projectile to drive out.
  • the small through hole is the Tracer set ignited. Once the dam between High-pressure room and low-pressure room breaks open the overflow openings the propellant gases into the low pressure chamber and act on the rest of the bottom of the Storey. Are the pressures in the high pressure room and Low pressure room high enough breaks the Predetermined breaking point, causing the projectile from the Cartridge case is expelled. The trajectory of the The bullet is then burned through Marked tracer marks.
  • the tracer set can be from the rear thanks to this construction projectile of the projectile, so to speak as a tail, whereby the volume of the floor is practically complete for that Active charge can be used.
  • the The pressure curve in the high-pressure and low-pressure room is controlled in this way be that no steep gas peaks occur, the Pressure in the high pressure chamber even after the Tracer set still increases.
  • a pressure control is further possible in that the free end of the Tracer set z. B. by a cap with or several openings is covered, which after the Pulling out the tracer set from the high pressure room completes this more or less.
  • Sizing of the openings can be the clamping of the Propellant charge rate, that's the ratio of Burning surface of the propellant charge to the narrowest Cross section of the outlet or nozzle openings, see above be set to expel all pressure of the floor is essentially continuous.
  • the walls of the high pressure room are made Made of steel. This has the advantage that the Overflow openings from the high pressure room despite the high Temperature of the propellant charge combustion gases do not burn out, that is, their diameter when burning essentially maintained, so very good reproducible shooting results can be achieved.
  • the weight in steel the practice cartridge increases.
  • the walls of the high pressure room made of aluminum then burn out the overflow openings very strongly.
  • the invention is in one embodiment based on the Drawing explained in more detail.
  • FIG. 1 shows a partially sectioned representation of a cartridge ammunition 1 with a caliber of 40 mm.
  • the Ammunition 1 includes one Cartridge case 10, in the opening of a projectile 11th is arranged, for example as an active charge Fog charge and one arranged at the rear of the projectile Tracer 11b carries.
  • In one in the bottom of the Cartridge sleeve screwed cartridge 12 are one Ignition charge 13 and a propellant charge 14 housed.
  • the Cartridge 12 delimits a high-pressure space 21 in which the propellant charge 14 after ignition by the primer charge 13 burns off.
  • the cartridge 12 or at least the Walls delimiting high-pressure space are made of steel.
  • the high-pressure chamber 21 is through a plurality of overflow openings 22, which are initially covered by a dam 23, with a forming the interior of the cartridge case Low pressure space 10a connected by the walls of the Cartridge case and the floor of the floor 11 limited becomes.
  • the cartridge 12 is on its top with an upward projecting thread 24 on which a corresponding Internal thread 25 screwed into the rear of the projectile 11 becomes.
  • the cartridge 12 and the thread 24 In the area of the transition between the top wall the cartridge 12 and the thread 24 is one Breakage point 12d provided.
  • the tracer 11b within the internal thread 25 provided in one from the rear of the projectile projecting pipe 27 is added.
  • This tube 27 protrudes through an opening 28 in the top wall of the cartridge in the high-pressure chamber 21, the tube 27 in the Opening 28 is slidably and almost gas-tight.
  • the propellant charge 14 ignited so that in the high pressure chamber 21 through the Propellant builds up a high pressure, which eventually the Dam 23 blows at the overflow openings, so that The low-pressure chamber 10a also via these overflow openings is filled. Due to the pressure of the propellant gases, the Tracer set llb ignited. Once the to the bottom of the Projectile forces have a certain value exceed, the predetermined breaking point 12d tears open, after which the projectile 11 is expelled from the cartridge case. There here also the tube 27 of the tracer llb from the High pressure space 21 is pulled out, its volume enlarged.
  • the free end of the Tube 27 for tracer llb through a cap 29 are covered, in which several openings 30 are provided are.
  • the cap protrudes with a small flange 31 Outside diameter of the tube 27 out, so that Expelling the projectile 11, the cap 29 on the edge of the Opening 28 remains in the high-pressure chamber 21 and not flies with the projectile.
  • the opening 28 not as in the embodiment according to FIG Pulling out the tracer set completely released, but only in one by the dimensions by the Openings 30 predetermined extent. By appropriate Dimensioning of these openings 30 can the pressure curve can be controlled very finely.
  • the tube 27 of the Tracer set llb in the high pressure chamber 21 via a Route one which is about the diameter of the tube 27th corresponds. It should be noted that this Dimensioning is arbitrary; it just depends indicates that during the expulsion of the projectile up to final release from the cartridge case enlarged becomes.
  • FIG 4 is a cross section through the bottom of the Practice ammunition shown.
  • the reference numerals are for the individual components the same as in the previous ones Characters.
  • the cartridge 12 or its walls in the area of High pressure room 21 are not made of steel this time, but made of aluminum, then at least the walls of the Overflow openings 22 are anodized, which is indicated by 32 is indicated.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Glass Compositions (AREA)
  • Optical Head (AREA)
  • Flexible Shafts (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Pulleys (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Magnetically Actuated Valves (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Contacts (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

PCT No. PCT/DE96/01388 Sec. 371 Date May 11, 1998 Sec. 102(e) Date May 11, 1998 PCT Filed Jul. 22, 1996 PCT Pub. No. WO97/05445 PCT Pub. Date Feb. 13, 1997The cartridged ammunition comprises a projectile (11) and a cartridge case (10) receiving the latter. The cartridge case (10) contains a cartridge (12) limiting a high-pressure space (21) in which a propelling charge (14) is located. The cartridge (12) is surrounded by a low-pressure space (10a) limited by the inside walls of the cartridge case (10) and a part of the base of the projectile (11). At the rear of the projectile (11) a tracer composition (11b) is arranged in a tube (27) which protrudes through the upper wall of the cartridge (12) into the high-pressure space (21). Projectile and cartridge case are interconnected via a rated breaking point (12d). The pressure for expelling the projectile (11) from the cartridge case is supplied by the pressure both in the high-pressure space (21) and in the low-pressure space (10a). Upon expulsion the volume of the high-pressure space (21) is furthermore enlarged when the tracer composition is pulled out thereof. These measures avoid steep pressure peaks in the march of pressure upon expulsion of the projectile. At the same time, approximately the entire projectile volume is available for a service charge.

Description

Die Erfindung bezieht sich auf eine patronierte Munition, und zwar insbesondere eine Übungsmunition für eine Granatpistole oder dergleichen, beispielsweise im Kaliber 40 mm.The invention relates to cartridge ammunition, and especially a practice ammunition for one Grenade pistol or the like, for example in caliber 40 mm.

Die Erfindung geht aus von einer Munition gemäß der EP-B-0215042 der Anmelderin. Das in einer Patronenhülse aufgenommene Geschoß hat als Wirkladung eine Nebelladung und trägt am Heck einen Leuchtspursatz. Die Patronenhülse weist eine Zündladung und eine von dieser angezündete Treibladung zum Austreiben des Geschosses aus der Patronenhülse auf. Die Treibladung ist in einer in der Patronenhülse mittig gelegenen Kartusche aufgenommen, die einen Hochdruckraum bildet. Die Kartusche wird von einem Niederdruckraum umgeben, der ferner durch die Innenwände der Patronenhülse sowie einen Teil des Bodens des Geschosses begrenzt ist und mit dem Hochdruckraum über verdämmte Überströmöffnungen verbunden ist. Ferner ist in der oberen Abschlußwand der Kartusche ein kleiner Durchzündkanal vorhanden, der in den am Heck des Geschosses angeordneten Leuchtspursatz mündet. Das Geschoß ist mit der Kartusche verbunden, die unterhalb der Verbindungsstelle eine Sollbruchstelle aufweist.The invention is based on ammunition according to EP-B-0215042 the applicant. That in a cartridge case The recorded floor has a fog charge as the active charge and carries a tracer at the rear. The cartridge case has an ignition charge and one ignited by it Propellant charge to drive the projectile out of the Cartridge case on. The propellant charge is in one in the Cartridge sleeve in the middle of the cartridge forms a high pressure room. The cartridge is made by one Low pressure room surrounded by the inner walls the cartridge case and part of the bottom of the Storey is limited and with the high pressure room over insulated overflow openings is connected. Furthermore, in the top end wall of the cartridge is a small one Ignition channel available in the rear of the floor arranged tracer leads out. The floor is with the Cartridge connected below the connection point has a predetermined breaking point.

Wenn die Treibladung über die Zündladung gezündet wird, baut sich im Hochdruckraum ein Druck auf, der jedoch nicht ausreicht, die Sollbruchstelle zu sprengen und das Geschoß auszutreiben. Über die kleine Durchzündbohrung wird der Leuchtspursatz gezündet. Sobald die Verdämmung zwischen Hochdruckraum und Niederdruckraum aufbricht, treten über die Überströmöffnungen die Treibgase in den Niederdruckraum ein und wirken auf dem übrigen Teil des Bodens des Geschosses. Sind die Drucke im Hochdruckraum und Niederdruckraum ausreichend hoch, bricht die Sollbruchstelle auf, wodurch das Geschoß aus der Patronenhülse ausgetrieben wird. Die Flugbahn des Geschosses wird anschließend durch den abbrennenden Leuchtspursatz markiert.If the propellant charge is ignited via the primer charge, pressure builds up in the high-pressure room, but not is sufficient to blow up the predetermined breaking point and the projectile to drive out. The small through hole is the Tracer set ignited. Once the dam between High-pressure room and low-pressure room breaks open the overflow openings the propellant gases into the low pressure chamber and act on the rest of the bottom of the Storey. Are the pressures in the high pressure room and Low pressure room high enough breaks the Predetermined breaking point, causing the projectile from the Cartridge case is expelled. The trajectory of the The bullet is then burned through Marked tracer marks.

Durch die Aufteilung des Druckraumes zum Austreiben des Geschosses in einen Hochdruckraum und einen Niederdruckraum wirken die Kräfte, die in beiden Druckräumen erzeugt werden, zum Aufbrechen der Sollbruchstelle zwischen Geschoß und Patronenhülse zusammen, wodurch sich eine sehr gute Präzision hinsichtlich der Reproduzierbarkeit der Anfangsgeschwindigkeit des Geschosses und dessen Reichweite erzielen läßt. Diese Konstruktion hat sich in der Praxis vieltausendfach bewährt, und zwar sowohl in der Ausbildung als Übungsmunition als auchbei einer scharfen Munition.By dividing the pressure space to expel the Storey in a high pressure room and a low pressure room act the forces generated in both pressure rooms to break open the predetermined breaking point between storey and cartridge case together, which makes a very good Precision regarding the reproducibility of the Initial velocity of the projectile and its range can be achieved. This construction has been put into practice Proven thousands of times, both in training as practice ammunition as well as with live ammunition.

Bei dieser bekannten patronierten Munition reicht der Leuchtspursatz in den Geschoßkörper hinein, wodurch dessen Platz nicht für die Wirkladung, sei es eine Übungsladung oder eine scharfe Ladung, genutzt werden kann.With this well-known cartridge ammunition it is enough Tracer traces into the projectile body, thereby No space for the real charge, be it a practice charge or a sharp load, can be used.

Gemäß der Erfindung wird nun vorgeschlagen, den in einem üblicherweise in einem Rohr aufgenommenen Leuchtspursatz in den Hochdruckraum hineinragen zu lassen, so daß dieser nach Aufbrechen der Sollbruchstelle bei einem Austreiben des Geschosses aus dem Hochdruckraum herausgezogen wird. Dabei wird gleichzeitig das Volumen des Hochdruckraumes vergrößert. According to the invention it is now proposed that in one Usually traces of light trapped in a tube in to let the high pressure space protrude so that it follows Breaking the predetermined breaking point when the Projectile is pulled out of the high pressure room. Here becomes the volume of the high pressure space at the same time enlarged.

Mit dieser Konstruktion werden im wesentlichen zwei Vorteile erreicht:With this construction there are essentially two Advantages achieved:

Der Leuchtspursatz kann durch diese Konstruktion vom Heck des Geschosses, sozusagen als Schwanz, wegragen, wodurch das Volumen des Geschosses praktisch vollständig für die Wirkladung verwendet werden kann.The tracer set can be from the rear thanks to this construction projectile of the projectile, so to speak as a tail, whereby the volume of the floor is practically complete for that Active charge can be used.

Des weiteren wird durch das Herausziehen des Leuchtspursatzes aus dem Hochdruckraum dessen Volumen beim Austreiben des Geschosses vergrößert. Dieses hat den Vorteil, daß steile Druckspitzen verhindert werden. Hiermit wird ein Vorteil erreicht, der in der oben erwähnten EP-B-0215024 für ein weiteres Ausführungsbeispiel erläutert ist, bei dem der Hochdruckraum durch zwei konzentrisch zueinander angeordnete und beim Austreiben des Geschosses ausziehbare Hülsen gebildet wird. Die Vergrößerung des Volumens des Hochdruckraumes trägt ebenfalls zu einer konstanten, nahezu temperaturunabhängigen Anfangsgeschwindigkeit des Geschosses bei, so daß in einem weiten Temperaturbereich reproduzierbare Schießergebnisse erzielt werden.Furthermore, by pulling out the Tracer set from the high pressure room whose volume at Expelling the projectile enlarged. This has that The advantage of preventing steep pressure peaks. Herewith an advantage is achieved that in EP-B-0215024 mentioned above is explained for a further embodiment, where the high pressure space is concentric by two arranged to each other and when driving out the projectile extendable sleeves is formed. The enlargement of the Volume of the high pressure room also contributes to one constant, almost temperature-independent Initial velocity of the projectile at, so that in one wide temperature range reproducible shooting results be achieved.

Mit der Konstruktion gemäß der Erfindung kann der Druckverlauf im Hochdruck- und Niederdruckraum so gesteuert werden, daß keine steilen Gasspitzen auftreten, wobei der Druck im Hochdruckraum auch nach dem Ausziehen des Leuchtspursatzes noch ansteigt. Eine Drucksteuerung ist ferner dadurch möglich, daß das freie Ende des Leuchtspursatzes z. B. durch eine Kappe mit einer oder mehreren Öffnungen abgedeckt wird, die nach dem Herausziehen des Leuchtspursatzes aus dem Hochdruckraum diesen mehr oder minder abschließt. Bei entsprechender Dimensionierung der Öffnungen kann die Klemmung des Treibladungssatzes, das ist das Verhältnisder Abbrandoberfläche des Treibladungssatzes zum engsten Querschnitt der Austritts- bzw. Düsenöffnungen, so eingestellt werden, daß der gesamte Druck zum Austreiben des Geschosses im wesentlichen stetig verläuft.With the construction according to the invention, the The pressure curve in the high-pressure and low-pressure room is controlled in this way be that no steep gas peaks occur, the Pressure in the high pressure chamber even after the Tracer set still increases. A pressure control is further possible in that the free end of the Tracer set z. B. by a cap with or several openings is covered, which after the Pulling out the tracer set from the high pressure room completes this more or less. With appropriate Sizing of the openings can be the clamping of the Propellant charge rate, that's the ratio of Burning surface of the propellant charge to the narrowest Cross section of the outlet or nozzle openings, see above be set to expel all pressure of the floor is essentially continuous.

Üblicherweise werden die Wände des Hochdruckraumes aus Stahl gefertigt. Dies hat den Vorteil, daß die Überströmöffnungen aus dem Hochdruckraum trotz der hohen Temperatur der Verbrennungsgase des Treibladungssatzes nicht ausbrennen, das heißt, ihren Durchmesser beim Abbrand im wesentlichen beibehalten, so daß sehr gut reproduzierbare Schießergebnisse erreicht werden. Andererseits wird durch die Ausführung in Stahl das Gewicht der Übungspatrone erhöht. Werden jedoch aus Gewichtsgründen die Wände des Hochdruckraumes aus Aluminium gefertigt, dann brennen die Überströmöffnungen sehr stark aus. Außerdem werden die abbrennenden Aluminiumteilchen aus dem Abschußrohr getrieben, so daß ein relativ starkes Mündungsfeuer erzeugt wird. Gerade dieses will man jedoch unterdrücken. Es wurde nun gefunden, daß das Ausbrennen der Überströmöffnungen und damit auch das Mündungsfeuer stark reduziert werden können, wenn die Hochdruckkammer aus Aliminium gefertigt wird und die Wände zumindest der Überströmöffnungen eloxiert werdenUsually the walls of the high pressure room are made Made of steel. This has the advantage that the Overflow openings from the high pressure room despite the high Temperature of the propellant charge combustion gases do not burn out, that is, their diameter when burning essentially maintained, so very good reproducible shooting results can be achieved. On the other hand, the weight in steel the practice cartridge increases. However, due to weight reasons the walls of the high pressure room made of aluminum, then burn out the overflow openings very strongly. Furthermore the burning aluminum particles from the Launch tube driven, making it a relatively strong one Muzzle flash is generated. But this is exactly what you want suppress. It has now been found that the burnout of the Overflow openings and thus the muzzle flash strong can be reduced when the high pressure chamber is off Aliminium is made and at least the walls Overflow openings are anodized

Weitere Ausgestaltungen der Erfindung gehen aus den Unteransprüchen hervor.Further refinements of the invention result from the Sub-claims emerge.

Die Erfindung ist in einem Ausführungsbeispiel anhand der Zeichnung näher erläutert.The invention is in one embodiment based on the Drawing explained in more detail.

In dieser stellen dar:

  • Figur 1 eine teilweise geschnittene Darstellung einer patronierten Übungsmunition gemäß der Erfindung aus einem Geschoß und einer Patronenhülse;
  • Figur 2 die Munition nach Abtrennen des Geschosses von der Patronenhülse;
  • Figur 3 eine geschnittene vergrößerte Darstellung eines Leuchtspursatzes für eine patronierte Munition gemäß der Erfindung;
  • Figur 4 eine geschnittene Darstellung einer Kartusche der Übungsmunition mit Wänden aus Aliminium.
    • In this represent:
  • Figure 1 is a partially sectioned illustration of a cartridge practice ammunition according to the invention from a projectile and a cartridge case;
  • Figure 2 shows the ammunition after detaching the projectile from the cartridge case;
  • Figure 3 is a sectional enlarged view of a tracer set for a cartridge ammunition according to the invention;
  • Figure 4 is a sectional view of a cartridge of the practice ammunition with walls made of aluminum.

    • Figur 1 zeigt eine teilweise geschnittene Darstellung einer patronierten Munition 1 mit einem Kaliber von 40 mm. Die Munition 1 umfaßt eine Patronenhülse 10, in deren Öffnung ein Geschoß 11 angeordnet ist, das beispielsweise als Wirkladung eine Nebelladung und einen am Heck des Geschosses angeordneten Leuchtspursatz 11b trägt. In einer in den Boden der Patronenhülse eingeschraubten Kartusche 12 sind eine Zündladung 13 und eine Treibladung 14 untergebracht. Die Kartusche 12 begrenzt hierbei einen Hochdruckraum 21, in dem die Treibladung 14 nach Anzünden durch die Zündladung 13 abbrennt.Die Kartusche 12 bzw zumidest die den Hochdruckraum begerenzenden Wände sind hierbei aus Stahl. Der Hochdruckraum 21 ist über mehrere Überströmöffnungen 22, die zunächst durch eine Verdämmung 23 abgedeckt sind, mit einem den Innenraum der Patronenhülse bildenden Niederdruckraum 10a verbunden, der durch die Wände der Patronenhülse und den Boden des Geschosses 11 begrenzt wird.Figure 1 shows a partially sectioned representation of a cartridge ammunition 1 with a caliber of 40 mm. The Ammunition 1 includes one Cartridge case 10, in the opening of a projectile 11th is arranged, for example as an active charge Fog charge and one arranged at the rear of the projectile Tracer 11b carries. In one in the bottom of the Cartridge sleeve screwed cartridge 12 are one Ignition charge 13 and a propellant charge 14 housed. The Cartridge 12 delimits a high-pressure space 21 in which the propellant charge 14 after ignition by the primer charge 13 burns off. The cartridge 12 or at least the Walls delimiting high-pressure space are made of steel. The high-pressure chamber 21 is through a plurality of overflow openings 22, which are initially covered by a dam 23, with a forming the interior of the cartridge case Low pressure space 10a connected by the walls of the Cartridge case and the floor of the floor 11 limited becomes.

    Die Kartusche 12 ist an ihrer Oberseite mit einem nach oben ragenden Gewinde 24 versehen, auf das ein entsprechendes Innengewinde 25 am Heck des Geschosses 11 eingeschraubt wird. Im Bereich des Überganges zwischen der oberen Wand der Kartusche 12 und dem Gewinde 24 ist eine Sollbruchstelle 12d vorgesehen. Am Heck des Geschosses 11 ist innerhalb des Innengewindes 25 der Leuchtspursatz 11b vorgesehen, der in einem vom Heck des Geschosses wegragenden Rohr 27 aufgenommen ist. Dieses Rohr 27 ragt durch eine Öffnung 28 in der oberen Wand der Kartusche in den Hochdruckraum 21 hinein, wobei das Rohr 27 in der Öffnung 28 gleitend und annähernd gasdicht gelagert ist.The cartridge 12 is on its top with an upward projecting thread 24 on which a corresponding Internal thread 25 screwed into the rear of the projectile 11 becomes. In the area of the transition between the top wall the cartridge 12 and the thread 24 is one Breakage point 12d provided. At the rear of floor 11 is the tracer 11b within the internal thread 25 provided in one from the rear of the projectile projecting pipe 27 is added. This tube 27 protrudes through an opening 28 in the top wall of the cartridge in the high-pressure chamber 21, the tube 27 in the Opening 28 is slidably and almost gas-tight.

    Die Funktion der beschriebenen Munition ist folgende:The function of the described ammunition is as follows:

    Nach Zünden des Zündsatzes 13 wird die Treibladung 14 gezündet, so daß sich in dem Hochdruckraum 21 durch die Treibgase ein hoher Druck aufbaut, der schließlich die Verdämmung 23 an den Überströmöffnungen sprengt, so daß über diese Überströmöffnungen auch der Niederdruckraum 10a gefüllt wird. Durch den Druck der Treibgase wird zudem der Leuchtspursatz llb gezündet. Sobald die auf den Boden des Geschosses wirkenden Kräfte einen bestimmten Wert überschreiten, reißt die Sollbruchstelle 12d auf, wonach das Geschoß 11 aus der Patronenhülse ausgetrieben wird. Da hierbei auch das Rohr 27 des Leuchtspursatzes llb aus dem Hochdruckraum 21 herausgezogen wird, wird dessen Volumen vergrößert.After igniting the primer 13, the propellant charge 14 ignited so that in the high pressure chamber 21 through the Propellant builds up a high pressure, which eventually the Dam 23 blows at the overflow openings, so that The low-pressure chamber 10a also via these overflow openings is filled. Due to the pressure of the propellant gases, the Tracer set llb ignited. Once the to the bottom of the Projectile forces have a certain value exceed, the predetermined breaking point 12d tears open, after which the projectile 11 is expelled from the cartridge case. There here also the tube 27 of the tracer llb from the High pressure space 21 is pulled out, its volume enlarged.

    Um den Verlauf des DruckesZum Austreiben des Geschosses aus der Patronenhülse zu steuern, kann das freie Ende des Rohres 27 für den Leuchtspursatz llb durch eine Kappe 29 abgedeckt werden, in der mehrere Öffnungen 30 vorgesehen sind. Die Kappe ragt mit einem kleinen Flansch 31 über den Außendurchmesser des Rohres 27 heraus, so daß beim Austreiben des Geschosses 11 die Kappe 29 am Rand der Öffnung 28 in dem Hochdruckraum 21 hängen bleibt und nicht mit dem Geschoß mitfliegt. Hiermit wird die Öffnung 28 nicht wie bei dem Ausführungsbeispiel gemäß Figur 1 nach Herausziehen des Leuchtspursatzes vollständig freigegeben, sondern nur in einem durch die Dimensionen durch die Öffnungen 30 vorgegebenen Ausmaß. Durch entsprechende Dimensionierung dieser Öffnungen 30 kann der Druckverlauf sehr fein gesteuert werden.In order to expel the projectile to control the cartridge case, the free end of the Tube 27 for tracer llb through a cap 29 are covered, in which several openings 30 are provided are. The cap protrudes with a small flange 31 Outside diameter of the tube 27 out, so that Expelling the projectile 11, the cap 29 on the edge of the Opening 28 remains in the high-pressure chamber 21 and not flies with the projectile. Hereby the opening 28 not as in the embodiment according to FIG Pulling out the tracer set completely released, but only in one by the dimensions by the Openings 30 predetermined extent. By appropriate Dimensioning of these openings 30 can the pressure curve can be controlled very finely.

    Bei dem Ausführungsbeispiel taucht das Rohr 27 des Leuchtspursatzes llb in den Hochdruckraum 21 über eine Strecke ein, die etwa dem Durchmesser des Rohres 27 entspricht. Es sei darauf hingewiesen, daß diese Dimensionierung willkürlich ist; es kommt lediglich darauf an, daß während des Austreibens des Geschosses bis zum endgültigen Freigeben aus der Patronenhülse vergrößert wird.In the embodiment, the tube 27 of the Tracer set llb in the high pressure chamber 21 via a Route one, which is about the diameter of the tube 27th corresponds. It should be noted that this Dimensioning is arbitrary; it just depends indicates that during the expulsion of the projectile up to final release from the cartridge case enlarged becomes.

    Im übrigen können durch entsprechende Formung, insbesondere Durchmesser, Querschnitt und Länge des heckseitigen Leuchtspursatzes die aerodynamischen Eigenschaften von Geschossen beeinflußt werden.Otherwise, by appropriate shaping, in particular Diameter, cross section and length of the rear Tracer the aerodynamic properties of Bullets are affected.

    In Figur 4 ist ein Querschnitt durch den Bodenbereich der Übungsmunition gezeigt. Die Bezugszeichen sind für die einzelnen Komponenten dieselben wie in den vorhergehenden Figuren. Die Kartusche 12 bzw. deren Wände im Bereich des Hochdruckraumes 21 sind diesmal nicht aus Stahl, sondern aus Aluminium, wobei dann zumindest die Wände der Überströmöffnungen 22 eloxiert sind, was durch 32 angedeutet ist.In Figure 4 is a cross section through the bottom of the Practice ammunition shown. The reference numerals are for the individual components the same as in the previous ones Characters. The cartridge 12 or its walls in the area of High pressure room 21 are not made of steel this time, but made of aluminum, then at least the walls of the Overflow openings 22 are anodized, which is indicated by 32 is indicated.

    Claims (5)

    1. Ammunition round (1), more particularly an artillery shell, comprising a projectile (11) and a cartridge case (10) housing the latter, the projectile (11) incoporating an active charge and at the base a tracer composition (11b), and the cartridge case (10) receiving an explosive charge (13), a cartridge (12) which delimits a high-pressure chamber (21) and contains a propellant charge (14) and which is located centrally in the cartridge case (10), as well as receiving a low-pressure chamber (10a) which surrounds the cartridge (12) and is delimited by the internal walls of the cartridge case (10) and by part of the floor of the projectile (11) and is connected to the high-pressure chamber (21) via overflow openings (22), and the projectile being joined to the cartridge (12) and the latter incorporating a predetermined breaking point (12d), characterised in that the tracer composition (11b) is housed in a tube (27) which juts away centrally from the base of the projectile (11), passes through the upper wall of the cartridge (12), is supported in this wall, in a gas tight-manner and so as to be able to slide, substantially in an opening (28), and projects into the high-pressure chamber (21), with the result that breaking open the predetermined breaking point (12d) causes the tube to be withdrawn from the high-pressure chamber (21), increasing the volume of the latter.
    2. Ammunition round according to claim 1, characterised in that the overflow openings (22) opposite the high-pressure chamber (21) are provided with a physical barrier (22) which breaks open when the pressure inside the high-pressure chamber (21) reaches a certain level.
    3. Ammunition round according to claim 1 or 2, characterised in that the end of the tracer composition (11b) that projects into the high-pressure chamber (21) is closed by a cap (29) which incorporates openings (30) and is constructed in such a manner that it remains in the high-pressure chamber (21) after the projectile (11) has been expelled from the cartridge case (10), and covers the opening (28) for the tube (27) of the tracer composition (11b).
    4. Ammunition round according to any of the preceding claims, characterised in that the walls of the cartridge (12) are made of steel in the region of the high-pressure chamber (12).
    5. Ammunition round according to any of claims 1 to 3, characterised in that the walls of the cartridge (12) are made of aluminium in the region of the high-pressure chamber (21), and that at least the walls of the overflow openings (22) are anodised (at 32).
    EP96928331A 1995-07-28 1996-07-22 Fixed ammunition Expired - Lifetime EP0842390B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19527621A DE19527621A1 (en) 1995-07-28 1995-07-28 Cartridge ammunition
    DE19527621 1995-07-28
    PCT/DE1996/001388 WO1997005445A1 (en) 1995-07-28 1996-07-22 Fixed ammunition

    Publications (2)

    Publication Number Publication Date
    EP0842390A1 EP0842390A1 (en) 1998-05-20
    EP0842390B1 true EP0842390B1 (en) 1999-09-29

    Family

    ID=7768026

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96928331A Expired - Lifetime EP0842390B1 (en) 1995-07-28 1996-07-22 Fixed ammunition

    Country Status (15)

    Country Link
    US (1) US5936189A (en)
    EP (1) EP0842390B1 (en)
    JP (1) JP3904234B2 (en)
    KR (1) KR100436638B1 (en)
    AT (1) ATE185192T1 (en)
    AU (1) AU6784996A (en)
    CA (1) CA2227987C (en)
    DE (2) DE19527621A1 (en)
    ES (1) ES2139379T3 (en)
    IL (1) IL118906A (en)
    MY (1) MY123758A (en)
    NO (1) NO308331B1 (en)
    TR (1) TR199800124T1 (en)
    WO (1) WO1997005445A1 (en)
    ZA (1) ZA966188B (en)

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    FR2831256A1 (en) * 2001-10-22 2003-04-25 Guy Cognet Practice round, for firing exercises or sporting use, has cartridge case with inner chamber of reduced diameter and less explosive content
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    SE0302916D0 (en) * 2003-11-04 2003-11-04 Comtri Teknik Ab Replaceable drive cartridge
    DE102004017464B4 (en) * 2004-04-08 2006-05-18 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG Patronized exercise ammunition
    WO2005098348A1 (en) 2004-04-08 2005-10-20 Nico Pyrotechnik Hanns-Jürgen Diederichs Gmbh & Co. Kg Cartridged ammunition, especially of an average caliber
    DE102004020838B3 (en) 2004-04-08 2005-06-23 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG Medium-caliber cartridge munition used for practice, includes passages through casing from chamber containing propellant charge, which are filled with melting alloy
    DE102005053491B4 (en) * 2005-11-09 2015-05-13 Rheinmetall Waffe Munition Gmbh Projectile with marking of the impact point
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    BR112012004547A2 (en) 2009-09-03 2020-08-25 Kms Consulting Llc. "cartridge ammunition"
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    EP2734805A1 (en) * 2011-07-21 2014-05-28 Diehl BGT Defence GmbH & Co.KG Cartridge ammunition
    US9010248B1 (en) * 2011-12-19 2015-04-21 The United States Of America As Represented By The Secretary Of The Army 40 mm gun sleeve cartridge case for M320 grenade launcher ammunition
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    Also Published As

    Publication number Publication date
    NO980049L (en) 1998-01-06
    KR100436638B1 (en) 2004-09-04
    JP3904234B2 (en) 2007-04-11
    JPH11510242A (en) 1999-09-07
    NO980049D0 (en) 1998-01-06
    KR19990035959A (en) 1999-05-25
    AU6784996A (en) 1997-02-26
    CA2227987C (en) 2006-10-03
    DE59603238D1 (en) 1999-11-04
    ZA966188B (en) 1997-02-10
    DE19527621A1 (en) 1997-01-30
    MY123758A (en) 2006-06-30
    IL118906A (en) 2000-09-28
    CA2227987A1 (en) 1997-02-13
    TR199800124T1 (en) 1998-05-21
    US5936189A (en) 1999-08-10
    EP0842390A1 (en) 1998-05-20
    IL118906A0 (en) 1996-10-31
    ATE185192T1 (en) 1999-10-15
    ES2139379T3 (en) 2000-02-01
    WO1997005445A1 (en) 1997-02-13
    NO308331B1 (en) 2000-08-28

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