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EP0918206A2 - Fragmentation casing for ammunition - Google Patents

Fragmentation casing for ammunition Download PDF

Info

Publication number
EP0918206A2
EP0918206A2 EP98121469A EP98121469A EP0918206A2 EP 0918206 A2 EP0918206 A2 EP 0918206A2 EP 98121469 A EP98121469 A EP 98121469A EP 98121469 A EP98121469 A EP 98121469A EP 0918206 A2 EP0918206 A2 EP 0918206A2
Authority
EP
European Patent Office
Prior art keywords
splinter
shell
rings
splinters
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98121469A
Other languages
German (de)
French (fr)
Other versions
EP0918206B1 (en
EP0918206A3 (en
Inventor
Gerald Rieger
Manfred Dr. Schildknecht
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.)
Diehl Stiftung and Co KG
Original Assignee
Diehl Stiftung and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Diehl Stiftung and Co KG filed Critical Diehl Stiftung and Co KG
Publication of EP0918206A2 publication Critical patent/EP0918206A2/en
Publication of EP0918206A3 publication Critical patent/EP0918206A3/en
Application granted granted Critical
Publication of EP0918206B1 publication Critical patent/EP0918206B1/en
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
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/28—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the projectile wall being built from annular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/26—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the projectile wall being formed by a spirally-wound element

Definitions

  • the invention relates to a fragmentation shell for ammunition according to the preamble of claim 1.
  • the invention has for its object to provide measures in a splinter shell, the fragment sizes largely defined when the explosive detonates leads.
  • a shell 1 shows in its inner wall 2 plate-shaped, sharp-edged splinters 3 made of heavy metal or high-strength steel
  • the splitters 3 are by a Pressing process molded into the inner wall 2.
  • the shell is subject to 1 - starting from the edges 4 - stress zones 5.
  • the advantage is also achieved that Stress zones 5 the shaping of the projectile shell 1 into fragments takes place more quickly and less energy is required for fragmentation from the shell 1.
  • An adhesive 7 serves as an additional fastening means for the splitters 3 with one another and for the splitter 3 for attachment to the shell 1 view is sufficient for the attachment of the splinters 3 on the projectile casing 1 the impression.
  • the adhesive 7 also serves to increase the fragmentation speed in which the Cavities 7 are filled by the adhesive 7. An energy consuming deformation the splinter 3 is blown into the cavities 9,9.1,9.2 by the explosive pressure largely avoided.
  • the splitters 3 according to FIG. 2 are either individual splitters, notched on their outer side 13 Splinter rings or 13 notched fragment spirals 24 on their outside.
  • the embedding material for the splitters 3 or split rings 10 or split helix 11, which is designated as adhesive 7, corresponds or largely corresponds to that Density and strength of the fragments 3 or the fragment rings 10 or the fragment spiral 11.
  • the embedding material or filler material therefore has the same shock wave impedance, like the splinters 3 on.
  • This is characterized by an embedding material Tungsten carbide, optionally with a binder component or by adding a metal component reached in a binder.
  • the cavities 9, 9.1, 9.2 between the splitters 3 with one another or between the splinters 3, the splinter rings 10, the splinter spiral 11 relative to the splinter shirt 8 or the fragment cover 1 are with the adhesive 7 or an embedding material, filled in as described above.
  • An energy consuming deformation of the Splitter 3 or the not shown splitter of the pre-notched splinter rings 10 or the fragment spiral 11 into the cavities 9, 9.1, 9.2 largely avoided. This will significantly increase the fragmentation speed reached.
  • hard splinters 3 which are harder than the shell 1 is due to Pre-notching, i.e. partial deformation, in the pressing process or calibration process in the edge area of the shell 1 before.
  • a fragment ring 10 or a fragment spiral 11 on their the explosive charge facing inside 6 according to FIG. 5 notches 12 on the the disassembly of the fragment rings 10 or the assembled into a package Favor fragment spiral 11 to individual fragments.
  • the sharp-edged splinter rings 10 and the fragment helix 11 are calibrated after it has been introduced into the projectile casing 1, so that after calibration ring-shaped tension zones 5 arise in the projectile casing 1 and / or caused by the explosive pressure in the shell 1.

Landscapes

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

Abstract

A shell for munition is made of a hard material outer shell (1) and with an inner shell of sharp edged fragments (3) embedded in adhesive and with an inner thin shell (8) to hold the fragments against the outer shell. The hardness of the fragments matches that of the outer shell, or is less than that of the outer shell. The adhesive contains hard chips of a heavy metal.

Description

Die Erfindung bezieht sich auf eine Splitterhülle für Munition nach dem Oberbegriff des Anspruchs 1.The invention relates to a fragmentation shell for ammunition according to the preamble of claim 1.

Aus der US-PS 4,381,692 ist bekannt, an der Außenseite eines Geschosses scharfkantige, kubische Splitter in Zirkon einzubetten, wobei die äußere Geschoßhülle mit dem Zirkon beschichtet ist. Die Splitter sind außenseitig mit einem dünnen Material umhüllt.From US Pat. No. 4,381,692 it is known that sharp-edged, embed cubic splinters in zircon, leaving the outer shell is coated with the zircon. The splinters are thin on the outside Material wrapped.

Der Erfindung liegt die Aufgabe zugrunde, bei einer Splitterhülle Maßnahmen vorzusehen, die bei Detonation des Sprengstoffs zu weitgehend definierten Splittergrößen führt.The invention has for its object to provide measures in a splinter shell, the fragment sizes largely defined when the explosive detonates leads.

Die Erfindung löst diese Aufgabe entsprechend den kennzeichnenden Merkmalen des Anspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind den Unteransprüchen zu entnehmen.The invention solves this problem according to the characterizing features of claim 1. Advantageous developments of the invention are the dependent claims refer to.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Es zeigt:

Fig. 1
einen Teilquerschnitt durch eine Splitterhülle eines Geschosses,
Fig. 2
eine vergrößert gezeichnete Einzelheit II nach Fig. 1,
Fig. 3,4
einen vorgekerbten Splitterring und eine Splitterwendel in der Ansicht und
Fig. 5
in gestreckter Darstellung einen vergrößert gezeichneten Ausschnitt V nach den Fig. 3, 4.
An embodiment of the invention is shown in the drawing. It shows:
Fig. 1
a partial cross section through a fragment shell of a floor,
Fig. 2
2 shows an enlarged detail II according to FIG. 1,
Fig. 3.4
a notched fragment ring and a fragment spiral in the view and
Fig. 5
in a stretched representation an enlarged section V according to FIGS. 3, 4.

Ein Geschoßhülle 1 zeigt in ihrer Innenwand 2 plattenförmige, scharfkantige Splitter 3 aus Schwermetall oder aus hochfestem Stahl Die Splitter 3 sind durch ein Preßverfahren in die Innenwand 2 eingeformt. Dadurch unterliegt die Geschoßhülle 1 - ausgehend von den Kanten 4 - Spannungszonen 5.A shell 1 shows in its inner wall 2 plate-shaped, sharp-edged splinters 3 made of heavy metal or high-strength steel The splitters 3 are by a Pressing process molded into the inner wall 2. As a result, the shell is subject to 1 - starting from the edges 4 - stress zones 5.

Bei Detonation einer Sprengladung 6, die in der Geschoßhülle 1 angeordnet ist, bricht die Geschoßhülle 1 bevorzugt in den Spannungszonen 5 und bildet geometrisch definierte Splitter.Upon detonation of an explosive charge 6, which is arranged in the shell 1, breaks the shell 1 preferably in the tension zones 5 and forms geometrically defined splinters.

Neben diesen definierten Splittern wird noch der Vorteil erreicht, daß durch die Spannungszonen 5 die Umformung der Geschoßhülle 1 in Splitter rascher erfolgt und weniger Energie zur Splitterzerlegung aus der Geschoßhülle 1 benötigt wird.In addition to these defined splinters, the advantage is also achieved that Stress zones 5 the shaping of the projectile shell 1 into fragments takes place more quickly and less energy is required for fragmentation from the shell 1.

Ein Kleber 7 dient als zusätzliches Befestigungsmittel für die Splitter 3 untereinander und für die Splitter 3 zur Befestigung an der Geschoßhülle 1 Ansich reicht für die Befestigung der Splitter 3 an der Geschoßhülle 1 die Einprägung.An adhesive 7 serves as an additional fastening means for the splitters 3 with one another and for the splitter 3 for attachment to the shell 1 view is sufficient for the attachment of the splinters 3 on the projectile casing 1 the impression.

Der Kleber 7 dient auch zur Steigerung der Splittergeschwindigkeit, in dem die Hohlräume 7 durch den Kleber 7 ausgefüllt sind. Ein energieaufzehrende Verformung der Splitter 3 durch den Sprengdruck in die Hohlräume 9,9.1,9.2 hinein wird dadurch weitgehend vermieden.The adhesive 7 also serves to increase the fragmentation speed in which the Cavities 7 are filled by the adhesive 7. An energy consuming deformation the splinter 3 is blown into the cavities 9,9.1,9.2 by the explosive pressure largely avoided.

Die Splitter 3 nach Fig. 2 sind entweder Einzelsplitter, an ihrer Außenseite 13 vorgekerbte Splitterringe oder an ihrer Außenseite 13 vorgekerbte Splitterwendeln 24.The splitters 3 according to FIG. 2 are either individual splitters, notched on their outer side 13 Splinter rings or 13 notched fragment spirals 24 on their outside.

Das Einbettungsmaterial für die Splitter 3 bzw. Splitterringe 10 bzw. Splitterwendel 11, das als Kleber 7 bezeichnet ist, entspricht oder entspricht weitgehend der Dichte und Festigkeit der Splitter 3 bzw. der Splitterringe 10 bzw. der Splitterwendel 11. Damit weist das Einbettungsmaterial oder Füllmaterial dieselbe Stoßwelleninpedanz, wie die Splitter 3 auf. Dies wird durch ein Einbettungsmaterial aus Hartmetall, gegebenfalls mit einem Binderanteil oder durch Zugabe eines Metallanteils in einen Binder erreicht. Jede dieser Maßnahmen bewirkt eine günstige Übertragung der Detonationsenergie in kinetische Energie der Splitter 3. The embedding material for the splitters 3 or split rings 10 or split helix 11, which is designated as adhesive 7, corresponds or largely corresponds to that Density and strength of the fragments 3 or the fragment rings 10 or the fragment spiral 11. The embedding material or filler material therefore has the same shock wave impedance, like the splinters 3 on. This is characterized by an embedding material Tungsten carbide, optionally with a binder component or by adding a metal component reached in a binder. Each of these measures results in a favorable transfer the detonation energy into kinetic energy of the fragments 3.

Die Hohlräume 9, 9.1, 9.2 zwischen den Splittern3 untereinander bzw. zwischen den Splittern 3, den Splitterringen 10, der Splitterwendel 11 gegenüber dem Splitterhemd 8 bzw. der Splitterhülle 1 sind mit dem Kleber 7 bzw. einem Einbettungsmaterial, wie vorbeschrieben ausgefüllt. Eine energieaufzehrende Verformung der Splitter 3 bzw. der nicht weiter dargestellten Splitter der vorgekerbten Splitterringe 10 bzw. der Splitterwendel 11 in die Hohlräume 9, 9.1, 9.2 hinein wird dadurch weitgehend vermieden. Damit wird eine erhebliche Steigerung der Splittergeschwindigkeit erreicht.The cavities 9, 9.1, 9.2 between the splitters 3 with one another or between the splinters 3, the splinter rings 10, the splinter spiral 11 relative to the splinter shirt 8 or the fragment cover 1 are with the adhesive 7 or an embedding material, filled in as described above. An energy consuming deformation of the Splitter 3 or the not shown splitter of the pre-notched splinter rings 10 or the fragment spiral 11 into the cavities 9, 9.1, 9.2 largely avoided. This will significantly increase the fragmentation speed reached.

Als weitere Sicherung für die einzelnen Splitter 3 an der Geschoßhülle 1 und zur besseren Übertragung der Detonationsenergie dient ein sogenanntes, als dünner Zylinder aus Aluminium oder Stahl bestehendes Splitterhemd 8.As a further backup for the individual fragments 3 on the shell 1 and A better transmission of the detonation energy is used as a thinner one Splinter shirt made of aluminum or steel 8.

Bei harten Splittern 3, die also härter sind als die Geschoßhülle 1 liegt aufgrund des Preßverfahrens bzw. Kalibrierverfahrens eine Vorkerbung, also eine partielle Verformung im Kantenbereich der Geschoßhülle 1 vor.In hard splinters 3, which are harder than the shell 1 is due to Pre-notching, i.e. partial deformation, in the pressing process or calibration process in the edge area of the shell 1 before.

Bei gleichharten Splittern 3, deren Härte also der Härte der Geschoßhülle 1 entspricht, entstehen, auf die Kanten 4 bezogene erhöhte Spannungen 5 in der Geschoßhülle 1.With splitters 3 of the same hardness, the hardness of which corresponds to the hardness of the shell 1, arise on the edges 4 related increased stresses 5 in the shell 1.

Bei Splittern 3, die weicher sind als die Geschoßhülle 1, erfolgt beim Kalibrieren eine Abplattung der Kanten 4 sowie eine Anpassung der Kanten 4 an den Radius der Innenwand 2 der Geschoßhülle 1. Dementsprechend liegen bei Auftreten des Sprengdrucks aufgrund des spezifisch kleineren Flächendrucks an den Kanten 4 auch Spannungszonen 5 mit etwas kleineren Spannungen vor.In the case of splinters 3 which are softer than the projectile casing 1, this is done during calibration a flattening of the edges 4 and an adaptation of the edges 4 to the radius the inner wall 2 of the projectile casing 1. Accordingly, when the Explosive pressure due to the specifically smaller surface pressure at the edges 4 also stress zones 5 with somewhat smaller voltages.

Nach den Fig. 3 und 4 weist ein Splitterring 10 bzw. eine Splitterwendel 11 an ihrer, der Sprengladung zugewandten Innenseite 6 gemäß Fig. 5 Kerben 12 auf die die Zerlegung der zu einem Paket zusammengestellten Splitterringe 10 bzw. der Splitterwendel 11 zu Einzelsplittern begünstigen. 3 and 4, a fragment ring 10 or a fragment spiral 11 on their the explosive charge facing inside 6 according to FIG. 5 notches 12 on the the disassembly of the fragment rings 10 or the assembled into a package Favor fragment spiral 11 to individual fragments.

Die scharfkantig ausgebildeten Splitterringe 10 bzw. die Splitterwendel 11 werden nach ihrem Einbringen in die Geschoßhülle 1 kalibriert, so daß nach dem Kalibrieren in der Geschoßhülle 1 ringförmige Spannungszonen 5 entstehen und/oder durch den Sprengdruck in der Geschoßhülle 1 bewirkt werden.The sharp-edged splinter rings 10 and the fragment helix 11 are calibrated after it has been introduced into the projectile casing 1, so that after calibration ring-shaped tension zones 5 arise in the projectile casing 1 and / or caused by the explosive pressure in the shell 1.

Claims (7)

Splitterhülle (1) für Munition, wie Geschosse, Gefechtsköpfe, Handgranaten mit sprengstoffbeschleunigten Splittern (3) innerhalb einer Hülle (1),
dadurch gekennzeichnet,
daß die scharfkantig ausgebildeten Splitter (3) bzw. paketförmig hintereinander angeordneten Splitterringe (10) bzw. eine Splitterwendel (11) in der, in Splitter zerlegbaren Hülle (1) aus Stahl eingeprägt oder eingeformt sind oder mindestens linienförmig unter Vorspannung an der Hülle (1) anliegen.Splinter shell (1) for ammunition, such as projectiles, warheads, hand grenades with explosive-accelerated fragments (3) within a shell (1),
characterized,
that the sharp-edged splitters (3) or packet-shaped split rings (10) or a split spiral (11) are embossed or molded in the steel shell (1), which can be dismantled, or at least linearly with prestress on the shell (1 ) issue. Splitterhülle nach Anspruch 1,
dadurch gekennzeichnet,
daß die vorgefertigten Splitter (3) zusätzlich durch einen Klebstoff (7) untereinander und mit der Hülle (1) verbunden sind.Splinter casing according to claim 1,
characterized,
that the prefabricated splinters (3) are additionally connected to one another and to the casing (1) by an adhesive (7). Splitterhülle nach Anspruch 2,
dadurch gekennzeichnet,
daß der Kleber (7) bzw. das Einbettungsmaterial für die Splitter (3), Splitterringe (10), Splitterwendel (11) eine Dichte und Festigkeit der Splitter (3), der Splitterringe (10), der Splitterwendel (11) aufweist.Splinter casing according to claim 2,
characterized,
that the adhesive (7) or the embedding material for the splitters (3), split rings (10), split helix (11) has a density and strength of the splitters (3), the split rings (10), the split helix (11). Splitterhülle nach Anspruch 3,
dadurch gekennzeichnet,
daß der Kleber (7) bzw. Einbettungsmaterial für die Splitter (3), Splitterringe (10), Splitterwendel (11) aus Hartmetall mit Binder, Metallanteil, wie Späne im Binder oder Schwermetallanteile im Binder besteht.Splinter casing according to claim 3,
characterized,
that the adhesive (7) or embedding material for the splinters (3), splinter rings (10), splitter helix (11) made of hard metal with binder, metal content, such as chips in the binder or heavy metal components in the binder. Splitterhülle nach Anspruch 1,
dadurch gekennzeichnet,
daß die Härte der Splitter (3), Splitterringe (10), Splitterwendel (11) härter ist, als die Härte der Splitterhülle (1). Splinter casing according to claim 1,
characterized,
that the hardness of the splinters (3), splinter rings (10), splinter helix (11) is harder than the hardness of the splinter casing (1). Splitterhülle nach Anspruch 1,
dadurch gekennzeichnet,
daß die Härte der Splitter (3), Splitterringe (10), Splitterwendel (11) der Härte der Splitterhülle (1) entspricht.Splinter casing according to claim 1,
characterized,
that the hardness of the splinters (3), splinter rings (10), splinter spiral (11) corresponds to the hardness of the splinter casing (1). Splitterhülle nach Anspruch 1,
dadurch gekennzeichnet,
daß die Splitterhülle (1) härter ist als die Splitter (3), Splitterringe (10), Splitterwendel (11).Splinter casing according to claim 1,
characterized,
that the splinter casing (1) is harder than the splinters (3), splinter rings (10), splitter helix (11).
EP98121469A 1997-11-21 1998-11-11 Fragmentation casing for ammunition Expired - Lifetime EP0918206B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19753188A DE19753188C2 (en) 1997-11-21 1997-11-21 Splinter-forming shell for ammunition
DE19753188 1997-11-21

Publications (3)

Publication Number Publication Date
EP0918206A2 true EP0918206A2 (en) 1999-05-26
EP0918206A3 EP0918206A3 (en) 1999-12-15
EP0918206B1 EP0918206B1 (en) 2003-08-20

Family

ID=7850353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121469A Expired - Lifetime EP0918206B1 (en) 1997-11-21 1998-11-11 Fragmentation casing for ammunition

Country Status (3)

Country Link
EP (1) EP0918206B1 (en)
DE (2) DE19753188C2 (en)
ES (1) ES2206811T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001079781A1 (en) * 2000-04-19 2001-10-25 Karl Merz Steel jacket for a grenade and a method for producing the same
FR2840402A1 (en) 2002-05-31 2003-12-05 Giat Ind Sa ENCLOSURE GENERATING CHIPS, EXPLOSIVE CHARGE AND AMMUNITION IMPLEMENTING SUCH AN ENVELOPE
EP1971818A1 (en) * 2006-01-13 2008-09-24 BAE Systems Bofors AB Method of initiating external explosive charges and explosive-charged action elements for these

Families Citing this family (3)

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DE10208228B4 (en) * 2002-02-26 2005-03-17 Diehl Munitionssysteme Gmbh & Co. Kg Blast grenade
DE102007048040A1 (en) 2007-10-05 2009-04-09 Rheinmetall Waffe Munition Gmbh Housing material for an explosive bullet, a hand grenade or the like
RU2705134C1 (en) * 2019-02-14 2019-11-05 Федеральное государственное военное казённое образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулёва" Министерства обороны Российской Федерации Ammunition of fragmentation action with ready striking elements

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001079781A1 (en) * 2000-04-19 2001-10-25 Karl Merz Steel jacket for a grenade and a method for producing the same
FR2840402A1 (en) 2002-05-31 2003-12-05 Giat Ind Sa ENCLOSURE GENERATING CHIPS, EXPLOSIVE CHARGE AND AMMUNITION IMPLEMENTING SUCH AN ENVELOPE
EP1971818A1 (en) * 2006-01-13 2008-09-24 BAE Systems Bofors AB Method of initiating external explosive charges and explosive-charged action elements for these
EP1971818A4 (en) * 2006-01-13 2012-01-04 Bae Systems Bofors Ab Method of initiating external explosive charges and explosive-charged action elements for these

Also Published As

Publication number Publication date
EP0918206B1 (en) 2003-08-20
ES2206811T3 (en) 2004-05-16
DE19753188C2 (en) 2002-06-06
EP0918206A3 (en) 1999-12-15
DE19753188A1 (en) 1999-06-10
DE59809335D1 (en) 2003-09-25

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