EP1087203B1 - Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode - Google Patents

Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode Download PDF

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Publication number
EP1087203B1
EP1087203B1 EP19990850141 EP99850141A EP1087203B1 EP 1087203 B1 EP1087203 B1 EP 1087203B1 EP 19990850141 EP19990850141 EP 19990850141 EP 99850141 A EP99850141 A EP 99850141A EP 1087203 B1 EP1087203 B1 EP 1087203B1
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EP
European Patent Office
Prior art keywords
hollow
charge
jet
charges
protection
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
EP19990850141
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English (en)
French (fr)
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EP1087203A1 (de
Inventor
Björn Magnusson
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Saab AB
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Saab AB
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Publication date
Application filed by Saab AB filed Critical Saab AB
Priority to ES99850141T priority Critical patent/ES2262302T3/es
Priority to EP19990850141 priority patent/EP1087203B1/de
Priority to DE69931158T priority patent/DE69931158T2/de
Publication of EP1087203A1 publication Critical patent/EP1087203A1/de
Application granted granted Critical
Publication of EP1087203B1 publication Critical patent/EP1087203B1/de
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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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F42B12/16—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge in combination with an additional projectile or charge, acting successively on the target
    • F42B12/18—Hollow charges in tandem arrangement

Definitions

  • the present invention relates to a method for a multiple hollow charge for bringing about an increased effect on or after penetration of protection, and a multiple hollow charge comprising at least a first and a second hollow charge arranged so as to act in essentially the same direction against a protection in order to penetrate the same, which hollow charges comprise an explosive charge with a liner, and which multiple hollow charge comprises means of detonation of the hollow charges, a hollow-charge jet for action against the protection being formed from each charge on detonation of a hollow charge.
  • hollow-charge jet relates to both extending jets and jets which have the nature of a projectile.
  • FIG. 1 Another example of a multiple hollow charge is known from FR-A-2 493 506.
  • a said document is taken as base for the preambles of both claims 1 and 9.
  • Hollow charge jets from at least two hollow charges are added to each other during the generating phase of the hollow-charge jets.
  • the hollow charge jets are added directly in the multiple hollow charge and any increased effect due to this adding is effecting within the multiple hollow charge.
  • Yet another example of a multiple hollow charge is known from US-A-3 750 582.
  • the slug of a jet of a rear charge is used to ignite a front charge.
  • the high-velocity part of the jet of the rear charge is design to first hit the target. Then the high-velocity part of the jet of the front charge reaches the target followed by the slug of the jet of the front charge. As a last part the slug of the jet of the rear charge may reach the target in a weakened shape.
  • Still another example of a multiple hollow charge is disclosed in FR-A-999 974.
  • the charges effect the protection or target one by one in succession.
  • the effect of a charge is added to the effect of one or more former charges.
  • the effect in the protection or target of each single charge is separated in time from the other charges.
  • a still further example of a multiple hollow charge is known from DE-A-24 60 303.
  • the multiple hollow charge is intended for underwater applications and a jet of a first initiated charge is used to create an air or cavity hole for a subsequent jet generated by a second charges.
  • the object of the present invention is to increase the effect in connection with or after penetration of a protection, in particular armour protection.
  • This is achieved according to the method of the invention by causing a first hollow-charge jet from a first hollow charge and a second hollow-charge jet from a second hollow charge to collide in connection with penetration of the protection.
  • the expression in connection with penetration of the protection means a period of time which lasts from a point in time immediately before penetration to a point in time immediately after penetration. In the event of collision having started immediately before penetration of the protection, it is a prerequisite that the collision procedure continues at least during parts of the penetration phase.
  • the hollow charge according to the invention comprises means for causing the hollow-charge jets from at least the first and second hollow charges to collide in connection with penetration of the protection.
  • the hollow-charge jet formed last collides with jet parts from the jet formed first, such as a slug, tail fragments or other parts with lower velocity than the tip of the hollow-charge jet formed last, on or after passage through the protection, the material from both the jets is spread.
  • the spread material results in an increased effect according to one or more of the principles below.
  • a control arrangement is adapted to initiate the second hollow charge depending on the initiation of the first hollow charge so as to cause the hollow-charge jets of the hollow charges to collide.
  • the geometrical distances between component hollow charges are dimensioned so that the faster part of the second jet catches up the slower part of the first jet on or after penetration of the protection.
  • the hollow charges have a different geometrical shape and/or different explosive properties as a result of the use of different explosive substances, initiation principles or the like.
  • the component charges are preferably of the jet-forming or projectile-forming type.
  • the ignition sequence of the hollow charges can be either that the front charge of two hollow charges is ignited first or that the rear charge is ignited first.
  • the jet of the front hollow charge can also be included in a sectional area, which is to a greater or lesser extent empty, in the jet of the rear hollow charge.
  • parts other than the tip and tail of the hollow charges can be made to participate initially in the collision between two jets.
  • Figure 1 shows diagrammatically the activation of a multiple hollow charge of the tandem type at five points in time to illustrate the collision procedure
  • Figure 2 shows diagrammatically a multiple hollow charge with a control arrangement.
  • the multiple hollow charge 10 shown in Figure 1 comprises a first and a second hollow charge 11 and, respectively, 12.
  • the first hollow charge 11 comprises an explosive charge 13 with an associated liner 14, and the second hollow charge 12 comprises an explosive charge 15 with a liner 16.
  • the central axes of the hollow charges coincide on a common centre line 17. No detonators are shown but are assumed to be included according to any conventional solution.
  • Both the hollow charges can be of the projectile-forming type (IV) or of the jet-forming type (III). It is also possible for one hollow charge to be of the projectile-forming type and the other to be of the jet-forming type.
  • the rear charge 12 is ignited and a hollow-charge jet 19 is generated.
  • the charges follow essentially the same trajectory towards the target.
  • the jet 19 of the rear charge has caught up with the front hollow-charge jet 18 and a collision occurs between the faster parts of the rear hollow-charge jet and the rear parts of the front hollow charge, such as the slug, tail and other slow-moving parts.
  • the hollow-charge jets 18, 19 penetrate or have at this time T5 penetrated a protection (not shown), for example armour protection on a tank. Arrows 20 indicate that great radial forces occur.
  • the multiple hollow charge shown in Figure 2 is constructed in the same way as the multiple hollow charge shown in Figure 1 apart from that fact that a control arrangement 21 has been included between the two hollow charges.
  • the control arrangement 21 delays the generation of the jet produced last of two hollow-charge jets to such an extent that the tip of the hollow-charge jet produced later catches up the slower parts of the hollow charge produced first in connection with penetration of the protection.
  • the delay between the ignition of two hollow charges can be brought about in many different ways.
  • the decisive factors are inter alia the geometrical and other conditions in the charges and the distance from the charges to a predetermined collision point or a predetermined collision area in the vicinity of which a target to be combated is located.
  • the delay is determined by the time it takes for the slug of relatively great diameter of the hollow-charge jet produced first to move to a predetermined position in order to initiate in this case the front charge.
  • Other examples of known art are to use the delay which arises when a shock wave is made to travel a given predetermined distance in the shell structure or to include electronic delay circuits which prevent/delay initiation of charge two.
  • Such delays can also be brought about by pyrotechnic or explosive elements or mechanical arrangements. Combinations of the above delay methods can also be used.
  • the multiple hollow charge can thus comprise more than two hollow charges.
  • the hollow charges can be ignited in reverse order, that is to say a rear charge before a front charge and so forth.
  • the hollow charges can have different calibres, different geometries moreover and contain different materials.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Claims (14)

  1. Verfahren für eine Mehrfachhohlladung (10) zum Herbeiführen einer verstärkten Wirkung bei oder nach Durchdringung eines Schutzes, wobei ein erster Hohlladungsstrahl (18) von einer ersten Hohlladung (11) und ein zweiter Hohlladungsstrahl (19) von einer zweiten Hohlladung (12) miteinander wechselwirken, dadurch gekennzeichnet, dass die Wechselwirkung der ersten und zweiten Hohlladung (11, 12) im Zusammenhang mit der Durchdringung des Schutzes erfolgt durch Kollision der Strahlen (18, 19) in Zusammenhang mit der Durchdringung des Schutzes.
  2. Verfahren nach dem vorausgehenden Anspruch, dadurch gekennzeichnet, dass die geometrischen Abstände zwischen Hohlladungskomponenten (11, 12) so bemessen sind, dass der schnellere Teil des zweiten Strahls (19) den langsameren Teil des ersten Strahls (18) bei oder nach der Durchdringung des Schutzes einholt.
  3. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Hohlladungskomponenten (11, 12) unterschiedliche geometrische Form haben derart, dass der schnellere Teile des zweiten Strahls den langsameren Teil des ersten Strahls in Zusammenhang mit der Durchdringung des Schutzes einholt.
  4. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Hohlladungskomponenten (11, 12) unterschiedliche Explosiveigenschaften aufgrund der Verwendung unterschiedlicher Explosivstoffe, Zündverfahren oder dergleichen haben derart, dass der schnellere Teil des zweiten Strahls den langsameren Teil des ersten Strahls in Zusammenhang mit der Durchdringung des Schutzes einholt.
  5. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Verzögerung der Auslösung der zweiten Hohlladung (12) in Bezug auf die erste Hohlladung (13) so gesteuert wird, dass der schnellere Teil des zweiten Strahls den langsameren Teil des ersten Strahls in Zusammenhang mit der Durchdringung des Schutzes einholt.
  6. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die hintere Ladung (12) von zwei Hohlladungen vor der vorderen Ladung (11) gezündet wird.
  7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass der Strahl (18) der vorderen Hohlladung in einem mehr oder weniger leeren Querschnittsbereichs des Strahls (19) der hinteren Hohlladung eingeschlossen ist.
  8. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die vordere Ladung (11) von zwei Hohlladungen vor der hinteren Ladung (12) gezündet wird.
  9. Mehrfachhohlladung (10) mit mindestens einer ersten und einer zweiten Hohlladung (11, 12), die derart angeordnet sind, dass sie im Wesentlichen in derselben Richtung gegen einen Schutz wirken, um diesen zu durchdringen, wobei die Hohlladungen eine Explosivladung (13 bzw. 15) mit einer Auskleidung (14 bzw. 16) umfassen, und wobei die Mehrfachhohlladung Mittel zum Detonieren der Hohlladungen aufweist, wobei ein Hohlladungsstrahl (18) zur Einwirkung gegen den Schutz von jeder Ladung bei Detonation der Hohlladung gebildet wird, wobei die Hohlladungsstrahlen miteinander wechselwirken, dadurch gekennzeichnet, dass die Mehrfachhohlladung (16) Mittel (21) aufweist, die ein Kollidieren der Hohlladungsstrahlen von mindestens der ersten und zweiten Hohlladung (11, 12) in Zusammenhang mit der Durchdringung des Schutzes bewirken.
  10. Mehrfachhohlladung nach Anspruch 9, dadurch gekennzeichnet, dass die geometrischen Abstände zwischen Hohlladungskomponenten (11, 12) so bemessen sind, dass der schnellere Teil des zweiten Strahls (19) den langsamen Teil des ersten Strahls (18) bei oder nach Durchdringung des Schutzes einholt.
  11. Mehrfachhohlladung nach einem der Ansprüche 9-10, dadurch gekennzeichnet, dass die Hohlladungskomponenten (11, 12) unterschiedliche geometrische Form haben derart, dass die Hohlladungsstrahlen (18, 19) der Hohlladungen zum Kollidieren gebracht werden.
  12. Mehrfachhohlladung nach einem der Ansprüche 9-11, dadurch gekennzeichnet, dass die Hohlladungskomponenten (11, 12) unterschiedliche Explosionseigenschaften haben derart, dass die Hohlladungsstrahlen (18, 19) der Hohlladungen zum Kollidieren gebracht werden.
  13. Mehrfachhohlladung nach einem der Ansprüche 9-12, gekennzeichnet durch eine Steueranordnung (21) zum Zünden der zweiten Hohlladung (12) in Abhängigkeit von der Zündung der ersten Hohlladung (11) derart, dass die Hohlladungsstrahlen (18, 19) der Hohlladungen zum Kollidieren gebracht werden.
  14. Mehrfachhohlladung nach einem der Ansprüche 9-13, dadurch gekennzeichnet, dass die Hohlladungskomponenten (11, 12) vom strahlbildenden Typ oder vom geschossbildenden Typ sind.
EP19990850141 1999-09-27 1999-09-27 Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode Expired - Lifetime EP1087203B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES99850141T ES2262302T3 (es) 1999-09-27 1999-09-27 Metodo de utilizacion de una carga hueca multiple y carga hueca multiple para implementar dicho metodo.
EP19990850141 EP1087203B1 (de) 1999-09-27 1999-09-27 Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode
DE69931158T DE69931158T2 (de) 1999-09-27 1999-09-27 Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19990850141 EP1087203B1 (de) 1999-09-27 1999-09-27 Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode

Publications (2)

Publication Number Publication Date
EP1087203A1 EP1087203A1 (de) 2001-03-28
EP1087203B1 true EP1087203B1 (de) 2006-05-03

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EP19990850141 Expired - Lifetime EP1087203B1 (de) 1999-09-27 1999-09-27 Methode zum Gebrauch einer Mehrfachhohlladung und Mehrfachhohlladung zur Durchführung der Methode

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EP (1) EP1087203B1 (de)
DE (1) DE69931158T2 (de)
ES (1) ES2262302T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220325994A1 (en) * 2019-09-12 2022-10-13 Atlas Elektronik Gmbh Underwater vehicle comprising two shaped charges arranged behind one another

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2451900C1 (ru) * 2011-02-02 2012-05-27 Владимир Викторович Черниченко Взрывное устройство
RU2450238C1 (ru) * 2011-02-02 2012-05-10 Владимир Викторович Черниченко Взрывное устройство
DE102020001784A1 (de) 2020-03-17 2021-09-23 Diehl Defence Gmbh & Co. Kg Geschoss, Wirkmittelanordnung und Verfahren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR999974A (fr) * 1946-02-11 1952-02-06 Soc Tech De Rech Ind Perfectionnements aux engins à charges creuses
US3750582A (en) * 1971-09-03 1973-08-07 Us Army Projectile with differential tandem shaped charges
DE2460303A1 (de) * 1974-12-20 1978-10-19 Messerschmitt Boelkow Blohm Kombiniertes hohlladungsgeschoss
FR2493506A2 (fr) * 1977-11-24 1982-05-07 Serat Perfectionnements apportes aux charges creuses
DE2816528C1 (de) 1978-04-17 1991-01-03 Rheinmetall Gmbh Doppelhohlladung in koaxialer Tandemanordnung,insbesondere fuer panzerbrechende Projektile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220325994A1 (en) * 2019-09-12 2022-10-13 Atlas Elektronik Gmbh Underwater vehicle comprising two shaped charges arranged behind one another
US11821715B2 (en) * 2019-09-12 2023-11-21 Atlas Elektronik Gmbh Underwater vehicle comprising two shaped charges arranged behind one another

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Publication number Publication date
EP1087203A1 (de) 2001-03-28
ES2262302T3 (es) 2006-11-16
DE69931158D1 (de) 2006-06-08
DE69931158T2 (de) 2007-04-12

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