EP1075639A1 - Corps de munition, son procede de montage et son utilisation - Google Patents

Corps de munition, son procede de montage et son utilisation

Info

Publication number
EP1075639A1
EP1075639A1 EP99914720A EP99914720A EP1075639A1 EP 1075639 A1 EP1075639 A1 EP 1075639A1 EP 99914720 A EP99914720 A EP 99914720A EP 99914720 A EP99914720 A EP 99914720A EP 1075639 A1 EP1075639 A1 EP 1075639A1
Authority
EP
European Patent Office
Prior art keywords
lining
ammunition body
charge
body according
precharge
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
EP99914720A
Other languages
German (de)
English (en)
Other versions
EP1075639B1 (fr
Inventor
Jürg Meister
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.)
RUAG Munition
Original Assignee
SM Schweizerische Munitionsunternehmung AG
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 SM Schweizerische Munitionsunternehmung AG filed Critical SM Schweizerische Munitionsunternehmung AG
Priority to EP99914720A priority Critical patent/EP1075639B1/fr
Publication of EP1075639A1 publication Critical patent/EP1075639A1/fr
Application granted granted Critical
Publication of EP1075639B1 publication Critical patent/EP1075639B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/028—Shaped or hollow charges characterised by the form of the liner

Definitions

  • the present invention relates to an ammunition body according to the preamble of claim 1.
  • Two-stage warheads also called tandem warheads, are used, among other things. against relatively thin armor and cells with sensitive contents, such as helicopters, airplanes and ships.
  • the preload used here belongs to the so-called projectile-forming charges (English self-forging fragments) and has the task of punching or drilling a hole as large as possible.
  • a warhead with a tandem charge includes known from EP -AI- 0 583 642, which is integrated in a zenooka, used to fight an enemy in its cover.
  • the protective wall or barricade for example, is shot through with a shaped charge; with an additional charge, fragments are generated behind the cover.
  • the ignition at the cover takes place via piezo igniter for hard targets and for soft targets with proximity detonator.
  • the additional charge must always be initiated with a delay in order to not to endanger the shooter.
  • Warheads of this type are therefore unsuitable for targets with redundant devices such as helicopters or ships, since either their limited effect is compensated for by a replacement system and / or additionally reduced or even eliminated by internal partitioning.
  • GB-A-1,051,407 proposes a preload with a protruding rotationally symmetrical lining to achieve an over-caliber hole.
  • a subsequent active charge should be able to penetrate easily and deeply through this hole.
  • Practical tests and computer simulations have shown that this does not work, because the resulting annular shaped charge jet and collapsed in front of the goal expands greatly and its cutting action lines ver ⁇ .
  • the arrangement reduces the penetration rate compared to conventional shaped charges instead of increasing them.
  • its performance is strongly angle-dependent, ie an oblique angle impact of the ring-shaped, wide beam leads to its deflection in the target and has no usable effect.
  • This arrangement causes holes below the caliber size in the target and tends to large losses due to the outer beam guidance, which has a negative effect on the penetration depth of the ring-shaped jet.
  • a spherical lining characterized by three radii is described in US-A-5,320,044.
  • This liner to two beams by a leading and a trailing beam are generated to a deeper A ⁇ penetrate to reach the destination.
  • the lining is accelerated by an oversized, large-diameter explosive charge that is several times larger in diameter. The hole that can be reached at the target is therefore only a fraction of the caliber of the explosive charge.
  • the ammunition is intended in combating transport or attack helicopters or in torpedoes against under- or over ⁇ water targets to be usable.
  • the opening at the destination created by the summons is intended to open the way for a large active cargo and not to impede it.
  • the subject matter in the civil sector should be usable also len especially in hard to reach Stel ⁇ where conventional drilling methods due to limited space conditions are not applicable or only with great material and time.
  • the configuration of the precharge according to the invention results in the surprising effect that the borehole produced by it is actually larger than the caliber of the preload ⁇ and without the penetration (drilling depth) is significantly reduced compared to conventional cutting charges.
  • one or more active charges can be added, which have a high explosive effect or other properties which are effective to combat the specific target.
  • the lining becomes a stable projectile in the form of a fragmented, greatly widened ring which, due to its size, flies over any components such as sensors and / or electronics arranged in front of it and therefore does not terminate its function prematurely.
  • the protruding lining also called insert, is shaped in contrast to the knowledge in the specialist literature; the literature on shaped charges assumes that a lining is concave in its axial area, i.e. except conical or bell-shaped, must be designed.
  • the lining consists of the ductile materials known per se, such as aluminum, iron, electrolytic copper, lead, or tantalum, and punched out an oversized disk in the target, through which one or more large ones
  • distance igniter used in the claim means any form of proximity fuse, whereby in - 5 -
  • a double hood with internal contact triggers the detonator when it hits the target.
  • a lining designed with the features of claim 1 or 2 acts when it hits the target as a highly accelerated cutting ring, the large-area fragments of which rotate on their flight into the ideal orthogonal position to the target and penetrate it with great energy.
  • a circular cut-out is created with an inner pane completely separated from the surroundings.
  • Cutting ring is only minimally sensitive to an oblique impact angle and results in high penetration performance even at large distances from the target.
  • the subject of the invention relates to military applications in tandem or multiple warheads.
  • the ammunition body according to claim 3 results in a favorable jet formation, so that a widened cutting ring is formed. - 6 -
  • a lining according to claim 4 in a spherical spatial shape is favorable.
  • Claims 5 to 7 define further advantageous configurations of these spatial shapes.
  • the effect of the detonation wave on the lining can be further optimized by inserting inert bodies.
  • the method according to claim 12 leads to an optimal use of the ammunition body according to the invention and permits adaptations to specific targets to be combated. For example, in that the opening created by the preload is fully used by the subsequent active charges or all charges are matched to one another, to the armor and to the required depth effect in the target.
  • the delayed ignition of the active charge which is known per se, increases the combat value, since it can penetrate far into the target through the large opening with high kinetic energy generated by the precharge.
  • the caliber of the active charge can be used without problems and without restriction, in full diameter.
  • the ammunition body is preferably used in the sense of claim 13.
  • FIG. 2 is a lining, as it is used in its kind in the summons of FIG. 1,
  • FIG. 3 shows a variant for lining FIG. 2
  • Fig. 4 shows a typed variant of a lining in snapshots during use
  • Fig. 1 denotes a projectile with a tandem warhead.
  • This floor 1 has an inherently known double hood 2, which galvanically connects an ignition circuit when it hits the target, ie closes.
  • a preload 8 has a specially shaped lining 3, which can be accelerated by a snug charge 4. Behind it, a commercially available first ignition system 6 is placed in an intermediate space 11 in the ammunition body 1. This is followed by an active charge 7, which is optimized for a high gas pressure effect and has fragments embedded in its matrix.
  • the active charge 7 has the full caliber of the projectile and ends in a conical taper 5.
  • the active charge 7 is ignited by a second ignition system 9, the delay time of which can be programmed depending on the target.
  • a solid-state engine 10 serves as the drive.
  • Hinged guide vanes 13 with castors 14 can be inserted centrally into a launch tube, not shown; the corresponding axes of rotation are designated 15.
  • a circular baffle plate 16 serves to protect the tube and is ejected after the engine 10 is ignited.
  • the guide vanes 13 show up in the form of a radial tail assembly 12, as indicated in the drawing.
  • This tail 12 prevents rotation ("spin") of the ammunition body 1 and thereby ensures an optimal cutting effect of the shaped charge in the target, a hole 1.5 times the diameter of the caliber being punched out of a steel plate with a thickness of 0.15 caliber.
  • Disc accelerated in the flight direction results in a diameter of 1.0 times the caliber.
  • the subsequent active charge 7 can thus penetrate the target unhindered with its full caliber and even penetrate light bulkheads with its inherent kinetic energy and detonate there with a delay, developing a high pressure and splintering effect.
  • Characteristic delay times between the initiation of the pre-charge and a subsequent active charge range from 2.0 ms to 10 ms, depending on the speed of the engine.
  • the schematically illustrated precharge 8, FIG. 2 is likewise rotationally symmetrical and has a spherical lining 3a made of aluminum on its front ⁇ side F. Their shape can be described as an annular bowl shape.
  • the explosive is initiated in a notoriously known manner by an igniter 6 with a downstream, also known inert body 17 (English wave shaper) for directing the detonation front into the axial region m. - 10 -
  • the clamping point of the lining is designated by p in FIGS. 2 to 7 and corresponds to its peripheral edge area.
  • the lining 3b in FIG. 3 is formed from flat surfaces and in this variant consists of an alloy of lead with 12% tin.
  • the lining 3b is also projecting in the axial area relative to the adjacent coaxial area n.
  • the ignition 6 is followed by an ignition amplifier 6 '.
  • FIG. 4 the schematically shown precharges 8 are typified, namely the variant in FIG. 4 is designated A and is representative of linings 3c thickened in the axial region m.
  • Variants B, FIGS. 5 to 7 relate to linings 3d with a uniform one
  • initiation of charge 4 is assumed to be 2.5 to 3.0 times the caliber of the charge.
  • the fragments 3c 'to 3f' punch out an annular space 21 with an outer diameter of 2.2 times the caliber and an inner diameter which is approximately the caliber - 11 -
  • the subject of the invention can be adapted by suitable adaptations to numerous weapon systems but also to numerous civilian applications.
  • Torpedoes which use the over-caliber opening, for example in a ship's hull, for introducing multiple stages of active charges.
  • components such as sensors and / or control electronics could be arranged in the head of the projectile in new weapon systems, without these being damaged by the precharge itself and falling prematurely out of operation.
  • the active power of the precharge is not disturbed by such an arrangement; the length of the ammunition could be better used and the overall ballistics improved.
  • burst openings can be implemented, which must be carried out in the event of emergency shutdowns on highly loaded containers. Rapid flooding of tightly closed rooms, for example in the event of a fire, is also possible, but also pressure relief is possible without the need for special installations of costly closures and / or drive - 12 -
  • the second load can be very small or even drop out and / or be replaced by a large-caliber element that can be inserted into the bore, such as a pipeline, slide, etc., or these elements can be accelerated, pushed in and / or pressed in by the small load become.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transplanting Machines (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Drilling And Boring (AREA)
  • Lighters Containing Fuel (AREA)
  • Harvester Elements (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Air Bags (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Vibration Dampers (AREA)

Abstract

Les charges creuses sont souvent utilisées pour combattre des cibles mobiles légèrement blindées et ne remplissent pas leur rôle en raison des charges actives relativement faibles envoyées dans la cible. Les applications civiles exigent souvent de réaliser, avec des charges explosives, des trous de sondage importants en des endroits inaccessibles, sans que l'environnement n'en soit affecté fondamentalement. Une charge façonnée (8) munie d'une garniture (3) saillante dans sa région axiale découpe dans la zone de la cible une ouverture surcalibrée par laquelle peuvent être introduits une importante charge active (7) ou d'autres éléments. Selon ce procédé, l'allumage retardé d'une charge active importante (7) dans la cible permet d'intensifier massivement l'effet de ladite charge. Ce corps de munition (1) s'utilise principalement pour combattre des cibles mobiles légèrement blindées, mais également lors de l'exploration et de l'extraction pétrolières.
EP99914720A 1998-05-04 1999-05-03 Corps de munition, son procede de montage et son utilisation Expired - Lifetime EP1075639B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99914720A EP1075639B1 (fr) 1998-05-04 1999-05-03 Corps de munition, son procede de montage et son utilisation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98201431 1998-05-04
EP98201431A EP0955517A1 (fr) 1998-05-04 1998-05-04 Munition à têtes militaires multiples
PCT/IB1999/000793 WO1999057503A1 (fr) 1998-05-04 1999-05-03 Corps de munition, son procede de montage et son utilisation
EP99914720A EP1075639B1 (fr) 1998-05-04 1999-05-03 Corps de munition, son procede de montage et son utilisation

Publications (2)

Publication Number Publication Date
EP1075639A1 true EP1075639A1 (fr) 2001-02-14
EP1075639B1 EP1075639B1 (fr) 2002-05-15

Family

ID=8233668

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98201431A Withdrawn EP0955517A1 (fr) 1998-05-04 1998-05-04 Munition à têtes militaires multiples
EP99914720A Expired - Lifetime EP1075639B1 (fr) 1998-05-04 1999-05-03 Corps de munition, son procede de montage et son utilisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98201431A Withdrawn EP0955517A1 (fr) 1998-05-04 1998-05-04 Munition à têtes militaires multiples

Country Status (15)

Country Link
US (1) US6443068B1 (fr)
EP (2) EP0955517A1 (fr)
KR (1) KR20010024984A (fr)
AT (1) ATE217705T1 (fr)
AU (1) AU3341799A (fr)
BR (1) BR9910161A (fr)
CA (1) CA2416017A1 (fr)
CZ (1) CZ20004064A3 (fr)
DE (1) DE59901463D1 (fr)
ES (1) ES2175960T3 (fr)
HU (1) HUP0101435A3 (fr)
IL (1) IL139363A0 (fr)
NO (1) NO20005550L (fr)
PL (1) PL343844A1 (fr)
WO (1) WO1999057503A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1531316A1 (fr) 2003-11-11 2005-05-18 RUAG Munition Structure d'un projectile
US20050263029A1 (en) * 2004-02-20 2005-12-01 Kumar Viraraghavan S Training projectile
US7078603B2 (en) * 2005-01-31 2006-07-18 Pioneer Hi-Bred International, Inc. Hybrid maize 32R38
EP1739385B1 (fr) * 2005-07-01 2012-06-13 Saab Ab Munition avec précurseur cinétique
EP2199730B1 (fr) 2008-12-18 2012-04-18 Rheinmetall Waffe Munition ARGES GmbH Grenades à main
US8375859B2 (en) * 2010-03-24 2013-02-19 Southwest Research Institute Shaped explosive charge
US9273944B2 (en) * 2011-04-08 2016-03-01 Innovative Defense, Llc Segmented missile approach
FR2975482B1 (fr) * 2011-05-16 2018-05-18 Nexter Munitions Tete militaire anti-infrastructure et projectile equipe d'une telle tete militaire
RU2522717C1 (ru) * 2012-12-27 2014-07-20 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом"-Госкорпорация "Росатом" Облицовка снарядоформирующего заряда
US9175936B1 (en) 2013-02-15 2015-11-03 Innovative Defense, Llc Swept conical-like profile axisymmetric circular linear shaped charge
WO2015009312A1 (fr) * 2013-07-19 2015-01-22 Halliburton Energy Services, Inc. Chemisage de charge formée comportant un pli autour de l'ouverture
WO2015160360A1 (fr) * 2014-04-18 2015-10-22 Halliburton Energy Services, Inc. Charge façonnée ayant une doublure à équilibrage de la quantité de mouvement radiale
US9360222B1 (en) 2015-05-28 2016-06-07 Innovative Defense, Llc Axilinear shaped charge
US10364387B2 (en) 2016-07-29 2019-07-30 Innovative Defense, Llc Subterranean formation shock fracturing charge delivery system
US11027859B2 (en) * 2017-10-16 2021-06-08 The Boeing Company Variable stiffness flyer plate for penetration device
DE102020001784A1 (de) 2020-03-17 2021-09-23 Diehl Defence Gmbh & Co. Kg Geschoss, Wirkmittelanordnung und Verfahren

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US2809585A (en) * 1949-11-16 1957-10-15 Sidney A Moses Projectile for shaped charges
FR1161445A (fr) * 1956-08-30 1958-08-29 Perfectionnements aux caractéristiques et à la constitution des charges creuses
FR1175694A (fr) * 1957-11-21 1959-03-31 Amortisseur autorégulateur pour suspension de véhicule
GB1051407A (fr) * 1964-07-08 1900-01-01
US3613581A (en) * 1964-11-20 1971-10-19 Us Navy Explosive device for perforating high-strength metal plates
FR1531538A (fr) * 1967-05-22 1968-07-05 Soc Tech De Rech Ind Amorçage pour projectile
DE3317352C2 (de) * 1983-05-13 1985-03-07 Diehl GmbH & Co, 8500 Nürnberg Einlage für eine projektilbildende Ladung
US5320044A (en) * 1985-06-17 1994-06-14 The United States Of America As Represented By The Secretary Of The Army Three radii shaped charge liner
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Also Published As

Publication number Publication date
ES2175960T3 (es) 2002-11-16
HUP0101435A2 (hu) 2001-09-28
US6443068B1 (en) 2002-09-03
DE59901463D1 (de) 2002-06-20
EP0955517A1 (fr) 1999-11-10
NO20005550D0 (no) 2000-11-03
KR20010024984A (ko) 2001-03-26
PL343844A1 (en) 2001-09-10
WO1999057503A1 (fr) 1999-11-11
ATE217705T1 (de) 2002-06-15
AU3341799A (en) 1999-11-23
EP1075639B1 (fr) 2002-05-15
CZ20004064A3 (cs) 2001-11-14
HUP0101435A3 (en) 2002-02-28
CA2416017A1 (fr) 2000-10-18
BR9910161A (pt) 2001-01-09
IL139363A0 (en) 2001-11-25
NO20005550L (no) 2000-11-03

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