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EP0337049A1 - Projectile porteur et sous-projectiles d'entraînement à cet effet - Google Patents

Projectile porteur et sous-projectiles d'entraînement à cet effet Download PDF

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Publication number
EP0337049A1
EP0337049A1 EP89100162A EP89100162A EP0337049A1 EP 0337049 A1 EP0337049 A1 EP 0337049A1 EP 89100162 A EP89100162 A EP 89100162A EP 89100162 A EP89100162 A EP 89100162A EP 0337049 A1 EP0337049 A1 EP 0337049A1
Authority
EP
European Patent Office
Prior art keywords
bomblets
bomblet
projectile
ignition
inner tube
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
EP89100162A
Other languages
German (de)
English (en)
Other versions
EP0337049B1 (fr
Inventor
Walter Hanser
Peter Rayer
Norbert Dr. Wardecki
Peter Hug
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.)
Buck Chemisch Technische Werke GmbH and Co
Buck Werke GmbH and Co
Original Assignee
Buck Chemisch Technische Werke GmbH and Co
Buck Werke GmbH and Co
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 Buck Chemisch Technische Werke GmbH and Co, Buck Werke GmbH and Co filed Critical Buck Chemisch Technische Werke GmbH and Co
Priority to AT89100162T priority Critical patent/ATE88559T1/de
Publication of EP0337049A1 publication Critical patent/EP0337049A1/fr
Application granted granted Critical
Publication of EP0337049B1 publication Critical patent/EP0337049B1/fr
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
    • F42B12/36—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
    • F42B12/56—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 for dispensing discrete solid bodies
    • F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
    • F42B12/60—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected radially
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
    • C06B45/18—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component
    • C06B45/20—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component the component base containing an organic explosive or an organic thermic component
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
    • F42B10/56—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding of parachute or paraglider type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—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
    • F42B12/40—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 target-marking, i.e. impact-indicating type

Definitions

  • the invention relates to a bomblet projectile according to the preamble of claim 1.
  • Bomblet projectiles are used primarily to combat armored vehicles.
  • the bomblet projectile is brought over the target by firing from a gun or by means of a rocket motor, for example at a height of 300 to 400 m, whereupon an ejection charge ejects or pushes out about 50-90 bomblets from the projectile shell.
  • the bomblets then fall down one by one, spreading over an area of approximately 50 to 300 m on the ground.
  • the bomlets contain a shaped charge and an impact detonator, so that when they hit an armored vehicle, for example, they ignite and penetrate the armor plate.
  • the procedure today is that either the impact detonator or the shaped charge is removed from the bomblets. Although this allows flawless component tests to be carried out, for example with regard to the effectiveness of the exhaust charge, the functionality of the impact detonators and the like, it is not possible to practice them in practice. Because the functional characteristics of the detonation cloud, flash of light and detonation bang are missing and, in addition, in the case of explosive tests this makes handling more difficult.
  • the object of the present invention is therefore to create a bomblet projectile for practice purposes, which enables practically practical practice, but is safe and economical.
  • the solution to this problem results from the characterizing features of patent claim 1.
  • a pyrotechnic sentence results in a simulation of bang and lightning comparable to a sharp bomblet, with the result of a comparable ground hit image and an optical impact mark that is visible from a great distance.
  • a decomposition cloud is created due to earth ejection and combustion residues corresponds to the live ammunition and enables the optical recognition of the bomblet hits and thus their distribution in the target area as with live ammunition.
  • This pyrotechnic charge is ignited by a delay element which is ignited when the bomblets are ejected from the floor and which has a delay time which is sufficient beyond the fall time of the bomblets.
  • This central inner tube also serves to fix the bomblets in the projectile casing, so that - as will be explained in detail later - simple and inexpensive projectile casings of the appropriate caliber can be used without the need for the much more expensive special casings provided with inner ribs of the live ammunition .
  • Particularly useful embodiments of the invention are characterized in the subclaims, relating to the pyrotechnic set, the design and arrangement of the deceleration set in the bomblets, the arrangement of the bomblets in the projectile casing and the design of the central inner tube.
  • the bomblet designated as a whole by 10
  • the bomblet has a cup-shaped housing 11 which is closed by a cover 12.
  • the cover 12 is provided on its free upper side with a recess 12a in which a pin 12b for fastening a tail belt 13 is located.
  • a pilot hole 14, open at both ends, runs diametrically in the cover.
  • a shoulder 12c projecting from the cover 12 into the interior of the housing 11 serves to hold a delay tube 15.
  • the delay tube 15 consists, as usual, of a firing kit 15a, a delay set 15b and a firing set 15c.
  • the firing side of the delay tube 15 is covered towards the ignition channel 14 by a film 16, preferably made of aluminum, with a small distance of, for example, 1.75 mm between the free end face of the ignition charge 15a and the film 16; the purpose of this distance will be explained later.
  • the effective mass of the bomblet 10 is designated by 17, it being a pyrotechnic firing flash set.
  • the pyrotechnic set 17 consists of coarse-grained nitrocellulose (NC) and magnesium powder.
  • a suitable binder ensures that the magnesium powder adheres to the surface of the NC grains, which may have the form of small rods, for example, so that each NC grain is coated with magnesium powder, which prevents segregation.
  • FIG. 2A and 2B show a bomblet projectile designated as a whole by 20, in the casing 21 of which a stack of bomblets 10 is housed.
  • the bomblet stack consists of four superimposed layers of five bomblets each, evenly distributed around the longitudinal axis of the floor, that is, a total of twenty bomblets 10.
  • the floor 20 is penetrated by a central inner tube 22, hereinafter referred to as ignition tube. whose end facing the projectile tip 20a is connected to an ejection igniter charge 23, while its rear end is covered by the projectile floor 20b.
  • the ignition tube 22 has in cross section (FIG.
  • the bomblets 10 are directed through the housing lugs 11a in such a way that their ignition channels 14 run radially in the projectile, such that the inner end of the ignition channel 14 bears on the ignition tube 22 and the outer end on the inner surface of the projectile casing 21 .
  • the ignition tube 22 has ignition holes 22a, which produce an open connection between the interior of the ignition tube 22 and the ignition bores 14 of the bomblets 10.
  • the outer end of the ignition bores 14 is, as already mentioned, on the inner surface of the projectile casing 21, but there is no complete covering of the ignition bore muzzle because the curvature of the housing 11 of the bomblets 10 is stronger than the curvature of the projectile casing having a larger diameter .
  • the trapezoidal bodies labeled 25 are filler pieces.
  • the filler pieces are partly made of aluminum (or plastic) and partly made of steel.
  • the weight and center of gravity of the entire storey are set via the arrangement and number of pieces of the heavier steel filler pieces.
  • the ring designated 26 serves to cover the Cover 12 of the bomblets closest to the floor and thus for additional protection of their tail bands 13, which are otherwise covered by easily detachable cardboard or plastic disks 12d.
  • the projectile like the live ammunition, is fired from a launch tube, whereupon, when the projectile is above the target area, a delay detonator ignites the ejection and priming charge 23.
  • a delay detonator ignites the ejection and priming charge 23.
  • an ignition jet of the charge 23 penetrates the ignition tube 22, penetrates through the ignition holes into the ignition bores of the bomblets 10, penetrates the cover foils 16 and ignites the igniter charges 15a of the ignition tubes 15.
  • such a gas pressure is built up in the projectile by the ignited charge 23 that the floor 20b is blasted off and the bomblets are pushed out of the now open back shell.
  • the ignition beam passing through the ignition tube 22 from front to back is deflected twice by 90 °, that is to say a total of 180 °, before it reaches the ignition set 15b of the delay tubes 15; the pilot jet thus loses part of its force, so that there is no risk of the delay tubes 15 breaking through and / or the active sentence 17 igniting directly.
  • the aforementioned partial covering of the outer end of the ignition bores 14 leads to a jam in the ignition bore 14, which ensures reliable redirection of the ignition jet in the direction of the delay tube 15.
  • the small distance between the aluminum foil 16 and the ignition charge 15a ensures that the foil 16 penetrates reliably; If there is no distance, the ignition charge 15a would act as an abutment for the film 16, so that the film 16 would not penetrate. If the distance was too large, the film would break through, but there would no longer be any certainty that the ignition jet would ignite the ignition charge 15a reaches and ignites.
  • the ignition hole, which is covered by the film, is 1 to 2 mm smaller in diameter than the ignition hole of the delay piece, into which the set is pressed. That shoulder prevents the burning set from flowing out.
  • the bomblets 10 ejected from the projectile casing 21 now fall down by gravity, the tail straps 13 stowed in the cover cavities 12a unfolding, which supports a perfect vertical fall of the bomblets 10.
  • the bomblets 10 hit the ground in succession within approximately 1 1/2 seconds.
  • the delay time of the delay tubes 15 is dimensioned such that their primer charge 15c ignite the pyrotechnic charge 17 shortly after the bomblets hit the ground.
  • the fragmentation cloud created by earth ejection and combustion residues largely corresponds to that of live ammunition. It is essential, however, that the bomblets hit the floor with the floor and not with the lid on the floor, which, as already indicated, is ensured by the tail bands 13.
  • the remains of bomblets can be collected without any risk, which also applies to potential unexploded ordnance.
  • the training projectile described allows an excellent simulation of live ammunition, is safe and economical to manufacture, the latter in particular because no complex ignition protection systems are required and simple live case can be used instead of the complicated projectile casings of live ammunition.
  • the described embodiment can undergo numerous modifications without leaving the scope of the invention. This applies in particular to the number of bomblets housed in the floor and the related external shape of the ignition tube, the design of the bomblet cover with or without a guide work tapes, which can be covered by cardboard disks or the like when stowed, and the composition of the pyrotechnic set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Lighters Containing Fuel (AREA)
  • Air Bags (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Emergency Lowering Means (AREA)
EP89100162A 1988-03-18 1989-01-05 Projectile porteur et sous-projectiles d'entraînement à cet effet Expired - Lifetime EP0337049B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89100162T ATE88559T1 (de) 1988-03-18 1989-01-05 Traegergeschoss mit uebungssubmunitionsgeschossen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3809177A DE3809177C1 (fr) 1988-03-18 1988-03-18
DE3809177 1988-03-18

Publications (2)

Publication Number Publication Date
EP0337049A1 true EP0337049A1 (fr) 1989-10-18
EP0337049B1 EP0337049B1 (fr) 1993-04-21

Family

ID=6350127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100162A Expired - Lifetime EP0337049B1 (fr) 1988-03-18 1989-01-05 Projectile porteur et sous-projectiles d'entraînement à cet effet

Country Status (6)

Country Link
US (1) US4869174A (fr)
EP (1) EP0337049B1 (fr)
JP (1) JP2608952B2 (fr)
AT (1) ATE88559T1 (fr)
CA (1) CA1324030C (fr)
DE (2) DE3809177C1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841649C2 (de) * 1988-12-10 1999-05-06 Rheinmetall Ind Ag Großkalibriges Trägergeschoß zum Ausbringen von Übungs-Bomblets
DE3934362A1 (de) * 1989-10-14 1991-04-18 Rheinmetall Gmbh Bomblet-traegergeschoss mit lagenweise angeordneten leicht-uebungsbomblets
DE4001673A1 (de) * 1990-01-22 1991-07-25 Rheinmetall Gmbh Leicht-uebungsbomblet mit axial vorspannbaren gehaeusedeckeln
DE19910074B4 (de) * 1999-03-08 2005-02-10 Buck Neue Technologien Gmbh Abschußvorrichtung für das Verschießen einer Mehrzahl von Wirkkörpern sowie diese verwendende Wurfanlage
US6374741B1 (en) * 2000-03-03 2002-04-23 New Mexico Tech Research Foundation Non-lethal projectile to be launched from a launcher
DE10105867B4 (de) * 2001-02-09 2004-03-04 Buck Neue Technologien Gmbh Geschoss
US6874425B1 (en) * 2001-05-18 2005-04-05 Day & Zimmermann, Inc. Projectile carrying sub-munitions
RU2383998C2 (ru) 2004-06-28 2010-03-10 Санио Электрик Ко., Лтд. Способ и устройство передачи сигналов
WO2008033170A2 (fr) 2006-05-16 2008-03-20 Textron Systems Corporation Système de largage contrôlé de déploiement de composants selon un motif et une orientation désirés
JP2011012847A (ja) * 2009-06-30 2011-01-20 Ihi Aerospace Co Ltd 子弾及び不発子弾の回収システム
SE536997C2 (sv) 2013-02-22 2014-11-25 Bae Systems Bofors Ab Granat med utskjutningsbar granatbotten
JP6563773B2 (ja) * 2015-10-20 2019-08-21 株式会社ダイセル 煙幕発生器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740228C (de) * 1939-03-04 1943-10-14 Ing Bohdan Pantoflicek Zuendung eines Geschosses oder einer Bombe mit explosiven Innengeschossen
US3374741A (en) * 1965-12-28 1968-03-26 Army Usa Spotting charge
US3506505A (en) * 1967-12-01 1970-04-14 Herzog Johanna Nitrocellulose base propellant coated with graphite,plasticizer,and inorganic pigment
EP0002466A2 (fr) * 1977-12-09 1979-06-27 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Procédé pour améliorer la dépendance vis à vis de la pression de la combustion de propergols en pain ou pour armes à feu et leur application comme composants de propergols en pain ou pour armes à feu
US4173931A (en) * 1976-12-08 1979-11-13 Firma BUCK Chemisch-Technische Werke GmbH. & Co. Incendiary warhead
DE3640485C1 (en) * 1986-11-27 1987-10-22 Rheinmetall Gmbh Bomblet (submunition)
DE3629668C1 (de) * 1986-08-30 1988-03-10 Rheinmetall Gmbh Drallstabilisiertes Bomblettraegergeschoss

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1011002A (en) * 1911-05-17 1911-12-05 Krupp Ag Search-light projectile.
US1090007A (en) * 1913-10-01 1914-03-10 Krupp Ag Luminous projectile.
NL136006C (fr) * 1967-06-13
FR2316204A1 (fr) * 1975-07-03 1977-01-28 Poudres & Explosifs Ste Nale Une composition pyrotechnique eclairante generatrice de gaz
DE2841815C2 (de) * 1978-09-26 1985-02-21 Buck Chemisch-Technische Werke GmbH & Co, 7347 Bad Überkingen Verfahren zur Herstellung einer Geschoßfüllung
DE3048618A1 (de) * 1980-12-23 1982-07-22 Dynamit Nobel Ag, 5210 Troisdorf Gefechtskopf mit nutzlaststaeben
DE3301873A1 (de) * 1983-01-21 1984-07-26 Rheinmetall GmbH, 4000 Düsseldorf Flugkoerper
US4651648A (en) * 1986-04-01 1987-03-24 The State Of Israel, Ministry Of Defence, Israel Military Industries Pyrotechnic aircraft carried bomb

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740228C (de) * 1939-03-04 1943-10-14 Ing Bohdan Pantoflicek Zuendung eines Geschosses oder einer Bombe mit explosiven Innengeschossen
US3374741A (en) * 1965-12-28 1968-03-26 Army Usa Spotting charge
US3506505A (en) * 1967-12-01 1970-04-14 Herzog Johanna Nitrocellulose base propellant coated with graphite,plasticizer,and inorganic pigment
US4173931A (en) * 1976-12-08 1979-11-13 Firma BUCK Chemisch-Technische Werke GmbH. & Co. Incendiary warhead
EP0002466A2 (fr) * 1977-12-09 1979-06-27 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Procédé pour améliorer la dépendance vis à vis de la pression de la combustion de propergols en pain ou pour armes à feu et leur application comme composants de propergols en pain ou pour armes à feu
DE3629668C1 (de) * 1986-08-30 1988-03-10 Rheinmetall Gmbh Drallstabilisiertes Bomblettraegergeschoss
DE3640485C1 (en) * 1986-11-27 1987-10-22 Rheinmetall Gmbh Bomblet (submunition)

Also Published As

Publication number Publication date
DE3809177C1 (fr) 1989-06-22
US4869174A (en) 1989-09-26
DE58904103D1 (de) 1993-05-27
JPH0210099A (ja) 1990-01-12
JP2608952B2 (ja) 1997-05-14
CA1324030C (fr) 1993-11-09
EP0337049B1 (fr) 1993-04-21
ATE88559T1 (de) 1993-05-15

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