EP2435780B1 - Procédé de fabrication d'un projectile explosif de gros calibre et projectile explosif fabriqué selon ce procédé - Google Patents

Procédé de fabrication d'un projectile explosif de gros calibre et projectile explosif fabriqué selon ce procédé Download PDF

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Publication number
EP2435780B1
EP2435780B1 EP10720128.7A EP10720128A EP2435780B1 EP 2435780 B1 EP2435780 B1 EP 2435780B1 EP 10720128 A EP10720128 A EP 10720128A EP 2435780 B1 EP2435780 B1 EP 2435780B1
Authority
EP
European Patent Office
Prior art keywords
projectile
casing
projectile casing
explosive charge
explosive
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.)
Not-in-force
Application number
EP10720128.7A
Other languages
German (de)
English (en)
Other versions
EP2435780A1 (fr
Inventor
Ole Dau
Uwe Naderhoff
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.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP2435780A1 publication Critical patent/EP2435780A1/fr
Application granted granted Critical
Publication of EP2435780B1 publication Critical patent/EP2435780B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/0207Processes for loading or filling propulsive or explosive charges in containers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/20Projectiles, 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
    • F42B12/207Projectiles, 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 characterised by the explosive material or the construction of the high explosive warhead, e.g. insensitive ammunition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B30/00Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
    • F42B30/08Ordnance projectiles or missiles, e.g. shells
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/001Devices or processes for assembling ammunition, cartridges or cartridge elements from parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/0214Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges by casting

Definitions

  • the invention relates to a method for producing a large-caliber explosive projectile with a projectile casing with ogivalem front part, which encloses a filled with a plastic-bonded explosive charge interior and has a tip side closable with a head detonator mouth hole.
  • the invention further relates to a produced by this method large-caliber explosive projectile.
  • Such a method is for example from the document EP 1 338 860 B1 known.
  • an existing example of an elastic plastic shell (hereinafter referred to as a liner) is introduced through the mouth hole in the interior of the projectile casing and then poured the explosive charge in the liner.
  • the liner is required in this case to decouple the explosive charge to the inner wall of the projectile casing due to the different volumetric expansion coefficients of the explosive charge and the projectile casing material in temperature fluctuations.
  • a disadvantage of the known method is especially that the mouth hole designed for screwing a detonator has a small diameter, so that both the introduction and positioning of the liner in the interior of the projectile casing and the introduction of the usually highly viscous castable explosive charge in the liner extraordinarily time consuming.
  • the invention has for its object to provide a method of the type mentioned, in which both the liner and the explosive charge in a simple manner, quickly and accurately in the projectile casing of the projectile can be introduced. Furthermore a large-caliber explosive projectile is to be disclosed, which is produced by this method.
  • the invention is based essentially on the idea not to introduce the liner and the explosive charge through the designed for the head detonator mouth hole in the interior of the projectile casing, but by a much larger opening.
  • the projectile casing is produced as an at least two-part casing, such that in the direction of the longitudinal axis of the projectile casing there is a rear-side projectile casing section and a ring-shaped, front projectile casing section containing the mouth-hole, wherein the two projectile casing sections in the region of the ogival front part preferably together via a screw connection are connectable.
  • a liner adapted to the inner contour of the interior and made of an elastic material is first introduced and positioned into the interior of the rear-side projectile casing section through its front opening. Then the plastic-bonded explosive charge is introduced into the liner, and after its curing, the liner is closed with a plastic, for example, existing lid. Subsequently, an elastic compensation element adapted to the internal geometry of the front-side projectile casing section is positioned on the cover and the two projectile casing sections are screwed together.
  • the liner can be wrinkle-free very well and without further processing steps in the interior of this projectile casing section bring in and position it exactly.
  • the also correspondingly large interpretable opening of the plastic cover allows a very good filling of the liner with the explosive charge, which can thus be filled voids and bubbles in the liner.
  • the liner is selected so that the explosive charge protrudes from the front side over the rear-side projectile casing section, and that after curing of the explosive charge by appropriate processing the front ends with a flat surface and after connecting the two bullet casing sections in the interior of the front Projectile casing section protrudes.
  • the liner is hermetically sealed by the lid and an applied seal.
  • the length of the front projectile casing section is approximately equal to 1/3 of the total length of the projectile casing.
  • the compensation element should preferably consist of an open-cell foam.
  • the screw connection of the two projectile casing sections should preferably be secured against loosening by means of an adhesive.
  • Fig.1 1 is a large-caliber, spin-stabilized explosive projectile, as it can be fired, for example, from a Panzerhaubitze.
  • the explosive projectile 1 comprises a projectile casing 2 with ogivalem front part 2 ', a bottom part 3 and a front-side head detonator 4.
  • the head detonator 4 is screwed into a tip-side arranged in the projectile casing 2 mouth hole 5.
  • the projectile casing 2 surrounds an interior space 6, with the inner walls 7, an elastic, plastic cover (liner) 8 is glued.
  • liner 8 In the liner 8 is a plastic-bound, insensitive explosive charge 9.
  • the explosive charge 9 is closed by an elastic compensating element 10, on whose side facing away from the explosive charge 9, the front area of the inner wall of the projectile casing 2 and the head detonator 4 exert a predeterminable pressure, so that the explosive charge 9 is under prestress.
  • the projectile casing 2 viewed in the direction of its longitudinal axis 11, consists of two projectile casing sections 20, 21, which are connected to one another in the region of the ogival front section 2 'by means of a screw connection 22 and secured against loosening by means of gluing.
  • the liner 8 is then pushed and positioned by the relatively large opening 23 of the rear-side projectile casing section 20 into the interior 6 of this casing section.
  • the length of the liner 8 is selected such that the liner 8 extends on the front side in front of the front edge 24 of the rear-side projectile casing section 20.
  • the explosive charge 9 is then poured into the liner 8, such that the explosive charge 9 protrudes on the front side over the rear-side projectile casing section 20.
  • the explosive charge 9 After curing of the explosive charge 9, this is processed for example by means of a machining process such that the explosive charge 9 ends on the front side with a flat surface 25.
  • the liner 8 is then provided with a cover 26 made of plastic and hermetically sealed by means of a bond.
  • the exactly adapted to the internal geometry of the front floor shell portion 21 compensating element 10 is positioned from an open-cell foam.
  • This compensating element 10 has a large footprint to the lid 26 of the liner 8.
  • an explosive head detonator 4 is screwed into the mouth hole 5 and glued.
  • the head detonator 4 can be designed such that it can be used for further compression of the compensating element 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (7)

  1. Procédé de fabrication d'un projectile explosif de gros calibre (1) comprenant une enveloppe de projectile (2) avec une partie avant ogivale (2') qui entoure un espace intérieur (6) rempli d'une charge explosive (9) plastique et un orifice (5) du côté de la pointe, pouvant être obturé par un détonateur de tête (4), comprenant les caractéristiques suivantes :
    a) l'enveloppe de projectile (2) est fabriquée sous forme d'enveloppe au moins en deux parties de manière à obtenir une portion d'enveloppe de projectile arrière (20) dans la direction de l'axe longitudinal (11) de l'enveloppe de projectile (2) et une portion d'enveloppe de projectile avant (21) contenant l'orifice (5) et réalisée sous forme annulaire, les deux portions d'enveloppe de projectile (20, 21) pouvant être reliées l'une à l'autre dans la région de la partie avant ogivale (2') par le biais d'un raccord vissé (22) ;
    b) avant la liaison des deux portions d'enveloppe de projectile (20, 21), une enveloppe (8) constituée de matériau élastique, adaptée au contour intérieur de l'espace intérieur (6), est d'abord introduite et positionnée dans l'espace intérieur (6) de la portion d'enveloppe de projectile arrière (20) à travers son ouverture avant (23) ;
    c) ensuite la charge explosive (9) plastique est introduite dans l'enveloppe (8) et après son durcissement, l'enveloppe (8) est obturée hermétiquement avec un couvercle (26) ;
    d) ensuite un élément d'équilibrage élastique (10) adapté à la géométrie intérieure de la portion d'enveloppe de projectile avant (21) est positionné sur le couvercle (26) et les deux portions d'enveloppe de projectile (20, 21) sont vissées l'une à l'autre.
  2. Procédé selon la revendication 1, caractérisé en ce que l'enveloppe est sélectionnée de telle sorte que la charge explosive (9) fasse saillie axialement au-delà du bord avant (24) de la portion d'enveloppe de projectile arrière (20), et après le durcissement de la charge explosive (9), ferme celle-ci par un usinage correspondant du côté avant avec une surface plane (25), qui pénètre dans l'espace interne de la portion d'enveloppe de projectile avant (21) après la connexion des deux portions d'enveloppe de projectile (20, 21).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'enveloppe (8) et le couvercle (26) sont collés ou scellés l'un à l'autre et/ou à la paroi intérieure de l'enveloppe de projectile (2).
  4. Projectile explosif de gros calibre comprenant une enveloppe de projectile (2) ayant une partie avant ogivale (2'), qui entoure un espace intérieur rempli d'une charge explosive (9) plastique et dont la partie avant ogivale (2') présente du côté de la pointe un orifice (5) pouvant être obturé par un détonateur de tête (4), une enveloppe (8) constituée d'un matériau élastique étant disposée au niveau des parois intérieures (7) de l'espace intérieur (6) de l'enveloppe de projectile (2), dans laquelle enveloppe de projectile se trouve la charge explosive (9), qui est terminée du côté avant par un élément d'équilibrage élastique (10), caractérisé en ce que
    l'enveloppe de projectile (2) dans la direction de son axe longitudinal (11) se compose d'au moins deux portions d'enveloppe de projectile (20, 21), la portion d'enveloppe de projectile avant (21) réalisée sous forme annulaire, contenant l'orifice (5), étant connectée dans la région de la partie avant ogivale (2') à la portion d'enveloppe de projectile arrière (20) par le biais d'un raccord vissé (22) et en ce que la charge explosive (9) s'étend jusque dans la portion d'enveloppe de projectile avant (21) et l'enveloppe (8) est fermée avec un couvercle (26) sur lequel s'applique par engagement positif du côté avant l'élément d'équilibrage (10).
  5. Projectile explosif de gros calibre selon la revendication 4, caractérisé en ce que le raccord vissé (22) des deux portions d'enveloppe de projectile (20, 21) est protégé contre le desserrage avec de la colle.
  6. Projectile explosif de gros calibre selon la revendication 4 ou 5, caractérisé en ce que la longueur de la portion d'enveloppe de projectile avant (21) vaut approximativement 1/3 de la longueur totale de l'enveloppe (2).
  7. Projectile explosif de gros calibre selon l'une quelconque des revendications 4 à 6, caractérisé en ce que l'élément d'équilibrage (10) se compose d'une mousse à pores ouverts.
EP10720128.7A 2009-05-25 2010-05-06 Procédé de fabrication d'un projectile explosif de gros calibre et projectile explosif fabriqué selon ce procédé Not-in-force EP2435780B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009022495A DE102009022495A1 (de) 2009-05-25 2009-05-25 Verfahren zur Herstellung eines großkalibrigen Sprenggeschosses und Sprenggeschoss, hergestellt nach diesem Verfahren
PCT/EP2010/002795 WO2010145734A1 (fr) 2009-05-25 2010-05-06 Procédé de fabrication d'un projectile explosif de gros calibre et projectile explosif fabriqué selon ce procédé

Publications (2)

Publication Number Publication Date
EP2435780A1 EP2435780A1 (fr) 2012-04-04
EP2435780B1 true EP2435780B1 (fr) 2013-07-10

Family

ID=42314825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10720128.7A Not-in-force EP2435780B1 (fr) 2009-05-25 2010-05-06 Procédé de fabrication d'un projectile explosif de gros calibre et projectile explosif fabriqué selon ce procédé

Country Status (6)

Country Link
US (2) US8601950B2 (fr)
EP (1) EP2435780B1 (fr)
DE (1) DE102009022495A1 (fr)
IL (1) IL216499A (fr)
WO (1) WO2010145734A1 (fr)
ZA (1) ZA201107921B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014665B3 (de) * 2013-08-29 2014-04-30 Bundesrepublik Deutschland, vertreten durch das BMVg, vertreten durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr Sprenggeschoss und dessen Herstellungsverfahren
EP3091329A1 (fr) 2015-05-08 2016-11-09 Diehl BGT Defence GmbH & Co. Kg Procede de fabrication d'une charge pour un projectile explosif

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DE102009022495A1 (de) * 2009-05-25 2010-12-02 Rheinmetall Waffe Munition Gmbh Verfahren zur Herstellung eines großkalibrigen Sprenggeschosses und Sprenggeschoss, hergestellt nach diesem Verfahren
DE102012000011A1 (de) 2012-01-02 2013-07-04 Rheinmetall Waffe Munition Gmbh Drallstabilisiertes Sprenggeschoss
US9778004B2 (en) 2013-08-20 2017-10-03 Bae Systems Plc Smoke payload apparatus
EP3036497B1 (fr) 2013-08-20 2018-04-25 BAE Systems PLC Munition d'éclairage
US9797698B2 (en) * 2013-08-20 2017-10-24 Bae Systems Plc Common carrier munition
ES2646272T3 (es) * 2013-08-20 2017-12-13 Bae Systems Plc Munición frangible
ITBS20130145A1 (it) * 2013-10-16 2015-04-17 Rwm Italia S P A Metodo di caricamento di un dispositivo esplosivo avente capacita' distruttiva controllata e relativo dispositvo esplosivo
DE102013021030A1 (de) 2013-12-17 2015-06-18 Rheinmetall Waffe Munition Gmbh Gefechtskopf und Sprengladungsmodul für einen derartigen Gefechtskopf
DE102014103105B3 (de) * 2014-03-07 2014-12-04 Rheinmetall Waffe Munition Gmbh Verfahren und Herstellung eines großkalibrigen Gefechtskopfes und Gefechtskopf, hergestellt nach diesem Verfahren
RU2576719C1 (ru) * 2015-03-10 2016-03-10 Открытое акционерное общество "Центральный научно-исследовательский институт точного машиностроения" (ОАО "ЦНИИТОЧМАШ") Артиллерийский выстрел унитарного заряжания
DE102015005980A1 (de) 2015-05-08 2016-11-10 Diehl Bgt Defence Gmbh & Co. Kg Sprengladung mit vogegebenem Volumen und vorgegebener äußerer Form sowie Geschoss
DE102016008391B4 (de) * 2016-07-09 2018-05-24 Diehl Defence Gmbh & Co. Kg Geschoss
RU175283U1 (ru) * 2017-08-08 2017-11-29 Федеральное государственное унитарное предприятие "Российский Федеральный ядерный центр - Всероссийский научно-исследовательский институт экспериментальной физики" (ФГУП "РФЯЦ-ВНИИЭФ") Взрывное устройство
DE102018108766A1 (de) 2018-04-12 2019-10-17 Rheinmetall Waffe Munition Gmbh Sprenggeschoss
DE102020116228B3 (de) 2020-06-19 2021-12-23 Rheinmetall Waffe Munition Gmbh Geschoss und Munition
GB2620736A (en) * 2022-07-18 2024-01-24 Bae Systems Plc Common carrier munition

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014665B3 (de) * 2013-08-29 2014-04-30 Bundesrepublik Deutschland, vertreten durch das BMVg, vertreten durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr Sprenggeschoss und dessen Herstellungsverfahren
EP3091329A1 (fr) 2015-05-08 2016-11-09 Diehl BGT Defence GmbH & Co. Kg Procede de fabrication d'une charge pour un projectile explosif

Also Published As

Publication number Publication date
ZA201107921B (en) 2012-07-25
IL216499A (en) 2015-07-30
US20120137918A1 (en) 2012-06-07
EP2435780A1 (fr) 2012-04-04
US20140076129A1 (en) 2014-03-20
DE102009022495A1 (de) 2010-12-02
IL216499A0 (en) 2012-01-31
US8739671B2 (en) 2014-06-03
WO2010145734A1 (fr) 2010-12-23
US8601950B2 (en) 2013-12-10

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