EP2255154B1 - Procédé de fabrication d'une cartouche avec un projectile à cage motrice construit selon ce procédé - Google Patents

Procédé de fabrication d'une cartouche avec un projectile à cage motrice construit selon ce procédé Download PDF

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Publication number
EP2255154B1
EP2255154B1 EP09721311A EP09721311A EP2255154B1 EP 2255154 B1 EP2255154 B1 EP 2255154B1 EP 09721311 A EP09721311 A EP 09721311A EP 09721311 A EP09721311 A EP 09721311A EP 2255154 B1 EP2255154 B1 EP 2255154B1
Authority
EP
European Patent Office
Prior art keywords
projectile
sealing ring
casing cover
casing
area
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.)
Active
Application number
EP09721311A
Other languages
German (de)
English (en)
Other versions
EP2255154A1 (fr
Inventor
Thomas Heitmann
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 EP2255154A1 publication Critical patent/EP2255154A1/fr
Application granted granted Critical
Publication of EP2255154B1 publication Critical patent/EP2255154B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F42B5/188—Manufacturing processes therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F42B5/181—Caseless ammunition; Cartridges having combustible cases consisting of a combustible casing wall and a metal base; Connectors therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F42B5/192—Cartridge cases characterised by the material of the casing wall

Definitions

  • the invention relates to a method for producing a cartridge having a projectile and a combustible propellant charge sleeve and a sleeve cover connecting the propellant charge sleeve to the projectile, the projectile having a sealing ring adjacent to the sleeve cover.
  • the invention further relates to a cartridge with a sabot projectile made by this method. Such a method is known from EP 1 586 852 A1 ,
  • a sleeve cover which may consist of a combustible material (for example nitrated plastic-impregnated cardboard) or an inert material (for example non-nitrated plastic-impregnated cardboard).
  • tank ammunition requires a ductile sealing tape to prevent any propellant gases from passing the missile as it passes through the corresponding gun barrel.
  • the sleeve cover is connected, for example via a screw or an adhesive connection with the rear-side portion of the projectile body, while the metal or plastic existing separate sealing ring is either pressed or injected into a designated annular groove of the projectile and then has to be post-treated.
  • the invention has for its object to provide a method of the type mentioned, which compared to comparable known methods for the preparation of Cartridges with sleeve cover allows a more cost-effective installation.
  • a cartridge with a sabot projectile to be disclosed which is produced by this method.
  • the invention is based essentially on the idea to produce the sleeve cover as an injection molded part made of an elastic plastic, wherein the projectile facing the front side portion of the sleeve cover forms the sealing ring of the projectile.
  • the integration of the sealing ring in the sleeve cover not only a simple assembly of the cartridge is possible, but by replacing the used in known cartridges, relatively brittle and abrasion-sensitive material for the sleeve cover by an elastic plastic is also the whole of sleeve cover, projectile and propellant charge existing arrangement with environmental pollution less prone to breakage and cracking than corresponding known arrangements, since the elastic plastic absorbs deformation energy.
  • there is no inadvertent ignition of the sleeve cover when a sleeve cover made of plastic if this is rubbed during loading and unloading of parts of the corresponding weapon.
  • a required in known sleeve covers protective coating can be omitted as a rule.
  • the sleeve cover should preferably be provided with an annular predetermined breaking point between the region serving as a sealing ring and the region adjoining it at the rear, so that upon firing the sleeve cover during threading of the projectile into the caliber region of a corresponding weapon barrel is separated along the predetermined breaking points. The remains of the sleeve cover remaining in the charge space region of the weapon barrel are then expelled from the tube by the propellant charge gases on the outlet side.
  • the serving as a sealing ring portion of the sleeve cover can be pressed or shrunk onto the projectile or attached by means of an adhesive bond to the projectile.
  • the serving as a sealing ring portion of the sleeve cover is fixed to the projectile by a lock nut.
  • Fig. 1 1 denotes a cartridge which can be fired from a large-caliber smooth-bore gun and which comprises a sabot projectile 2, a propellant charge sleeve 3 indicated only by dashed lines and a sleeve cover 4 connecting the propellant charge shell 3 and the sabot 2.
  • the sabot projectile 2 essentially consists of a subcaliber penetrator 5 and a disposable sabot 6.
  • the sabot 6 in this exemplary embodiment is a shock-absorbing cage with a plate-shaped driving element 7 acting on the rear side of the subcaliber penetrator 5.
  • the sleeve cover 4 is an injection-molded part made of an elastic plastic whose front-side region 8 (FIG. Fig. 2 ) surrounds the drive element 7 of the sabot 6 on the outside and forms the sealing ring of the sabot projectile 2.
  • annular predetermined breaking point 10 is provided between the sealing ring 8 and the adjoining rear region 9. This is advantageously arranged so that it is in loaded in a gun barrel cartridge 1 in the region of the cone transition to the cargo space of the corresponding weapon, so that when firing the sleeve cover 4 when threading the sabot projectile 2 in the caliber area of the corresponding gun barrel along the predetermined breaking points 10 separated becomes. The remains of the sleeve cover 4 remaining in the charge space region of the weapon barrel are subsequently expelled from the tube by the propellant charge gases on the outlet side.
  • the sleeve cover 4 is attached to the sabot floor 2 by a screwed onto the plate-shaped driving element 7 rear side lock nut 11.
  • the cartridge does not necessarily have to be one with a stator-stabilized sabot projectile.
  • the method according to the invention can also be used, for example, in cartridges with guide-stabilized bullet-shaped bodies.
  • the attachment of serving as a sealing ring portion of the sleeve cover can be done on the usually conically shaped portion of the projectile body facing Leitmaschinens.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Claims (4)

  1. Procédé de fabrication d'une cartouche (1) avec un projectile (2) et une douille à charge propulsive combustible (3) ainsi qu'un couvercle de douille (4) qui relie la douille à charge propulsive (3) au projectile (2), le projectile (2) présentant une bague d'étanchéité (8) voisine du couvercle de douille (4), comprenant les étapes suivantes
    - fabrication du couvercle de douille (4) par moulage par injection avec une matière plastique souple, la bague d'étanchéité étant formée par la zone (8) du côté avant du couvercle de douille (4) qui fait face au projectile (2),
    - liaison du couvercle de douille (4) à la douille à charge propulsive (3) et au projectile (2),
    - le couvercle de douille (4) étant doté d'un point de rupture voulu (10) de forme annulaire entre la zone (8) qui forme la bague d'étanchéité et la zone côté arrière (9) qui vient s'y rattacher, et
    - la zone (8) du couvercle de douille (4) qui sert de bague d'étanchéité étant emmanchée par pression ou emmanchée par frettage sur le projectile (2) ou encore fixée au projectile (2) au moyen d'une liaison collée.
  2. Procédé selon la revendication 1, caractérisé en ce que la zone (8) du couvercle de douille (4) qui sert de bague d'étanchéité est fixée au projectile (2) par un contre-écrou (11).
  3. Cartouche comprenant un projectile (2) composé d'un corps pénétrant (5) de petit calibre et d'une cage propulsive (6) éjectable, une douille à charge propulsive combustible (3) ainsi qu'un couvercle de douille (4) qui relie la douille à charge propulsive (3) à la cage propulsive (6),
    - la cage propulsive (6) englobant une bague d'étanchéité (8) voisine du couvercle de douille (4) et la bague d'étanchéité étant la zone avant (8) du couvercle de douille (4),
    - le couvercle de douille (4) se composant d'une pièce moulée par injection en une matière plastique souple et un point de rupture voulu (10) de forme annulaire étant prévu entre la zone (8) qui forme la bague d'étanchéité et la zone côté arrière (9) qui vient s'y rattacher et
    - la zone (8) du couvercle de douille (4) qui sert de bague d'étanchéité étant emmanchée par pression ou emmanchée par frettage sur le projectile (2) ou encore fixée au projectile (2) au moyen d'une liaison collée.
  4. Cartouche selon la revendication 3, caractérisée en ce que la cage propulsive (6) est une cage propulsive par choc avec un élément propulseur (7) du coté arrière en forme de plaque qui agit sur le corps pénétrant (5) de petit calibre, la zone (8) du couvercle de douille (4) qui sert de bague d'étanchéité entourant l'élément propulseur (7) du côté extérieur.
EP09721311A 2008-03-20 2009-03-06 Procédé de fabrication d'une cartouche avec un projectile à cage motrice construit selon ce procédé Active EP2255154B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008015421A DE102008015421A1 (de) 2008-03-20 2008-03-20 Verfahren zur Herstellung einer Patrone und Patrone mit einem Treibkäfiggeschoss, hergestellt nach diesem Verfahren
PCT/EP2009/001599 WO2009115199A1 (fr) 2008-03-20 2009-03-06 Procédé de fabrication d'une cartouche avec un projectile à cage motrice construit selon ce procédé

Publications (2)

Publication Number Publication Date
EP2255154A1 EP2255154A1 (fr) 2010-12-01
EP2255154B1 true EP2255154B1 (fr) 2011-09-28

Family

ID=40834544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09721311A Active EP2255154B1 (fr) 2008-03-20 2009-03-06 Procédé de fabrication d'une cartouche avec un projectile à cage motrice construit selon ce procédé

Country Status (6)

Country Link
US (1) US8522683B2 (fr)
EP (1) EP2255154B1 (fr)
AT (1) ATE526553T1 (fr)
DE (1) DE102008015421A1 (fr)
ES (1) ES2374374T3 (fr)
WO (1) WO2009115199A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010034333B4 (de) 2010-07-06 2014-12-11 Rheinmetall Waffe Munition Gmbh Vollkaliber-Übungsmunition
US8807008B2 (en) 2011-01-14 2014-08-19 Pcp Tactical, Llc Polymer-based machine gun belt links and cartridge casings and manufacturing method
US8763535B2 (en) 2011-01-14 2014-07-01 Pcp Tactical, Llc Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition
US12247819B2 (en) 2010-07-30 2025-03-11 Pcp Tactical, Llc Two-piece insert and/or flash tube for polymer ammunition cartridges
US10197366B2 (en) 2011-01-14 2019-02-05 Pcp Tactical, Llc Polymer-based cartridge casing for blank and subsonic ammunition
US8869702B2 (en) 2011-01-14 2014-10-28 Pcp Tactical, Llc Variable inside shoulder polymer cartridge
EP2908086B1 (fr) 2011-01-14 2017-08-23 PCP Tactical, LLC Douille de cartouche à base de polymère de résistance élevée et son procédé de fabrication
USD682979S1 (en) * 2012-01-07 2013-05-21 William Dirk MacTavish Fluted sabot
USD715888S1 (en) 2012-01-13 2014-10-21 Pcp Tactical, Llc Radiused insert
DE102012020540A1 (de) 2012-10-19 2014-04-24 Rheinmetall Waffe Munition Gmbh Patrone und Verfahren zu seiner Herstellung
DE102012020541A1 (de) 2012-10-19 2014-04-24 Rheinmetall Waffe Munition Gmbh Patrone und Verfahren zu seiner Herstellung
EP3847411A1 (fr) 2018-07-30 2021-07-14 Pcp Tactical, Llc Article de munition en polymère conçu pour être utilisé sur une large plage de températures
EP4379309A3 (fr) 2018-07-30 2024-07-10 Pcp Tactical, Llc Cartouche polymère avec insert métallique encliquetable amélioré

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
US3447466A (en) * 1967-09-05 1969-06-03 Oerlikon Buhrie Holding Ltd Sabot projectile with core guiding means
US3658008A (en) * 1970-04-17 1972-04-25 Dow Corning Integrated round with combustible cartridge
DE2828251C1 (de) * 1978-06-28 1985-10-03 Rheinmetall GmbH, 4000 Düsseldorf Patronierte Munition mit Geschoss und verbrennbarer oder teilverbrennbarer Huelse
FR2445509A1 (fr) * 1978-12-28 1980-07-25 Thomson Brandt Mecanisme de lancement d'un projectile sous-calibre
US4384529A (en) * 1981-02-02 1983-05-24 The United States Of America As Represented By The Secretary Of The Army Projectile seal
US4444113A (en) * 1981-04-06 1984-04-24 The United States Of America As Represented By The Secretary Of The Army High-pressure self-sealing obturator in sabot discard projectile
FR2620214B1 (fr) * 1987-09-09 1990-04-13 France Etat Armement Bague de liaison entre un projectile et une douille
US5155295A (en) * 1989-10-19 1992-10-13 Olin Corporation Cartridge assembly
FR2665761B1 (fr) * 1990-08-13 1994-09-16 Giat Ind Sa Ceinture d'etancheite pour projectile fleche.
US5138949A (en) * 1990-09-20 1992-08-18 Olin Corporation Combustible ammunition cartridge case
US5359938A (en) * 1990-10-24 1994-11-01 Olin Corporation Ultra light weight sabot
US5090323A (en) * 1990-10-31 1992-02-25 501 Alliant Techsytems Inc. Two-piece ammunition propellant containment bag
US5183961A (en) * 1991-12-09 1993-02-02 Olin Corporation Extended charge cartridge assembly
US5841062A (en) * 1996-01-29 1998-11-24 The United States Of America As Represented By The Secretary Of The Army Tank cartridge
FR2763392B1 (fr) * 1997-05-15 1999-06-11 Giat Ind Sa Boitier pour charge propulsive
US6295934B1 (en) * 1999-06-29 2001-10-02 Raytheon Company Mid-body obturator for a gun-launched projectile
FR2801667B1 (fr) * 1999-11-25 2002-01-18 Giat Ind Sa Dispositif de liaison entre une douille et un projectile et procede de montage d'une ceinture sur un projectile mettant en oeuvre un tel dispositif de liaison
DE10055068B4 (de) * 2000-11-07 2006-08-17 Rheinmetall Waffe Munition Gmbh Patrone
US6748870B2 (en) * 2001-10-22 2004-06-15 Armtec Defense Products Company Ammunition round assembly with combustible cartridge case
US6626113B1 (en) * 2002-02-19 2003-09-30 The United States Of America As Represented By The Secretary Of The Army Long range training cartridge
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FR2878025B1 (fr) * 2004-11-12 2009-05-15 Giat Ind Sa Munition sans douille et procede de montage d'une telle munition

Also Published As

Publication number Publication date
US8522683B2 (en) 2013-09-03
EP2255154A1 (fr) 2010-12-01
ES2374374T3 (es) 2012-02-16
DE102008015421A1 (de) 2009-09-24
WO2009115199A1 (fr) 2009-09-24
ATE526553T1 (de) 2011-10-15
US20110000391A1 (en) 2011-01-06

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