EP0787969B1 - Procédé de fabrication d'un projectile à noyau et à chemise - Google Patents

Procédé de fabrication d'un projectile à noyau et à chemise Download PDF

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Publication number
EP0787969B1
EP0787969B1 EP97100478A EP97100478A EP0787969B1 EP 0787969 B1 EP0787969 B1 EP 0787969B1 EP 97100478 A EP97100478 A EP 97100478A EP 97100478 A EP97100478 A EP 97100478A EP 0787969 B1 EP0787969 B1 EP 0787969B1
Authority
EP
European Patent Office
Prior art keywords
projectile
blank
core
case
shaft
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
EP97100478A
Other languages
German (de)
English (en)
Other versions
EP0787969A1 (fr
Inventor
Albert Wernz
Wolfgang Katzmaier
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.)
Heckler und Koch GmbH
Original Assignee
Heckler und Koch 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 Heckler und Koch GmbH filed Critical Heckler und Koch GmbH
Publication of EP0787969A1 publication Critical patent/EP0787969A1/fr
Application granted granted Critical
Publication of EP0787969B1 publication Critical patent/EP0787969B1/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
    • 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
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
    • F42B12/78—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets ; Jacketed bullets or projectiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor

Definitions

  • the invention relates to a method for producing a Projectile as in the introductory part of claim 1 is outlined in more detail.
  • Such a projectile is said to be for precision weapons, especially for precision rifles, where it is set up high accuracy even in long range and good Breakthrough performance arrives.
  • the floor has one over its entire surface Longitudinal core made of a high density material on, such as tungsten or sintered hard metal. Because the core is the Forms a projectile tip, this can be achieved when using a hard core will not be deformed before the shot.
  • a projectile of similar shape is from CH-A-0 318 865 known; this well-known projectile is said to be special have a light core and is therefore for the shot long distance and good penetration not suitable.
  • GB-A-2 244 119 also proposes Kern and To produce the jacket cover separately and then these two put together. Then this gets to the core rolled on. But it can also happen when rolling on Material flow come in the circumferential direction.
  • the finished outer contour by clamping the Bullet core and turning achieved.
  • the axis of rotation of the finished projectile exactly with the clamping axis of the projectile core coincides, and that the floor contour with practical any accuracy can be produced.
  • the projectile core blank can, for example, by all common manufacturing processes are manufactured. It is however, it is particularly advantageous that for the production of the Projectile core blanks with a blank on the front Centering tip and at the rear with a centering hole is provided and then added between tips and is processed (claim 2).
  • the projectile core thus has an axis of rotation that with its clamping axis and - due to the invention Process - also with the longitudinal axis of the finished Projectile axis coincides.
  • the jacket blank can be made separately from the projectile core or by applying it to the core of the floor getting produced.
  • the separately manufactured blank shell is preferred pushed onto the barrel of the projectile core blank and there plastically deformed radially inwards (claim 3).
  • the material of the later jacket is placed on the Shank of the projectile core blank in the composite casting, by spraying, Sintering, casting, vapor deposition, galvanic Application or the like applied until the excess is reached (Claim 4).
  • plastic will preferably be sprayed onto the shaft, while a tombac or aluminum jacket separately preformed and connected to the shaft.
  • the floor shown consisting of a core 2 and a coat 1, is considered a relatively long top floor designed with a conical tail and for firing made up of a swirled barrel.
  • the finished Gechoß (Fig. 1 and the extended Outlines in Fig. 2 and Fig. 3) has a bullet tip 3, the length of which is part of the total length of the projectile forms; continue a projectile body and a Bullet tail 9, which together is another part of the bullet length take and from a projectile core shaft 4 be pushed through in the middle.
  • the projectile core shaft 4 is in the essentially cylindrical and has an outer diameter on the smaller, e.g. 2/3 than the largest outside diameter of the floor.
  • the shaft 4 is surrounded by the jacket 1, the outer contour continues continuously in the outer contour of the floor tip 3.
  • the jacket 1 on its outside to be smooth or to have punctures (floating) from which one can be seen in FIGS. 1 and 2 and of guide zones 11 is limited to the front and back.
  • the shaft 4 ends in a shoulder 6 Rear section 4a, the diameter of which is smaller than that of the shaft 4 and e.g. 2/3 of the shaft diameter is.
  • the shaft 4 ends in a conical shape tapered section 4b which is integral with the Tip 3 flows into.
  • the maximum diameter of the tip 3 is considerably larger than that of the shaft in this area 4, so that the rear end of the tip 3 over the Shaft 4 protrudes and forms a ring step 5.
  • the one tapered shaft portion 4b facing end surface of the Tip 3 forms a very flat conical surface.
  • the angle between the contour of the conically tapered shaft section 4b and the adjacent flat cone surface of the tip 3 preferably about 90 °.
  • the jacket 1 is close to the outer surface of the shaft 4 and thus positively engages both in the tapered shaft section 4b behind the ring step 5 as also in the rear shaft section 4a.
  • the rear floor surface 12 of the floor one flat, round transom, its wreath-shaped outside area from coat 1 and its interior from Shaft 4 of the core 2 is formed.
  • In the middle of the interior there is a center hole 10.
  • the core 2 is at the foremost end of the tip 3 as a pointed nose cone.
  • the nose cone Only in the area of the tip 3 is the core blank 7 the nose cone extends towards the stern and goes into one cylindrical section over whose outside diameter is larger than the largest outer diameter of the core 2 after finishing.
  • the end face of the core blank 7 is with the center hole 10 provided.
  • a jacket blank 8 becomes a tubular one Sleeve formed, which is pushed onto the shaft and there is pressed so tight that the material of the blank jacket 8 (dash-double-dotted outline) all around the paragraph 6 in the taper on the ring step 5, against this, as well as against the entire length of the outside of the Stems firmly.
  • the blank blank thus formed is between again the center bore 10 and the nose cone and machined along an outer surface so that the extended Contour line is reached, with a steady transition is produced between tip 3 and jacket 1. If necessary the bottom surface 12 is also reworked.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Soft Magnetic Materials (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Claims (4)

  1. Procédé de fabrication d'une balle de fusil à noyau, qui est formée par une enveloppe (1) et un noyau (2) massif formant un élément de pénétration, qui présente au moins sur la plus grande partie de sa longueur un diamètre inférieur au diamètre extérieur de l'enveloppe (1), qui s'étend sur toute la longueur de la balle et forme la pointe de la balle (3), dont l'extrémité arrière présente un diamètre supérieur à celui de la partie du noyau (2) formant une tige (4) à l'arrière de la pointe et forme avec ladite tige un décrochement annulaire (5), alors que l'enveloppe (1) s'étend à partir de l'extrémité arrière de la balle (9) seulement sur une partie de la longueur du noyau (2), lequel procédé comprend les étapes suivantes :
    a) fabrication d'une ébauche du noyau de la balle (7), dans laquelle la tige (4) et la partie avant de la pointe (3) sont fabriquées dans leurs dimensions finales et le reste de la pointe (3) est surdimensionné ;
    b) fabrication d'une ébauche de l'enveloppe (8) et mise en place de celle-ci sur la tige (4) de l'ébauche du noyau de la balle, dans laquelle l'ébauche de l'enveloppe (8) est fabriquée avec un diamètre surdimensionné et s'engage par conjugaison de forme dans le décrochement annulaire, ainsi que, le cas échéant, dans un épaulement arrière (6) ; et
    c) montage entre des pointes de l'ébauche de la balle (7) ainsi fabriquée et réalisation du contour définitif de la balle par usinage au tour.
  2. Procédé selon la revendication 1, caractérisé en ce que, pour la fabrication de l'ébauche du noyau de la balle (7) (étape a), une pièce brute est munie sur sa face frontale d'une pointe de centrage et sur sa face arrière d'une forure de centrage (10), elle est ensuite montée entre des pointes, puis usinée.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, pour la fabrication de l'ébauche de l'enveloppe (8), ainsi que pour sa mise en place sur l'ébauche du noyau (7) (étape b), on fabrique un tube de gainage, que l'on fait coulisser sur la tige (4) de l'ébauche du noyau (7), sur lequel ledit tube est formé par déformation plastique dans le sens radial vers l'intérieur.
  4. Procédé selon la revendication 1 ou 2, caractérisé en ce que, pour la fabrication de l'ébauche de l'enveloppe (8) ainsi que pour sa mise en place sur l'ébauche du noyau (7) (étape b), la matière qui constituera ensuite l'enveloppe (1) est déposée sur la tige (4) de l'ébauche du noyau (7) dans un moule composite, par application par extrusion, scellage, application au pistolet, métallisation, application par frittage, application galvanique ou méthode similaire, jusqu'à obtenir la surdimension.
EP97100478A 1996-02-05 1997-01-14 Procédé de fabrication d'un projectile à noyau et à chemise Expired - Lifetime EP0787969B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19604061 1996-02-05
DE19604061A DE19604061C2 (de) 1996-02-05 1996-02-05 Geschoß

Publications (2)

Publication Number Publication Date
EP0787969A1 EP0787969A1 (fr) 1997-08-06
EP0787969B1 true EP0787969B1 (fr) 1999-05-26

Family

ID=7784517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100478A Expired - Lifetime EP0787969B1 (fr) 1996-02-05 1997-01-14 Procédé de fabrication d'un projectile à noyau et à chemise

Country Status (7)

Country Link
US (1) US5794320A (fr)
EP (1) EP0787969B1 (fr)
KR (1) KR970062648A (fr)
AT (1) ATE180564T1 (fr)
DE (2) DE19604061C2 (fr)
DK (1) DK0787969T3 (fr)
ES (1) ES2132976T3 (fr)

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RU2133006C1 (ru) * 1998-02-02 1999-07-10 Конструкторское бюро приборостроения Бронебойная пуля и способ ее изготовления
US6186072B1 (en) 1999-02-22 2001-02-13 Sandia Corporation Monolithic ballasted penetrator
RU2151369C1 (ru) * 1999-04-02 2000-06-20 Государственное унитарное предприятие "Конструкторское бюро приборостроения" Бронебойная пуля и способ изготовления бронебойных сердечников
US6363856B1 (en) 1999-06-08 2002-04-02 Roscoe R. Stoker, Jr. Projectile for a small arms cartridge and method for making same
US6279214B1 (en) * 1999-07-14 2001-08-28 Alliant Techsystems Inc. Moisture seal for composite sabot with depleted uranium penetrator
RU2158894C1 (ru) * 1999-07-15 2000-11-10 Центральный научно-исследовательский институт точного машиностроения Способ изготовления головной части стальных сердечников пуль
AU2002315295B2 (en) * 2001-04-19 2007-09-13 Ruag Ammotec Gmbh Bullet for infantry ammunition
DE10257590B4 (de) * 2002-12-09 2005-03-24 Wilhelm Brenneke Gmbh & Co. Kg Büchsengeschoss für Jagdzwecke
DE10305721A1 (de) * 2003-02-12 2004-09-02 Rheinmetall W & M Gmbh Verfahren zur Herstellung eines Mantelpenetrators
FR2865272A1 (fr) * 2004-01-20 2005-07-22 Serge Ladriere Dispositif pour projectile a energie embarquee
US20050183617A1 (en) * 2004-02-23 2005-08-25 Macdougall John Jacketed ammunition
US7451705B2 (en) * 2004-03-17 2008-11-18 Fry Grant R Non-discarding sabot projectile system
DE102004036148A1 (de) * 2004-07-24 2006-02-16 Ruag Ammotec Gmbh Hartkerngeschoss mit Penetrator
US8707868B2 (en) * 2006-11-30 2014-04-29 The United States Of America As Represented By The Secretary Of The Navy Pre-compressed penetrator element for projectile
RU2376099C1 (ru) * 2008-10-08 2009-12-20 Государственное образовательное учреждение высшего профессионального образования Тульский государственный университет (ТулГУ) Способ штамповки остроконечных головных частей стальных сердечников пуль
RU2380190C1 (ru) * 2008-10-08 2010-01-27 Государственное образовательное учреждение высшего профессионального образования Тульский государственный университет (ТулГУ) Способ изготовления стальных бронебойных сердечников и устройство для его осуществления
RU2398649C1 (ru) * 2009-05-22 2010-09-10 ЗАО "Барнаульский патронный завод" Способ изготовления сердечника бронебойного патрона
RU2423202C1 (ru) * 2009-10-27 2011-07-10 Государственное образовательное учреждение высшего профессионального образования "Тульский государственный университет" (ТулГУ) Способ изготовления остроконечной головной части стальных сердечников пуль
RU2413169C1 (ru) * 2009-12-21 2011-02-27 Государственное унитарное предприятие "Конструкторское бюро приборостроения" Легкая высокоскоростная пуля
US8028626B2 (en) * 2010-01-06 2011-10-04 Ervin Industries, Inc. Frangible, ceramic-metal composite objects and methods of making the same
CA2786331C (fr) 2010-01-06 2018-05-01 Ervin Industries, Inc. Objets composites ceramique-metal cassables et leurs procedes de fabrication
US8783187B2 (en) 2010-02-09 2014-07-22 Amick Family Revocable Living Trust Firearm projectiles and cartridges and methods of manufacturing the same
US8567297B2 (en) * 2010-09-21 2013-10-29 Adf, Llc Penetrator and method of manufacture same
USD813974S1 (en) 2015-11-06 2018-03-27 Vista Outdoor Operations Llc Cartridge with an enhanced ball round
US10551154B2 (en) 2017-01-20 2020-02-04 Vista Outdoor Operations Llc Rifle cartridge with improved bullet upset and separation
DE102017106526A1 (de) 2017-03-27 2018-10-11 Rheinmetall Waffe Munition Gmbh Geschoss, insbesondere im Mittelkaliberbereich
USD848569S1 (en) 2018-01-20 2019-05-14 Vista Outdoor Operations Llc Rifle cartridge
DE102022109315A1 (de) * 2022-04-14 2023-10-19 Ruag Ammotec Ag Beschichteter Geschosskörper
US12305964B2 (en) * 2022-07-07 2025-05-20 Gregory Victor Finsterbusch Alternate armor piercing bullet configuration
WO2026029656A1 (fr) 2024-08-02 2026-02-05 Baltic Bullets, Sia Balle perforante

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Also Published As

Publication number Publication date
DE19604061A1 (de) 1997-08-07
EP0787969A1 (fr) 1997-08-06
DK0787969T3 (da) 1999-11-08
ES2132976T3 (es) 1999-08-16
DE19604061C2 (de) 1998-07-23
US5794320A (en) 1998-08-18
ATE180564T1 (de) 1999-06-15
KR970062648A (ko) 1997-09-12
DE59700168D1 (de) 1999-07-01

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