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EP0169585A1 - Prefectionnements aux obus préfragmentés - Google Patents

Prefectionnements aux obus préfragmentés Download PDF

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Publication number
EP0169585A1
EP0169585A1 EP85200722A EP85200722A EP0169585A1 EP 0169585 A1 EP0169585 A1 EP 0169585A1 EP 85200722 A EP85200722 A EP 85200722A EP 85200722 A EP85200722 A EP 85200722A EP 0169585 A1 EP0169585 A1 EP 0169585A1
Authority
EP
European Patent Office
Prior art keywords
thread
chamber
fragments
ring
improvements according
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.)
Withdrawn
Application number
EP85200722A
Other languages
German (de)
English (en)
French (fr)
Inventor
André Joseph Gabriels
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.)
FN Herstal SA
Herstal SA
Original Assignee
FN Herstal SA
Herstal SA
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 FN Herstal SA, Herstal SA filed Critical FN Herstal SA
Publication of EP0169585A1 publication Critical patent/EP0169585A1/fr
Withdrawn legal-status Critical Current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
    • F42B12/20—Projectiles, 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
    • F42B12/22—Projectiles, 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 with fragmentation-hull construction
    • F42B12/32—Projectiles, 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 with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive charge

Definitions

  • the invention relates to improvements to pre-fragmented explosive shells generally equipped with a proximity rocket, more particularly to shells of the type used against air vehicles, in particular planes, helicopters, missiles, etc.
  • the bodies of known existing shells are composed of a first hollow cylindrical part, here called part A, which carries on one side the forcing belt, which at the other end is provided with an internal thread on which the rocket is screwed and the hollow part of which contains the explosive material.
  • said second part B is subdivided into two rings, one of which carries the internal thread and the other, trapped between the latter and said first part A, forms the hollow wall.
  • the invention relates to a shell of the type whose hollow wall of the body can be filled with preformed fragments of steel or other material of high density and the construction of which is such that it allows a maximum of these fragments to be accommodated therein.
  • the invention is also to be found in the fact that the installation of said fragments is extremely easy and simple.
  • Another object of the invention is to be able to pose fragments having shapes other than spherical or quasi-spherical shapes, used in known shells of the same type.
  • Another object of the invention is the ease of machining of the various parts constituting the shell, especially when passing to rockets having reduced dimensions.
  • said balls are included in a resin whose shape corresponds to the shape of said chamber.
  • the shell as shown in Figure 1 is substantially constituted by a rocket, a shell body 1 which is composed of several parts and an explosive charge.
  • the shell body 1 is constituted by a hollow cylindrical part 2 carrying a forcing belt 3, a connecting ring 4 and, between said hollow cylindrical part 2 and the ring 4, a quantity of preformed fragments, for example, balls 5 made of hard metal trapped in an annular chamber 6 provided for this purpose in the hollow cylindrical part 2.
  • the thread 7 is located at the front of the chamber 6 while, according to FIGS. 3, 4 and 5, this thread 7 is located at the rear of said chamber 6.
  • Figures 4, 5 and 6 differ mainly from Figures 1 and 3 in that either the part 2 or the ring 4, is subdivided into two parts.
  • the fragments 5 can be incorporated in a resin 8 before mounting in the shell body 1.
  • the ring 9 (fig.7), prepared in this way consists of fragments 5 and, of resin 8 in such a way that it can be easily introduced into chamber 6.
  • the resin 8 can be provided with a flammable and / or pyrophoric material.
  • Another characteristic of the invention is that the configurations presented allow the use of rings or segments of pre-fragmented rings of hard metal or other material which can be introduced into chamber 6.
  • the chamber 6 can be filled, either with one of the means described above, or any combination of these means.
  • the shell according to the invention is provided with an O-ring 10 and a rod 11 forming electrical contact between the elements 2 and 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP85200722A 1984-07-17 1985-05-09 Prefectionnements aux obus préfragmentés Withdrawn EP0169585A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2/60461A BE900173A (fr) 1984-07-17 1984-07-17 Perfectionnements aux obus prefragmentes.
BE2060461 1984-07-17

Publications (1)

Publication Number Publication Date
EP0169585A1 true EP0169585A1 (fr) 1986-01-29

Family

ID=3865701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85200722A Withdrawn EP0169585A1 (fr) 1984-07-17 1985-05-09 Prefectionnements aux obus préfragmentés

Country Status (3)

Country Link
EP (1) EP0169585A1 (es)
BE (1) BE900173A (es)
ES (1) ES8701374A1 (es)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2768808A1 (fr) * 1997-09-24 1999-03-26 Diehl Stiftung & Co Projectile
WO2019112502A1 (en) * 2017-12-05 2019-06-13 Bae Systems Bofors Ab Warhead
SE2000234A1 (en) * 2020-12-14 2022-06-15 Saab Ab A fragmentation warhead a method of manufacturing of a fragmentation warhead
DE102016007976B4 (de) 2015-06-17 2024-06-06 Bae Systems Bofors Ab Vorfragmentierung eines Sprengkopfes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR472581A (es) * 1914-08-07 1900-01-01
FR2037318A5 (es) * 1969-01-20 1970-12-31 Bofors Ab
FR2425048A1 (fr) * 1978-05-05 1979-11-30 Amado Laguna De Rins Sa Perfectionnements apportes a des projectiles antiaeriens et projectiles ainsi obtenus
GB2036934A (en) * 1978-11-23 1980-07-02 France Armed Forces Armour - penetrating projectile
EP0015597A1 (fr) * 1979-02-28 1980-09-17 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Obus explosif préfragmenté

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR472581A (es) * 1914-08-07 1900-01-01
FR2037318A5 (es) * 1969-01-20 1970-12-31 Bofors Ab
FR2425048A1 (fr) * 1978-05-05 1979-11-30 Amado Laguna De Rins Sa Perfectionnements apportes a des projectiles antiaeriens et projectiles ainsi obtenus
GB2036934A (en) * 1978-11-23 1980-07-02 France Armed Forces Armour - penetrating projectile
EP0015597A1 (fr) * 1979-02-28 1980-09-17 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Obus explosif préfragmenté

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2768808A1 (fr) * 1997-09-24 1999-03-26 Diehl Stiftung & Co Projectile
GB2329696A (en) * 1997-09-24 1999-03-31 Diehl Stiftung & Co Projectile
GB2329696B (en) * 1997-09-24 1999-08-11 Diehl Stiftung & Co Projectile
DE102016007976B4 (de) 2015-06-17 2024-06-06 Bae Systems Bofors Ab Vorfragmentierung eines Sprengkopfes
WO2019112502A1 (en) * 2017-12-05 2019-06-13 Bae Systems Bofors Ab Warhead
SE2000234A1 (en) * 2020-12-14 2022-06-15 Saab Ab A fragmentation warhead a method of manufacturing of a fragmentation warhead
SE546480C2 (en) * 2020-12-14 2024-11-12 Saab Ab A fragmentation warhead and a method of manufacturing of a fragmentation warhead

Also Published As

Publication number Publication date
ES545095A0 (es) 1986-11-16
ES8701374A1 (es) 1986-11-16
BE900173A (fr) 1985-01-17

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT CH DE FR GB IT LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19860117

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GABRIELS, ANDRE, JOSEPH