EP1533590A1 - Explosivkörper mit verbesserter Stossfestigkeit - Google Patents

Explosivkörper mit verbesserter Stossfestigkeit Download PDF

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Publication number
EP1533590A1
EP1533590A1 EP04292486A EP04292486A EP1533590A1 EP 1533590 A1 EP1533590 A1 EP 1533590A1 EP 04292486 A EP04292486 A EP 04292486A EP 04292486 A EP04292486 A EP 04292486A EP 1533590 A1 EP1533590 A1 EP 1533590A1
Authority
EP
European Patent Office
Prior art keywords
shell
ring
explosive
envelope
washer
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
EP04292486A
Other languages
English (en)
French (fr)
Other versions
EP1533590B1 (de
Inventor
Dominique Dion
Sylvain Jayet
Régis Aumasson
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.)
Nexter Munitions SA
Original Assignee
Giat Industries 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 Giat Industries SA filed Critical Giat Industries SA
Priority to PL04292486T priority Critical patent/PL1533590T3/pl
Publication of EP1533590A1 publication Critical patent/EP1533590A1/de
Application granted granted Critical
Publication of EP1533590B1 publication Critical patent/EP1533590B1/de
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
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/02—Fuze bodies; Fuze housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
    • F42B30/08—Ordnance projectiles or missiles, e.g. shells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • F42B39/24—Shock-absorbing arrangements in packages, e.g. for shock waves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/04—Protective caps

Definitions

  • the technical field of the invention is that of shells explosives.
  • Explosive shells typically include a cargo cast explosive arranged in a metal casing.
  • the envelope has an opening for casting loading. This opening is also intended to receive a rocket allowing the initiation of loading.
  • the shells must be able to be used in important temperature ranges (between - 46 ° C and + 63 ° VS). These important variations induce dilations not negligible amount of explosive millimeters (2 to 5 mm). In addition, the shells are subject to severe mechanical environments (falls and vibrations).
  • Patent EP1338860 discloses a shell comprising a loading in composite explosive.
  • this shell includes a bag-shaped case made of a material elastic, holster that is interposed between the shell of the shell and loading.
  • a holding washer is applied to a surface of the explosive charge by the screwing a ring fixing the rocket.
  • the invention relates to an explosive shell comprising a mergeable explosive charge arranged in an envelope with an opening, shells comprising a means of wedging disposed in the vicinity of the opening of the shell, a wedging means comprising a ring made in one elastic material and which is interposed between a part before the shell of the shell and the explosive charge, ring which is compressed by compression means, shells characterized in that the wedging ring has a collar that fits into a throat of the envelope of the shell.
  • the means of compression comprises a connection piece screwed into the opening of the shell and which exerts a constraint of compression on the setting ring.
  • the compression means will advantageously comprise a washer interposed between the connecting piece and the timing ring.
  • the setting ring may have an axial bore cylindrical and an external profile matching the profile internal envelope.
  • the shell may include a priming tablet arranged in the cylindrical axial bore of the setting ring.
  • the setting ring will be made of a material elastomer.
  • an explosive shell 1 according to the invention comprises an explosive charge 2 mergeable and which is cast inside a metal shell 3.
  • the loading may contain trinitrotoluene wax and a complementary explosive such as Hexogen or Octogen. It may also include an explosive not very sensitive, such as oxynitrotriazole (ONTA).
  • ONTA oxynitrotriazole
  • the envelope 3 has a opening 4 which will have a tapping 5 for fixing subsequent firing rocket (not shown).
  • this shell comprises a means of blocking the explosive charge 2 which is disposed in the vicinity of the opening 4 of the shell.
  • This locking means comprises a ring 6 which is made in an elastic material and which is interposed between a front part 7 of the envelope 3 of the shell and the loading explosive 2.
  • This wedging ring is made of a material elastomer, chemically compatible with the explosive 2, and having a good resistance to aging. We will be able example to make the ring in a hardness silicone rubber 45 Shore.
  • Figure 2 shows the ring 6 alone. She presents a conical outer profile 6a which is intended to come to marry the internal profile 7 of the envelope 3. It also comprises a axial bore 6b cylindrical which allows the loading of the shell 1 by casting and after setting up the ring 6.
  • the wedging ring 6 finally has a collar cylindrical outer 6c which is intended to be housed in a 8 throat of the envelope 3 of the shell 1.
  • the flexibility of the material of the ring 6 allows its manual introduction, by elastic deformation, into the opening 4 of the shell 1 and before the casting of the load 2.
  • the flange 6c is introduced into the groove 8 and ensures the maintenance of the ring 6 relative to the shell 1 before the casting of the load 2.
  • the explosive charge is poured up to back to inside the axial bore 6b.
  • the ring 6 is interposed between the explosive 2 and the inner wall 7 of the envelope 3.
  • This washer 9 has an external diameter less than inner diameter of the opening 4 and has a flange 9a which is positioned in the axial bore 6b of the Ring.
  • the connecting piece 10 and the washer 9 constitute means for compressing the ring 6.
  • This means allows to exercise permanently and reversible a compressive stress on the ring of setting 6 throughout the entire temperature range of the shell (from -46 ° C to + 63 ° C).
  • the ring 6 transmits this explosive charge constraint 2 which is therefore also maintained.
  • This maintenance makes it possible to avoid the appearance of defects or cracks, especially during rough handling operations lowest temperatures.
  • the connecting piece 10 has an internal bore 11 which allows the fixation of a rocket (not shown).
  • the shell is here represented in its configuration of storage in which a transport ring 12 is screwed to the connecting piece 10 instead of the rocket.
  • the connecting piece 10 has a bottom 13 which isolates the explosive charge 2 from moisture. This background will be broken during the initiation of the rocket. he will have a circular initiation of rupture allowing the projection of part of the bottom on the explosive charge 2 to allow it to boot.
  • Figure 4 shows another embodiment of a shell according to the invention.
  • This mode differs from the previous one in that one tablet 14 is disposed in the cylindrical axial bore 6b of the timing ring 6.
  • This tablet is intended to come facilitate the priming of the explosive charge 2 from the rocket (not shown).
  • Such a tablet is conventional and its composition (which depends on the nature of the explosive charge) is not the subject of the present invention.
  • the priming tablet is glued to explosive charge.
  • the glue at the interface compressed / loaded causes poor transmission of the detonation. If the tablet is not stuck, there is a risk that elsewhere to move around when handling the shell and to deteriorate by crumbling.
  • the compression of the ring 6 by screwing the connecting piece 10 causes a radial expansion of the ring 6 which translates also by reducing the diameter of its bore 6b. More of the setting of the explosive charge 2, the ring 6 then ensures the firm maintenance of the priming tablet 14 in contact with the explosive charge 2.
  • This embodiment also makes it easier to demilitarization of shells at the end of their life. It is enough unscrew the connecting piece 10.
  • the timing ring 6 then releases the priming tablet 14 which can easily be removed.
  • the explosive charge 2 which has been implemented by casting is mergeable and it is then easily removed from the shell by heating.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Toys (AREA)
EP04292486A 2003-11-17 2004-10-20 Explosivkörper mit verbesserter Stossfestigkeit Active EP1533590B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04292486T PL1533590T3 (pl) 2003-11-17 2004-10-20 Pocisk burzący mający poprawioną odporność na wstrząsy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0313523 2003-11-17
FR0313523A FR2862378B1 (fr) 2003-11-17 2003-11-17 Obus explosif ayant une tenue aux chocs amelioree

Publications (2)

Publication Number Publication Date
EP1533590A1 true EP1533590A1 (de) 2005-05-25
EP1533590B1 EP1533590B1 (de) 2012-06-20

Family

ID=34430017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04292486A Active EP1533590B1 (de) 2003-11-17 2004-10-20 Explosivkörper mit verbesserter Stossfestigkeit

Country Status (10)

Country Link
US (1) US7174834B2 (de)
EP (1) EP1533590B1 (de)
AU (1) AU2004226912B8 (de)
CA (1) CA2484782C (de)
DK (1) DK1533590T3 (de)
ES (1) ES2389652T3 (de)
FR (1) FR2862378B1 (de)
NO (1) NO338258B1 (de)
PL (1) PL1533590T3 (de)
ZA (1) ZA200408928B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2924494A1 (fr) 2007-12-03 2009-06-05 Nexter Munitions Sa Procede de dechargement d'un corps de munition et outillage permettant la mise en oeuvre de ce procede
CN101592462B (zh) * 2009-07-02 2014-04-16 蒙宝林 工业粉状炸药药筒装药包装工艺及振动式装药机
EP3267143B1 (de) 2016-07-09 2019-03-06 Diehl Defence GmbH & Co. KG Geschoss
CN110030884A (zh) * 2019-04-08 2019-07-19 南京理工大学 一种分体式可快速连接的迫击炮弹及其组装方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9459080B2 (en) 2013-03-15 2016-10-04 Hunting Titan, Inc. Venting system for a jet cutter in the event of deflagration
KR101399149B1 (ko) * 2014-01-28 2014-05-27 최홍준 탄약보관통
KR101929667B1 (ko) * 2017-06-14 2018-12-14 (주)수아 둔감 성능이 향상된 고폭탄용 운반고리

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365556A (en) * 1980-10-06 1982-12-28 The United States Of America As Represented By The Secretary Of The Army Method and system for preventing base separation of cast explosives in projectiles
US4760795A (en) * 1985-10-22 1988-08-02 Royal Ordnance Plc Explosive projectiles
US4945834A (en) * 1985-10-22 1990-08-07 Royal Ordnance Plc Explosive projectiles
DE3929020A1 (de) * 1989-09-01 1991-03-21 Diehl Gmbh & Co Zuender fuer die sprengladung eines splittergeschosses
EP1338860A2 (de) * 2002-02-21 2003-08-27 Rheinmetall W & M GmbH Verfahren zur Herstellung eines grosskalibrigen Sprenggeschosses und Sprenggeschoss, hergestellt nach diesem Verfahren

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599570A (en) * 1969-08-28 1971-08-17 Thiokol Chemical Corp Ammunition antidefuzing device
US3978795A (en) * 1972-07-05 1976-09-07 Dynamit Nobel Aktiengesellschaft Retaining ring apparatus
CA1264123A (en) * 1981-12-08 1990-01-02 John Stuart Mcveagh Hollow charge and liner assemblage
US5133259A (en) * 1990-05-23 1992-07-28 Olin Corporation Seal ring for pyrotechnically initiated projectile
SE468687B (sv) * 1991-06-18 1993-03-01 Bofors Ab Saett och anordning foer avtaetning av spraengladdningsutrymmet i en granat
DE4123649C2 (de) * 1991-07-17 1993-11-11 Rheinmetall Gmbh Ausstoßvorrichtung
FR2682754B1 (fr) * 1991-10-22 1995-03-03 Giat Ind Sa Obus cargo.
SE501121C2 (sv) * 1992-01-29 1994-11-21 Bofors Ab Ammunition
DE19535218C1 (de) * 1995-09-22 1997-02-27 Diehl Gmbh & Co Ballistisches Geschoß
US7025000B1 (en) * 2002-04-11 2006-04-11 The United States Of America As Represented By The Secretary Of The Army Mechanism for reducing the vulnerability of high explosive loaded munitions to unplanned thermal stimuli

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365556A (en) * 1980-10-06 1982-12-28 The United States Of America As Represented By The Secretary Of The Army Method and system for preventing base separation of cast explosives in projectiles
US4760795A (en) * 1985-10-22 1988-08-02 Royal Ordnance Plc Explosive projectiles
US4945834A (en) * 1985-10-22 1990-08-07 Royal Ordnance Plc Explosive projectiles
DE3929020A1 (de) * 1989-09-01 1991-03-21 Diehl Gmbh & Co Zuender fuer die sprengladung eines splittergeschosses
EP1338860A2 (de) * 2002-02-21 2003-08-27 Rheinmetall W & M GmbH Verfahren zur Herstellung eines grosskalibrigen Sprenggeschosses und Sprenggeschoss, hergestellt nach diesem Verfahren

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2924494A1 (fr) 2007-12-03 2009-06-05 Nexter Munitions Sa Procede de dechargement d'un corps de munition et outillage permettant la mise en oeuvre de ce procede
CN101592462B (zh) * 2009-07-02 2014-04-16 蒙宝林 工业粉状炸药药筒装药包装工艺及振动式装药机
EP3267143B1 (de) 2016-07-09 2019-03-06 Diehl Defence GmbH & Co. KG Geschoss
CN110030884A (zh) * 2019-04-08 2019-07-19 南京理工大学 一种分体式可快速连接的迫击炮弹及其组装方法
CN110030884B (zh) * 2019-04-08 2021-08-03 南京理工大学 一种分体式可快速连接的迫击炮弹及其组装方法

Also Published As

Publication number Publication date
AU2004226912B2 (en) 2010-01-14
ES2389652T3 (es) 2012-10-30
PL1533590T3 (pl) 2012-11-30
EP1533590B1 (de) 2012-06-20
ZA200408928B (en) 2005-08-31
FR2862378B1 (fr) 2007-11-23
DK1533590T3 (da) 2012-07-23
US7174834B2 (en) 2007-02-13
NO338258B1 (no) 2016-08-08
AU2004226912B8 (en) 2010-05-06
US20050155512A1 (en) 2005-07-21
AU2004226912A1 (en) 2005-06-02
CA2484782C (fr) 2012-10-02
FR2862378A1 (fr) 2005-05-20
NO20044980L (no) 2005-05-18
CA2484782A1 (fr) 2005-05-17

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