EP2044386A1 - Dispositif pyrotechnique de destruction de munitions - Google Patents
Dispositif pyrotechnique de destruction de munitionsInfo
- Publication number
- EP2044386A1 EP2044386A1 EP07787778A EP07787778A EP2044386A1 EP 2044386 A1 EP2044386 A1 EP 2044386A1 EP 07787778 A EP07787778 A EP 07787778A EP 07787778 A EP07787778 A EP 07787778A EP 2044386 A1 EP2044386 A1 EP 2044386A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cords
- explosive
- munition
- pyrotechnic device
- walls
- 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
Links
- 239000002360 explosive Substances 0.000 claims abstract description 49
- 238000005474 detonation Methods 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000000977 initiatory effect Effects 0.000 claims description 27
- 230000037452 priming Effects 0.000 claims description 14
- 238000004880 explosion Methods 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 30
- 239000000126 substance Substances 0.000 abstract description 25
- 238000000034 method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 235000017899 Spathodea campanulata Nutrition 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 231100000042 hematotoxic Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000189 neurotoxic Toxicity 0.000 description 1
- 230000002887 neurotoxic effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
- F42B33/067—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs by combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
Definitions
- the invention relates to a pyrotechnic device for the controlled destruction of ammunition or objects containing pyrotechnic and / or chemical substances.
- a chemical munition usually has a munition body (or envelope) having metal walls.
- the inside of the ammunition body contains one or more chemical products and a burst pyrotechnic charge whose role is to open its body and spread the chemicals in the atmosphere.
- the toxic chemical agents of some ammunition are among those known as "combat gas" and their action is irritating, suffocating, vesicant, hemotoxic or neurotoxic.
- the ammunition can be in good condition or, more or less damaged according to their age of manufacture and their storage conditions. We seek to destroy these munitions in the best safety conditions for personnel and materials involved in the destruction and with the greatest efficiency of destruction of the chemicals contained in the ammunition. Ammunition can be destroyed by various mechanical, chemical, thermal, pyrotechnic, or other processes.
- the explosive may be in different forms, be they solid, liquid, pasty, pulverulent or granular.
- the explosive In this ammunition destruction procedure, the explosive is brought into contact with the munition and initiated (or initiated into detonation) at one point of the explosive.
- the state-of-the-art ammunition destruction devices except for the cut-off cords, need the reaction of the pyrotechnic and / or chemical substances internal to the munition or the object to be destroyed in order to allow a significant opening of the munitions. their body or their envelope. They have limited effectiveness in the destruction of non-explosive chemicals, except for plastic loaves and explosives surrounding the munition.
- the current destruction processes generate more or less intense environmental effects (shocks, blast, pollution, heat and splinters), depending on the architecture and the explosive of the donor charge, and the reaction of the munition. or the object to be destroyed.
- the destruction device claimed in this patent, makes it possible to overcome the various disadvantages of the most commonly used destruction methods.
- the invention proposes a pyrotechnic device for destroying ammunition with an explosive at least partially surrounding the munition comprising confinement walls of active products, characterized in that it comprises controlled ignition means for the explosive, these means being configured to produce a detonation wave coupling of the explosive at the walls of the munition in at least two opening lines of said walls of the munition.
- Active products are pyrotechnic, chemical or other substances that may be contained in the munition.
- the controlled ignition means comprise at least two pyrotechnic initiation strings of the explosive, each of the strands comprising a start-start end Ed and an end-of-initiation end Ef, the start-start ends. cords being connected by at least one firing means.
- An initiation of the initiation cords causes a propagation of the initiation of the cords from their start of initiation end to their other end end of priming with a predetermined propagation speed.
- the controlled priming means comprise two strings of priming, in contact or near the explosive to initiate the explosion, on either side of the axis XX 'of the munition and aligned along an opening line of the walls of the ammunition.
- the controlled priming means comprise two pairs P1, P2 of boot cords.
- the firing means comprise, for example, an initiation detonator of the initiation cords by their start initiation ends Ed to cause the controlled detonation of the explosive according to the opening lines of the ammunition.
- a main objective of the destruction device according to the invention consists in obtaining a controlled opening of the walls of the munition, or objects, without counting on the reaction of the internal substances of the munition. Another objective is the control of the fragmentation of the body of the munition and thus reduce the effects of splinters emitted on the external environment to the destruction device.
- Another objective is the destruction of the pyrotechnic and / or chemical substances of the munition.
- destruction of the ammunition we will hear in the device according to the invention the destruction of containers and contents: that is to say in particular the opening of the envelopes of the ammunition, the destruction of the pyrotechnic bursting charge, the destruction the chemical agent load.
- FIG. 1a and 1b show an embodiment of an ammunition destruction device according to the invention
- FIG. 2 shows an enlarged view along AA 'of FIG. 1b showing the coupling of pressure waves
- FIG. 3 shows, after explosion, the wall of the munition of Figure 1 b open in four portions;
- FIGS. 4a and 4b show an alternative embodiment of the device for destroying an ammunition, according to the invention
- FIG. 5 shows a variant of the embodiment of FIG. 4b
- FIG. 6 shows a more economical variant of the embodiment of Figure 5.
- FIGS 1a and 1b show an embodiment of an ammunition destruction device according to the invention.
- FIG. 1a shows a bottom view along AA 'of the device of FIG. 1b comprising a chemical munition 10 to be destroyed and FIG. 1b a sectional view along BB' of the device of FIG. 1a.
- the chemical munition 10 comprises, in this example, a cylindrical metal wall 12 containing a chemical product 14 and a burst pyrotechnic charge 16.
- the destruction device of FIGS. 1a and 1b is of cylindrical shape along an axis of revolution XX 'and comprises: - a cylindrical container 30 having internal walls 32 delimiting a volume comprising a donor (explosive) charge 36, the explosive 36 being between the inner walls 32 of the container 30 and the munition to be destroyed 10;
- the initiation cords C1 1, C12, C21, C22 each have a starting start end Ed and an end end of initiation Ef and are configured in the device so that the cords C1 1, C21 of the pair P1 and that the cords C12, C22 of the P2 pair are separated by a predetermined angular distance ⁇ .
- the angular distance ⁇ between the cords of the two pairs P1, P2 and the thickness Ep of explosive 36 are predetermined so as to obtain localized overpressures by detonation wave coupling of the explosive at the walls 12 of the ammunition strong enough to break said wall.
- the cords C1 1, C12, C21, C22 are in this embodiment substantially parallel to the generatrix of the cylindrical inner walls 32 of the cylindrical container 30.
- the cylindrical container 30 further comprises an initiation detonator 40 connected to the start initiation ends Ed of the initiation cords C1 1, C12, C21, C22.
- the initiation detonator 40 (see FIG. 1 b) is fired producing simultaneous initiation at a time t at the four ignition cords C1 1, C12, C21, C22.
- the initiation of the cords by its respective start initiation ends Ed propagates to the ends of end of initiation Ef with a propagation speed related to the characteristics of the cords.
- the initiation of the cords produces the detonation of the explosive 36 propagating along lines of propagation corresponding to the lines of the cords parallel to the axis XX 'of the ammunition.
- FIG. 2 shows an enlarged view along AA 'of FIG. 1b showing the coupling of the pressure waves Op of the detonation at the wall 12 of the munition, in a plane Pam perpendicular to the axis of propagation of the explosion.
- the simultaneous detonation of the explosive at the level of the four initiation cords C1 1, C12, C21, C22 in the plane Pam perpendicular to the axis of propagation of the detonation produces wave encounters of the Mach wave type converging in zones M1, M2, then convergent wave encounters in areas M3 and M4 of the walls 12 of the munition.
- Convergence in the zones M1, M2, M3, M4 of the munition wall of the detonation waves of the explosive generate localized overpressures which propagate along the wall 12 of the munition, a start zone priming to an area of end of priming the explosive, according to the lines of the cords, causing the rupture and thus the opening of the wall of the munition along these 4 lines of propagation.
- FIG. 3 shows, after explosion, the wall 12 of the munition of FIG. 1b opened in four portions PM, Pr2, Pr3 and Pr4 whose edges correspond to the four lines of breaks created by the explosion controlled by the cords.
- the explosion produces, in addition, according to another important feature of the invention, the destruction of the chemical and pyrotechnic products contained in the munition.
- the explosive may be based on aluminum producing during its detonation a fireball of long duration whose role is the destruction of chemicals in particular contained in the munition which is opened by the controlled explosion.
- the thickness Ep of the explosive explosive type water-in-oil emulsion is of the order of 20 millimeters.
- the cylindrical container is PVC or cardboard.
- the initiation velocity of the priming cords is of the order of 7000 m / s and that of the explosive is of the order of 5500 m / s.
- the angle ⁇ between the cords C1 1 and C22 and between the cords C12 and C21 is between 35 ° and 45 °.
- FIGS. 4a and 4b show an alternative embodiment of the device for destroying a munition 50 according to the invention comprising a container 51 of parallelepipedal shape.
- the munition 50 comprises a cylindrical metal wall 52 along the axis XX 'comprising a chemical product 54.
- the container 51 is a box of rectangular section, for example made of wood, cardboard or plastic ( or any low fragment generating material), comprising an explosive 56 surrounding the munition to be destroyed and filling the box.
- the device comprises the two strings C11 and C12 for priming the explosive 56 on either side of the munition 50 in a plane D1 passing through the axis XX 'and near two opposite inner walls 60, 62 of the box.
- the overpressure waves occur in zones M5, M6 along lines of the wall 52 of the munition 50 in a plane P1 perpendicular to the plane D1 of the ignition cords C11, C12.
- FIG. 5 shows a variant of the embodiment of FIG. 4a, having a starting device comprising the two pairs P1, P2 of cords (embodiment of FIG. 1b).
- FIG. 6 shows a more economical variant of the embodiment of FIG. 5 comprising the two pairs P1, P2 of ignition cords.
- an explosive 70 partially fills the box 51 partially surrounding the munition.
- the ignition cords of the explosive surrounding the munition to open can follow lines of different non-rectilinear shapes. For example lines wrapping around the wall of the munition, from one end to the other of the ammunition, so as to obtain a helically shaped opening.
- the pyrotechnic device according to the invention allows the destruction of a very wide spectrum of ammunition or objects containing pyrotechnic and / or chemical substances by its ability to:
- the pyrotechnic destruction device makes it possible to control the fragmentation of the body of the munition or of the envelope of the object to be destroyed and consequently the effects of the fragments emitted on the external environment.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Air Bags (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0606696A FR2904105B1 (fr) | 2006-07-21 | 2006-07-21 | Dispositif pyrotechnique de destruction de munitions |
PCT/EP2007/057529 WO2008009745A1 (fr) | 2006-07-21 | 2007-07-20 | Dispositif pyrotechnique de destruction de munitions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2044386A1 true EP2044386A1 (fr) | 2009-04-08 |
EP2044386B1 EP2044386B1 (fr) | 2010-04-21 |
Family
ID=38005090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07787778A Expired - Fee Related EP2044386B1 (fr) | 2006-07-21 | 2007-07-20 | Dispositif pyrotechnique de destruction de munitions |
Country Status (6)
Country | Link |
---|---|
US (1) | US8387503B2 (fr) |
EP (1) | EP2044386B1 (fr) |
JP (1) | JP5584924B2 (fr) |
DE (1) | DE602007006020D1 (fr) |
FR (1) | FR2904105B1 (fr) |
WO (1) | WO2008009745A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102062567A (zh) * | 2010-10-30 | 2011-05-18 | 山西北方惠丰机电有限公司 | 一种拆卸雷管部件的辅助装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5131933B2 (ja) * | 2009-03-31 | 2013-01-30 | 独立行政法人産業技術総合研究所 | 爆破処理方法および爆破処理装置 |
JP5095659B2 (ja) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | 爆破処理方法および爆破処理装置 |
JP5095661B2 (ja) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | 爆破処理方法および爆破処理装置 |
JP5095657B2 (ja) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | 爆破処理方法及び爆破処理装置 |
JP5095658B2 (ja) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | 爆破処理方法及び爆破処理装置 |
JP5095660B2 (ja) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | 爆破処理方法および爆破処理装置 |
JP5095656B2 (ja) * | 2009-03-31 | 2012-12-12 | 株式会社神戸製鋼所 | 爆破処理方法および爆破処理装置 |
CN101825418B (zh) * | 2010-04-29 | 2013-02-20 | 中国石油化工集团公司 | 废旧雷管安全销毁装置 |
JP5291073B2 (ja) * | 2010-10-13 | 2013-09-18 | 株式会社神戸製鋼所 | 爆破処理方法および爆破処理装置 |
JP5781450B2 (ja) * | 2012-02-06 | 2015-09-24 | 株式会社神戸製鋼所 | 爆破処理方法 |
CN105953672A (zh) * | 2016-06-23 | 2016-09-21 | 北京普凡防护科技有限公司 | 一种抽屉式防爆箱 |
DE102017108833A1 (de) * | 2017-04-25 | 2018-10-25 | Rheinmetall Waffe Munition Gmbh | Neutralisierungskörper |
US11592274B2 (en) | 2017-06-28 | 2023-02-28 | Dynasafe US LLC | Device and process for the destruction of chemical warfare agents |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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US3800715A (en) * | 1971-09-30 | 1974-04-02 | W Boller | Bomb recovery and shield apparatus |
US4055247A (en) * | 1976-10-22 | 1977-10-25 | The United States Of America As Represented By The United States Energy Research And Development Administration | Explosion containment device |
US6334395B1 (en) * | 1995-11-17 | 2002-01-01 | The Ensign-Bickford Company | Methods, apparatus, and systems for accelerated bioremediation of explosives |
US5613453A (en) * | 1995-12-29 | 1997-03-25 | Donovan; John L. | Method and apparatus for containing and suppressing explosive detonations |
US6232519B1 (en) * | 1997-11-24 | 2001-05-15 | Science Applications International Corporation | Method and apparatus for mine and unexploded ordnance neutralization |
FR2775770B1 (fr) * | 1998-03-06 | 2000-07-28 | Commissariat Energie Atomique | Obus explosif, canon de projection de l'obus et procede de destruction d'un objet predetermine |
US6269725B1 (en) * | 1999-08-02 | 2001-08-07 | Sandia Corporation | Fluid-filled bomb-disrupting apparatus and method |
US6220166B1 (en) * | 1999-08-02 | 2001-04-24 | Sandia Corporation | Apparatus and method for producing fragment-free openings |
GB0103300D0 (en) * | 2001-02-09 | 2001-03-28 | Holland Steven | Blast attention litter bin |
US7036418B2 (en) * | 2001-06-28 | 2006-05-02 | Sri International | Container for explosive device |
US6647851B2 (en) * | 2002-01-11 | 2003-11-18 | Demil International, Inc. | Method for suppressing ejection of fragments and shrapnel during destruction of shrapnel munitions |
US20070103639A1 (en) * | 2003-07-11 | 2007-05-10 | Koninklijke Philips Electronics N.V. | Method of manufacturing a mould for producing an optical surface, a method of producing a contact lens and a device for use with these methods |
US8316752B2 (en) * | 2003-07-31 | 2012-11-27 | Blastgard Technologies, Inc. | Acoustic shock wave attenuating assembly |
JP2005233459A (ja) * | 2004-02-17 | 2005-09-02 | Asahi Kasei Chemicals Corp | 兵器の爆破処理方法 |
US20070119851A1 (en) * | 2004-03-02 | 2007-05-31 | Peter James | Bomb bin |
JP4005046B2 (ja) * | 2004-03-31 | 2007-11-07 | 独立行政法人産業技術総合研究所 | 化学弾薬の爆破処理方法 |
US20070209500A1 (en) * | 2006-03-13 | 2007-09-13 | System Planning Corporation | Method and apparatus for disarming an explosive device |
US7954433B1 (en) * | 2008-07-24 | 2011-06-07 | Matt Bradley Barnett | Explosive shaped charge device |
-
2006
- 2006-07-21 FR FR0606696A patent/FR2904105B1/fr not_active Expired - Fee Related
-
2007
- 2007-07-20 US US12/374,662 patent/US8387503B2/en not_active Expired - Fee Related
- 2007-07-20 EP EP07787778A patent/EP2044386B1/fr not_active Expired - Fee Related
- 2007-07-20 DE DE602007006020T patent/DE602007006020D1/de active Active
- 2007-07-20 WO PCT/EP2007/057529 patent/WO2008009745A1/fr active Application Filing
- 2007-07-20 JP JP2009519992A patent/JP5584924B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2008009745A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102062567A (zh) * | 2010-10-30 | 2011-05-18 | 山西北方惠丰机电有限公司 | 一种拆卸雷管部件的辅助装置 |
CN102062567B (zh) * | 2010-10-30 | 2013-09-04 | 山西北方惠丰机电有限公司 | 一种拆卸雷管部件的辅助装置 |
Also Published As
Publication number | Publication date |
---|---|
DE602007006020D1 (de) | 2010-06-02 |
EP2044386B1 (fr) | 2010-04-21 |
JP2009544924A (ja) | 2009-12-17 |
JP5584924B2 (ja) | 2014-09-10 |
WO2008009745A1 (fr) | 2008-01-24 |
FR2904105A1 (fr) | 2008-01-25 |
FR2904105B1 (fr) | 2008-08-29 |
US20090308235A1 (en) | 2009-12-17 |
US8387503B2 (en) | 2013-03-05 |
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