EP3396302B1 - Corps de neutralisation - Google Patents

Corps de neutralisation Download PDF

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Publication number
EP3396302B1
EP3396302B1 EP18165794.1A EP18165794A EP3396302B1 EP 3396302 B1 EP3396302 B1 EP 3396302B1 EP 18165794 A EP18165794 A EP 18165794A EP 3396302 B1 EP3396302 B1 EP 3396302B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
kit
shell
neutralization
neutralization body
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
EP18165794.1A
Other languages
German (de)
English (en)
Other versions
EP3396302A1 (fr
Inventor
Tobias Werkmann
Michael Köpf
Thomas Merl
Björn SCHLUHE
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 EP3396302A1 publication Critical patent/EP3396302A1/fr
Application granted granted Critical
Publication of EP3396302B1 publication Critical patent/EP3396302B1/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
    • 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

Definitions

  • the invention relates to a kit for a neutralization body, also called an igniter, for removing mines, ammunition, pyrotechnic ammunition or objects.
  • the kit is suitable for the manufacture or creation of the neutralization body. The destruction of ammunition etc. is often carried out by initiating it. Cutting charges and shaped charges are generally used for this purpose.
  • Pyrotechnic munitions or openly accessible explosives are ignited in so-called EOD (Explosive Ordnance Disposal) igniters.
  • EOD Exposive Ordnance Disposal
  • pyrotechnic detonators are used to rupture the outer shell of a munition and ignite the explosives inside, allowing it to burn safely.
  • From the GB 2 312 864 A discloses an apparatus for cutting relatively hard and tough materials, such as metals, using a thermite composition.
  • a container containing this composition has a peripheral slot covered by a rupturable material.
  • the US 3,109,369A describes a device for disposal of coated explosives.
  • This includes a container for holding a thermite charge. At the bottom, a narrow opening is sealed with a cap that is destroyed when the charge ignites.
  • Such devices have little flexibility. The charge is ignited when used and burns off the tip. This can mean that a constant distance from ammunition, etc., is not maintained here, with the disadvantage that not all of the energy of the pyrotechnic charge is applied to the ammunition. As a consequence, the performance decreases with the burning time. There is also the problem of combating and eliminating ammunition that has a Bakelite or similar casing.
  • a neutralizing body which consists of two bodies which are set one inside the other and can be rotated in relation to one another. With this body, a lateral longitudinal slit or a selective exit in the floor can be set.
  • a thermite charge is preferred as the active mass, which burns particularly hot and with a high level of energy due to the additives.
  • Such neutralizing bodies have proven themselves in practice.
  • US4601761 describes a neutralizing body with a detachable bottom in which a nozzle is introduced.
  • the object of the invention is to provide a device which, during combustion, has a constant distance from the ammunition etc. which is to be destroyed.
  • the invention is based on the idea of using different covers as bases with different nozzle shapes on a neutralizing body in order to be able to serve different scenarios.
  • the geometry of the nozzle should be matched to the application or a desired burn-off.
  • the nozzle shape can still be selected on site, which can be matched to the object to be destroyed itself, for which purpose the cover or the base is designed to be exchangeable.
  • the nozzles are installed in an exchangeable base.
  • a nozzle for centering the power on a point is being considered.
  • point nozzle For example, a nozzle for centering the power on a point (point nozzle) is being considered.
  • thick ammunition cases etc. object
  • the ignition of the explosives in the cases and the burning over the entire burning time are ensured.
  • Another different nozzle or nozzle shape is used, for example, to generate a fanned jet.
  • the energy is introduced into the object in the form of a line.
  • This nozzle can be used, for example, to open ammunition casings with a lower casing thickness. The initiation of the combustion of the explosive takes place over a larger area.
  • a nozzle can also be dispensed with.
  • the neutralizing body can be open on one side.
  • the explosive is pressed into a container made of aluminum or the like, for example, which is surrounded by a steel container of the neutralization body.
  • the explosives can also be accommodated directly in the steel container, if necessary also here by being pressed in.
  • composition of the pyrotechnic charge is selected so that, on the one hand, a very high level of heat is generated to penetrate materials and ignite explosives. On the other hand, the set develops gases during combustion, which support the removal of the shell material.
  • sets with a metallic fuel and an oxidizing agent e.g. magnesium and potassium nitrate
  • an oxidizing agent e.g. magnesium and potassium nitrate
  • gas-forming components e.g. a mixture of iron oxide, magnesium, potassium nitrate and a binder
  • the charge itself preferably has an internal channel. Through this channel, the energy can be guided in a targeted manner to the area of the bottom (or top) exhaust opening (nozzle).
  • the bottom area and/or the lid area should be protected against the intense heat (temperature range ⁇ 2800°C) by a ceramic or clay insert or similar, so that no further, particularly unwanted, exhaust openings are created.
  • an anti-twist device should be integrated. These can be pins or nubs on the container on the bottom side, so that the body cannot be moved out of the desired position. Alternatively or additionally, eyelets for attaching lashing straps, straps, ropes, strings, belts, etc. to connect the lighter to the item (object) to be destroyed can be provided.
  • a neutralization body which consists of at least a cover with an ignition device, a shell, a pyrotechnic charge held in the shell and a base with a nozzle that can be detached from the shell.
  • Different trays have different nozzle shapes.
  • the shapes of the nozzle can be punctiform, fan-shaped, cross-shaped, square, elliptical, oval, etc.
  • the floor can be exchanged for a different floor. This allows a different cross section or a different geometric shape of the nozzle on the neutralization body to be attached.
  • kits or system for the neutralizing body therefore provides at least several floors with the various nozzles. These can be attached to the container of the neutralization body as intended. An exchange is planned.
  • a neutralizing body 1 with a cover 2, a cover 3 and a pyrotechnic charge 4 is shown in a sectional view.
  • the pyrotechnic charge 5 forms a channel 5 as can be seen.
  • This exchangeable base 2 can be fastened to the cover 3 .
  • the attachment can be made by screwing, clipping, etc.
  • a bayonet connection can also be sufficient.
  • a mixture that burns very hot and energetically should be selected as the active mass or pyrotechnic charge 4 .
  • the shell 3 of the neutralizing body 1 can be round, square, oval, elliptical, etc., with no restrictions being provided. The same applies to the shape of the replaceable bases 6, which should, however, be adapted to the geometric shape of the shell.
  • the interchangeable floors 6 can in turn have different geometric nozzle shapes.
  • Figures 2 and 3 only excerpts of two possible forms are shown. 2 shows a hole nozzle 7.1, 3 a fan nozzle 7.2.
  • the nozzles 7 are placed in the base 7 and form corresponding recesses (openings) in the respective base 6.
  • An electrical ignition device 8 or access for a pilot light ignition etc. (not shown in detail) is led out upwards from the cover 2 .
  • the pyrotechnic composition 4 burns from the inside out, ie from the duct 5 to the envelope 3. A resulting flame is blown down through the nozzle 7 (7.1, 7.2) out of the bottom 2 of the neutralization body 1. A constant distance from the object 9 to be destroyed is maintained.
  • a point nozzle 7.1 is used, for example, to center the power on a point. Different floors 6 with point nozzles 7.1 with different diameters can also be provided here.
  • a fan nozzle 7.2 can be used to generate a fanned jet.
  • several floors 6 with fan nozzles 7.2 of different lengths/cross sections of the slit of the fan nozzles 7.2 can belong to the kit.
  • a point nozzle 7.1 can, for example, be exchanged for a fan nozzle 7.2 and vice versa.
  • the bottom 6 is removed from the shell with the point nozzle 7.1 and a bottom 6 is attached to the shell 3 with a fan nozzle 7.2.
  • the geometry in the bases 6 can also be crosses, ellipses, squares, ovals, etc., with these bases 6 also being able to be attached to the neutralization body 1 in an interchangeable manner.
  • a bottom 6 can be dispensed with. This ensures that a high level of energy is provided in a targeted manner in order to damage the object 9, set it on fire or the like.
  • pins or nubs 10 are attached to the casing 3 at least on the bottom face side.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighters Containing Fuel (AREA)

Claims (6)

  1. Kit pour un corps de neutralisation (1), se composant d'un couvercle (2) avec un dispositif d'allumage (8),
    d'une enveloppe (3), d'une charge pyrotechnique (4) maintenue dans ladite enveloppe (3), et de divers fonds (6) qui peuvent être détachés de l'enveloppe (3) et comprennent chacun une buse (7, 7.1, 7.2),
    dans lequel la buse (7, 7.1, 7.2) est introduite dans le fond (6) échangeable respectif, et dans lequel les divers fonds (6) présentent des formes de buse (7, 7.1, 7.2) différentes.
  2. Kit pour un corps de neutralisation (1) selon la revendication 1, caractérisé en ce que les formes de la buse (7) sont en point (7.1), en éventail (7.2), cruciformes, carrées, elliptiques, ovales, etc.
  3. Kit pour un corps de neutralisation selon l'une quelconque des revendications 1 à 2, caractérisé en ce que la zone de fond et/ou la zone de couvercle peut/peuvent être protégée(s) contre la chaleur intense de la charge pyrotechnique (4) par un insert en céramique ou en argile ou similaire.
  4. Kit pour un corps de neutralisation selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un dispositif anti-rotation (10) est intégré.
  5. Kit pour un corps de neutralisation selon la revendication 4, caractérisé en ce que des pions ou projections (10) sont montés sur l'enveloppe (3), au moins sur la face avant inférieure, en tant que dispositif anti-rotation.
  6. Kit pour un corps de neutralisation selon l'une quelconque des revendications 1 à 5, caractérisé par des œillets sur l'enveloppe (3) pour la fixation de sangles d'arrimage, de courroies, de câbles, de cordes, de ceintures, etc.
EP18165794.1A 2017-04-25 2018-04-04 Corps de neutralisation Active EP3396302B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017108833.4A DE102017108833A1 (de) 2017-04-25 2017-04-25 Neutralisierungskörper

Publications (2)

Publication Number Publication Date
EP3396302A1 EP3396302A1 (fr) 2018-10-31
EP3396302B1 true EP3396302B1 (fr) 2022-07-13

Family

ID=61906714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18165794.1A Active EP3396302B1 (fr) 2017-04-25 2018-04-04 Corps de neutralisation

Country Status (2)

Country Link
EP (1) EP3396302B1 (fr)
DE (1) DE102017108833A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019111818A1 (de) * 2019-05-07 2020-11-12 Rheinmetall Waffe Munition Gmbh Neutralisierungskörper

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109369A (en) 1944-05-31 1963-11-05 Harold J Plumley Disposal of encased explosives
US4601761A (en) * 1985-06-17 1986-07-22 The United States Of America As Represented By The Secretary Of The Navy Nozzle for self-contained cutting torches
GB2312864A (en) 1996-05-09 1997-11-12 Secr Defence Thermite cutting device
US6484617B1 (en) * 1999-05-10 2002-11-26 Alliant Techsystems Inc. Assembly and process for controlled burning of landmine without detonation
AU2003213629A1 (en) * 2002-03-01 2003-09-16 Brisant Companies On-site land mine removal system
FR2904105B1 (fr) * 2006-07-21 2008-08-29 Tda Armements Sas Dispositif pyrotechnique de destruction de munitions
DE102009021820B4 (de) 2009-05-18 2014-01-16 Rheinmetall Waffe Munition Gmbh Vorrichtung und Verfahren zur Vernichtung von Munition oder dergleichen
WO2014037905A1 (fr) * 2012-09-07 2014-03-13 Kuhn Petrus Gerhardus Agencement de déflagration pour neutraliser des explosifs
US9175933B2 (en) * 2014-02-21 2015-11-03 The United States Of America, As Represented By The Secretary Of The Army Simple low-cost hand-held landmine neutralization device

Also Published As

Publication number Publication date
EP3396302A1 (fr) 2018-10-31
DE102017108833A1 (de) 2018-10-25

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