EP0581668A1 - Gegenstand zum unschädlich machen von Explosivladungen, insbesondere von improvisierten Explosivladungen mit einer harten Hülle - Google Patents

Gegenstand zum unschädlich machen von Explosivladungen, insbesondere von improvisierten Explosivladungen mit einer harten Hülle Download PDF

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Publication number
EP0581668A1
EP0581668A1 EP93401945A EP93401945A EP0581668A1 EP 0581668 A1 EP0581668 A1 EP 0581668A1 EP 93401945 A EP93401945 A EP 93401945A EP 93401945 A EP93401945 A EP 93401945A EP 0581668 A1 EP0581668 A1 EP 0581668A1
Authority
EP
European Patent Office
Prior art keywords
explosive
container
liquid
devices
cover
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
EP93401945A
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English (en)
French (fr)
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EP0581668B1 (de
Inventor
François Jaouen
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.)
Direction General pour lArmement DGA
Etat Francais
Original Assignee
Direction General pour lArmement DGA
Etat Francais
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Publication date
Application filed by Direction General pour lArmement DGA, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of EP0581668A1 publication Critical patent/EP0581668A1/de
Application granted granted Critical
Publication of EP0581668B1 publication Critical patent/EP0581668B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0003—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid
    • F41B9/0031—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised at the moment of ejection
    • F41B9/0043—Pressurisation by explosive pressure
    • F41B9/0046—Disruptors, i.e. for neutralising explosive devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/08—Blasting cartridges, i.e. case and explosive with cavities in the charge, e.g. hollow-charge blasting cartridges
    • 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
    • F42B33/062—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs by high-pressure water jet means

Definitions

  • the technical sector of the present invention is that of devices for neutralizing explosive devices more particularly applied to improvised explosive devices or trapped packages placed in a resistant capacity.
  • Such cannons essentially comprise a metal tube of generally cylindrical shape containing the water to be sprayed, closed at one of its ends provided with a firing system, the other end being provided with an axial convergent.
  • Such water cannons are the subject, for example, of patents EP 178,039 and EP 198,728.
  • Patent FR 2,661,490 describes a water cannon comprising in particular various extensions coming to be fixed between the end of the tube and the convergent in order to modulate the length of the tube and the quantity of water projected according to the desired exit speed.
  • All these water cannons operate by deflagration of a certain quantity of powder placed in a cartridge causing the projection of a jet of water at a speed of the order of a few hundred meters per second.
  • the object of the present invention is to remedy the drawbacks mentioned above by proposing a device for neutralizing explosive devices, in particular improvised explosive devices placed in a capacity with a resistant structure, capable of generating a jet of water sufficiently powerful to perforate the rigid wall of the container and consequently destroy the explosive device contained therein, before it has been able to function.
  • the residual energy level of the projected water is such that it does not cause the initiation of conventional secondary explosives used in the manufacture of improvised explosive devices.
  • the present invention also aims to facilitate interventions to neutralize and destroy explosive devices or booby traps located in tight spaces difficult to access for existing intervention systems of the water cannon type, for example.
  • Another object of the invention is to position the neutralization device near the explosive device with maximum safety for the operator, by means of an autonomous routing means controlled remotely.
  • the subject of the invention is a device for neutralizing explosive devices, in particular improvised explosive devices with a resistant envelope, of the type comprising means for initiating an explosive charge projecting a liquid towards the device, device characterized in that it consists of a compact body having an opening closed by a cover, the body made of a rigid synthetic material contains the explosive charge and a container for the liquid, the container being placed at the level of the opening of the body and in contact with the load.
  • the body of the device is made of a thermoplastic material of the hard expanded polystyrene type.
  • the explosive charge consists of an explosive sheet of the plastic type based on penthrite covering at least partially the external wall of the container.
  • the container made of plastic material has a semicircular section and is closed by the flat surface cover and a silicone seal.
  • the plastic container having a cylindrical side wall is closed at the opening of the body by the conical cover and a silicone seal.
  • the ignition means comprise a pyrotechnic relay placed in contact with the explosive charge and an electric detonator positioned in a housing formed in the body of the device.
  • the device comprises an insert embedded in the body, allowing the device to be secured with a support of the tripod type.
  • the device comprises at least one insert enclosing an axis making it possible to fix the body to a stirrup by at least one screw, the body of the device being free to rotate relative to the stirrup made of polycarbonate comprising a through hole used to fix the device on the end of the telescopic arm of a remote controlled autonomous conveying means.
  • the container is opened towards the front by removing the cover, the container being filled at the time of the intervention, with the ambient liquid.
  • This very reliable device has the advantage of being very compact, which facilitates manual or remote interventions in tight spaces.
  • Another advantage lies in the constitution of the expanded polystyrene body and the polycarbonate stirrup which does not generate a shine when the device is ignited.
  • this device has a very high efficiency in the face of thick and resistant capacities, thanks to its mode of operation by detonation causing the propagation of a shock wave at a speed of the order of 7 to 8000 m / s generating a jet of water projected onto the objective at a speed of the order of a thousand meters per second.
  • the shape of the water jet is optimized by the shape of the container lid.
  • an explosive device neutralization device consisting in particular of a compact body 3 made of hard expanded polystyrene in the form of a short short solid cylinder having a opening 4.
  • the external section of the body is not limited to the octagonal shape shown in Figure 1, it can be circular, regular polygonal or any shape.
  • the opening 4 is closed by a cover 6, of flat surface and of small thickness made of plastic, which constitutes the front face of the device.
  • the body 3 of the device has an axial housing 11 of cylindrical shape in which is positioned an electric detonator 17 associated with a cylindrical pyrotechnic relay 10 placed in contact with the explosive charge 1.
  • An insert 12 embedded in the body at the center of one of its lateral surfaces makes it possible to fix the device on a tripod (not shown) of known type. During a manual intervention, this robust, stable tripod with a large height adjustment range ensures good positioning of the device relative to the objective to be neutralized.
  • This stirrup 14 has in the middle of its transverse part a hole 16 in which is fixed by any known means, for example screw, the end 19 of the telescopic arm of an autonomous remote controlled routing means (not shown) of the type small remote-controlled robot.
  • the original placement of the retaining pin 18 and the stirrup 14 relative to the center of gravity of the body makes it possible to keep the device in a horizontal position, front face directed towards the objective, during the duration of transport by the robot and that of ignition of the device.
  • Figure 3 is an alternative embodiment of the previous device according to another characteristic of the invention.
  • the device shown here comprises a body 3 of shape substantially identical to that described above, it is also made of hard expanded polystyrene. However, the dimensions of the device may be different, without departing from the scope of the present invention.
  • the pyrotechnic relay may possibly be eliminated by the use of an explosive charge of different composition.
  • the main originality of the second embodiment lies essentially in the shape of the container 8 and especially in that of the cover 9.
  • the container 8 made of rigid plastic material has a substantially cylindrical shape, closed at the rear by a bottom and at the front by a cover 9 of conical shape and of small thickness made of plastic material associated with a seal 7 silicone placed between the lid and the container.
  • the explosive sheet 1 completely covers the external walls of the container 8, including the bottom.
  • this variant can be used manually on a tripod or remotely by remote-controlled robot.
  • FIG. 4 is a particular association by superposition of two neutralization devices produced according to any one of the two variants described above.
  • the association of two or more devices can be achieved by means of two connecting bars 20.
  • Each polycarbonate bar pierced with several holes is fixed by means of wood screws to the body 3 of each device.
  • the upper device can be connected to the end 19 of the telescopic arm of the robot via the stirrup 14 during a remote intervention.
  • the operation of the device is as follows.
  • the user will choose the most appropriate device made according to one or other of the variations described above and possibly the combination of two or more devices if necessary.
  • the front face of the device is placed approximately 2 to 3 centimeters from the external wall of the container.
  • the electric detonator 17 is connected by an electric cable of sufficient length to a current source of known type, exploder, car battery for example.
  • the detonator 17 When ignited, the detonator 17 initiates the explosive charge 1 possibly via the pyrotechnic relay 10, forming a detonation wave propelling and focusing the water 2 contained in the container 5 or 8.
  • the energy acquired allows the liquid to form a jet capable of passing through the wall of the objective and neutralizing its content.
  • a simplified device comprising in particular the container 5 or 8 not closed by the cover 6 or 9. From preferably, the container has a semi-circular section 5.
  • the device As soon as the device is introduced into the water, it fills the container.
  • the device is routed, positioned and fixed everywhere known means near the submerged explosive device to be neutralized.
  • the operation of the submerged device remains identical to that described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Catching Or Destruction (AREA)
  • Disintegrating Or Milling (AREA)
  • Press Drives And Press Lines (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Ladders (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Toys (AREA)
  • Earth Drilling (AREA)
EP93401945A 1992-07-29 1993-07-27 Gegenstand zum unschädlich machen von Explosivladungen, insbesondere von improvisierten Explosivladungen mit einer harten Hülle Expired - Lifetime EP0581668B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9209350 1992-07-29
FR929209350A FR2694391B1 (fr) 1992-07-29 1992-07-29 Dispositif de neutralisation d'engins explosifs, notamment d'engins explosifs improvisés à enveloppe résistante.

Publications (2)

Publication Number Publication Date
EP0581668A1 true EP0581668A1 (de) 1994-02-02
EP0581668B1 EP0581668B1 (de) 1997-01-02

Family

ID=9432382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401945A Expired - Lifetime EP0581668B1 (de) 1992-07-29 1993-07-27 Gegenstand zum unschädlich machen von Explosivladungen, insbesondere von improvisierten Explosivladungen mit einer harten Hülle

Country Status (6)

Country Link
EP (1) EP0581668B1 (de)
AT (1) ATE147156T1 (de)
DE (1) DE69307043T2 (de)
ES (1) ES2096882T3 (de)
FR (1) FR2694391B1 (de)
GR (1) GR3022923T3 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304177A (en) * 1995-08-04 1997-03-12 Christopher Alford Sidney Apparatus for the disruption of improvised explosive ordnance
US5979290A (en) * 1998-07-20 1999-11-09 Simeone; Salvatore Mine clearing device
EP0940647A3 (de) * 1998-03-04 2000-11-29 DaimlerChrysler Aerospace AG Hohlladung
US6269725B1 (en) * 1999-08-02 2001-08-07 Sandia Corporation Fluid-filled bomb-disrupting apparatus and method
US6484617B1 (en) 1999-05-10 2002-11-26 Alliant Techsystems Inc. Assembly and process for controlled burning of landmine without detonation
EP1267140A3 (de) * 2001-06-11 2003-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur nicht-detonativen Beseitigung von detonationsfähigen Objekten und Verwendung einer solchen Vorrichtung
DE102006014977B4 (de) * 2006-03-31 2008-06-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur nicht detonativen Zerstörung von detonationsfähigen Objekten und Verwendung einer solchen Vorrichtung
AU2009201728B2 (en) * 2002-11-28 2012-02-16 Method Of Entry Technologies Pty Ltd Improved Linear Shaped Charge System
US8146503B2 (en) 2002-11-28 2012-04-03 Rapid Entry Pty Limited Linear shaped charge system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733712B1 (fr) * 1995-05-04 1997-06-20 France Etat Dispositif pyrotechnique pour le decoupage d'une paroi resistante
RU2154255C2 (ru) * 1995-08-10 2000-08-10 Внедренческая фирма "Центр перспективных исследований" Устройство для разрушения взрывоопасных предметов
FR2777648B1 (fr) 1996-09-05 2001-11-16 France Etat Dispositif de neutralisation d'engins explosifs
US7331268B1 (en) 2004-06-02 2008-02-19 The United States Of America As Represented By The Secretary Of The Navy Explosive neutralization method and device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117518A (en) * 1947-04-15 1964-01-14 Louis F Porter Apparatus for cutting encased explosives
US3188955A (en) * 1961-03-31 1965-06-15 Western Co Of North America Explosive charge assemblies
US3695141A (en) * 1970-11-06 1972-10-03 Us Navy Explosive ordnance demolition weapon
US3759182A (en) * 1967-10-19 1973-09-18 T Suhonen Hollow charge having a directed explosive effect
US3960082A (en) * 1974-01-29 1976-06-01 Fedor Ignatievich Sloevsky Down-the-hole device for breaking rock, concrete and reinforced concrete by pulsewize high liquid pressure
US4259906A (en) * 1979-01-12 1981-04-07 The United States Of America As Represented By The Secretary Of The Army Shape charge agent disposing process
US4372213A (en) * 1979-04-09 1983-02-08 The United States Of America As Represented By The Secretary Of The Navy Molten metal-liquid explosive method
DE3631249A1 (de) * 1986-09-13 1988-03-24 Dynamit Nobel Ag Patrone
US4955939A (en) * 1983-03-02 1990-09-11 The United States Of America As Represented By The Secretary Of The Navy Shaped charge with explosively driven liquid follow through
EP0559960B1 (de) * 1992-03-12 1995-03-29 Daimler-Benz Aerospace Aktiengesellschaft Hohlladung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2102563A5 (en) * 1970-08-07 1972-04-07 Alsetex Non fragmenting grenade - with expanded polystyrene envelope
CH627266A5 (en) * 1978-02-20 1981-12-31 Semperit Ag Practice hand grenade

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117518A (en) * 1947-04-15 1964-01-14 Louis F Porter Apparatus for cutting encased explosives
US3188955A (en) * 1961-03-31 1965-06-15 Western Co Of North America Explosive charge assemblies
US3759182A (en) * 1967-10-19 1973-09-18 T Suhonen Hollow charge having a directed explosive effect
US3695141A (en) * 1970-11-06 1972-10-03 Us Navy Explosive ordnance demolition weapon
US3960082A (en) * 1974-01-29 1976-06-01 Fedor Ignatievich Sloevsky Down-the-hole device for breaking rock, concrete and reinforced concrete by pulsewize high liquid pressure
US4259906A (en) * 1979-01-12 1981-04-07 The United States Of America As Represented By The Secretary Of The Army Shape charge agent disposing process
US4372213A (en) * 1979-04-09 1983-02-08 The United States Of America As Represented By The Secretary Of The Navy Molten metal-liquid explosive method
US4955939A (en) * 1983-03-02 1990-09-11 The United States Of America As Represented By The Secretary Of The Navy Shaped charge with explosively driven liquid follow through
DE3631249A1 (de) * 1986-09-13 1988-03-24 Dynamit Nobel Ag Patrone
EP0559960B1 (de) * 1992-03-12 1995-03-29 Daimler-Benz Aerospace Aktiengesellschaft Hohlladung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304177A (en) * 1995-08-04 1997-03-12 Christopher Alford Sidney Apparatus for the disruption of improvised explosive ordnance
GB2304177B (en) * 1995-08-04 1999-04-07 Christopher Alford Sidney Apparatus for the disruption of improvised explosive ordnance
EP0940647A3 (de) * 1998-03-04 2000-11-29 DaimlerChrysler Aerospace AG Hohlladung
US5979290A (en) * 1998-07-20 1999-11-09 Simeone; Salvatore Mine clearing device
US6484617B1 (en) 1999-05-10 2002-11-26 Alliant Techsystems Inc. Assembly and process for controlled burning of landmine without detonation
US6269725B1 (en) * 1999-08-02 2001-08-07 Sandia Corporation Fluid-filled bomb-disrupting apparatus and method
EP1267140A3 (de) * 2001-06-11 2003-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur nicht-detonativen Beseitigung von detonationsfähigen Objekten und Verwendung einer solchen Vorrichtung
AU2009201728B2 (en) * 2002-11-28 2012-02-16 Method Of Entry Technologies Pty Ltd Improved Linear Shaped Charge System
US8146503B2 (en) 2002-11-28 2012-04-03 Rapid Entry Pty Limited Linear shaped charge system
DE102006014977B4 (de) * 2006-03-31 2008-06-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur nicht detonativen Zerstörung von detonationsfähigen Objekten und Verwendung einer solchen Vorrichtung

Also Published As

Publication number Publication date
FR2694391B1 (fr) 1994-09-16
ATE147156T1 (de) 1997-01-15
EP0581668B1 (de) 1997-01-02
FR2694391A1 (fr) 1994-02-04
GR3022923T3 (en) 1997-06-30
ES2096882T3 (es) 1997-03-16
DE69307043D1 (de) 1997-02-13
DE69307043T2 (de) 1997-04-17

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