EP1484573A1 - Nicht tödliches Geschoss - Google Patents

Nicht tödliches Geschoss Download PDF

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Publication number
EP1484573A1
EP1484573A1 EP04013195A EP04013195A EP1484573A1 EP 1484573 A1 EP1484573 A1 EP 1484573A1 EP 04013195 A EP04013195 A EP 04013195A EP 04013195 A EP04013195 A EP 04013195A EP 1484573 A1 EP1484573 A1 EP 1484573A1
Authority
EP
European Patent Office
Prior art keywords
projectile
lethal
fuze
fiber matrix
payload
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Withdrawn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
EP04013195A
Other languages
English (en)
French (fr)
Inventor
Richard A. Fischer
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.)
United Defense LP
Original Assignee
United Defense LP
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 United Defense LP filed Critical United Defense LP
Publication of EP1484573A1 publication Critical patent/EP1484573A1/de
Withdrawn legal-status Critical Current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
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
    • 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
    • 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
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/46—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances
    • F42B12/50—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances by dispersion
    • 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
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies

Definitions

  • the present invention relates to non-lethal munitions and in particular to a non-lethal percussion projectile with a frangible casing so as to effectively deliver a percussion charge above a target area that upon detonation the projectile casing disintegrates into harmless fragments and the other projectile components either disintegrate as well or are directed away from the target area.
  • Non-lethal weapons include low kinetic energy projectiles such as rubber pellets, or skin irritants, odor bombs, electromagnetic pulses or even shock waves. While such non-lethal alternatives increase the effectiveness of the military force, such alternatives frequently involve the use of specialized equipment that creates an additional logistical burden and training requirement.
  • the projectile must be able to disintegrate on command when it reaches a target. Furthermore, the casing particles and interior components must have a non-lethal kinetic energy upon impact.
  • the present invention meets the aforementioned needs.
  • the present invention is a projectile comprising a non-lethal percussion payload, a frangible composite case, an air-bursting fuze, and at least one explosive.
  • the projectile design is adaptable to any medium or large caliber ammunition.
  • the fuze mechanism triggers a first explosive charge that causes a blast force to disintegrate the composite case into sufficiently small particles so that the particles rapidly decelerate to a non-lethal state.
  • the explosive charge may also create an overpressure wave to disorient or incapacitate personnel in the target area.
  • Other non-lethal payloads such as aerosols or rubber pellets, may be delivered by the projectile in addition to or in place of the percussion charge that creates the overpressure wave.
  • Preferred embodiments of the non-lethal percussion projectile are sized according to traditional artillery weapons systems thus alleviating the need for new launch mechanisms.
  • the projectile is designed to be fired or launched from presently installed gun weapon systems on naval and coast guard ships or land batteries.
  • the present invention may be constructed for use with a 5 inch, 76 mm, 57 mm, and 40 mm weapon.
  • the projectile can be launched and effects delivered at the range of the gun from which it is fired.
  • Detonation of at least one explosive contained in the projectile disintegrates the projectile's composite case into sufficiently small fragments or particles so that they rapidly loose velocity or decelerate to a non-lethal state.
  • the first detonation may trigger subsequent detonation of explosive layers or areas in the casing itself to increase the disintegration.
  • the present invention is well suited for non-warfare activities such as drug interdictions, port security, force protection, evacuation operations, and general self-protection.
  • the overpressure wave from the detonation of the explosive payload will disorient or incapacitate personnel in the general area of a target.
  • Other non-lethal effects that are deliverable within the projectile include crystalline or gelatine type skin irritants, rubber pellets, and malodorants
  • an external sabot can be fitted to the projectile.
  • the sabot protects the projectile during launch from gun barrel interfaces and gun launch forces.
  • the addition of the sabot will decrease the stress experienced by the projectile casing.
  • the sabot peels away from the projectile immediately after launch.
  • the composite case may then be made from a limited composite frame or an aerofoam type structure.
  • Operation of preferred embodiments of a non-lethal percussion projectile having a frangible composite case comprises launching the projectile; disintegrating the composite case into sufficiently small particles so that the particles rapidly decelerate to a non-lethal state; and delivering at least one non-lethal effect upon the target to disorient or incapacitate the target.
  • the fuze is also a prefragmented device so as not to produce lethal effects.
  • the fuze could be situated ahead of a fuze guide which would direct the fuze down range of the target area.
  • At least one explosive is contained within the composite case and detonated to disintegrate the composite case and create the overpressure wave and/or deliver other non-lethal effects.
  • the preferred embodiment relates to a non-lethal percussion projectile in accordance with the present invention.
  • the projectile can be fired or launched from presently installed medium to large artillery pieces. Additionally, it should be apparent to those skilled in the art that the projectile is adaptable to ground or air gun weapon systems as well and gun systems that may be developed in the future. Thus, the projectile can be launched and effects delivered at the range of the gun from which it is fired, for example, up to 5,000 meters for an MK 75 Mod 0 gun mount. The burst height or distance from the target at which the projectile is exploded controls the delivery of the effects contained therein.
  • the preferred embodiment of the percussion projectile 10 comprises a frangible composite case 20, an explosive payload 30, a fuze 40, and a non-lethal payload 50.
  • the composite case 20 is generally an elongated cylinder shape with a blunt tail 22 for bearing the stresses of a gun system firing, a conical front nose 24 for more aerodynamic flight, and a fuselage 26.
  • the nose 24 preferably houses the fuze 40, which contains a number of metal components.
  • the cylindrical fuselage 26 contains the explosive payload 30 within a cylindrical recess 28.
  • the composite case 20 is gun hardened to withstand gun weapon system firing.
  • the composite case 20 is preferably fabricated from a fiberglass or KevlarTM wrap, which is wound like thread and bonded together with a high temperature resin.
  • Changing fiber orientation, manipulating matrix formulations, and controlling the fiber volume fraction are examples of ways to geometrically control the specific structural properties of the composite casing.
  • the use of a unidirectional wrap or unidirectional fibers provides support and strength in the longitudinal direction of the projectile, yet with a tendency to split along the matrix rich areas between the fibers.
  • Matrix fillers can provide a more powder like nature to the resin during failure, hence decreasing the lethal nature of the explosion.
  • the case could be wound to include predetermined scoring (not shown) or striations on the inside or outside surface of the composite case 20 to further control the case's non-lethal disintegration.
  • the casing itself may contain secondary explosive layers or areas that will further enhance the disintegration of the casing.
  • the percussion projectile 10 of the present invention further includes a fuze 40 within the nose section 24.
  • the fuze 40 is preferably a prefragmented, programmable, proximity fuze (3P) for example as manufactured by Bofors Defense AB.
  • the fuze 40 will be programmable for optimized effect and tactical flexibility with air burst capability and immune to electronic counter measures (ECM). If programmed for air burst, the fuze 40 will travel beyond the target area due to its momentum so as not to cause lethal harm.
  • ECM electronic counter measures
  • a cone-shaped fuze barrier 42 may be installed immediately aft of the fuze 40 to drive the fuze 40 downrange following detonation of the payload 30.
  • the non-lethal payload 50 may be inserted in a pellet form within the composite case 20.
  • the non-lethal payload 50 may include rubber pellets for direct physical non-lethal contact.
  • the non-lethal payload 50 may be pelletized units of compounds intended to irritate the skin, eyes or nose.
  • the non-lethal payload 50 would be disposed within the composite case 20 during the manufacturing process.
  • the explosive payload 30 contains MIL-STD 2105B Insensitive Munition (IM) compliant explosive therein for delivering desired effects.
  • IM Insensitive Munition
  • the United States Navy requires that all explosives comply with MIL-STD 2105B Insensitive Munition standards. This is so that ammunition is less likely to detonate sympathetically in the event of an explosion or fire in a ship's magazine.
  • IM compliant explosives include, without limitation, plastic bonded explosive (PBX) PBXN-9 and PBX-114. Improvements are continuously being made, so preferably the projectile 10 utilizes the appropriate explosive(s) available at the time of manufacture.
  • the explosive payload 30 is sized to create a concussion or shock wave so as to stun the intended target personnel. For example, a non-lethal percussion projectile 10 for a 76mm Mk 75 gun would include 1.3 pounds of explosive.
  • the percussion projectile 10 includes an external sabot 60 to protect the composite case 20 from gun barrel interfaces and gun launch forces.
  • a sabot 60 allows the composite case to be lighter, so that preferably a limited composite frame over an aerofoam and/or plastic type structure is used.
  • the sabot 60 splits opens and is discarded, allowing the projectile 10 to continue to the target.
  • the sabot 60 includes at least one obturator 52, which keeps the gases from the propelling charge behind the projectile 10.
  • the composite case 20 utilizes the same air-bursting fuze as other embodiments.
  • the percussion projectile 10 is detonated near or over the target utilizing the air-bursting fuze 40.
  • the explosion from the detonation disintegrates the composite case 20 into sufficiently small fragments or particles so that they rapidly loose velocity or decelerate to a non-lethal state, i.e., the mass and velocity at which they might impact a being is unlikely to be lethal.
  • the explosion creates an overpressure wave to disorient or incapacitate targeted personnel.
  • the air-bursting fuze 40 can be set to detonate by illuminating the target with a laser operatively connected to a computer that is in turn operatively connected to the gun mount used to fire the projectile 10.
  • the laser provides data to the computer, and the computer calculates the range of the target and communicates this information to an inductive coil attached to the gun mount's muzzle.
  • the air-bursting fuze 40 is electronically adjusted or set for the projectile's anticipated flight path.
  • the projectile 10 is aimed to a point in space adjacent to or above a target so that the fuze 40 continues traveling forward along the projectile's flight path after detonation so as minimize harm.
  • the projectile is a delivery device for any existing or future desired type of non-lethal effects.
  • the composite case 20 has cavities 48 prefabricated into the fuselage 26, wherein the non-lethal effects 50 are contained during gun system firing and flight of the projectile. By positioning the cavities 28 in the fuselage 26, the non-lethal effects will travel outwardly from the projectile's line of flight when the projectile 10 is exploded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP04013195A 2003-06-04 2004-06-03 Nicht tödliches Geschoss Withdrawn EP1484573A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47570503P 2003-06-04 2003-06-04
US475705P 2003-06-04

Publications (1)

Publication Number Publication Date
EP1484573A1 true EP1484573A1 (de) 2004-12-08

Family

ID=33159888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04013195A Withdrawn EP1484573A1 (de) 2003-06-04 2004-06-03 Nicht tödliches Geschoss

Country Status (3)

Country Link
EP (1) EP1484573A1 (de)
JP (1) JP2004361077A (de)
NO (1) NO20042296L (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008147290A1 (en) * 2007-05-29 2008-12-04 Totalförsvarets Forskningsinstitut Warhead
EP2138802A1 (de) 2008-08-15 2009-12-30 Saab AB Lancierbare Einheit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3847412A4 (de) * 2018-09-07 2022-06-15 NL Enterprises, LLC Nicht-tödliche geschosskonstruktion und abschussvorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR711463A (fr) * 1930-05-22 1931-09-10 Projectile
US3439619A (en) * 1966-07-16 1969-04-22 Diehl Practice ammunition
DE2923877A1 (de) * 1979-06-13 1980-12-18 Rheinmetall Gmbh Geschosshuelle
FR2488390A1 (fr) * 1980-08-07 1982-02-12 Serat Perfectionnements aux enveloppes de corps de projectile charge en explosif par emploi de structures creuses realisees par enroulement filamentaire
US6145441A (en) * 1998-04-02 2000-11-14 The United States Of America As Represented By The Secretary Of The Navy Frangible payload-dispensing projectile
US6374741B1 (en) * 2000-03-03 2002-04-23 New Mexico Tech Research Foundation Non-lethal projectile to be launched from a launcher

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR711463A (fr) * 1930-05-22 1931-09-10 Projectile
US3439619A (en) * 1966-07-16 1969-04-22 Diehl Practice ammunition
DE2923877A1 (de) * 1979-06-13 1980-12-18 Rheinmetall Gmbh Geschosshuelle
FR2488390A1 (fr) * 1980-08-07 1982-02-12 Serat Perfectionnements aux enveloppes de corps de projectile charge en explosif par emploi de structures creuses realisees par enroulement filamentaire
US6145441A (en) * 1998-04-02 2000-11-14 The United States Of America As Represented By The Secretary Of The Navy Frangible payload-dispensing projectile
US6374741B1 (en) * 2000-03-03 2002-04-23 New Mexico Tech Research Foundation Non-lethal projectile to be launched from a launcher

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008147290A1 (en) * 2007-05-29 2008-12-04 Totalförsvarets Forskningsinstitut Warhead
US8434412B2 (en) 2008-06-26 2013-05-07 Saab Ab Launchable unit
EP2138802A1 (de) 2008-08-15 2009-12-30 Saab AB Lancierbare Einheit
NO339459B1 (no) * 2008-08-15 2016-12-12 Saab Ab Utskytingsbar enhet

Also Published As

Publication number Publication date
JP2004361077A (ja) 2004-12-24
NO20042296L (no) 2004-12-06

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