EP2153160B1 - Patronenmünition, insbesondere übungsmünition - Google Patents

Patronenmünition, insbesondere übungsmünition Download PDF

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Publication number
EP2153160B1
EP2153160B1 EP08734317A EP08734317A EP2153160B1 EP 2153160 B1 EP2153160 B1 EP 2153160B1 EP 08734317 A EP08734317 A EP 08734317A EP 08734317 A EP08734317 A EP 08734317A EP 2153160 B1 EP2153160 B1 EP 2153160B1
Authority
EP
European Patent Office
Prior art keywords
propellant
pyrotechnic
ignition
inert
projectile
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.)
Not-in-force
Application number
EP08734317A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2153160A1 (de
Inventor
Thorsten LÜBBERS
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
Priority to PL08734317T priority Critical patent/PL2153160T3/pl
Publication of EP2153160A1 publication Critical patent/EP2153160A1/de
Application granted granted Critical
Publication of EP2153160B1 publication Critical patent/EP2153160B1/de
Not-in-force 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
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/16—Cartridges, i.e. cases with charge and missile characterised by composition or physical dimensions or form of propellant charge, with or without projectile, or powder
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B23/00—Compositions characterised by non-explosive or non-thermic constituents

Definitions

  • the invention relates to a cartridge ammunition, in particular a training ammunition, with a cartridge case and a shell inserted into this and mechanically connected to the cartridge case.
  • a drive chamber is provided which receives a propellant charge, the z. B. pyrotechnic with the help of a primer is flammable. After lighting the propellant gases of the propellant charge act on the bottom of the projectile, so that after releasing the mechanical connection between the cartridge case and projectile this is expelled from the cartridge case.
  • Such a patronized training ammunition is in the U.S. Patent 5,936,189 described.
  • This cartridge ammunition is used in conjunction with medium-caliber rapid-fire weapons of about 40 mm.
  • a plurality of such cartridges are received in a belt, which is then fed to a rapid-fire weapon.
  • the drive chamber in the cartridge case is divided into a high-pressure chamber in which the propellant is received, and in a low-pressure chamber which communicates with the high pressure chamber Overflow is in communication.
  • Cartridge sleeve and projectile are mechanically connected by a central screw, which is designed as a predetermined breaking point.
  • Such cartridge ammunition is used in high volumes and must be stored both safely and safely transported from the manufacturer to a user. Storage and transport usually take place in larger containers, eg. B. Tin boxes that receive a variety of such cartridges.
  • Such a melting material is z.
  • Such molten metals are about alloys of bismuth and tin, with possibly other metals, such as lead, etc., are added.
  • passage or passages are designed to withstand the high pressures within the drive chamber during the normal firing of projectiles from the cartridge case.
  • the invention has for its object to form a cartridge ammunition of the type in question from cartridge case and projectile so that an explosion-like separation of the two components in the case of a strong warming of the cartridge ammunition in the range of the lowest autoignition temperature of the pyrotechnic sets of ammunition or more In addition, so usually the autoignition temperature of the primer or the propellant charge is avoided.
  • the cartridge ammunition should not be changed in their geometry or additionally processed.
  • an inert fusible substance is introduced or mixed into the propellant whose melting temperature is lower than the ignition temperature of the propellant charge and / or the Ignition device is and melts at an external temperature increase in the direction of the ignition temperature of the propellant charge and / or the pyrotechnic charge of the ignition device and the components of the pyrotechnic sets phlegmatinstrument so far that ignition of the pyrotechnic charges is reliably prevented.
  • the phlegmatization according to the invention is just chosen so that ignition of the pyrotechnic sets is reliably prevented.
  • the inert substance is incorporated into the propellant charge and is present for example in the form of small balls, grains or flakes, which are mixed into the loose propellant charge powder.
  • This substance should melt at a temperature below the auto-ignition temperature of the pyrotechnic composition with the lowest ignition temperature. Upon melting of this substance, the particles of the propellant charge are wetted by the inert material, so that the propellant charge is phlegmatized or inactivated. Should then ignite the ignition anyway, the propellant does not react or only to a small extent. In any case, not so high a pressure is developed in the propulsion chamber below the floor of the bullet that the cartridge case and projectile separate from each other with high energy.
  • a wax preferably paraffin, which melts at about 140 ° C to 180 ° C is suitable.
  • the inert, meltable substance can also be accommodated in an open, in particular tubular, container projecting into the propellant chamber, in which, for example, a flare is accommodated, as is known from the abovementioned prior art.
  • the inert substance either replaces the flare or fills in at least part of the flare.
  • a fine-grained or feinpulvriges molten metal may be used, which is mixed into the powdery propellant charge.
  • Such Melt metal is, for example, a metal alloy of bismuth and tin, although other metals, such as lead, may still be present.
  • a cartridge ammunition is provided, which is structurally unmodified compared to a conventional cartridge ammunition according to the above prior art. Only the propellant charge is changed. This achieves a conceivably simple production method for a safe cartridge ammunition.
  • a cartridge ammunition 1 shown in the figure consists of a projectile 2 and a cartridge case 3.
  • the cartridge case 3 has a drive chamber 4, in which a propellant charge 5 is arranged from a pyrotechnic set.
  • the wall of the drive chamber 4 is provided with overflow openings 6, which open into a low pressure chamber 7, which is located below the floor 8.
  • the drive chamber 4 is provided with a central threaded connector 9, which engages in a central thread 10 in the floor 8. With the floor 8 can still be a tubular flare 11 connected, which emerges from the threaded connector 9 in the drive chamber 4.
  • the cartridge ammunition 1 has a caliber of z. B. 40 mm and is used in the lock of a gun tube, not shown here, from which the projectile 2 is shot down with a twist, to which the bullet has an here indicated only guide or twist band 12.
  • the propellant charge 5 is pyrotechnic ignited by a primer 13, which is inserted centrally into the bottom of the cartridge case 3.
  • the propellant charge 5 In the granular loose bed of the propellant charge 5 are small particles, such as balls, grains or flakes of interten substance 14, in this case admixed with a paraffin, wherein the amount of admixture is such that at a proper launching the ammunition ammunition burned the propellant charge 5 is substantially not hindered.
  • the ambient temperature of the cartridge ammunition above the autoignition temperature of the ignition device which is about 180 to 220 ° rise, melt the individual particles 14 of the inert material in the propellant charge 5 so that it is at least phlegmatized or even inactivated. Even with an ignition of the primer 13 then the propellant charge 5 would not ignite explosively.
  • inert material instead of a wax, in this case paraffin, metal alloys of bismuth and tin with any additives can also be used for the inert material, which also have a very low melting point in the range of about 140 ° C and in a similar manner wetting and thus phlegmatization of Cause propellant charge in case of fire.
  • this inert substance can also be taken up in the tubular flare 11, as indicated by the reference numeral 14 '.
  • small pyrotechnic set of primer 13 could be mixed with such an inert material, indicated by 14 ".

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pens And Brushes (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
EP08734317A 2007-06-04 2008-02-25 Patronenmünition, insbesondere übungsmünition Not-in-force EP2153160B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08734317T PL2153160T3 (pl) 2007-06-04 2008-02-25 Amunicja działowa scalona, zwłaszcza amunicja ćwiczebna

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007025981A DE102007025981A1 (de) 2007-06-04 2007-06-04 Patronenmunition, insbesondere Übungsmunition
PCT/DE2008/000336 WO2008148365A1 (de) 2007-06-04 2008-02-25 Patronenmünition,insbesondere übungsmünition

Publications (2)

Publication Number Publication Date
EP2153160A1 EP2153160A1 (de) 2010-02-17
EP2153160B1 true EP2153160B1 (de) 2012-04-04

Family

ID=39691327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08734317A Not-in-force EP2153160B1 (de) 2007-06-04 2008-02-25 Patronenmünition, insbesondere übungsmünition

Country Status (12)

Country Link
US (1) US8042472B2 (pl)
EP (1) EP2153160B1 (pl)
JP (1) JP5328779B2 (pl)
AT (1) ATE552473T1 (pl)
AU (1) AU2008258443B2 (pl)
CA (1) CA2689991C (pl)
DE (1) DE102007025981A1 (pl)
ES (1) ES2384197T3 (pl)
IL (1) IL202490A0 (pl)
PL (1) PL2153160T3 (pl)
WO (1) WO2008148365A1 (pl)
ZA (1) ZA200908732B (pl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9964387B2 (en) * 2009-08-19 2018-05-08 Orbital Atk, Inc. Insensitive munitions swaged vent plug
SG178038A1 (en) 2009-09-03 2012-03-29 Kms Consulting Llc Pressure-relief system for gun fired cannon cartridges
DE102009048365B3 (de) * 2009-10-06 2010-10-07 Rheinmetall Waffe Munition Gmbh Patronierte Munition mit einer Berstvorrichtung als Verbindung zwischen Geschoss und Antrieb
US8997774B2 (en) * 2011-05-13 2015-04-07 Stojan Kotefski Pressure discharge valve
RU2498973C2 (ru) * 2012-01-18 2013-11-20 Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") Заряд для газовых и холостых 5,6 мм патронов кольцевого воспламенения
US9021961B1 (en) * 2012-03-20 2015-05-05 The United States Of America As Represented By The Secretary Of The Army Enhanced stability extended range (guidance adaptable) 40 mm projectile
US9062943B2 (en) * 2012-03-27 2015-06-23 Dmd Systems, Llc Spooling pyrotechnic device
DE102012017031A1 (de) 2012-08-28 2014-03-06 Rheinmetall Waffe Munition Gmbh lrritationswurfkörper
WO2014197079A1 (en) * 2013-03-15 2014-12-11 Nemec William Joseph Advanced modular ammunition cartridges and systems
WO2014203215A1 (en) * 2013-06-20 2014-12-24 Atlantis Manufacturing Management Services Proprietary Limited A grenade round
DE102014015674A1 (de) * 2013-10-25 2015-04-30 Ruag Ammotec Gmbh Patrone
DE102017110871A1 (de) * 2017-05-18 2018-11-22 Rheinmetall Waffe Munition Gmbh Antriebssystem für Patronenmunition
DE102018206548A1 (de) 2018-04-27 2019-10-31 Robert Bosch Gmbh Verfahren zur Detektion von Beschädigungen und/oder Verunreinigungen auf einem transparenten Abdeckmaterial eines optoelektronischen Sensors, System, optoelektronischer Sensor und Fortbewegungsmittel

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB348657A (en) * 1929-11-11 1931-05-11 David Hodge Improvements in or relating to heating compositions for blasting cartridges
DE3507643A1 (de) 1985-03-05 1986-09-11 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau Patronierte munition
NO178024C (no) 1993-12-01 1996-01-10 Dyno Industrier As Flegmatisert eksplosiv
US5959235A (en) * 1995-02-16 1999-09-28 Royal Ordnance Public Limited Company Fire mitigation device
DE19527621A1 (de) * 1995-07-28 1997-01-30 Nico Pyrotechnik Patronierte Munition
EP1241152B1 (de) 2001-03-13 2010-10-06 Nitrochemie Wimmis AG Temperaturunabhängiges Treibladungspulver
FR2827376B1 (fr) * 2001-07-13 2003-12-05 Poudres & Explosifs Ste Nale Allumeur de securite pour element de munition pyrotechnique susceptible d'etre soumis a un echauffement lent
US7033449B2 (en) * 2003-03-10 2006-04-25 Alliant Techsystems Inc. Additive for composition B and composition B replacements that mitigates slow cook-off violence
JP4818583B2 (ja) * 2003-11-07 2011-11-16 日本工機株式会社 鈍感な高威力非火薬破砕薬剤
WO2005098348A1 (de) 2004-04-08 2005-10-20 Nico Pyrotechnik Hanns-Jürgen Diederichs Gmbh & Co. Kg Patronenmunition, insbesondere mit mittlerem kaliber
DE102004020838B3 (de) 2004-04-08 2005-06-23 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG Patronenmunition, insbesondere mit mittlerem Kaliber
US7886667B1 (en) * 2008-10-15 2011-02-15 The United States Of America As Represented By The Secretary Of The Army More safe insensitive munition for producing a controlled fragmentation pattern

Also Published As

Publication number Publication date
JP5328779B2 (ja) 2013-10-30
JP2010529401A (ja) 2010-08-26
US20100288152A1 (en) 2010-11-18
AU2008258443B2 (en) 2014-05-15
IL202490A0 (en) 2010-06-30
ZA200908732B (en) 2010-10-27
PL2153160T3 (pl) 2012-09-28
WO2008148365A1 (de) 2008-12-11
ES2384197T3 (es) 2012-07-02
CA2689991C (en) 2015-06-23
US8042472B2 (en) 2011-10-25
AU2008258443A1 (en) 2008-12-11
DE102007025981A1 (de) 2008-12-11
CA2689991A1 (en) 2008-12-11
EP2153160A1 (de) 2010-02-17
ATE552473T1 (de) 2012-04-15

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