EP0215042B1 - Patronierte munition - Google Patents

Patronierte munition Download PDF

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Publication number
EP0215042B1
EP0215042B1 EP86901398A EP86901398A EP0215042B1 EP 0215042 B1 EP0215042 B1 EP 0215042B1 EP 86901398 A EP86901398 A EP 86901398A EP 86901398 A EP86901398 A EP 86901398A EP 0215042 B1 EP0215042 B1 EP 0215042B1
Authority
EP
European Patent Office
Prior art keywords
case
ammunition
cup
projectile
fact
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.)
Expired
Application number
EP86901398A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0215042A1 (de
Inventor
Willi 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.)
Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Original Assignee
Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
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 Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG filed Critical Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Priority to AT86901398T priority Critical patent/ATE45035T1/de
Publication of EP0215042A1 publication Critical patent/EP0215042A1/de
Application granted granted Critical
Publication of EP0215042B1 publication Critical patent/EP0215042B1/de
Expired 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
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow 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
    • F42B12/48—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 smoke-producing, e.g. infrared clouds
    • 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
    • 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
    • F42B5/067—Mounting or locking missiles in cartridge cases

Definitions

  • the invention relates to a cartridge ammunition according to the preamble of claim 1.
  • a cartridge ammunition for a grenade pistol is known from DE-A-3 149 430.
  • the known ammunition has a cartridge or sleeve made of metal, for example aluminum, with which the grenade body or the projectile is crimped.
  • Primer charge and propellant charge are arranged in a cup-shaped propellant charge cartridge that is screwed into the bottom of the sleeve. After the propellant charge has been ignited, radially arranged outlet openings allow the propellant charge gases to spread into the interior of the case and to apply propellant charge pressure to the rear of the storey.
  • the cartridge is preferably made of plastic in the case of cartridge-trained practice ammunition and, since crimping is not possible, it must be connected to the projectile body, which is generally made of metal, by means of an adhesive connection.
  • Adhesive bonds have the disadvantage that, despite careful coordination and monitoring of all production parameters, even within one and the same lot, different pull-out forces are observed, which are also temperature and aging dependent. Since a significantly lower propellant charge is used in practice ammunition than in combat ammunition, when the propellant gases escape from the propellant charge cartridge or the propellant charge cup into the large-volume interior of the propellant charge sleeve, the propellant charge gas pressure has a particularly disadvantageous temperature dependency. Both effects have the disadvantage that values of the initial velocity of the projectile (V o ) which differ greatly from one another occur and reproducible shot results can hardly be achieved. In the case of known projectiles, it was also found that the propellant gas escaping into the interior of the sleeve in the radial direction does not ignite the tracer or delay set arranged in the rear part of the projectile with sufficient reliability.
  • a light cartridge is also known, in which the features of the preamble of claim 1 are essentially realized.
  • the projectile containing the payload and the cartridge case are connected to one another via shear pins arranged on the circumference. If this arrangement were to be transferred to grenade cartridges, it would be particularly disadvantageous that the shot results are not sufficiently reproducible because the pins are not sheared off at exactly the same time.
  • the invention has for its object to improve cartridge ammunition for a grenade pistol in such a way that the disadvantages described above are avoided and primarily achieved by a constant, almost temperature-independent initial speed in a wide temperature range reproducible firing results and reliable ignition of the tracer and / or delay set will.
  • Fig. 1 shows a longitudinal section through a cartridge ammunition for a grenade pistol, for example in 40 mm caliber.
  • the ammunition 1 comprises one of e.g. Plastic existing sleeve 10, in the opening of which a projectile 11 is arranged, which carries, for example, a fog charge 11 a and a tracer and / or delay set 11 b arranged in the rear part of the projectile 11.
  • An ignition charge 13 and a propellant charge 14 are accommodated in a cup 12 arranged in the bottom of the sleeve 10 in a smaller volume than the interior 10a of the sleeve 10.
  • the cup 12 which receives the ignition and propellant charge 13, 14 consists of two sleeves 12a, 12b arranged concentrically to one another.
  • the inner sleeve 12b is pot-shaped and is mounted in the outer sleeve 12a so as to be slidable and telescopic.
  • the inner pot-shaped sleeve 12b carries in its base 12e an ignition channel 12c pointing to the tracer and / or deceleration set 11b in the rear part of the projectile 11.
  • the outer sleeve 12a has at its free end piece, which protrudes into the interior 10a of the sleeve 10, via an external thread 100 with an adjoining annular predetermined breaking point 12d.
  • the floor of the projectile 11 has a sleeve 17 which is provided with an internal thread and which can be screwed onto the outer sleeve 12a of the cup 12.
  • the O-ring 15 inserted into the predetermined breaking point 12d reliably seals the screw connection against moisture that may possibly still enter the interior 10a of the sleeve 10, so that the ammunition with cartridges is also held for a very long time Storage period remains operationally reliable.
  • the mode of operation of the ammunition is explained with the aid of FIGS. 2 and 4. After the propellant charge 14 has been ignited via the primer charge 13, a gas pressure builds up in the propellant charge space inside the cup 12, which, however, only gives in to the annular predetermined breaking point 12d, which is subject to tensile stress, when a reproducible pressure level is reached.
  • the propellant charge pressure accelerates the projectile 11 and begins to push it out of the propellant charge sleeve 10.
  • the volume available for the propellant charge gases is increased only comparatively slightly, since the cup-shaped inner sleeve 12b, which is mounted in the outer sleeve 12a of the cup 12 so as to be slidable and telescopic, is telescopically pressed out of the outer sleeve 12a by participating in the projectile movement , however, by limiting the volume of propellant prevents the escape of propellant gases into the interior 10 of the sleeve 10. Only after - as shown in Fig.
  • the projectile 11 has finished its free flight in the cartridge chamber and has already entered the trains of the gun barrel, not shown, and has practically reached its final speed, does the inner sleeve 12b, which is then completely separated from the outer sleeve 12a, give clear the way for the propellant charge gases, which can then also enter the interior 10 of the sleeve 10. Because of the very narrowly limited small volume in which the propellant gases can initially spread, this advantageously results in a greatly reduced temperature dependency of the propellant gas pressure, which in turn leads to a constant initial velocity of the projectile 11 and thus to reproducible shot results, despite greatly differing ambient temperatures.
  • a ductile cup delimiting the propellant charge space is disadvantageously provided there, which has to bulge under the action of the propellant charge gases with the application of deformation work.
  • the cup-shaped inner sleeve 12b of the cup 12 has in its base 12e an ignition channel 12c which is aligned with the tracer and / or deceleration set 11b arranged in the rear part of the projectile 11. Immediately after the propellant charge 14 has been ignited, hot propellant charge gases can therefore pass through this ignition channel 12c, which - in contrast to conventional ammunition - enables a completely reliable ignition of the tracer and / or delay set 11b.
  • the tracer and / or delay set 11b serves at the same time for the optionally delayed ignition of a useful charge transported in the storey 11, here for example a fog charge 11a.
  • a useful charge transported in the storey 11 here for example a fog charge 11a.
  • the tracer and / or delay set 11b receiving sleeve 100 is pyrotechnically coupled to the fog charge 11b in such a way that towards the end of the burnout of tracer and / or delay set 11b the fog charge 11a is also ignited.
  • a pressure then builds up in the storey 11a which, after an O-ring 16 has blown off, as shown in FIG. 3, allows fog clouds 19 to emerge through bores 18 which are preferably distributed uniformly over a circumference. In this way, an effective fog effect occurs in the last flight phase of the projectile, before it hits the ground.
  • another useful charge such as a lightning, bang, color and / or smoke charge, can of course also be arranged in the storey 11.
  • FIGS. 4 to 7 shows a longitudinal section through an exercise cartridge
  • FIG. 5 shows a side view of the cup 12 shown on an enlarged scale
  • FIG. 6 - again enlarged - shows a section through the wall of the cup 12 in the region of the recesses 50
  • FIG Side view of the cup 12 in a further embodiment.
  • the advantageous developments of the invention differ from the exemplary embodiment according to FIGS. 1 to 3 mainly in that recesses 50 are arranged in the wall of the cup 12, which connect the space of the propellant charge 14 to the interior 10a of the sleeve 10.
  • These recesses 50 are preferably arranged evenly distributed on a circumference, in the exemplary embodiment according to FIGS.
  • four recesses 50 are provided with a mutual distance of 90 °. Through the recesses 50 it is achieved that, after igniting the propellant charge 14, the interior 10a of the sleeve 10 is also acted upon from the beginning with a gas pressure, albeit a lower one. In view of the large volume difference between the propellant charge space inside the cup 12 and the interior 10a of the sleeve 10, a lower pressure value is found in the interior 10a, which corresponds, for example, to only 1/10 of the pressure inside the cup 12.
  • the predetermined breaking point 12d is dimensioned in such a way that it would not be destructible merely because of the propellant pressure generated in the interior of the cup 12.
  • the predetermined breaking point 12d is designed in such a way that it would only be destroyed under a load of 750 kp.
  • an internal pressure of approximately 400 bar inside the cup 12a and an area of approximately 1.25 cm 2 would only develop a force of approximately 500 kg. It is only through the interaction of the forces which act on the projectile 11 due to the pressure inside the cup 12a and in the interior 10a of the sleeve 10 that the predetermined breaking point 12d and the accelerator become destroyed inclination of the floor 11 allows.
  • a pressure of about 50 bar contributes to this, which additionally exerts a force of 500 kp on a floor area of about 10 cm 2 .
  • First the sum of the aforementioned force components . ten thus exceeds the crack resistance of the predetermined breaking point 12d.
  • the outer diameter of the sleeve 10 was approximately 38 mm
  • the inner diameter of the cup 12 was approximately 12 to 13 mm.
  • four recesses 50 with a maximum diameter of approximately 2 mm were arranged at 90 ° intervals.
  • the weight of the bullet was about 180 g.
  • a weight of the propellant charge 14 of approximately 0.35 g
  • a pressure of approximately 500 bar built up inside the cup 12 while approximately 1/10 of this pressure value, ie 50 bar, was determined in the interior 10a of the sleeve 10.
  • a very uniform initial speed of the projectile 11 and a constant range with a very low standard deviation were achieved, so that all requirements of the user could be met.
  • the range was constantly less than about 25 cm per 100 m compared to about 45 cm per 100 m for conventional ammunition.
  • the standard deviation of the initial speed V o was always less than 1 m sec-1. This meant that the values demanded by the consumer could be met without difficulty.
  • a membrane 50a which is not designed to be pressure-resistant, but immediately after the ignition Propellant charge 14 is destroyed.
  • This membrane 50a can be made, for example, from a thin plastic or metal foil.
  • the recesses 50 are expediently arranged lying within the ring-shaped predetermined breaking point 12d (FIG. 7).
  • This embodiment has the advantage that no separate covering of the recesses 50, as shown in FIG. 6, is required, but that a reliable sealing of the recesses 50 is simultaneously effected by the O-ring, which seals the threaded connection between the sleeve 17 and the cup 12 is inserted into the predetermined breaking point 12d.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Catching Or Destruction (AREA)
EP86901398A 1985-03-05 1986-02-25 Patronierte munition Expired EP0215042B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86901398T ATE45035T1 (de) 1985-03-05 1986-02-25 Patronierte munition.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853507643 DE3507643A1 (de) 1985-03-05 1985-03-05 Patronierte munition
DE3507643 1985-03-05

Publications (2)

Publication Number Publication Date
EP0215042A1 EP0215042A1 (de) 1987-03-25
EP0215042B1 true EP0215042B1 (de) 1989-07-26

Family

ID=6264174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86901398A Expired EP0215042B1 (de) 1985-03-05 1986-02-25 Patronierte munition

Country Status (16)

Country Link
US (3) US4762068A (da)
EP (1) EP0215042B1 (da)
KR (1) KR920003085B1 (da)
AU (1) AU589166B2 (da)
CA (1) CA1286146C (da)
DE (2) DE3507643A1 (da)
DK (1) DK159944C (da)
ES (1) ES8801429A1 (da)
FI (1) FI864175A0 (da)
GR (1) GR860345B (da)
IT (1) IT1188562B (da)
NO (1) NO161881C (da)
NZ (1) NZ215357A (da)
SG (1) SG79490G (da)
WO (1) WO1986005265A1 (da)
ZA (1) ZA861643B (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738937A1 (de) * 1997-09-05 1999-03-18 Nico Pyrotechnik Patronierte Munition
DE19944486A1 (de) * 1999-09-16 2001-04-19 Nico Pyrotechnik Irritationskörper
DE102004017464B4 (de) * 2004-04-08 2006-05-18 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG Patronierte Übungsmunition

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DE3507643A1 (de) * 1985-03-05 1986-09-11 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau Patronierte munition
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JP5638996B2 (ja) * 2011-03-30 2014-12-10 株式会社ダイセル 人員拘束装置用ガス発生器
KR101384214B1 (ko) * 2012-04-04 2014-04-10 국방과학연구소 능동파괴체계의 대응탄의 급속 발사를 위한 개방형 추진장치
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CH627550A5 (de) * 1978-05-30 1982-01-15 Oerlikon Buehrle Ag Drallstabilisiertes treibspiegelgeschoss zur ueberwindung eines heterogenen widerstandes.
AT371596B (de) * 1980-12-23 1983-07-11 Oregon Ets Patentverwertung Granate
DE3474344D1 (en) * 1983-07-15 1988-11-03 Confederate Creek Inc Plastic casing cartridge
DE3507643A1 (de) * 1985-03-05 1986-09-11 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau Patronierte munition

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738937A1 (de) * 1997-09-05 1999-03-18 Nico Pyrotechnik Patronierte Munition
DE19738937C2 (de) * 1997-09-05 1999-07-29 Nico Pyrotechnik Patronierte Munition
DE19944486A1 (de) * 1999-09-16 2001-04-19 Nico Pyrotechnik Irritationskörper
DE19944486C2 (de) * 1999-09-16 2003-06-26 Nico Pyrotechnik Irritationskörper
DE102004017464B4 (de) * 2004-04-08 2006-05-18 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG Patronierte Übungsmunition

Also Published As

Publication number Publication date
FI864175A7 (fi) 1986-10-16
DE3664684D1 (de) 1989-08-31
US4815387A (en) 1989-03-28
ZA861643B (en) 1986-11-26
CA1286146C (en) 1991-07-16
KR920003085B1 (ko) 1992-04-13
AU5540986A (en) 1986-09-24
AU589166B2 (en) 1989-10-05
FI864175A0 (fi) 1986-10-16
IT8619640A1 (it) 1987-09-05
EP0215042A1 (de) 1987-03-25
DK159944B (da) 1990-12-31
NO863813D0 (no) 1986-09-25
SG79490G (en) 1991-08-23
US4892038A (en) 1990-01-09
WO1986005265A1 (fr) 1986-09-12
NO161881C (no) 1989-10-04
DK436086D0 (da) 1986-09-11
KR880004291A (ko) 1988-06-03
US4762068A (en) 1988-08-09
DE3507643A1 (de) 1986-09-11
ES8801429A1 (es) 1988-01-16
NZ215357A (en) 1987-07-31
NO863813L (no) 1986-09-25
GR860345B (en) 1986-06-26
IT1188562B (it) 1988-01-20
NO161881B (no) 1989-06-26
DK436086A (da) 1986-10-23
IT8619640A0 (it) 1986-03-05
DK159944C (da) 1991-05-21
ES552635A0 (es) 1988-01-16

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