WO2013010675A1 - Cartridge ammunition - Google Patents
Cartridge ammunition Download PDFInfo
- Publication number
- WO2013010675A1 WO2013010675A1 PCT/EP2012/003079 EP2012003079W WO2013010675A1 WO 2013010675 A1 WO2013010675 A1 WO 2013010675A1 EP 2012003079 W EP2012003079 W EP 2012003079W WO 2013010675 A1 WO2013010675 A1 WO 2013010675A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure chamber
- pressure
- chamber
- overflow channels
- ammunition according
- Prior art date
Links
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
-
- 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
- F42B5/26—Cartridge cases
- F42B5/28—Cartridge cases of metal, i.e. the cartridge-case tube is of metal
- F42B5/285—Cartridge cases of metal, i.e. the cartridge-case tube is of metal formed by assembling several elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/0823—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition
- F42C19/083—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition characterised by the shape and configuration of the base element embedded in the cartridge bottom, e.g. the housing for the squib or percussion cap
Definitions
- the invention relates to a cartridge ammunition, in particular garnet ammunition, with a projectile and a high-pressure low-pressure drive system for expelling the projectile from its cartridge case, the high-pressure low-pressure drive system having a propellant charge receiving high pressure chamber and a high pressure chamber receiving low pressure chamber having over one or more overflow channels which can be revealed by the pressure arising when igniting the propellant charge can be connected to one another in the wall delimiting the high-pressure chamber.
- a cartridge ammunition is known for example from WO 2008/099353 A1.
- the cartridged ammunition consists of a bullet and this receiving cartridge case.
- a cartridge is provided, which limits a high-pressure chamber in which a propellant charge is located.
- the cartridge is surrounded by a low pressure space bounded by the inner walls of the cartridge case and part of the bottom of the projectile.
- Projectile and cartridge case are connected to each other via a predetermined breaking point.
- the high-pressure chamber is connected to the low-pressure chamber via covered overflow openings.
- the pressure for expelling the bullet from the cartridge case is supplied by the pressure in both the high-pressure chamber and in the low-pressure chamber.
- CONFIRMATION COPY Grenades are known in different design and with different caliber, they serve primarily to combat more distant targets.
- caliber smaller grenades in particular 40 -mm shells are known, which are used primarily in the infantry area and make it possible, even targets that are outside the maximum range of hand grenades, to fight without relying on the support of other weapons or branches.
- a 40mm grenade is a cartridge ammunition that can be fired by a grenade launcher.
- Grenades, particularly 40mm grenades operate on a high pressure, low pressure propulsion system (sometimes referred to as a high pressure, low pressure ignition system).
- the high pressure chamber is usually realized by means of a hollow cylindrical chamber component.
- the high pressure chamber is the ignitable via a primer or the like propellant charge.
- a pressure> 1000 bar is formed in the high-pressure chamber.
- From a certain pressure there is an opening of one or more channels provided on the chamber component, which lead into the low-pressure chamber surrounding the chamber component.
- This low-pressure chamber is connected to the floor of the floor and is limited by this.
- the object is therefore to provide a cartridge ammunition with a high pressure low pressure drive system, in which the load of the low pressure chamber is reduced.
- the overflow are aligned so that their direction with respect to the longitudinal axis of the high pressure chamber deviates from the radial direction.
- the propellant gases flowing out of the high-pressure chamber through the overflow channels no longer strike the inner wall of the cartridge case perpendicularly as in conventional high-pressure low-pressure drive systems, but hit the wall of the low-pressure chamber at a shallower angle. Due to the shallower angle of incidence and the distance of the propellant charge gases from the outlet opening of the overflow channels to the wall of the cartridge case, which is prolonged compared to the radial outflow direction, the pressure and temperature peaks at the delimiting wall of the low-pressure chamber can be substantially reduced.
- the overflow channels are aligned so that the extension of their direction on the longitudinal axis of the high pressure chamber points past.
- a tangential velocity component is imparted to the propellant charge gases flowing out of the overflow channels in the low-pressure chamber, thereby ensuring a faster equalization of the pressure in the entire low-pressure chamber than would be possible with normal impact of the propellant gases on the cartridge case and the associated chaotic deflections of the gas streams ,
- the longitudinal axes of the transfer channels lie in a common plane perpendicular to the longitudinal axis of the high-pressure chamber.
- the longitudinal axes of the overflow are in different planes perpendicular to the longitudinal axis of the high-pressure chamber.
- the longitudinal axis of the overflow channels it is also possible for the longitudinal axis of the overflow channels to have a directional component in the axial direction, at least in the case of a part of the overflow channels.
- the overflow channels point slightly upwards to the projectile in order to produce a spiral gas vortex, which develops helically from the overflow channels arranged underneath up to the projectile.
- the overflow channels preferably have a cross-section which increases towards the low-pressure chamber. As a result, a relaxation of the propellant charge gases take place already during the passage of the overflow channels, which in turn is conducive to the uniform pressure build-up in the low-pressure chamber.
- the wall defining the high-pressure chamber is formed by a chamber component which comprises rotationally symmetrical, in particular circular-cylindrical, elements.
- a chamber component which comprises rotationally symmetrical, in particular circular-cylindrical, elements.
- hollow-cone-shaped, hollow-truncated-cone-shaped, hollow-spherical and hollow-hemispherical-shaped elements are also suitable here.
- the chamber component as a whole is rotationally symmetrical.
- the longitudinal axis of the high-pressure chamber is its axis of symmetry.
- grenades In order to shoot the projectile at a reasonably defined speed, it is necessary to realize a certain ratio of high-pressure chamber volume to low-pressure chamber volume.
- three different types of grenades are known for 40 mm grenades, namely a low velocity grenade with a projectile firing speed of about 75 m / s, a medium velocity grenade with a firing speed of about 100 m / s and a high velocity grenade with a launch speed of approx. 240 m / s.
- the amount of propellant charge also plays a role in achieving a desired launch speed, with only a relatively small amount in the gram range usually being required.
- This propellant is as stated in the high-pressure chamber, which is formed by the chamber component. However, this volume is significantly larger than the propellant charge.
- the propellant charge is consequently movable in the high-pressure chamber, that is, there is no defined position relative to the primer or the like, over which the propellant charge is ignited.
- there are undefined firing conditions relative to the firing cap which leads to an undefined burnup from shot to shot and consequently an undefined pressure generation is also given, which in turn results in an unreproducible firing speed.
- the individual projectiles are fired at a higher or lower speed. However, this is not desirable since different firing speeds at constant weapon position lead to a corresponding dispersion.
- the high-pressure chamber is preferably subdivided via a bursting membrane into a first chamber section receiving the propellant charge and a second chamber section.
- a three-chamber drive system comprising a high-pressure chamber, which consists of two individual chambers, and the low-pressure chamber.
- the first chamber portion of the high-pressure chamber is dimensioned in the volume so that it is preferably completely filled with the propellant charge, so that consequently can not move and is always in a defined position relative to the primer or the like.
- the first chamber section is separated from the second chamber section by a bursting membrane, wherein the first chamber section and the second chamber section together form the high-pressure chamber and are dimensioned in the total volume such that the defined, required volume ratio of high-pressure chamber to low-pressure chamber results.
- the propellant charge ignited, it burns initially only in the first chamber section, it comes to generating pressure in the first chamber section.
- a bursting pressure which is for example in the range of 200 to 300 bar, ruptures the bursting membrane, the two chamber sections combine to form a common high-pressure chamber.
- the transfer ports which in turn connect the high pressure chamber with the low pressure chamber. The gas can now flow into the low pressure chamber and is at the bottom of the floor. With sufficient pressure it then comes to launch the projectile.
- the overflow channels can be arranged in the region of the first or second chamber section. Since the transfer ports open only when a correspondingly high pressure of 1200 to 1300 bar is given, to which already a corresponding quantity of propellant must be burned, it is consequently also possible to provide the transfer ports in the region of the first, initially containing the propellant charge chamber section. However, they can also be provided in the region of the second chamber section which does not contain the propellant charge.
- the bursting membrane is displaceable in the high pressure chamber and received in a clamping manner in the respective position.
- This makes it possible to slightly vary the volumes of the first and second chamber sections, depending on the positioning of the bursting membrane.
- the volume of the first chamber portion and thus the amount of propellant charge can be sized smaller or larger, which consequently the charge density can be easily adjusted.
- the bursting membrane is arranged on a cup whose cylindrical portion covers the transfer channels.
- the overflow channels are only opened when a correspondingly high pressure is present in the high-pressure chamber. Before that they are closed.
- a cup which also has the bursting membrane is used. If the bursting pressure is reached, the membrane ruptures, but the cylindrical collar of the bowl still closes the overflow channels. Only when the corresponding pressure level of, for example, 1200 or 1300 bar is reached in the high pressure chamber, the cup material in the region of the overflow channels, it is literally punched out, open the overflow.
- the cup thus has a multiple function, namely to act on the one hand as a support of the bursting membrane, but on the other hand also serve as overflow channel closure, as well as on its cylindrical portion, the clamping fixation of the cup and the bursting membrane takes place in the chamber component.
- a separate ring or inner lining which covers the overflow channels.
- This ring or liner only has the function of closing the overflow channels and releasing the overflow channels when a sufficiently high pressure is applied.
- the bursting membrane itself is designed as a separate component, it comprises a retaining ring, in which the actual membrane section is arranged, wherein the bursting membrane is fixed in clamping manner in the chamber component via the retaining ring.
- the bursting membrane itself, optionally the entire cup, the ring or the inner lining of the high-pressure chamber are preferably made of metal, in particular of a metal sheet, wherein the metal is in particular copper, brass or aluminum.
- the support of the projectile itself in the cartridge case can be done in different ways.
- On the one hand can be provided on the chamber component a separable via a predetermined breaking point threaded connector on which the projectile is screwed. In the area of the predetermined breaking point of the threaded neck breaks off when in the Low pressure chamber is present at a sufficiently high pressure.
- the projectile can be releasably connected to the cartridge case via a crimp connection at launch. The fixation of the projectile takes place directly on the cartridge case.
- Figure 1 is a first sectional view through a patronized according to the invention
- FIG. 2 shows a second sectional view along that shown in FIG
- FIG. 3 shows a sectional view through a preferred embodiment of the ammunition according to the invention
- Figure 4 is a sectional view through a chamber member with movably arranged
- FIG. 5 shows a sectional view through a chamber component with separate bursting membrane and separate ring
- FIG. 6 shows a sectional view through a chamber component with a cup lying against a stop.
- FIGS 1 and 2 show the high-pressure low-pressure drive system according to the invention for expelling a projectile 11 (not shown in Figures 1 and 2) from its cartridge case 2.
- the high-pressure low-pressure drive system comprises a propellant 9 receiving high pressure chamber 12 and the high pressure chamber 12th receiving low-pressure chamber 13, which are open to each other over several by the pressure generated during the ignition of the propellant 9 pressure overflow 19 in the high-pressure chamber 12 bounding wall 3 are connected to each other.
- the overflow channels 19 are aligned with respect to that their direction 25 deviates with respect to the longitudinal axis 26 of the high-pressure chamber 12 from the radial direction 27. This ensures that the thermal shock of the Cartridge sleeve 2 in the region of the overflow channels 19 is not so high, as if the overflow 19 would eject the propellant gases in the radial direction.
- the overflow channels 19 are aligned such that the extension of their direction 25 points past the longitudinal axis 26 of the high-pressure chamber 12. This means that the overflow channels 19 are aligned so that the extension of their direction 25 does not hit the longitudinal axis 26 of the high-pressure chamber 12. As a result, a tangential velocity component can be imparted to the propellant gases flowing over into the low-pressure chamber 13, which leads to a more uniform pressure build-up in the low-pressure chamber 13.
- overflow channels 19 are shown in FIG. 2, but fewer, for example three, four or five, but also more overflow channels 19, for example seven or eight overflow channels 19 are conceivable.
- all overflow channels 19 are aligned in FIG. 2 in such a way that they point past the same side of the longitudinal axis 26. This circumstance is illustrated in FIG. 2 by way of example at the overflow channel 19 at the top right in the drawing.
- the extension of the direction 25 of the overflow 19 to the right of the longitudinal axis 26 of the high-pressure chamber 12 over is perpendicular to the image plane in the middle of the figure, from there is exemplarily a radial direction 27 drawn).
- the flow jets of all transfer ports 19 in mutual support form a controlled gas vortex in the low-pressure chamber.
- This gas vortex can also be referred to as a rotating gas movement, as a gas rotation or as a cyclone.
- this controlled gas vortex is a very fast equalization of the pressure in the low pressure chamber 13th
- the overflow channels 19 have a cross-section which increases toward the low-pressure chamber 13. In the present example, this cross-sectional enlargement occurs discontinuously in one stage. This has the advantage that such overflow 19 are very easy to manufacture manufacturing technology, since initially six holes with a small cross-section must be completely drilled through the wall 3, which are then partially drilled from the outside with a larger drill. But it is just as well a continuous cross-sectional enlargement conceivable, for example, a cone-shaped cross-sectional enlargement.
- the longitudinal axes of the overflow channels 19 lie in a common plane perpendicular to the longitudinal axis 26 of the high-pressure chamber 12.
- the longitudinal axis 25 of the overflow channels 19 has a directional component in the axial direction 26. If z. B. the overflow 19 in addition to the above-described tilt in the plane perpendicular to the longitudinal axis 26 slightly upward to the projectile 1 1 out point, a spiral, three-dimensional cyclone can be generated, which extends helically from the bottom arranged overflow 19 up to the projectile. 1 1 developed. As a result, a particularly rapid and uniform pressure development in the low-pressure chamber 13 can be achieved.
- the wall 3 delimiting the high-pressure chamber 12 is formed by a chamber component which comprises rotationally symmetrical elements.
- the lower part of the high-pressure chamber 12 is hollow-cylindrical on the inner side, while the lower part of the high-pressure chamber 12 on the outer side is slightly frusto-conical for structurally reinforcing reasons.
- the upper portion of the high pressure chamber 12 is formed semi-hollow spherical. Because the high-pressure chamber 12 is preferably formed completely from rotationally symmetrical elements, the longitudinal axis 26 of the high-pressure chamber 12 is at the same time its axis of symmetry (cylinder symmetry).
- FIG. 3 shows a sectional view through a preferred embodiment of the ammunition according to the invention, for example a 40 mm grenade. It comprises a grenade sleeve or a cartridge 2 into which the chamber component 3 is inserted.
- the chamber component 3 has (see FIG. 4) a threaded section 4 which is screwed into a corresponding threaded section 5 of the cartridge 2 in order to fix the chamber component 3 in the cartridge 2.
- a closure plate 6 is inserted, which closes the chamber member 3.
- a primer 8 is arranged that the ignition of the propellant charge 9 is used, which is arranged in the interior of the chamber member 3.
- a threaded connector 10 is further provided, which is screwed into a corresponding threaded bore on the projectile 1 1, which threaded hole is arranged on the floor of the bullet, about which the projectile 11 is fixed on the cartridge side.
- the hollow-cylindrical chamber component 3 defines in its interior the high-pressure chamber 12, which is surrounded by the low-pressure chamber 13 closed via the cartridge 2 and the floor of the projectile.
- the high-pressure chamber 12 in turn is divided into two chamber sections according to FIGS. 3 to 6, namely a first chamber section 14 and a second chamber section 15. Both are sealed off and separated from each other by a bursting membrane 16, the bursting membrane 16 being arranged on a cup 17 in FIG or is formed integrally with this.
- the cup 17 is received via its cylindrical portion 18 by clamping in the hollow cylindrical chamber member 3, wherein its hollow cylindrical portion 18, the overflow 19 closes.
- the overflow channels 19 represent the pressure-dependently apparent connection between the high-pressure chamber 12 and the low-pressure chamber 13.
- the first chamber section 14 is completely filled with the propellant charge 9. This is therefore arranged fixed in position relative to the primer cap 8, so that therefore always defined ignition conditions are given. Depending on how the cup 17 is positioned, the volume of the first chamber portion 14 can be adjusted, thus therefore a volume adjustment and thus optimize the charging density.
- the propellant charge 9 ignited via the primer 8, it burns off, it comes to generating pressure in the first chamber section 14.
- the bursting membrane 16 opens, so that the two chamber sections 14, 15 to the entire high-pressure chamber 12 unite. This means that the entire chamber volume of the high pressure chamber 12 is available for the subsequent burnup.
- the cup 17 or its cylindrical portion 18 is punched through in the region of the overflow 19. This means that the overflow channels 19 are opened and the high-pressure chamber 12 connects to the low-pressure chamber 13.
- the propellant charge gas can now flow into the low-pressure chamber 13.
- the predetermined breaking point 20 can be set very accurately, so that a defined pressure-related demolition can be achieved.
- the defined ignition and combustion conditions respectively pressure conditions and the corresponding design of the predetermined breaking point 20 with low tolerance, a well reproducible projectile speed can be achieved from grenade to grenade.
- the cup 17 is preferably made of a copper-brass or aluminum sheet. Depending on the bursting pressure to be set with regard to the bursting membrane or bursting pressure in the region of the overflow channels 19, the corresponding metal material or the corresponding sheet metal thickness is selected.
- FIG. 5 shows a further embodiment which allows separation of the high-pressure chamber 12 into a first chamber section 14 receiving the propellant charge and a second chamber section 15.
- a bursting membrane 16 which, however, here is a separate component and is fixed by way of an edge-side retaining ring 21 which is to be received by clamping in the chamber component 3.
- the bursting membrane 16 is movable, that is, the volume of the first and second chamber sections 14, 15 by appropriate positioning of the bursting membrane 16 adjusted and thus the loading density can be optimized.
- defined ignition and thus burning conditions can be achieved.
- the operation is the same as described in the above embodiment.
- the ring 22 is then punched to open the overflow 19, so that the gas again can flow into the low pressure chamber 13 and the projectile 11 is fired at a sufficient pressure in the low pressure chamber 13.
- FIG. 6 shows an embodiment in which a ring collar 23, which forms a stop 24 for the cup 17, is provided on the chamber component 3.
- the cup 17 in turn has a bursting membrane 16, but it is here in a reverse arrangement (compared with Figure 4) positioned.
- Its cylindrical portion 18 is directed here in the direction of the end plate 6.
- Overflow channels 19 are provided in this embodiment in the region of the propellant 9 receiving the first chamber portion 14, while they are positioned in the embodiment of Figure 4 in the region of the second chamber portion 15.
- the operation is the same as the previously described embodiments. With ignition, it comes first to the burning of the propellant charge 9 and thus the pressure build-up in the first chamber portion 14 and sufficient pressure to burst the bursting membrane 16.
- Threaded connector (from 3)
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Toys (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012286161A AU2012286161A1 (en) | 2011-07-21 | 2012-07-20 | Cartridge ammunition |
EP12743374.6A EP2734805A1 (en) | 2011-07-21 | 2012-07-20 | Cartridge ammunition |
IL229675A IL229675A0 (en) | 2011-07-21 | 2013-11-28 | Cartridge ammunition |
ZA2014/01195A ZA201401195B (en) | 2011-07-21 | 2014-02-18 | Cartridge ammunition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA201105401 | 2011-07-21 | ||
ZA2011/05401 | 2011-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013010675A1 true WO2013010675A1 (en) | 2013-01-24 |
Family
ID=46614413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/003079 WO2013010675A1 (en) | 2011-07-21 | 2012-07-20 | Cartridge ammunition |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2734805A1 (en) |
AU (1) | AU2012286161A1 (en) |
IL (1) | IL229675A0 (en) |
WO (1) | WO2013010675A1 (en) |
ZA (1) | ZA201401195B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014012616A1 (en) * | 2012-07-14 | 2014-01-23 | Diehl Bgt Defence Gmbh & Co. Kg | Grenade, in particular 40 mm grenade |
DE102017110871A1 (en) * | 2017-05-18 | 2018-11-22 | Rheinmetall Waffe Munition Gmbh | Drive system for cartridge ammunition |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3918005A1 (en) * | 1988-09-22 | 1990-04-05 | Rheinmetall Gmbh | Shell of high target accuracy |
DE19527621A1 (en) * | 1995-07-28 | 1997-01-30 | Nico Pyrotechnik | Cartridge ammunition |
US20030140813A1 (en) * | 2002-01-29 | 2003-07-31 | Felix Rosenkranz | Barricade-penetrator |
CH693543A5 (en) | 1998-10-02 | 2003-09-30 | Nico Pyrotechnik | Grenade shell has piston sealing channels between high pressure chamber containing propellant charge surrounded by low pressure chamber, and which is moved upwards by propellant gases when shell is fired |
WO2008099353A1 (en) | 2007-02-14 | 2008-08-21 | Rippel Effect Weapon Systems (Proprietary) Limited | Grenade |
-
2012
- 2012-07-20 AU AU2012286161A patent/AU2012286161A1/en not_active Abandoned
- 2012-07-20 WO PCT/EP2012/003079 patent/WO2013010675A1/en active Application Filing
- 2012-07-20 EP EP12743374.6A patent/EP2734805A1/en not_active Withdrawn
-
2013
- 2013-11-28 IL IL229675A patent/IL229675A0/en unknown
-
2014
- 2014-02-18 ZA ZA2014/01195A patent/ZA201401195B/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3918005A1 (en) * | 1988-09-22 | 1990-04-05 | Rheinmetall Gmbh | Shell of high target accuracy |
DE19527621A1 (en) * | 1995-07-28 | 1997-01-30 | Nico Pyrotechnik | Cartridge ammunition |
CH693543A5 (en) | 1998-10-02 | 2003-09-30 | Nico Pyrotechnik | Grenade shell has piston sealing channels between high pressure chamber containing propellant charge surrounded by low pressure chamber, and which is moved upwards by propellant gases when shell is fired |
US20030140813A1 (en) * | 2002-01-29 | 2003-07-31 | Felix Rosenkranz | Barricade-penetrator |
WO2008099353A1 (en) | 2007-02-14 | 2008-08-21 | Rippel Effect Weapon Systems (Proprietary) Limited | Grenade |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014012616A1 (en) * | 2012-07-14 | 2014-01-23 | Diehl Bgt Defence Gmbh & Co. Kg | Grenade, in particular 40 mm grenade |
EP2872850B1 (en) | 2012-07-14 | 2016-09-21 | Diehl BGT Defence GmbH & Co.KG | Grenade, in particular 40 mm grenade |
AU2013292784B2 (en) * | 2012-07-14 | 2017-04-13 | Diehl Defence Gmbh & Co. Kg | Grenade, in particular 40 mm grenade |
DE102017110871A1 (en) * | 2017-05-18 | 2018-11-22 | Rheinmetall Waffe Munition Gmbh | Drive system for cartridge ammunition |
US10989505B2 (en) | 2017-05-18 | 2021-04-27 | Rheinmetall Waffe Munition Gmbh | Propulsion system for cartridge ammunition |
Also Published As
Publication number | Publication date |
---|---|
IL229675A0 (en) | 2014-01-30 |
AU2012286161A1 (en) | 2014-01-30 |
ZA201401195B (en) | 2015-12-23 |
EP2734805A1 (en) | 2014-05-28 |
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