EP3649427A1 - Vorrichtung zur erzeugung von blitz- und/oder knalleffekten - Google Patents
Vorrichtung zur erzeugung von blitz- und/oder knalleffektenInfo
- Publication number
- EP3649427A1 EP3649427A1 EP18737500.1A EP18737500A EP3649427A1 EP 3649427 A1 EP3649427 A1 EP 3649427A1 EP 18737500 A EP18737500 A EP 18737500A EP 3649427 A1 EP3649427 A1 EP 3649427A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bursting membrane
- pressure
- bursting
- membrane
- cargo space
- 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
Links
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
- F42B12/36—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A33/00—Adaptations for training; Gun simulators
- F41A33/04—Acoustical simulation of gun fire, e.g. by pyrotechnic means
-
- 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
- F42B12/42—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 of illuminating type, e.g. carrying flares
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B27/00—Hand grenades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/04—Firecrackers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B8/00—Practice or training ammunition
- F42B8/12—Projectiles or missiles
- F42B8/26—Hand grenades
Definitions
- the present invention relates to a device for generating lightning and / or blast effects, such as those used by military or security forces.
- Such devices are designed as stationary objects as well as a projectile. They can produce lightning and / or blast effects to act as decoys, for defensive defense, or for simulation and training purposes.
- devices of this type contain a pyrotechnic composition which can cause the desired lightning and / or blast effects by ignition.
- This pyrotechnic set is usually housed in a high pressure chamber and has discharge openings through which the desired effects are applied from the device.
- the existing openings in the device are sealed by shutter disks, so that the pyrotechnic composition is not impaired until its ignition in its functionality by penetration of moisture.
- closure disks Such sealing by closure disks is shown for example in DE 10 2010 052 210 A1.
- This document discloses a body of irritation with a pyrotechnic composition, which causes after ignition effects that are applied through the blow-out.
- the exhaust openings are closed by the closure elements, such as light cardboard discs before the ignition of the irritation.
- closure discs are usually laboriously sealed with an adhesive against moisture.
- a shutter disc must be used per opening, so that the body with, for example, eight openings or eight effect charges, at least eight shutter discs must be used. As many openings must be sealed by said adhesive against moisture.
- each opening of the device, through which the effect is to be applied after ignition of the active charge must be closed by one of the above-mentioned closure disks.
- each aperture must be sealed with moisture to seal each aperture.
- the device for generating lightning and / or blast effects has a body which represents the outer shell of the device. Inside this body, a high-pressure cargo space is provided, in which a pyrotechnic set is arranged. Likewise, there is an outside space outside the body and at least two overflow cross sections through which the high-pressure cargo space is connected to the outside space.
- At least one bursting membrane is now provided in order to make the high-pressure cargo compartment fluid-tight with respect to the outer space.
- the bursting membrane is designed such that upon ignition or disassembly of the pyrotechnic charge in the high-pressure cargo compartment by gas generation a pressure builds up, which also acts on the bursting membrane.
- the bursting membrane can assume a closed or an open state.
- the closed state is present after manufacture of the device and causes the sealing of the high-pressure cargo space with the pyrotechnic composition with respect to the outside space outside the body.
- the bursting membrane can transition from the closed to the open state, namely by the action of pressure or heat on the bursting membrane.
- the bursting membrane is designed so that the bursting membrane is opened after a certain pressure.
- it can be designed so that at a certain temperature, the bursting membrane vaporizes or burns, so that it also goes into an open state.
- the bursting membrane is preferably designed such that it is arranged in or on overflow cross sections and covers at least two overflow cross sections in each case.
- the sealing by Bestmembrane also causes a dam of the high pressure cargo space.
- this dam stabilizes the high-pressure cargo space, and on the other hand, this dam can also produce the desired bang effects.
- the bursting membrane is made of a material or material mix which is fluid impermeable.
- a material plastic or aluminum can be provided here.
- the nature of the bursting membrane can be designed depending on the application.
- the bursting membrane can be adjusted to the particular application of the device by the material or material mix used, so that the bursting membrane changes from the closed to the open state at a certain pressure or a certain temperature.
- metallic and non-metallic materials as well as combinations of both are proposed.
- rubberized aluminum is proposed for the bursting membrane, since this ensures simple and inexpensive production and is easy to process.
- the body of the device can be configured both rotationally symmetrical and cuboidal.
- the bursting membrane is the envelope of the high-pressure cargo space. Since the bursting membrane completely encloses the high-pressure cargo space, this arrangement ensures the best possible device damming.
- the body at least in the regions of the overflow cross sections through the bursting membrane.
- This cover of the body does not have to be complete, but is designed so that the bursting membrane is attached to the body only at the openings of the overflow cross sections and thus covers and seals the overflow cross sections.
- the bursting membrane it can also be arranged at any point in or on the overflow cross sections.
- the bursting membrane may be arranged at the locations of the high-pressure cargo space at which the overflow cross-sections constitute openings for the high-pressure cargo space, as well as between the high-pressure cargo space and the outer space of the body.
- means are further provided for igniting and / or disassembling the pyrotechnic composition so that the device or the pyrotechnic composition according to the invention can be ignited and / or disassembled.
- the device according to the invention can thus be designed as a stand-alone, stationary body or throwing body and have a corresponding detonator.
- the device can also be used as a module for introduction into a projectile.
- the bursting membrane according to the invention can be designed so that after the transition from the closed to the open state and escape of the pressure from the high-pressure cargo space, the bursting membrane is returned to the closed state.
- the bursting membrane can be designed so that it is permanently deformed when opening. In the aforementioned preferred embodiment of the bursting membrane made of rubberized aluminum, for example, a permanent deformation is brought about.
- a plurality of high-pressure cargo spaces and / or a plurality of pyrotechnic sets are provided.
- a high-pressure cargo space with multiple pyrotechnic sets is present and several high-pressure cargo spaces each with one or more pyrotechnic sets. If a plurality of high-pressure cargo spaces are present, a plurality of means for igniting and / or disassembling the pyrotechnic charge may also be provided.
- FIG. 1 Inventive device with overflow cross sections running in the longitudinal direction and bursting membranes attached to the body
- FIG. 2 Device according to the invention with transverse cross-sections running in the transverse direction and bursting membranes attached to the body
- FIG. 3 Device according to the invention with longitudinally extending overflow cross sections and bursting membranes mounted on the high-pressure cargo compartment
- FIG. 4 Device according to the invention with transverse flow cross-sections running in the transverse direction and bursting membranes attached to the high-pressure cargo compartment
- FIG. 5 Device according to the invention with longitudinally extending overflow cross-sections and a bursting membrane as the envelope of the high-pressure cargo compartment
- FIG. 6 Device according to the invention with transverse overflow cross-sections and a bursting membrane as the envelope of the high-pressure cargo compartment
- FIG. 8 Device according to the invention with transverse flow cross sections running in the transverse direction and bursting membranes mounted between the high-pressure cargo space and the outer space of the body
- Figures 1 and 2 show an inventive device for generating lightning and / or blast effects, each with two bursting membranes 5, which are arranged on the outer dimensions of the body 1.
- overflow cross sections 4 are arranged in the longitudinal direction of the body 1 and in FIG. 2 the overflow cross sections 4 are arranged in the transverse direction of the body 1.
- four overflow cross sections 4 are shown, wherein in each case two of the overflow cross sections 4 are covered by a bursting membrane 5.
- a high-pressure cargo compartment 2 which contains a pyrotechnic charge 3.
- the bursting membranes 5 are shown in the closed state and thus seal the high-pressure cargo space 2 with the pyrotechnic charge 3 in a fluid-tight manner.
- the body 1 is sealed at the same time, since the bursting membrane 5 are arranged on the outer dimension of the body 1. If the pyrotechnic composition 3 is ignited and / or decomposed, pressure is generated in the high-pressure chamber 2 by gas formation during the decomposition or combustion.
- the overflow cross sections 4 connect the high-pressure cargo compartment 2 to the exterior space outside the body 1, so that the pressure in the high-pressure cargo compartment also acts on the bursting diaphragm 5.
- the bursting membrane 5 can be designed so that either from a certain pressure the bursting membrane 5 pass from the closed to the open state or they can be designed so that the bursting membrane 5 from the closed to the open state by the heat from a certain temperature pass.
- the gas generated can escape from the high-pressure cargo compartment 2 through the overflow cross sections 4 to the outside of the body 1 and generate corresponding flash and / or bang effects.
- the blast effect can also be caused or supported by the fact that the bursting membrane 5 changes from the closed to the open state. Due to the then sudden pressure exchange, a bangling effect can be caused.
- Figures 3 and 4 also show a device according to the invention, in which case in contrast to Figure 1 and 2, the bursting membrane 5 are not arranged on the outer dimension of the body 1, but at the high-pressure compartment 2.
- the high-pressure compartment 2 is sealed fluid-tight and not the body 1, since further fluids can penetrate into the body, namely by the overflow cross-sections 4.
- two of the overflow 4 are each closed by a bursting membrane 5.
- the remaining construction and the mode of action of the device according to the invention in FIGS. 3 and 4 correspond to those of FIGS. 1 and 2.
- FIGS. 5 and 6 the bursting membrane 5 is shown as a complete enclosure of the high-pressure cargo compartment 2. Thus, only a bursting membrane in Figures 5 and 6 is present.
- the bursting membrane 5 represents the complete envelope of the high-pressure cargo space 2
- the high-pressure cargo space 2 and the pyrotechnic charge 3 contained therein are sealed fluid-tight with only one bursting membrane since the one bursting membrane 5 closes each overflow cross-section 4 by this arrangement.
- FIGS. 7 and 8 show how the bursting membrane can run within the body 1 in such a way that, as in the preceding drawings 1 to 4, a plurality of overflow cross sections 4 can be sealed with a bursting membrane 5.
- the introduction of the bursting membrane 5 in the body 1 of Figure 7 and 8 can be done during installation of the device or in that bays or grooves are provided, in which after production of the device, the bursting membrane 5 are inserted.
- rubber has proven to be helpful as a material or material component of the bursting membrane 5.
- a plurality of overflow cross sections 4 are covered with a bursting membrane 5.
- the bursting membrane 5 is in each case after manufacture of a device according to the invention in the closed state, so that the high-pressure cargo space 2 is closed fluid-tight with the pyrotechnic set 3.
- the device according to the invention can be stored until it is used, without the effect of the pyrotechnic composition 3 being influenced by penetrating moisture.
- the device is not limited to the above-mentioned features. Rather, further embodiments are conceivable. So it is possible to envelop the entire body by a bursting membrane. Likewise, it is conceivable to make the bursting membrane so that it burns without residue on transfer from the closed to the open state. Furthermore, it is conceivable to make the bursting membrane so that it is reusable. For this purpose, the bursting membrane must be designed so that once it has reached the open state, this can be transferred back to the closed state. This can be ensured by a suitable choice of the materials of the bursting membrane. If necessary, resealing can be assisted by a spring element. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017114974.0A DE102017114974B4 (de) | 2017-07-05 | 2017-07-05 | Vorrichtung zur Erzeugung von Blitz- und/oder Knalleffekten |
| PCT/EP2018/066507 WO2019007692A1 (de) | 2017-07-05 | 2018-06-21 | Vorrichtung zur erzeugung von blitz- und/oder knalleffekten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3649427A1 true EP3649427A1 (de) | 2020-05-13 |
| EP3649427B1 EP3649427B1 (de) | 2022-05-11 |
Family
ID=62837856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18737500.1A Active EP3649427B1 (de) | 2017-07-05 | 2018-06-21 | Vorrichtung zur erzeugung von blitz- und/oder knalleffekten |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3649427B1 (de) |
| DE (1) | DE102017114974B4 (de) |
| HU (1) | HUE059256T2 (de) |
| WO (1) | WO2019007692A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022122202B4 (de) | 2022-09-01 | 2024-05-23 | ARX Landsysteme GmbH | Simulationsvorrichtung zur Simulation von Gefechtsfeldereignissen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548946A (en) | 1947-11-01 | 1951-04-17 | Kilgore Mfg Co | Pyrotechnic device |
| US3656435A (en) | 1967-12-04 | 1972-04-18 | Aai Corp | Directional dispensing grenade with externally open, integrally-formed and internally closed, propellant-charge well and internal frusto-conical material discharge guiding surface |
| AT335887B (de) | 1974-05-27 | 1977-04-12 | Urbach Ing Erich | Nebelwurfkorper |
| AT351971B (de) | 1977-09-07 | 1979-08-27 | Oregon Ets Patentverwertung | Uebungs-handgranate |
| US4976201A (en) * | 1989-11-01 | 1990-12-11 | Martin Electronics, Inc. | Non-lethal distraction device |
| DE9210649U1 (de) | 1992-08-10 | 1992-11-05 | Nico Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG, 2077 Trittau | Schockwaffe |
| US6871594B1 (en) | 2003-04-01 | 2005-03-29 | Randall P. Estrella | Reusable paint grenade |
| US8161883B1 (en) | 2009-07-16 | 2012-04-24 | The United States Of America As Represented By The Secretary Of The Army | Flash-bang grenade with greater flash intensity |
| DE102010052210B4 (de) | 2010-11-24 | 2021-10-07 | Rheinmetall Waffe Munition Gmbh | Leistungsvariabler Irritationskörper |
-
2017
- 2017-07-05 DE DE102017114974.0A patent/DE102017114974B4/de active Active
-
2018
- 2018-06-21 EP EP18737500.1A patent/EP3649427B1/de active Active
- 2018-06-21 WO PCT/EP2018/066507 patent/WO2019007692A1/de not_active Ceased
- 2018-06-21 HU HUE18737500A patent/HUE059256T2/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUE059256T2 (hu) | 2022-11-28 |
| DE102017114974A1 (de) | 2019-01-10 |
| EP3649427B1 (de) | 2022-05-11 |
| WO2019007692A1 (de) | 2019-01-10 |
| DE102017114974B4 (de) | 2024-02-22 |
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