EP3076121A1 - Corps fumigenes - Google Patents

Corps fumigenes Download PDF

Info

Publication number
EP3076121A1
EP3076121A1 EP16000615.1A EP16000615A EP3076121A1 EP 3076121 A1 EP3076121 A1 EP 3076121A1 EP 16000615 A EP16000615 A EP 16000615A EP 3076121 A1 EP3076121 A1 EP 3076121A1
Authority
EP
European Patent Office
Prior art keywords
charge
plastic casing
active
separating
smoke 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.)
Granted
Application number
EP16000615.1A
Other languages
German (de)
English (en)
Other versions
EP3076121B1 (fr
EP3076121B8 (fr
Inventor
Armin Weis
Bartholomäus Latour
Manfred Klare
Jörg Kökel
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.)
Diehl Defence GmbH and Co KG
Original Assignee
Diehl BGT Defence 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 Diehl BGT Defence GmbH and Co KG filed Critical Diehl BGT Defence GmbH and Co KG
Priority to PL16000615T priority Critical patent/PL3076121T3/pl
Publication of EP3076121A1 publication Critical patent/EP3076121A1/fr
Publication of EP3076121B1 publication Critical patent/EP3076121B1/fr
Application granted granted Critical
Publication of EP3076121B8 publication Critical patent/EP3076121B8/fr
Active 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
    • 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

Definitions

  • the invention relates to a smoke throwing body with a pyrotechnic active charge, wherein the active charge is received in a plastic casing, wherein at least one pyrotechnic separation means is provided for separating the plastic casing.
  • smoke projectiles are used, which are fired in the case of a threat situation.
  • the smoke missile comprises a pyrotechnic active charge which, when lit, emits a mist which protects the vehicle or vehicles to be protected against detection, detection and target tracking and thus against a missile threat.
  • the nebula emits in the infrared spectral range and is opaque in the visual spectral range. Since the threatening missiles approach at speeds of 200 to 600 m / s, after their detection, a nebulization must take place very quickly.
  • Such a misting body is made, for example DE 10 2006 008 309 B4 known.
  • the active charge used there is welded in a plastic sheath in the form of a plastic film.
  • self-adhesive black powder films so-called tapematch, are provided which are arranged around the active charge around, so are between effective charge and plastic film.
  • This plastic film is usually in a shrinking process, comprising the effective charge attached.
  • the black powder films For separating the plastic film, it is necessary to ignite the black powder films, for which purpose they are to be connected to an ignition means. This is complicated due to the arrangement of the black powder films around the active charge around realize, since the ignition is arranged outside the plastic casing. In addition, the black powder films are also thermally stressed during the shrinking of the plastic jacket, which may affect their functionality.
  • the invention is therefore based on the problem of specifying a smoke throwing body, which is improved in contrast.
  • the separating means is arranged on the outside of the plastic casing.
  • the at least one separation means on the outside of the plastic sheath which may be, for example, a plastic film, attached, that is, the plastic sheath is attached first, after which the release agent is positioned first.
  • the outside arrangement of the separating means makes it easier to connect it to the ignition means, as which, as will be discussed below, for example, an explosive ejection charge driving the active charge can be used.
  • a plurality of circumferentially spaced separation means are arranged on the outside of the plastic casing.
  • a plurality of circumferentially spaced separation means are arranged on the outside of the plastic casing.
  • the or each resolving agent used may be formed as a coating or as a release film.
  • a pyrotechnic ignitable coating is applied to the plastic coating, for example by brushing or printing or the like.
  • a release film which is preferably adhered to the plastic jacket, is used. This film can be easily applied, especially if it is self-adhesive.
  • the particular resolving agent used should be based on black powder. That is, either a black powder-based coating or a black powder-separating film, a so-called tapematch, is preferably used.
  • the smoke grenade usually has a housing in which the active charge is added together with plastic sheathing.
  • an ignitable ejection charge is provided on the housing side, the or each separating means, in particular separating film, being arranged on the active charge in such a way that it can be ignited by the igniting ejection charge. Due to the fact that the separating means or preferably the separating film is arranged on the outside of the plastic casing, it or it is much easier to bring into the effective range of the igniting ejection charge. The ignition happens because hot particles that are created during ignition can strike the outer separating foil directly so that it can be ignited immediately.
  • the ejection charge is arranged at the bottom of the housing, and the or the separating means along the underside of the active charge or the plastic casing, the ejection charge opposite, are guided.
  • the separating means ie the separating film
  • the underside of the discharge charge is directly opposite, so that igniting the ejection charge directly or the separating means are ignited.
  • Fig. 1 shows a smoke throwing body 1 according to the invention with a pyrotechnic active charge 2, which is arranged in a hollow cylindrical housing 3.
  • the Pyrotechnic active charge 2 serves to generate a fog emitting in the infrared spectral range and opaque in the visual spectral range. It can be formed by means of a plurality of individual, similar active elements and mass elements, which are arranged in a disk or plate stacked together. It is also conceivable, however, to use as active charge 2 two different active bodies made of different materials.
  • the one, possibly also a plurality of active elements and mass elements comprehensive active body causes a temporally fast fog construction, while the other, optionally also several active elements and mass elements comprehensive active body has a long burning time.
  • the active charge 2 is, as will be discussed below, in a plastic casing, preferably in the form of a plastic film, wrapped or welded. This plastic casing is, as will be discussed below, separable when firing the active charge.
  • a discharge charge 4 is provided, which is arranged in the region of the bottom 5 of the housing 3 and is received in a corresponding recess of a base plate 6 arranged there. Their ignition is via an electronic control unit 7.
  • a bore 9 is formed in a gas pressure disk 8 arranged on the housing bottom 5, via which the pressure generated upon ignition of the ejection charge is transmitted to the active charge 2, which is then expelled from the housing 3 closed by a closure cap 10.
  • Fig. 2 shows the active charge 2, which is accommodated in a plastic casing 11, here in the form of a shrunk-on plastic film.
  • This plastic sheath 11 surrounds in the illustrated embodiment, the active charge 2 on all sides, ie in the cylindrical outer surface and the top and bottom surface, wherein Fig. 2 a view of the bottom surface 12 shows.
  • This bottom surface 12 is arranged in the mounting position of the bore 9 opposite one another. Alternatively, the active charge in the area of the top and bottom surfaces can also be partially exposed.
  • a plurality of pyrotechnic separation means 13 are arranged on the outside of the plastic casing 11, with self-adhesive black powder separating films 14 being used here as the separating means.
  • These slides are strip-shaped and, as self-adhesive, can be easily glued over the corresponding adhesive coating on the plastic casing 11. They extend axially along the outside of the plastic casing and are guided so that they intersect at least on the bottom surface 1. In the assembly position, the crossing region 15 lies opposite the bore 9.
  • the release films 14 As a result, upon ignition of the ejection charge 4, the resulting hot particles strike the release films 14 directly in the crossing region 15, so that the release films 14 are ignited immediately and directly Consequently, an immediate separation of the plastic casing 11 in the region of the bottom 12 as well as along the lateral surface comes. If the cover surface is also covered with plastic film, the release films 14 also intersect in the opposite ceiling region, so that the separation takes place there as well.
  • the burning off black powder of the black powder separating films 14 then ignites the active charge 2 itself, which, as described, may consist of only one active mass or one effective mass type, but also of a plurality of individual, possibly also different fog tablets and active mass blocks. This means that on the one hand an immediate and safe separation of the plastic casing is ensured, but also an immediate ignition of the active body itself.
  • Another advantage of the outer separating film 14 is further that it improves the ejection of the received in the plastic casing 11 effective charge from the housing 3. During ejection, the active charge still received in the plastic casing slides on the separating films along the housing inner wall, which leads to a reduction of the friction between the housing 3 and the active charge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Catching Or Destruction (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP16000615.1A 2015-04-01 2016-03-15 Corps fumigenes Active EP3076121B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16000615T PL3076121T3 (pl) 2015-04-01 2016-03-15 Granat dymny

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015004306.4A DE102015004306A1 (de) 2015-04-01 2015-04-01 Nebelwurfkörper

Publications (3)

Publication Number Publication Date
EP3076121A1 true EP3076121A1 (fr) 2016-10-05
EP3076121B1 EP3076121B1 (fr) 2017-04-05
EP3076121B8 EP3076121B8 (fr) 2017-05-31

Family

ID=55542415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16000615.1A Active EP3076121B8 (fr) 2015-04-01 2016-03-15 Corps fumigenes

Country Status (3)

Country Link
EP (1) EP3076121B8 (fr)
DE (1) DE102015004306A1 (fr)
PL (1) PL3076121T3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2018402A (en) * 1978-02-04 1979-10-17 Festivate Ltd Cutting Materials
EP0046230A2 (fr) * 1980-08-20 1982-02-24 Pyrotechnische Fabrik F. Feistel GmbH + Co KG Charge pyrotechnique fumigène enveloppée, sa composition et son procédé de fabrication
DE10226507A1 (de) * 2002-06-14 2003-12-24 Diehl Munitionssysteme Gmbh Nebelwurfkörper
DE102006008309B4 (de) 2006-02-23 2008-03-27 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
EP2146179A2 (fr) * 2008-07-16 2010-01-20 Diehl BGT Defence GmbH & Co.KG Pot fumigène

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2018402A (en) * 1978-02-04 1979-10-17 Festivate Ltd Cutting Materials
EP0046230A2 (fr) * 1980-08-20 1982-02-24 Pyrotechnische Fabrik F. Feistel GmbH + Co KG Charge pyrotechnique fumigène enveloppée, sa composition et son procédé de fabrication
DE10226507A1 (de) * 2002-06-14 2003-12-24 Diehl Munitionssysteme Gmbh Nebelwurfkörper
DE102006008309B4 (de) 2006-02-23 2008-03-27 Diehl Bgt Defence Gmbh & Co. Kg Nebelwurfkörper
EP2146179A2 (fr) * 2008-07-16 2010-01-20 Diehl BGT Defence GmbH & Co.KG Pot fumigène

Also Published As

Publication number Publication date
EP3076121B1 (fr) 2017-04-05
DE102015004306A1 (de) 2016-10-06
EP3076121B8 (fr) 2017-05-31
PL3076121T3 (pl) 2017-10-31

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