EP0375922B1 - Dispositif de lancement pour charges fumigènes, charges explosives ou charges analogues - Google Patents

Dispositif de lancement pour charges fumigènes, charges explosives ou charges analogues Download PDF

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Publication number
EP0375922B1
EP0375922B1 EP89121412A EP89121412A EP0375922B1 EP 0375922 B1 EP0375922 B1 EP 0375922B1 EP 89121412 A EP89121412 A EP 89121412A EP 89121412 A EP89121412 A EP 89121412A EP 0375922 B1 EP0375922 B1 EP 0375922B1
Authority
EP
European Patent Office
Prior art keywords
extension tube
tube
projection system
firing
floor
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 - Lifetime
Application number
EP89121412A
Other languages
German (de)
English (en)
Other versions
EP0375922A2 (fr
EP0375922A3 (fr
Inventor
Frank Abels
Hans-Joachim Dipl.-Ing. Franke
Jürgen Bertelt
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
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Application filed by Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG filed Critical Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Publication of EP0375922A2 publication Critical patent/EP0375922A2/fr
Publication of EP0375922A3 publication Critical patent/EP0375922A3/fr
Application granted granted Critical
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Classifications

    • 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
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • 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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/58—Electric firing mechanisms
    • F41A19/69—Electric contacts or switches peculiar thereto

Definitions

  • the invention relates to a throwing system for fog candles, explosive devices and the like, in which the firing takes place by electrical ignition of a propellant charge.
  • Such throwing systems are described for example in DE-PS 24 20 862 and DE-OS 37 06 213. They consist of a launcher with at least one throwing cup and throwing bodies that can be used in these, the throwing cup having a launch tube open at both ends, which can be closed at the rear by a removable base piece and into the interior of which electrical contact pins, which protrude through the jacket, protrude loaded throwing cup are in electrically conductive connection with contact rings of the throwing body.
  • the throwing cups are designed for a certain effective mass and a defined recoil.
  • the generally introduced throwing cups with a diameter of 76 mm are suitable for firing active weights up to approx. 1100 g. with a recoil pulse of approx. 4.4 kN.
  • a throwing system is known from Austrian patent specification 330 030, in which the launch tube is inserted into a short receiving tube and is supported on the receiving tube with a collar. The bottom of the inserted launch tube is closed with a cover in which the ignition device is accommodated. This cover is screwed to the bottom of the receiving tube, and the electrical wiring for the ignition device is also guided in the bottom cover via this screw connection.
  • This arrangement serves to make the bottom part of the launch tube interchangeable with the electrical wiring and the ignition device, so that assembly and disassembly or due cleaning are facilitated. It is not intended to fire larger or different active masses with this throwing system; moreover, it would also be cumbersome to replace the launch tube.
  • the invention has for its object to provide a throwing system with the features specified above, in which it is possible to use the known throwing cup, ie without interfering with the known throwing system, to shoot higher active masses and to achieve greater ranges without thereby limiting To exceed recoil forces.
  • the basic idea of the invention is to integrate a longer tube into the known throwing cup, from which the larger active mass is fired with a lower powder charge.
  • the invention makes use of the known fact that the barrel length of a gun has a positive effect on the build-up of gas pressure in the gun barrel. This means that, to put it simply, a larger pipe length, with the correct design of the components, can achieve a greater range of the projectiles or, with the same range, can fire higher masses.
  • the larger pipe length serves to fire a larger active mass with approximately the same range and with a lower recoil pulse.
  • Fig. 1 the throwing cup of a known throwing system is shown with a launch tube 1, a mounting ring 2, a mounting block 3, in which in Fig. 1 not visible in the interior of the launch tube 1 nine electrical contact pins 17 are arranged and a receiving collar 4 for the removable base 5.
  • FIG. 2 The conversion of this throwing cup by inserting an extension tube is shown in Fig. 2.
  • an extension tube 7 is inserted from the front in the direction of arrow E (FIG. 2), which has a retaining collar 8 acting as a stop on its outer circumference.
  • contact rings 9 are arranged on the circumference in a manner explained in more detail below.
  • the propellant charge assembly 10, which is explained in more detail below, is arranged on the closed rear side of the extension tube 7.
  • the retaining collar 8 lies against the front end of the launch tube 1, as can be seen, for example, from FIG. 4.
  • extension tube 7 with an inserted throwing body 14 is shown in more detail.
  • the extension tube 7 consists of a molded plastic part with a molded-on retaining collar 8 and circumferential grooves, in which contact rings 9 are arranged, which for example consist of a self-adhesive contact foil, preferably in a gold-plated design.
  • a propellant charge assembly 10 is arranged at the rear end of the extension tube 7, which is closed with a base 7.1. It has a propellant charge screw 12, which is screwed into a central opening of the base 7.1 by means of a receiving thread 13 and which contains the propellant charge and an ignition device and is connected to the contact rings 9 via conductor tracks (not shown).
  • a protective cap 11 is arranged on the outside of the base 7.1.
  • a throwing body 14 is arranged in the extension tube 7, the diameter of which essentially corresponds to the inside diameter of the extension tube 7. At its rear end, the throwing body 14 has an annular guide edge 16 which, when the throwing body is inserted, sits on the floor 7.1 and, as can be seen from FIG. 3, encloses an expansion chamber 15 which is arranged between the bottom 7.1 and the underside of the throwing body 14.
  • the extension tube 4 shows the extension tube inserted into the throwing cup with the throwing body inserted.
  • the retaining collar 8 is arranged on the extension tube 7 such that in the inserted state the extension tube 7 protrudes from the launch tube 1 at both ends and the contact pins 17 of the throwing cup lie opposite the contact rings 9 of the extension tube and are in electrically conductive contact with them, so that The ignition current can be conducted to the propellant charge screw 12 via the contact pins 17 and the contact rings 9 as well as the conductor tracks (not shown) in order to ignite the propellant charge.
  • the space required for the expansion of the propellant gases is given by the expansion chamber 15 in the bottom of the throwing body 14. This ensures that a 12% longer guide path is achieved and a more favorable effect of the gas pressure is generated.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Elimination Of Static Electricity (AREA)
  • Toys (AREA)
  • Ceramic Products (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (8)

  1. Système de lancement de fumigènes, de corps explosifs ou similaires, dans lequel le tir s'effectue par mise à feu électrique d'une charge propulsive (12), comprenant un dispositif de lancement muni d'au moins un cylindre de lancement susceptible de recevoir un corps à lancer (14), le cylindre de lancement étant muni d'un tube de tir (1) ouvert aux deux extrémités, dont la paroi est traversée par des bornes de contact électriques (17), et d'un tube de prolongement (7) enfichable dans le tube de tir (1) et fermé à une extrémité par un fond (7.1), dont le diamètre extérieur correspond essentiellement au diamètre intérieur du tube de tir (1) et dont la longueur est supérieure à la longueur du tube de tir (1), le tube de prolongement (7) étant muni à l'extérieur d'au moins une butée (8) qui limite la profondeur d'enfichage et, dans la position enfichée, est en contact avec la partie avant du tube de tir (1), des anneaux de contact (9) étant disposés sur la paroi du tube de prolongement, qui, dans la position enfichée, sont reliés électriquement, d'une part, aux bornes de contact (17) et, d'autre part, à un détonateur (12) disposé au fond (7.1) du tube de prolongement (7) pour mettre à feu une charge propulsive.
  2. Système de lancement selon la revendication 1, caractérisé en ce que la butée (8) est disposée sur le tube de prolongement (7) de manière que, dans la position enfichée du tube de prolongement (7) dans le tube de tir (1), le tube de prolongement (7) s'étend vers l'extérieur par les deux extrémités du tube de tir (1).
  3. Système de lancement selon la revendication 1 ou 2, caractérisé en ce que la butée est formée par une collerette (8) entourant le tube de prolongement (7).
  4. Système de lancement selon la revendication 3, caractérisé en ce que le tube de prolongement (7) est une pièce moulée en matière plastique, la collerette (8) formant corps avec la pièce moulée et les anneaux de contact (9) étant disposés dans des gorges périphériques de la pièce moulée en matière plastique.
  5. Système de lancement selon la revendication 4, caractérisé en ce que les anneaux de contact (9) sont formés de feuilles de contact collées dans les gorges.
  6. Système de lancement selon les revendications 1 à 5, caractérisé par des corps à lancer (14) dont le diamètre extérieur correspond essentiellement au diamètre intérieur du tube de prolongement (7), et qui sont munis à l'arrière d'un bord de guidage (16) en forme de couronne qui, lorsqu'un corps à lancer (14) est disposé dans le tube de prolongement (7), appuie au fond (7.1) du tube de prolongement (7) et délimite une chambre d'expansion (15) entre le fond (7.1) du tube de prolongement (7) et l'arrière du corps à lancer (14).
  7. Système de lancement selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la charge propulsive et le détonateur sont disposés dans un écrou (12) de charge propulsive vissé dans le fond (7.1) du tube de prolongement (7), un capot de protection (11) étant disposé à l'extérieur du fond (7.1).
  8. Système de lancement selon la revendications 1, caractérisé en ce que le tube de tir (1) peut être obturé à son derrière par un bloc de base (5).
EP89121412A 1988-12-30 1989-11-18 Dispositif de lancement pour charges fumigènes, charges explosives ou charges analogues Expired - Lifetime EP0375922B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3844300A DE3844300C2 (de) 1988-12-30 1988-12-30 Wurfsystem für Nebelkerzen, Sprengkörper und dergleichen
DE3844300 1988-12-30

Publications (3)

Publication Number Publication Date
EP0375922A2 EP0375922A2 (fr) 1990-07-04
EP0375922A3 EP0375922A3 (fr) 1992-01-08
EP0375922B1 true EP0375922B1 (fr) 1996-01-31

Family

ID=6370510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121412A Expired - Lifetime EP0375922B1 (fr) 1988-12-30 1989-11-18 Dispositif de lancement pour charges fumigènes, charges explosives ou charges analogues

Country Status (3)

Country Link
EP (1) EP0375922B1 (fr)
DE (2) DE3844300C2 (fr)
NO (1) NO171036C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004848A1 (de) * 1990-02-16 1991-08-22 Wegmann & Co Vorrichtung zum induktiven zuenden der treibladung von wurfkoerpern und geschossen, insbesondere in einem wurfsystem fuer nebelkerzen, sprengkoerper u. dgl.
DE4337680C2 (de) * 1993-11-04 1995-08-24 Buck Chem Tech Werke Zweikomponenten-Nebelwurfkörper
DE19602148C2 (de) * 1996-01-22 2000-04-20 Nico Pyrotechnik Einstückiger Kontaktkopf für einen Nebelwurfkörper
DE102009009084A1 (de) * 2009-02-14 2010-08-19 Krauss-Maffei Wegmann Gmbh & Co. Kg Wirkmittelwurfsystem zum Abschuss nicht-letaler Wirkmittel von einem Fahrzeug, insbesondere einem Polizei- oder Militärfahrzeug
WO2018080412A2 (fr) 2016-08-31 2018-05-03 Sft Makina Elektronik Sanayi Ve Ticaret Limited Sirketi Nouveauté apportée à un lance-grenades fumigènes de 76 mm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT330030B (de) * 1973-02-15 1976-06-10 Urbach Ing Erich Werfer
DE2420862C2 (de) * 1974-04-30 1984-10-31 Wegmann & Co, 3500 Kassel Wurfsystem für Nebelkerzen und Sprengkörper
DE8603067U1 (fr) * 1986-02-06 1987-06-04 Salgad International Ltd., Cayman, Jm
DE3706213C2 (de) * 1987-02-26 1998-04-09 Wegmann & Co Gmbh Wurfbecher für Wurfkörper, wie Nebelkerzen und dergleichen

Also Published As

Publication number Publication date
NO171036C (no) 1993-01-13
DE58909589D1 (de) 1996-03-14
EP0375922A2 (fr) 1990-07-04
NO894657D0 (no) 1989-11-22
NO171036B (no) 1992-10-05
EP0375922A3 (fr) 1992-01-08
NO894657L (no) 1990-07-02
DE3844300A1 (de) 1990-07-05
DE3844300C2 (de) 1998-05-07

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