EP1348929B1 - Ammunition cartridge with electrically ignited propellant charge - Google Patents

Ammunition cartridge with electrically ignited propellant charge Download PDF

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Publication number
EP1348929B1
EP1348929B1 EP03002494A EP03002494A EP1348929B1 EP 1348929 B1 EP1348929 B1 EP 1348929B1 EP 03002494 A EP03002494 A EP 03002494A EP 03002494 A EP03002494 A EP 03002494A EP 1348929 B1 EP1348929 B1 EP 1348929B1
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EP
European Patent Office
Prior art keywords
piece
base
insulator
opening
casing
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
EP03002494A
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German (de)
French (fr)
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EP1348929A1 (en
Inventor
Heiner Schmees
Lothar Post
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.)
Rheinmetall Waffe Munition GmbH
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Rheinmetall Waffe Munition GmbH
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Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP1348929A1 publication Critical patent/EP1348929A1/en
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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
    • F42B5/08—Cartridges, i.e. cases with charge and missile modified for electric ignition

Definitions

  • the invention relates to a cartridge with a combustible propellant charge sleeve and an electrothermal ignition device, wherein the propellant charge sleeve is connected to a sleeve made of metal sleeve bottom, on the front side a sealing lip is fixed, according to the features of the preamble of claim 1.
  • the ignition of the propellant charge powder takes place by the formation of arc discharges in the interior of the propellant charge powder.
  • located within the propellant charge powder of each cartridge at least one wire-shaped conductor, which is traversed by the ignition of the powder of such a high current that the corresponding wire evaporates explosively. The forming in this process arc then ignites the surrounding propellant charge powder.
  • Such a cartridge is for example from the DE-A-199 36 649 known, wherein a well-insulated electrical contact piece is guided by the existing metal sleeve base, which protrudes substantially on the outside of the bottom piece of the sleeve bottom and can be contacted by a gun-side high voltage electrode.
  • the contact piece is laterally supported by a relatively solid Isolierformteil and is connected to a contact disc to which a plurality of guided by the propellant powder wire-shaped conductor are attached.
  • a cartridge having an electrothermal ignition device which comprises a non-combustible metal propellant sleeve and a metal sleeve base connected to the propellant sleeve.
  • a sleeve bottom-shaped formed insulator is arranged in the sleeve bottom inside, which rests positively on the inside of the sleeve bottom and protrudes into a guided through the bottom piece of the sleeve bottom recess.
  • the insulator is annular in the region of the recess and is supported on the outside of the inner wall of the recess and encloses a likewise projecting from the inside of the sleeve bottom into the recess of the bottom piece electrical contact piece, which is electrically contacted by the outside of the sleeve bottom of a high voltage electrode ,
  • the invention has for its object to provide an easy to manufacture cartridge that allows automatic operation of weapons systems, as it is possible even when using conventional cartridges substantially.
  • the invention is based essentially on the idea - similar to the case mentioned above WO-A-96 29565 - Design the contact piece such that it does not project beyond the front surface of the bottom piece on the outside and that it forms the inside of the contact disc, which is supported over a sleeve bottom-shaped insulator relatively small wall thickness over a large area of the propellant charge shell, so that a corresponding massive insulator molding can be omitted.
  • the sealing lip of the sleeve bottom is integrally connected to the insulator, so that the vulcanization of the insulating layer in this case at the same time the connection (adhesion) to the sleeve bottom and contact disc can be produced.
  • the cartridge according to the invention in which therefore the insulation of the high-voltage parts are fully integrated into the sleeve bottom, is particularly suitable for modern armored cannons with wedge closure.
  • the contact disk is formed at its outer edge of the sealing lip, so that it is avoided when shooting that powder gases get between the insulator and the contact disk.
  • the contact disc it can be glued to the insulator and this with the sleeve bottom.
  • a large caliber cartridge (e.g., for firing from an armored weapon) comprising a combustible propellant charge case 2 and a steel sleeve base 3 having a sealing lip 3 'attached to the front thereof.
  • the cartridge 1 is provided with an electrothermal ignition device 4.
  • This consists essentially of an electrical contact piece 5, which on the one hand projects into a recess 6 of the bottom piece 7 of the sleeve bottom 3 and on the other hand connected to a large, over the entire inner side 8 of the bottom piece 7 extending contact disc 9.
  • the contact disk 9 has a sealing lip 10 at its outer edge.
  • one end 11 of two serving to ignite arcs 12 are attached to the contact disc 9 in each case.
  • the respective other end 13 of the two wires 12 is attached to a contact ring 14 of the propellant charge case 2.
  • the contact disc 9 and the sleeve bottom 3 are electrically isolated from each other by a sleeve bottom-shaped high-voltage resistant insulator 15.
  • the annular region 15 'of the insulator 15 encloses the contact piece 5 projecting into the recess 6.
  • both the outside end 25 of the contact piece 5 and the outside end 26 of the annular area 15 'of the insulator 15 are located slightly opposite the outside surface 27 of the bottom piece 7 in the recess 6.
  • closure-side region of a tank gun 17 is shown with a charged cartridge 1.
  • 18 is a gun barrel and 19 denotes a bottom piece in which a wedge lock with closure wedge 20 is located.
  • closure wedge 20 is a surrounding of an insulation 21, axially displaceably arranged high-voltage electrode 22. This is connected via a supply line 23 to a power source, not shown.
  • the high voltage electrode 22 is automatically shifted in the direction of the contact piece 5 of the cartridge 1 and the front side in a recess 24 of the contact piece 5 pressed ( Figure 3). At the same time presses the insulation 21 of the high voltage electrode 22 on the annular portion 15 'of the insulator 15 of the cartridge 1, so that the electrical connection between the high voltage electrode 22 and the contact piece 5 is completely isolated.
  • both the outside end of the contact piece and the outside end of the annular portion of the insulator can be flush with the outside surface of the bottom piece.
  • the sealing lip 3 'of the sleeve base 3 is integrally connected to the insulator 15. This can be achieved in a simple manner that with the vulcanization of the sealing lip 3 'and thus also of the insulator 15 at the same time a connection (adhesion) to the sleeve bottom 3 and the contact disc 9 is made.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Spark Plugs (AREA)
  • Automotive Seat Belt Assembly (AREA)

Description

Die Erfindung betrifft eine Patrone mit einer verbrennbaren Treibladungshülse und einer elektrothermischen Zündvorrichtung, wobei die Treibladungshülse mit einem aus Metall bestehenden Hülsenboden verbunden ist, an dem vorderseitig eine Dichtlippe befestigt ist, gemäß den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a cartridge with a combustible propellant charge sleeve and an electrothermal ignition device, wherein the propellant charge sleeve is connected to a sleeve made of metal sleeve bottom, on the front side a sealing lip is fixed, according to the features of the preamble of claim 1.

Bei diesen an sich bekannten Patronen erfolgt die Anzündung des Treibladungspulvers durch Ausbildung von Lichtbogenentladungen im Inneren des Treibladungspulvers. Hierzu befindet sich innerhalb des Treibladungspulvers der jeweiligen Patrone mindestens ein drahtförmiger Leiter, der zur Anzündung des Pulvers von einem derart hohen Strom durchflossen wird, daß der entsprechende Draht explosionsartig verdampft. Der sich bei diesem Vorgang ausbildende Lichtbogen zündet dann das umgebende Treibladungspulver an.In these known cartridges, the ignition of the propellant charge powder takes place by the formation of arc discharges in the interior of the propellant charge powder. For this purpose, located within the propellant charge powder of each cartridge at least one wire-shaped conductor, which is traversed by the ignition of the powder of such a high current that the corresponding wire evaporates explosively. The forming in this process arc then ignites the surrounding propellant charge powder.

Eine derartige Patrone ist beispielsweise aus der DE-A-199 36 649 bekannt, wobei durch den aus Metall bestehenden Hülsenboden ein gut isoliertes elektrisches Kontaktstück geführt ist, welches außenseitig wesentlich über das Bodenstück des Hülsenbodens hervorsteht und von einer waffenseitigen Hochspannungselektrode kontaktierbar ist. Innerhalb des Hülsenbodens wird das Kontaktstück durch ein relativ massives Isolierformteil seitlich abgestützt und ist mit einer Kontaktscheibe verbunden, an der mehrere durch das Treibladungspulver geführte drahtförmige Leiter befestigt sind.Such a cartridge is for example from the DE-A-199 36 649 known, wherein a well-insulated electrical contact piece is guided by the existing metal sleeve base, which protrudes substantially on the outside of the bottom piece of the sleeve bottom and can be contacted by a gun-side high voltage electrode. Within the sleeve bottom, the contact piece is laterally supported by a relatively solid Isolierformteil and is connected to a contact disc to which a plurality of guided by the propellant powder wire-shaped conductor are attached.

Nachteilig bei dieser bekannten Patrone ist unter anderem, daß durch das außenseitig hervorstehende Kontaktstück ein automatischer Betrieb der entsprechenden Waffenanlage, insbesondere mit Keilverschlüssen, nicht zu realisieren ist. Außerdem nimmt das zur Abstützung des Kontaktstückes massiv ausgebildete Isolierformteil relativ viel Platz innerhalb der Patrone ein, was der Forderung nach einer hohen Ladedichte des Treibladungspulvers entgegensteht. Schließlich muß die bei Patronen mit verbrennbarer Treibladungshülse üblicherweise auf den Hülsenboden aufzubringende Dichtlippe (vgl. z.B. EP-A-1 092 939 ) in einem separaten Verfahrensschritt auf den Hülsenboden aufvulkanisiert werden.A disadvantage of this known cartridge, among other things, that an automatic operation of the corresponding weapons system, in particular with wedge closures, can not be realized by the externally protruding contact piece. In addition, the massively trained to support the contact piece Isolierformteil takes a lot of space inside the cartridge, which precludes the requirement for a high charging density of the propellant charge powder. Finally, in the case of cartridges with combustible Propellant charge sleeve usually applied to the sleeve bottom sealing lip (see, eg EP-A-1 092 939 ) are vulcanized on the sleeve bottom in a separate process step.

Aus der WO-A-96 29565 ist eine Patrone mit einer elektrothermischen Zündvorrichtung bekannt, die eine nicht verbrennbare, aus Metall bestehende Treibladungshülse und einen mit der Treibladungshülse verbundenen, aus einem Metall bestehenden Hülsenboden umfaßt. Dabei ist in dem Hülsenboden innenseitig ein hülsenbodenförmig ausgebildeter Isolator angeordnet, der formschlüssig an der Innenseite des Hülsenbodens anliegt und in eine durch das Bodenstück des Hülsenbodens hindurchgeführte Ausnehmung hineinragt. Der Isolator ist im Bereich der Ausnehmung ringförmig ausgebildet und stützt sich außenseitig an der Innenwand der Ausnehmung ab und umschließt ein ebenfalls von der Innenseite des Hülsenbodens aus in die Ausnehmung des Bodenstückes ragendes elektrisches Kontaktstück, das von der Außenseite des Hülsenbodens von einer Hochspannungselektrode elektrisch kontaktierbar ist.From the WO-A-96 29565 For example, a cartridge having an electrothermal ignition device is known which comprises a non-combustible metal propellant sleeve and a metal sleeve base connected to the propellant sleeve. In this case, a sleeve bottom-shaped formed insulator is arranged in the sleeve bottom inside, which rests positively on the inside of the sleeve bottom and protrudes into a guided through the bottom piece of the sleeve bottom recess. The insulator is annular in the region of the recess and is supported on the outside of the inner wall of the recess and encloses a likewise projecting from the inside of the sleeve bottom into the recess of the bottom piece electrical contact piece, which is electrically contacted by the outside of the sleeve bottom of a high voltage electrode ,

Ausgehend von der DE-A-199 36 649 liegt der Erfindung die Aufgabe zugrunde, eine einfach herstellbare Patrone anzugeben, die einen automatischen Betrieb von Waffenanlagen erlaubt, wie er im wesentlichen auch bei der Verwendung herkömmlicher Patronen möglich ist.Starting from the DE-A-199 36 649 The invention has for its object to provide an easy to manufacture cartridge that allows automatic operation of weapons systems, as it is possible even when using conventional cartridges substantially.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved by the features of claim 1. Further, particularly advantageous embodiments of the invention disclose the dependent claims.

Die Erfindung beruht im wesentlichen auf dem Gedanken - ähnlich wie im Falle der vorstehend erwähnten WO-A-96 29565 - das Kontaktstück derart auszugestalten, daß es außenseitig nicht über die Vorderfläche des Bodenstückes ragt und daß es innenseitig die Kontaktscheibe bildet, welche sich über einen hülsenbodenförmigen Isolator relativ geringer Wandstärke großflächig an der Treibladungshülse abstützt, so daß ein entsprechend massives Isolatorformteil entfallen kann. Außerdem ist die Dichtlippe des Hülsenbodens einteilig mit dem Isolator verbunden, so daß über die Vulkanisation der Isolierschicht in diesem Falle gleichzeitig die Verbindung (Anhaftung) zum Hülsenboden und zur Kontaktscheibe herstellbar ist.The invention is based essentially on the idea - similar to the case mentioned above WO-A-96 29565 - Design the contact piece such that it does not project beyond the front surface of the bottom piece on the outside and that it forms the inside of the contact disc, which is supported over a sleeve bottom-shaped insulator relatively small wall thickness over a large area of the propellant charge shell, so that a corresponding massive insulator molding can be omitted. In addition, the sealing lip of the sleeve bottom is integrally connected to the insulator, so that the vulcanization of the insulating layer in this case at the same time the connection (adhesion) to the sleeve bottom and contact disc can be produced.

Wie sich gezeigt hat, eignet sich dieses Verfahren hervorragend für eine Serienproduktion erfindungsgemäßer Patronen.As has been shown, this method is outstandingly suitable for mass production of cartridges according to the invention.

Die erfindungsgemäße Patrone, bei der also die Isolierung der hochspannungsführenden Teile voll in den Hülsenboden integriert sind, eignet sich insbesondere für moderne Panzerkanonen mit Keilverschluß.The cartridge according to the invention, in which therefore the insulation of the high-voltage parts are fully integrated into the sleeve bottom, is particularly suitable for modern armored cannons with wedge closure.

Während bei der Patrone, wie sie in der DE-A-199 36 649 offenbart ist, zur Abstützung der Elektrode und des Isolators unter Gasdruck (d.h. bei Schußabgabe) auch Teile des Verschlusses der Waffenanlage benötigt werden, erfolgt bei der erfindungsgemäßen Patrone die Abstützung der Elektrode und des Isolators vollständig über den Hülsenboden der Patrone.While with the cartridge, as in the DE-A-199 36 649 is disclosed, to support the electrode and the insulator under gas pressure (ie at firing) also parts of the closure of the weapon system are required in the cartridge of the invention, the support of the electrode and the insulator completely over the sleeve bottom of the cartridge.

Als vorteilhaft hat es sich erwiesen, wenn die Kontaktscheibe an ihrem äußeren Rand der Dichtlippe ausgebildet ist, so daß beim Schuß vermieden wird, daß Pulvergase zwischen Isolator und die Kontaktscheibe geraten.It has proven to be advantageous if the contact disk is formed at its outer edge of the sealing lip, so that it is avoided when shooting that powder gases get between the insulator and the contact disk.

Zur Befestigung der Kontaktscheibe kann diese mit dem Isolator und dieser mit dem Hülsenboden verklebt werden.To attach the contact disc it can be glued to the insulator and this with the sleeve bottom.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den folgenden anhand von Figuren erläuterten Ausführungsbeispielen. Es zeigen:

  • Fig.1 den Längsschnitt eines hülsenbodenseitigen Bereiches einer erfindungsgemäßen Patrone;
  • Fig.2 und 3 die Anordnung der in Fig.1 dargestellten Patrone in einer Waffe mit Keilverschluß vor und nach der Kontaktierung des elektrischen Kontaktes der Patrone.
Further details and advantages of the invention will become apparent from the following with reference to figures explained embodiments. Show it:
  • 1 shows the longitudinal section of a sleeve bottom side region of a cartridge according to the invention;
  • Figures 2 and 3, the arrangement of the cartridge shown in Figure 1 in a weapon with wedge closure before and after contacting the electrical contact of the cartridge.

In Fig.1 ist mit 1 eine großkalibrige Patrone (z.B. zum Verschießen aus einer Panzerwaffe) bezeichnet, die eine verbrennbare Treibladungshülse 2 und einen aus Stahl bestehenden Hülsenboden 3 mit vorderseitig daran befestigter Dichtlippe 3' umfaßt.In Fig. 1, denoted by 1 is a large caliber cartridge (e.g., for firing from an armored weapon) comprising a combustible propellant charge case 2 and a steel sleeve base 3 having a sealing lip 3 'attached to the front thereof.

Die Patrone 1 ist mit einer elektrothermischen Zündvorrichtung 4 versehen. Diese besteht im wesentlichen aus einem elektrischen Kontaktstück 5, welches einerseits in eine Ausnehmung 6 des Bodenstückes 7 des Hülsenbodens 3 ragt und andererseits mit einer großflächigen, sich über die gesamte Innenseite 8 des Bodenstückes 7 erstreckenden Kontaktscheibe 9 verbunden ist. Die Kontaktscheibe 9 weist an ihrem äußeren Rand eine Dichtlippe 10 auf. Außerdem sind an der Kontaktscheibe 9 jeweils ein Ende 11 zweier zur Zündung von Lichtbögen dienender Drähte 12 befestigt. Das jeweils andere Ende 13 der beiden Drähte 12 ist an einem Kontaktring 14 der Treibladungshülse 2 befestigt.The cartridge 1 is provided with an electrothermal ignition device 4. This consists essentially of an electrical contact piece 5, which on the one hand projects into a recess 6 of the bottom piece 7 of the sleeve bottom 3 and on the other hand connected to a large, over the entire inner side 8 of the bottom piece 7 extending contact disc 9. The contact disk 9 has a sealing lip 10 at its outer edge. In addition, one end 11 of two serving to ignite arcs 12 are attached to the contact disc 9 in each case. The respective other end 13 of the two wires 12 is attached to a contact ring 14 of the propellant charge case 2.

Die Kontaktscheibe 9 und der Hülsenboden 3 sind durch einen hülsenbodenförmig ausgebildeten hochspannungsfesten Isolator 15 elektrisch voneinander isoliert. Dieser bildet innerhalb der Ausnehmung 6 des Bodenstückes 7 einen ringförmigen Bereich 15' und stützt sich außenseitig an der Innenwand 16 der Ausnehmung 6 ab. Außerdem umschließt der ringförmige Bereich 15' des Isolators 15 das in die Ausnehmung 6 ragende Kontaktstück 5.The contact disc 9 and the sleeve bottom 3 are electrically isolated from each other by a sleeve bottom-shaped high-voltage resistant insulator 15. This forms within the recess 6 of the bottom piece 7 an annular portion 15 'and is supported on the outside of the inner wall 16 of the recess 6 from. In addition, the annular region 15 'of the insulator 15 encloses the contact piece 5 projecting into the recess 6.

Wie der Fig.1 zu entnehmen ist, befinden sich sowohl das außenseitige Ende 25 des Kontaktstückes 5 als auch das außenseitige Ende 26 des ringförmigen Bereiches 15' des Isolators 15 etwas gegenüber der Außenfläche 27 des Bodenstückes 7 zurückgesetzt in der Ausnehmung 6.As can be seen from FIG. 1, both the outside end 25 of the contact piece 5 and the outside end 26 of the annular area 15 'of the insulator 15 are located slightly opposite the outside surface 27 of the bottom piece 7 in the recess 6.

In den Fig.2 und 3 ist der verschlußseitige Bereich einer Panzerkanone 17 mit geladener Patrone 1 dargestellt. Dabei ist mit 18 ein Waffenrohr und mit 19 ein Bodenstück bezeichnet, in dem sich ein Keilverschluß mit Verschlußkeil 20 befindet. In dem Verschlußkeil 20 befindet sich eine von einer Isolierung 21 umgebende, axial verschiebbar angeordnete Hochspannungselektrode 22. Diese ist über eine Zuleitung 23 mit einer nicht dargestellten Stromquelle verbunden.2 and 3, the closure-side region of a tank gun 17 is shown with a charged cartridge 1. In this case, 18 is a gun barrel and 19 denotes a bottom piece in which a wedge lock with closure wedge 20 is located. In the closure wedge 20 is a surrounding of an insulation 21, axially displaceably arranged high-voltage electrode 22. This is connected via a supply line 23 to a power source, not shown.

Nach dem Schließen des Verschlußkeiles 20 (Fig.2) wird die Hochspannungselektrode 22 automatisch in Richtung auf das Kontaktstück 5 der Patrone 1 verschoben und vorderseitig in eine Ausnehmung 24 des Kontaktstückes 5 gedrückt (Fig.3). Dabei drückt gleichzeitig die Isolierung 21 der Hochspannungselektrode 22 auf den ringförmigen Bereich 15' des Isolators 15 der Patrone 1, so daß die elektrische Verbindung zwischen der Hochspannungselektrode 22 und dem Kontaktstück 5 vollständig isoliert ist.After closing the closure wedge 20 (Figure 2), the high voltage electrode 22 is automatically shifted in the direction of the contact piece 5 of the cartridge 1 and the front side in a recess 24 of the contact piece 5 pressed (Figure 3). At the same time presses the insulation 21 of the high voltage electrode 22 on the annular portion 15 'of the insulator 15 of the cartridge 1, so that the electrical connection between the high voltage electrode 22 and the contact piece 5 is completely isolated.

Die Erfindung ist selbstverständlich nicht auf das dargestellte Ausführungsbeispiel beschränkt. So können beispielsweise sowohl das außenseitige Ende des Kontaktstückes als auch das außenseitige Ende des ringförmigen Bereiches des Isolators bündig mit der Außenfläche des Bodenstückes abschließen.The invention is of course not limited to the illustrated embodiment. For example, both the outside end of the contact piece and the outside end of the annular portion of the insulator can be flush with the outside surface of the bottom piece.

Als besonders vorteilhaft hat es sich erwiesen, wenn die Dichtlippe 3' des Hülsenbodens 3 einteilig mit dem Isolator 15 verbunden ist. Dadurch kann auf einfache Weise erreicht werden, daß mit dem Aufvulkanisieren der Dichtlippe 3' und damit auch des Isolators 15 gleichzeitig eine Verbindung (Anhaftung) zum Hülsenboden 3 und zur Kontaktscheibe 9 hergestellt wird.It has proven particularly advantageous if the sealing lip 3 'of the sleeve base 3 is integrally connected to the insulator 15. This can be achieved in a simple manner that with the vulcanization of the sealing lip 3 'and thus also of the insulator 15 at the same time a connection (adhesion) to the sleeve bottom 3 and the contact disc 9 is made.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Patronecartridge
22
TreibladungshülseCartridge case
33
Hülsenbodensleeve base
3'3 '
Dichtlippe (Hülsenboden)Sealing lip (sleeve bottom)
44
elektrothermische Zündvorrichtungelectrothermal ignition device
55
Kontaktstückcontact piece
66
Ausnehmung (Bodenstück)Recess (bottom piece)
77
Bodenstückbreech
88th
Innenseiteinside
99
Kontaktscheibecontact disc
1010
Dichtlippe (Kontaktscheibe)Sealing lip (contact disc)
1111
EndeThe End
1212
Drahtwire
1313
EndeThe End
1414
Kontaktringcontact ring
1515
Isolatorinsulator
15'15 '
ringförmiger Bereichannular area
1616
Innenwandinner wall
1717
Panzerkanonetank gun
1818
Waffenrohrbarrel
1919
Bodenstückbreech
2020
Verschlußkeilbreech
2121
Isolierunginsulation
2222
HochspannungselektrodeHigh-voltage electrode
2323
Zuleitungsupply
2424
Ausnehmung (Kontaktstück)Recess (contact piece)
2525
außenseitige Ende (Kontaktstück)outside end (contact piece)
2626
außenseitige Ende (ringförmiger Bereich)outside end (ring-shaped area)
2727
Außenflächeouter surface

Claims (7)

  1. Cartridge with a combustible propellant-charge casing (2) and with an electrothermal detonating device (4), with
    the propellant-charge casing (2) being connected to a metal casing base (3) to the front side of which a sealing lip 3' is attached,
    an insulator (15) being arranged on the inside in the casing base (3), with said insulator (15) lying against the inside (8) of the casing base (3) to provide a form fit and projecting into an opening (6) through the base piece (7) of the casing base (3),
    the insulator (15) being in the form of a ring in the area of the opening (6) and supported on the outside against the inner wall (16) of the opening (6) and enclosing an electrical contact piece (5) that also projects from the inside (8) of the casing base (3) into the opening (6) of the base piece (7), with the electrical contact piece (5) being connected to a contact disk (9) that rests against the insulator (15) to provide a form fit,
    the electrical contact piece (5) being electrically contactable from the outside of the casing base (3) by a high-voltage electrode (22),
    characterized by the features:
    a) the insulator (15) is formed in the shape of the casing base;
    b) the electrical contact piece (5) is connected to the contact disk (9) to form a single piece;
    c) the sealing lip (3') of the casing base (3) and the insulator (15) are connected to each other as a single piece and consist of a butadiene-acrylonitrile rubber
  2. Cartridge according to Claim 1, characterized in that the contact disk (9) extends over the complete inside (8) of the base piece (7) of the casing base (3).
  3. Cartridge according to Claim 1 or 2, characterized in that the contact disk (9) has a sealing lip (10) on its outer edge.
  4. Cartridge according to one of Claims 1 to 3,
    characterized in that the electrical contact piece (5) has an opening (24) into which the high-voltage electrode (22) can be inserted.
  5. Cartridge according to one of Claims 1 to 4,
    characterized in that the opening (6) in the base piece (7) of the casing base (3) and the annular area (15') of the insulator (15) are chosen so that when the electrical contact piece (5) is contacted by the high-voltage electrode (22) the annular area (15') can be contacted by an insulation (21) surrounding the high-voltage electrode (22).
  6. Cartridge according to one of Claims 1 to 5,
    characterized in that both the outer end (25) of the contact piece (5) and the outer end (26) of the annular area (15') of the insulator (15) are arranged flush with the outer surface (27) of the base piece (7) or are arranged set back in the opening (6) relative to the outer surface of the base piece (7).
  7. Cartridge according to one of Claims 1 to 6,
    characterized in that the opening (6) of the base piece (7) passes through the centre of said base piece (7).
EP03002494A 2002-03-26 2003-02-06 Ammunition cartridge with electrically ignited propellant charge Expired - Lifetime EP1348929B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10213465 2002-03-26
DE10213465A DE10213465A1 (en) 2002-03-26 2002-03-26 cartridge

Publications (2)

Publication Number Publication Date
EP1348929A1 EP1348929A1 (en) 2003-10-01
EP1348929B1 true EP1348929B1 (en) 2008-01-09

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US6796243B2 (en) 2004-09-28
DE10213465A1 (en) 2003-10-16

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