EP2221576B1 - Method for inserting built-in break points into a ring shaped drivingband and obturator of a sabot projectile and tool for carrying out the method - Google Patents

Method for inserting built-in break points into a ring shaped drivingband and obturator of a sabot projectile and tool for carrying out the method Download PDF

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Publication number
EP2221576B1
EP2221576B1 EP09015605.0A EP09015605A EP2221576B1 EP 2221576 B1 EP2221576 B1 EP 2221576B1 EP 09015605 A EP09015605 A EP 09015605A EP 2221576 B1 EP2221576 B1 EP 2221576B1
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EP
European Patent Office
Prior art keywords
sealing strip
retaining
receiving mechanism
predetermined breaking
shaped
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.)
Not-in-force
Application number
EP09015605.0A
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German (de)
French (fr)
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EP2221576A2 (en
EP2221576A3 (en
Inventor
Thomas Heitmann
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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Publication of EP2221576A2 publication Critical patent/EP2221576A2/en
Publication of EP2221576A3 publication Critical patent/EP2221576A3/en
Application granted granted Critical
Publication of EP2221576B1 publication Critical patent/EP2221576B1/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
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/02—Driving bands; Rotating bands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor
    • F42B14/064—Sabots enclosing the rear end of a kinetic energy projectile, i.e. having a closed disk shaped obturator base and petals extending forward from said base
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor
    • F42B14/067—Sealing aspects in sabots, e.g. sealing between individual segments of the sabots or sealing between the outer surface of the sabot and the inner surface of the barrel

Definitions

  • the invention relates to a method for introducing predetermined breaking points in an annular retaining and sealing strip of a sabot projectile with shock-absorbing cage, wherein the holding and sealing strip is arranged on a portion of a segmented by at least two longitudinal slots receiving device, which segmented the drive element with at least two longitudinal slots Guide cage of shock-absorbing cage connects.
  • the invention further relates to a laboratory tool for carrying out the method.
  • EP 0 580 511 A1 discloses a method according to the preamble of claim 1, as well as a laboratory tool for introducing predetermined breaking points in an annular retaining and sealing strip of a sabot projectile with shock absorber cage.
  • the invention has for its object to provide a method to be introduced with the predetermined breaking points in the holding and guiding band of a - in particular large-caliber -maschinegorifiggeunteres with shock-absorbing cage in a cost effective manner. Furthermore, a laboratory tool is to be disclosed with which the method according to the invention can be carried out.
  • the invention is based essentially on the idea that after the application of the holding and sealing strip on the receiving device, but before the mounting of the guide cage, in the region of the longitudinal slots of the receiving device covering holding and sealing strip notch-shaped predetermined breaking points from the inside with the aid of cutting tools be introduced into the holding and sealing strip, wherein the longitudinal slots of the segmented receiving device are used for lateral guidance of the blade-shaped tools.
  • the anchorage in the holding and sealing strip is always positioned with sufficient accuracy.
  • the notch effect is enhanced by the compression of the holding and sealing strip effected by the tube wall when the corresponding projectile assembly is launched through the pipe wall by the use of an inner anchorage in the region of the longitudinal slots of the holding and sealing strip.
  • the introduction of the notch-shaped predetermined breaking points in the holding and sealing strip are preferably formed by the press fit of tether to the receiving device, but can also be created by an axial displacement of the blade-shaped tools become.
  • the laboratory tool preferably comprises an annular head part, which is at least partially axially slidable onto the receiving device, and which has at the head part a number of segments of the receiving device corresponding number of knife-shaped cutting tools with outwardly directed cutting. These extend axially in front of the head part, such that, when the head part is pushed onto the receiving device, the holding and sealing strip located behind this push-on area are provided with the corresponding notch-shaped predetermined breaking points.
  • Fig.1 is denoted by 1 as a sabot projectile, large caliber training projectile (for example, a 120 mm training projectile for firing from a tank gun), which includes a subcaliber projectile body 2 with a conical structure 3 and a shock-absorbing cage 4.
  • large caliber training projectile for example, a 120 mm training projectile for firing from a tank gun
  • the shock-absorbing cage 4 consists essentially of a rear side acting on the projectile body 2 driving element 5 (also referred to as pusher plate), a front of the driving element 5 subsequent cylindrical, segmented by two opposite longitudinal slots guide cage 6 and arranged in the front region of the guide cage 6, extending radially inwardly extending and the projectile body 2 holding segmented support wall. 7
  • connection between the guide cage 6 and the drive element 5 is effected by means of a likewise segmented by two opposite longitudinal slots 8 receiving device 9, which is the rear side non-positively connected by means of an adhesive connection with the drive element 5.
  • the two shell-shaped segments 10, 11 of the receiving device 9 (and thus the two shell-shaped segments 12, 13 of the guide cage 6) are held together by an existing example of plastic, annular holding and sealing strip 14, which on a rear portion 15 of the receiving device. 9 is arranged.
  • a laboratory tool 17 ( Fig.5-7 ), which comprises an annular head portion 18 which is at least partially axially slidable onto the front portion of the receiving device 9 and therefore has an inner diameter which corresponds approximately to the outer diameter of the front portion 19 of the receiving device 9.
  • two opposite (preferably interchangeable) knife-shaped cutting tools 20 are fixed with outwardly directed cutting 21, which extend axially in front of the head part 18 and are arranged on the head part 18 that when pushing the head part 18 on the Receiving device 9 located behind this Aufschiebe Suite 19 of the receiving device 9 holding and sealing strip 14 are provided with the corresponding notch-shaped predetermined breaking points 16.
  • the introduction of the predetermined breaking points 16 in the holding and sealing strip 14 takes place before the assembly of the guide cage 6, and preferably simultaneously with the application of the holding and sealing strip 14 on the receiving device 9.
  • the annular head portion 18 of the laboratory 17 serves as a pressing tool for the axial displacement of the holding and sealing strip 14 on the receiving device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Emergency Lowering Means (AREA)
  • Earth Drilling (AREA)
  • Automatic Assembly (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Einbringen von Sollbruchstellen in ein ringförmiges Halte- und Dichtungsband eines Treibkäfiggeschosses mit Stoßtreibkäfig, wobei das Halte- und Dichtungsband auf einem Teilbereich einer durch mindestens zwei Längsschlitze segmentierten Aufnahmeeinrichtung angeordnet ist, die das Treibelement mit dem durch mindestens zwei Längsschlitze segmentierten Führungskäfig des Stoßtreibkäfigs verbindet. Die Erfindung bezieht sich ferner auf ein Laborierwerkzeug zur Durchführung des Verfahrens.The invention relates to a method for introducing predetermined breaking points in an annular retaining and sealing strip of a sabot projectile with shock-absorbing cage, wherein the holding and sealing strip is arranged on a portion of a segmented by at least two longitudinal slots receiving device, which segmented the drive element with at least two longitudinal slots Guide cage of shock-absorbing cage connects. The invention further relates to a laboratory tool for carrying out the method.

Bei bekannten großkalibrigen Treibkäfiggeschossen, die jeweils einen unterkalibrigen Penetrator und einen durch Längsschlitze segmentierten Mittentreibkäfig (2-Flansch-Treibkäfig) umfassen, werden die Treibkäfigsegmente vor dem Verschießen unter anderem durch das auf dem heckseitigen Flansch angeordnete Führungs- und Dichtungsband zusammengehalten. Um ein reproduzierbares Ablösen der Treibkäfigsegmente zu erreichen, sobald das Treibkäfiggeschoss die Mündung des entsprechenden Waffenrohres passiert hat, werden üblicherweise in das Führungsband Sollbruchstellen eingefräst, die ein definiertes Reißen der Treibkäfigsegmente entlang der Längsschlitze bewirken.In known large-caliber sabot projectiles, each comprising a sub-caliber penetrator and a segmented by longitudinal slots Mittreibreibkäfig (2-flange sabot), the sabot segments are held together prior to firing, inter alia, by the arranged on the rear flange guide and sealing strip. In order to achieve a reproducible detachment of the sabot segments as soon as the sabot projectile has passed the mouth of the corresponding weapon barrel, predetermined breaking points are usually milled into the guide band, which cause a defined tearing of the sabot segments along the longitudinal slots.

Nachteilig ist bei diesen bekannten Treibkäfiggeschossen das mit dem Fräsen verbundene, relativ kostenaufwendige Einbringen der Sollbruchstellen in das Dichtungsband.A disadvantage of these known sabot projectiles associated with the milling, relatively expensive introduction of the predetermined breaking points in the sealing strip.

Bei großkalibrigen Treibkäfiggeschossen mit Stoßtreibkäfig schließt sich vorderseitig an das Treibelement des Stoßtreibkäfigs ein durch Längsschlitze segmentierter Führungskäfig an, welcher heckseitig über eine segmentierte Aufnahmeeinrichtung mit dem Treibelement und vorderseitig mit einer Führungsscheibe verbunden ist. Dabei wird die segmentierte Aufnahmeeinrichtung durch ein Halte- und Dichtungsband zusammengehalten.In large-caliber sabot projectiles with Stoßtreibkäfig the front side of the driving element of the shock-absorbing cage segmented by longitudinal slots guide cage connects to the rear side is connected via a segmented receiving device with the drive element and the front side with a guide disc. The segmented receiving device is held together by a holding and sealing strip.

Um auch bei derartigen Treibkäfiggeschossen ein definiertes Ablösen der Segmente der Aufnahmeeinrichtung einschließlich der Segmente des Führungskäfigs nach Schussabgabe sicherzustellen, wäre es an sich naheliegend, ebenfalls Sollbruchstellen in das Halte- und Dichtungsband einzufräsen. Allerdings wäre auch in diesem Fall der Aufwand für den Fräsvorgang relativ zeit- und kostenaufwendig.In order to ensure a defined detachment of the segments of the receiving device including the segments of the guide cage after firing, even with such sabot projectiles, it would be obvious to also milling predetermined breaking points in the holding and sealing strip. However, even in this case, the effort for the milling process would be relatively time consuming and expensive.

EP 0 580 511 A1 offenbart ein Verfahren gemäss des Oberbegriffs des Anspruchs 1, sowie ein Laborierwerkzeug zum Einbringen von Sollbruchstellen in ein ringförmiges Halte- und Dichtungsband eines Treibkäfiggeschosses mit Stosstreibkäfig. EP 0 580 511 A1 discloses a method according to the preamble of claim 1, as well as a laboratory tool for introducing predetermined breaking points in an annular retaining and sealing strip of a sabot projectile with shock absorber cage.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren anzugeben, mit dem Sollbruchstellen in das Halte- und Führungsband eines -insbesondere großkalibrigen- Treibkäfiggeschosses mit Stoßtreibkäfig auf kostengünstige Weise eingebracht werden. Ferner soll ein Laborierwerkzeug offenbart werden, mit dem das erfindungsgemäße Verfahren durchführbar ist.The invention has for its object to provide a method to be introduced with the predetermined breaking points in the holding and guiding band of a - in particular large-caliber - Treibkäfiggeschosses with shock-absorbing cage in a cost effective manner. Furthermore, a laboratory tool is to be disclosed with which the method according to the invention can be carried out.

Diese Aufgabe wird erfindungsgemäß hinsichtlich des Verfahrens durch die Merkmale des Anspruchs 1 und hinsichtlich des Laborierwerkzeuges durch die Merkmale des Anspruchs 4 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved with respect to the method by the features of claim 1 and with respect to the Laborierwerkzeuges by the features of claim 4. Further, particularly advantageous embodiments of the invention disclose the dependent claims.

Die Erfindung beruht im Wesentlichen auf dem Gedanken, dass nach dem Aufbringen des Halte- und Dichtungsbandes auf die Aufnahmeeinrichtung, aber vor der Montage des Führungskäfigs, im Bereich des die Längsschlitze der Aufnahmeeinrichtung überdeckenden Halte- und Dichtungsbandes kerbenförmige Sollbruchstellen von der Innenseite mit Hilfe schneidenförmiger Werkzeuge in das Halte- und Dichtungsband eingebracht werden, wobei die Längsschlitze der segmentierten Aufnahmeeinrichtung zur seitlichen Führung der schneidenförmigen Werkzeuge verwendet werden.The invention is based essentially on the idea that after the application of the holding and sealing strip on the receiving device, but before the mounting of the guide cage, in the region of the longitudinal slots of the receiving device covering holding and sealing strip notch-shaped predetermined breaking points from the inside with the aid of cutting tools be introduced into the holding and sealing strip, wherein the longitudinal slots of the segmented receiving device are used for lateral guidance of the blade-shaped tools.

Durch die Anpassung der schneidenförmigen Werkzeuge an die Längsschlitze der Aufnahmeeinrichtung ist die Ankerbung in dem Halte- und Dichtungsband immer ausreichend genau positioniert. Außerdem wird durch die Verwendung einer innenseitigen Ankerbung im Bereich der Längsschlitze des Halte- und Dichtungsbandes die Kerbwirkung durch das beim Abschuss der entsprechenden Geschossanordnung durch die Rohrwandung bewirkte Zusammenpressen des Halte- und Dichtungsbandes verstärkt.By adapting the blade-shaped tools to the longitudinal slots of the receiving device, the anchorage in the holding and sealing strip is always positioned with sufficient accuracy. In addition, the notch effect is enhanced by the compression of the holding and sealing strip effected by the tube wall when the corresponding projectile assembly is launched through the pipe wall by the use of an inner anchorage in the region of the longitudinal slots of the holding and sealing strip.

Das Einbringen der kerbenförmigen Sollbruchstellen in das Halte- und Dichtungsband entstehen bevorzugt durch den Presssitz von Halteband zur Aufnahmeeinrichtung, können aber auch durch ein axiales Verschieben der schneidenförmigen Werkzeuge geschaffen werden.The introduction of the notch-shaped predetermined breaking points in the holding and sealing strip are preferably formed by the press fit of tether to the receiving device, but can also be created by an axial displacement of the blade-shaped tools become.

Besonders vorteilhaft ist es, wenn das Einbringen der kerbenförmigen Sollbruchstellen in das Halte- und Dichtungsband bei dem Aufbringen des Halte- und Dichtungsbandes auf die Aufnahmeeinrichtung erfolgt, weil dann separate Arbeitsgänge für das Einbringen der Sollbruchstellen entfallen können.It when inserting the notch-shaped predetermined breaking points in the holding and sealing strip in the application of the holding and sealing strip is carried out on the receiving device, because then separate operations can be omitted for the introduction of the predetermined breaking points is particularly advantageous.

Das Laborierwerkzeug umfasst vorzugsweise ein ringförmiges Kopfteil, welches mindestens teilweise axial auf die Aufnahmeeinrichtung aufschiebbar ist, und das an dem Kopfteil eine der Anzahl der Segmente der Aufnahmeeinrichtung entsprechende Anzahl messerförmiger Schneidwerkzeuge mit nach außen gerichteten Schneiden aufweist. Diese erstrecken sich axial vor das Kopfteil, derart, dass beim Aufschieben des Kopfteiles auf die Aufnahmeeinrichtung das hinter diesem Aufschiebebereich befindliche Halte- und Dichtungsband mit den entsprechenden kerbenförmigen Sollbruchstellen versehen werden.The laboratory tool preferably comprises an annular head part, which is at least partially axially slidable onto the receiving device, and which has at the head part a number of segments of the receiving device corresponding number of knife-shaped cutting tools with outwardly directed cutting. These extend axially in front of the head part, such that, when the head part is pushed onto the receiving device, the holding and sealing strip located behind this push-on area are provided with the corresponding notch-shaped predetermined breaking points.

Mit dieser konstruktiven Lösung wird ein kostengünstiges KE- Üb -Geschoss aufgezeigt.With this constructive solution, a cost-effective KE-Ü projectile is shown.

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

Fig.1
einen Längsschnitt durch ein Treibkäfiggeschoss mit Stoßtreibkäfig, wobei an dem heckseitigen Treibelement eine durch zwei gegenüberliegende Längsschlitze segmentierte Aufnahmeeinrichtung angeordnet ist, deren Segmente von einem mit Sollbruchstellen versehenen Halte- und Dichtungsband zusammengehalten werden;
Fig.2
einen Längsschnitt des in Fig.1 dargestellten Treibelementes mit segmentierter Aufnahmeeinrichtung und Halte- und Dichtungsband, wobei der Längsschnitt in der Ebene der die beiden Segmente trennenden Längsschlitze liegt;
Fig.3
einen Querschnitt entlang der in Fig.2 mit III-III bezeichneten Schnittlinie;
Fig.4
eine vergrößerte Darstellung des in Fig.3 mit IV bezeichneten Bereiches;
Fig.5
eine Draufsicht auf ein Laborierwerkzeug zum Einbringen von Sollbruchstellen in das Halte- und Dichtungsband;
Fig.6
einen Querschnitt entlang der in Fig.5 mit VI-VI bezeichneten Schnittlinie und
Fig.7
eine Seitenansicht der linken Seite des in Fig.5 dargestellten Laborierwerkzeuges.
Further details and advantages of the invention will become apparent from the following, with reference to figures explained embodiments. Show it:
Fig.1
a longitudinal section through a sabot floor with shock-absorbing cage, wherein on the rear-side drive element segmented by two opposite longitudinal slots receiving device is arranged, the segments of which are held together by a holding and sealing strip provided with predetermined breaking points;
Fig.2
a longitudinal section of in Fig.1 illustrated drive element with segmented receiving device and holding and sealing strip, wherein the longitudinal section is in the plane of the two segments separating longitudinal slots;
Figure 3
a cross section along in Fig.2 III-III section line;
Figure 4
an enlarged view of the in Figure 3 area designated IV;
Figure 5
a plan view of a laboratory tool for introducing predetermined breaking points in the holding and sealing strip;
Figure 6
a cross section along in Figure 5 with VI-VI designated cutting line and
Figure 7
a side view of the left side of the in Figure 5 shown Laborierwerkzeuges.

In Fig.1 ist mit 1 ein als Treibkäfiggeschoss ausgebildetes, großkalibriges Übungsgeschoss (beispielsweise ein 120 mm Übungsgeschoss zum Verschießen aus einer Panzerkanone) bezeichnet, das einen unterkalibrigen Geschosskörper 2 mit einem Kegelleitwerk 3 und einen Stoßtreibkäfig 4 umfasst.In Fig.1 is denoted by 1 as a sabot projectile, large caliber training projectile (for example, a 120 mm training projectile for firing from a tank gun), which includes a subcaliber projectile body 2 with a conical structure 3 and a shock-absorbing cage 4.

Der Stoßtreibkäfig 4 besteht im Wesentlichen aus einem heckseitig auf den Geschosskörper 2 wirkenden Treibelement 5 (auch als Pusherplatte bezeichnet), einem sich vorderseitig an das Treibelement 5 anschließenden zylinderförmigen, durch zwei gegenüberliegende Längsschlitze segmentierten Führungskäfig 6 und einer im vorderen Bereich des Führungskäfigs 6 angeordneten, sich radial einwärts erstreckenden und den Geschosskörper 2 haltenden segmentierten Stützwand 7.The shock-absorbing cage 4 consists essentially of a rear side acting on the projectile body 2 driving element 5 (also referred to as pusher plate), a front of the driving element 5 subsequent cylindrical, segmented by two opposite longitudinal slots guide cage 6 and arranged in the front region of the guide cage 6, extending radially inwardly extending and the projectile body 2 holding segmented support wall. 7

Die Verbindung zwischen dem Führungskäfig 6 und dem Treibelement 5 erfolgt mit Hilfe einer ebenfalls durch zwei gegenüberliegende Längsschlitze 8 segmentierten Aufnahmeeinrichtung 9, welche heckseitig kraftschlüssig mittels einer Klebeverbindung mit dem Treibelement 5 verbunden ist. Die beiden schalenförmigen Segmente 10, 11 der Aufnahmeeinrichtung 9 (und damit auch die beiden schalenförmigen Segmente 12, 13 des Führungskäfigs 6) werden durch ein beispielsweise aus Kunststoff bestehendes, ringförmiges Halte- und Dichtungsband 14 zusammengehalten, welches auf einem hinteren Bereich 15 der Aufnahmeeinrichtung 9 angeordnet ist.The connection between the guide cage 6 and the drive element 5 is effected by means of a likewise segmented by two opposite longitudinal slots 8 receiving device 9, which is the rear side non-positively connected by means of an adhesive connection with the drive element 5. The two shell-shaped segments 10, 11 of the receiving device 9 (and thus the two shell-shaped segments 12, 13 of the guide cage 6) are held together by an existing example of plastic, annular holding and sealing strip 14, which on a rear portion 15 of the receiving device. 9 is arranged.

Um ein definiertes Ablösen der Segmente 10, 11 der Aufnahmeeinrichtung 9 (und damit auch der Segmente 12, 13 des Führungskäfigs 6) nach Schussabgabe sicherzustellen, sind erfindungsgemäß innenseitig im Bereich des die Längsschlitze 8 der Aufnahmeeinrichtung 9 überdeckenden Halte- und Dichtungsbandes 14 kerbenförmige Sollbruchstellen 16 in dem Halte- und Dichtungsband 14 vorgesehen (vgl. Fig.3 und Fig.4).In order to ensure a defined detachment of the segments 10, 11 of the receiving device 9 (and thus also the segments 12, 13 of the guide cage 6) after firing, according to the invention 14 notch-shaped predetermined breaking points 16 inside the region of the holding slots and sealing strip 14 covering the longitudinal slots 8 of the receiving device provided in the holding and sealing strip 14 (see. Fig.3 and Fig.4 ).

Das Einbringen dieser Sollbruchstellen 16 erfolgt mit Hilfe eines Laborierwerkzeuges 17 (Fig.5-7), welches ein ringförmiges Kopfteil 18 umfasst, das mindestens teilweise axial auf den vorderen Bereich der Aufnahmeeinrichtung 9 aufschiebbar ist und daher einen Innendurchmesser aufweist, welcher etwa dem Außendurchmesser des vorderen Bereiches 19 der Aufnahmeeinrichtung 9 entspricht.The introduction of these predetermined breaking points 16 takes place with the aid of a laboratory tool 17 ( Fig.5-7 ), which comprises an annular head portion 18 which is at least partially axially slidable onto the front portion of the receiving device 9 and therefore has an inner diameter which corresponds approximately to the outer diameter of the front portion 19 of the receiving device 9.

An dem Kopfteil 18 des Laborierwerkzeuges 17 sind zwei gegenüberliegende (vorzugsweise auswechselbare) messerförmige Schneidwerkzeuge 20 mit nach außen gerichteten Schneiden 21 befestigt, welche sich axial vor das Kopfteil 18 erstrecken und derart an dem Kopfteil 18 angeordnet sind, dass beim Aufschieben des Kopfteiles 18 auf die Aufnahmeeinrichtung 9 das hinter diesem Aufschiebebereich 19 der Aufnahmeeinrichtung 9 befindliche Halte- und Dichtungsband 14 mit den entsprechenden kerbenförmigen Sollbruchstellen 16 versehen werden.At the head portion 18 of the laboratory tool 17 two opposite (preferably interchangeable) knife-shaped cutting tools 20 are fixed with outwardly directed cutting 21, which extend axially in front of the head part 18 and are arranged on the head part 18 that when pushing the head part 18 on the Receiving device 9 located behind this Aufschiebebereich 19 of the receiving device 9 holding and sealing strip 14 are provided with the corresponding notch-shaped predetermined breaking points 16.

Die Einbringung der Sollbruchstellen 16 in das Halte- und Dichtungsband 14 erfolgt dabei vor der Montage des Führungskäfigs 6, und zwar vorzugsweise gleichzeitig mit dem Aufbringen des Halte- und Dichtungsbandes 14 auf die Aufnahmeeinrichtung 9. Dabei dient das ringförmige Kopfteil 18 des Laborierwerkzeuges 17 als Presswerkzeug zur axialen Verschiebung des Halte- und Dichtungsbandes 14 auf die Aufnahmeeinrichtung 9.The introduction of the predetermined breaking points 16 in the holding and sealing strip 14 takes place before the assembly of the guide cage 6, and preferably simultaneously with the application of the holding and sealing strip 14 on the receiving device 9. In this case, the annular head portion 18 of the laboratory 17 serves as a pressing tool for the axial displacement of the holding and sealing strip 14 on the receiving device. 9

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
TreibkäfiggeschossSabot projectile
22
Geschosskörperprojectile body
33
Kegelleitwerkcone rudder
44
StoßtreibkäfigShock sabot
55
Treibelementdriving element
66
Führungskäfigguide cage
77
Stützwandretaining wall
88th
Längsschlitzlongitudinal slot
99
Aufnahmeeinrichtungrecording device
10,1110.11
Segmente (Aufnahmeeinrichtung)Segments (receiving device)
12,1312.13
Segmente (Führungskäfig)Segments (guide cage)
1414
Halte- und DichtungsbandHolding and sealing tape
1515
hintere Bereich, Teilbereichrear area, subarea
1616
SollbruchstelleBreaking point
1717
LaborierwerkzeugLaborierwerkzeug
1818
Kopfteilheadboard
1919
vordere Bereich, Aufschiebebereichfront area, postponement area
2020
Schneidwerkzeugcutting tool
2121
Schneidecutting edge

Claims (4)

  1. Method for inserting predetermined breaking points (16) into a ring-shaped retaining and sealing strip (14) of a sabot projectile (1) having an impact sabot (4), characterized in that the retaining and sealing strip (14) is arranged on a partial region (15) of a receiving mechanism (9) segmented by at least two longitudinal slits (8), which connects the propelling element (5) to the guide cage (6) of the impact sabot (4) segmented by at least two longitudinal slits, wherein after the retaining and sealing strip (14) has been mounted on the receiving mechanism (9), but before installation of the guide cage (6), in the region of the retaining and sealing strip (14) covering the longitudinal slits (8) of the receiving mechanism (9), notch-shaped predetermined breaking points (16) are inserted into the retaining and sealing strip (14) from the inside of the retaining and sealing strip (14) with the help of a work tool (17), wherein the longitudinal slits (8) of the receiving mechanism (9) are used for lateral guiding of the work tool (17).
  2. Method according to Claim 1, characterized in that insertion of the notch-shaped predetermined breaking points (16) into the retaining and sealing strip (14) takes place through axial movement of the work tool (17).
  3. Method according to Claim 1 or 2, characterized in that the insertion of the notch-shaped predetermined breaking points (16) into the retaining and sealing strip (14) takes place simultaneously with the mounting of the retaining and sealing strip (14) onto the receiving mechanism (9).
  4. Work tool for carrying out the method according to one of the Claims 1 to 3, characterized in that the work tool (17) comprises a ring-shaped head part (18) that can be pushed axially at least partially onto the receiving mechanism (9), that a number of knife-shaped cutting tools (20) provided with blades (21) directed outwards corresponding to the number of segments (10, 11) of the receiving mechanism (9) is arranged at the head part (18), which blades extend axially in front of the head part (18) such that when the head part (18) is pushed onto the receiving mechanism (9), the retaining and sealing strip (14) situated behind this push-on region (19) is provided with the corresponding notch-shaped predetermined breaking points (16).
EP09015605.0A 2009-02-20 2009-12-17 Method for inserting built-in break points into a ring shaped drivingband and obturator of a sabot projectile and tool for carrying out the method Not-in-force EP2221576B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009009772A DE102009009772A1 (en) 2009-02-20 2009-02-20 Method for introducing predetermined breaking points in an annular retaining and sealing strip of a sabot projectile and Laborierwerkzeug for performing the method

Publications (3)

Publication Number Publication Date
EP2221576A2 EP2221576A2 (en) 2010-08-25
EP2221576A3 EP2221576A3 (en) 2013-07-24
EP2221576B1 true EP2221576B1 (en) 2014-05-07

Family

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Application Number Title Priority Date Filing Date
EP09015605.0A Not-in-force EP2221576B1 (en) 2009-02-20 2009-12-17 Method for inserting built-in break points into a ring shaped drivingband and obturator of a sabot projectile and tool for carrying out the method

Country Status (5)

Country Link
US (1) US8171838B2 (en)
EP (1) EP2221576B1 (en)
KR (1) KR101531427B1 (en)
DE (1) DE102009009772A1 (en)
ES (1) ES2473629T3 (en)

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DK2475578T3 (en) 2009-09-09 2017-09-11 Aerovironment Inc Reinforced UAV extension tube
AU2010325108B2 (en) 2009-09-09 2016-09-01 Aerovironment, Inc. Elevon control system
CA3044451C (en) * 2012-06-07 2022-10-18 Aerovironment, Inc. System for detachably coupling an unmanned aerial vehicle within a launch tube
DE102012020540A1 (en) 2012-10-19 2014-04-24 Rheinmetall Waffe Munition Gmbh Cartridge and method for its production
DE102012020541A1 (en) 2012-10-19 2014-04-24 Rheinmetall Waffe Munition Gmbh Cartridge and method for its production
US8931416B2 (en) 2013-03-07 2015-01-13 The United States Of America As Represented By The Secretary Of The Navy Inert and pressure-actuated submunitions dispensing projectile
US9188417B2 (en) 2013-08-01 2015-11-17 Raytheon Company Separable sabot for launching payload
US10996037B2 (en) * 2018-09-04 2021-05-04 The United States Of America As Represented By The Secretary Of The Army Obturator for robust and uniform discard
DE102022108565A1 (en) 2022-04-08 2023-10-12 Rheinmetall Waffe Munition Gmbh Balancing bullet in the form of a sabot bullet

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Also Published As

Publication number Publication date
DE102009009772A1 (en) 2010-09-02
KR101531427B1 (en) 2015-07-06
EP2221576A2 (en) 2010-08-25
KR20100095367A (en) 2010-08-30
EP2221576A3 (en) 2013-07-24
US20100212479A1 (en) 2010-08-26
ES2473629T3 (en) 2014-07-07
US8171838B2 (en) 2012-05-08

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