EP0431666A1 - Fragmentation incendiary body, method for its manufacture as well as its use - Google Patents

Fragmentation incendiary body, method for its manufacture as well as its use Download PDF

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Publication number
EP0431666A1
EP0431666A1 EP90203072A EP90203072A EP0431666A1 EP 0431666 A1 EP0431666 A1 EP 0431666A1 EP 90203072 A EP90203072 A EP 90203072A EP 90203072 A EP90203072 A EP 90203072A EP 0431666 A1 EP0431666 A1 EP 0431666A1
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EP
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Prior art keywords
fire
splitter
ribs
resin
pyrophoric
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Granted
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EP90203072A
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German (de)
French (fr)
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EP0431666B1 (en
Inventor
René Jeanquartier
Yvonne Frey
Roland Hess
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Schweizerische Eidgenossenschaft
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Schweizerische Eidgenossenschaft
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Priority to AT90203072T priority Critical patent/ATE93314T1/en
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    • 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
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/32—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive charge
    • 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
    • F42B12/44—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of incendiary type

Definitions

  • the invention relates to a fire splitter consisting of a metallic support body with ribs and a fire mass provided with the support body and a method for producing such a fire splitter and active bodies containing splinters and their use.
  • a fire splinter according to the preamble of the patent claim is known from FR -Al- 25 26 154.
  • the fire mass is introduced into a central, rear-side recess of the drop-shaped support body; the ribs serve to stabilize the flight of the body.
  • Fire fragments in particular for projectiles with an oxygen carrier provided in the fire mass, are also known (DE-Al-34 01 538).
  • the object of the invention is to create fire fragments with good ballistic properties which can penetrate the target and are richly contaminated with pyrophoric fire mass in order to achieve the desired fire effect.
  • the aforementioned object is achieved in that the fire mass is applied to the surface of the splinter, at least in the space between the ribs.
  • fire splinters are produced step by step in that in a first process step the splinter is coated with the hardener of a two-component epoxy resin at room temperature, and in a second step a preheated mixture of resin and pyrophoric metal is applied to the splitter.
  • An advantage is the spherical shape of the splinters according to claim 2, which ensures good ballistic behavior and thus a high operating distance.
  • the fact that the ribs are cam-like according to claim 3 has the further advantage that the fire mass adheres well in the grooves between these ribs.
  • the number of ribs and grooves can vary, with at least three equally offset from one another having balanced flight behavior.
  • epoxy resins Mixtures of pyrophoric metals in epoxy resins have proven to be the most advantageous type of fire mass according to claims 5 and 7.
  • the epoxy resins adhere well to most materials and, on the other hand, metals can be enclosed relatively well via the reactive functional groups of the epoxy resins.
  • epoxy resins do not attack metals and resist atmospheric influences.
  • zirconium, hafnium, uranium, titanium or aluminum serve as pyrophoric metals.
  • two minutes at a pressure of 1000 to 2000 bar, preferably 1500 bar, are the minimum contact time required so that the fire mass adheres well to the support body and the polymer hardens.
  • the subject matter of the invention is preferably used to produce an active body by the method of claim 11.
  • the spherical support body 1 for the fire mass, FIG. 1, has two end faces 4 and is provided on its envelope surface 3 with ribs 5 and grooves 2, which alternate with one another.
  • This support body is made from a round steel wire. Cylinders of 4.0 mm in diameter and 4.0 mm in length are cut and cold-pressed in a manner known per se to this support of ribs and grooves.
  • Fig. 2 shows the fire splitter, i.e. provide the support body with fire mass 6.
  • the fire mass 6 mainly fills the grooves 2 of the supporting body. - But you can also cover the entire surface of the support body 1.
  • QAZ quasi-alloy
  • the supporting bodies 1 are degreased and lightly etched with dilute nitric acid in order to facilitate the adhesion of the fire mass 6 in the grooves 2 and on the envelope surface 3.
  • the fire mass 6 is brought to the supporting body or splinter in two stages:
  • the splinters are mixed with the viscous hardener component of the QAZ alloy at room temperature.
  • the hardening compound thus adheres in the grooves and on the envelope surface of the support body.
  • the second component of the QAZ alloy the partial mass consisting of resin and pyrophoric metal, is preheated to the temperature of 120 ° C recommended by the manufacturer. Then both partial masses and the supporting body 1 are mixed together, homogenized by means of vibration at 70 Hz and loaded into a spherical pressing tool known per se.
  • the hardener sticks mainly to the supporting body.
  • the resin-powder mixture penetrates the grooves of the splinters, displacing the adhesive hardener, which subsequently diffuses evenly into the resin mass and triggers the polymerization reaction.
  • the fire mass mainly hardens in the grooves of the supporting body and thus increases the adhesive force and the integrity of the fire splinter.
  • the polymerization reaction of the resin is delayed by the cold temperature of the support body (room temperature).
  • the polymerization is accelerated in the previously heated resin-powder mixture. After about 5 minutes, the mold can be removed and the hardened splinter body can be used for further processing and / or use.
  • the production of active parts of ammunition bodies which have a large number of fire fragments 1 is preferred.
  • the procedure is analogous to the manufacture of individual fire fragments.
  • the active body is compressed in a form adapted to the ammunition body and can then be easily handled and installed.
  • a projectile tip with detonator 11 can be seen in FIG. 3.
  • a steel ring 12 serves as a connecting piece to an outer jacket 14 of the projectile made of an aluminum alloy. It has sliding rings 17 on its outermost diameter, which are used for sealing and guiding in the tube.
  • An inner jacket 15 is the active part and has a large number of splinters 1 'which are cast in a matrix made of epoxy resin.
  • the explosive device 16 is located in the center of the floor in the usual manner; at the end of the floor the tail unit 13.
  • FIG. 4 shows the use of the fire splinters in controllable, nonballistic missiles.
  • several inner shells 15, 15 'and corresponding explosive devices 16, 16' are combined and tubular via sealing rings 17 connected with each other.
  • Spherical ammunition bodies with radial splinter ejection can be produced in the same way, FIG. 5.
  • the fire splinters 1 ' are embedded in a matrix made of QAZ epoxy resin.
  • Shells 14, 14 'made of light metal alloys known per se have proven themselves in all ammunition bodies, since these only minimally hinder the ejection of the fragments.
  • - Coats made of impact-resistant and temperature-resistant plastic are also conceivable, which splinter even more easily and thus increase the final ballistic performance of the fire splinter 1 '.
  • the pyrophoric metals known per se with a two-component, organic polymer can also be used.
  • the matrix can also consist of a pyrophoric metal and / or a less explosive explosive, for example an aluminum-containing explosive.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Water Treatment By Sorption (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Peptides Or Proteins (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
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  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
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Abstract

A fragmentation incendiary body having good ballistic characteristics and a pyrophoric incendiary material, and the manufacture thereof, are described. <??>The fragmentation incendiary body consists of a metal carrier (1) having ribs (5) and a polymer incendiary material (6) provided with the carriers and containing a pyrophoric metal. <??>The fragmentation carrier is produced from a steel wire which is subsequently treated with the curing agent of a two-component epoxy resin and is then compressed with the incendiary material of pyrophoric metal and epoxy resin at elevated temperature and high pressure. <??>The fragmentation incendiary bodies are used predominantly in active parts of ammunition; here, they are preferably incorporated in a matrix of epoxy resin. <IMAGE>

Description

Die Erfindung betrifft einen Brandsplitter bestehend aus einem metallischen Tragkörper mit Rippen und einer mit dem Tragkörper versehenen Brandmasse sowie ein Verfahren zur Herstellung eines solchen Brandsplitters sowie von Splitter enthaltenden Wirkkörpern und deren Verwendung.The invention relates to a fire splitter consisting of a metallic support body with ribs and a fire mass provided with the support body and a method for producing such a fire splitter and active bodies containing splinters and their use.

Ein Brandsplitter gemäss dem Oberbegriff des Patentanspruchs ist bekannt aus der FR -Al- 25 26 154. In einer zentralen, heckseitigen Ausnehmung des tropfenförmigen Tragkörpers ist die Brandmasse eingebracht; die Rippen dienen der Flugstabilisierung des Körpers.A fire splinter according to the preamble of the patent claim is known from FR -Al- 25 26 154. The fire mass is introduced into a central, rear-side recess of the drop-shaped support body; the ribs serve to stabilize the flight of the body.

Brandsplitter, insbesondere für Geschosse mit einem in der Brandmasse vorgesehenen Sauerstoffträger, sind ebenfalls bekannt (DE -Al- 34 01 538).Fire fragments, in particular for projectiles with an oxygen carrier provided in the fire mass, are also known (DE-Al-34 01 538).

Diese haben jedoch den Nachteil einer unzuverlässigen Brandwirkung als Folge der aerodynamischen Aufwärmung der Brandsplitter während ihres aussenballistischen Fluges. Ebenfalls weisen die bekannten Brandsplitter bei gegebener Brenndauer eine relativ kurze Einsatzdistanz auf.However, these have the disadvantage of an unreliable fire effect as a result of the aerodynamic heating of the fire splinters during their external ballistic flight. The known fire splinters also have a relatively short operating distance for a given burning time.

Die Aufgabe der Erfindung ist es, Brandsplitter zu schaffen mit guten ballistischen Eigenschaften, die ins Ziel einzudringen vermögen und reichlich mit pyrophorer Brandmasse behaftet sind, um die gewünschte Brandwirkung zu erzielen.The object of the invention is to create fire fragments with good ballistic properties which can penetrate the target and are richly contaminated with pyrophoric fire mass in order to achieve the desired fire effect.

Die vorgenannte Aufgabe wird dadurch gelöst, dass die Brandmasse an der Oberfläche des Splitters, zumindest jedoch im Raum zwischen den Rippen, aufgebracht ist.The aforementioned object is achieved in that the fire mass is applied to the surface of the splinter, at least in the space between the ribs.

Die Herstellung dieser Brandsplitter erfolgt schrittweise dadurch, dass in einem ersten Verfahrensschritt der Splitter mit dem Härter eines Zweikomponenten-Epoxidharzes bei Raumtemperatur belegt wird, dass in einem zweiten Schritt eine vorgewärmte Mischung aus Harz und pyrophorem Metall auf den Splitter aufgebracht wird.These fire splinters are produced step by step in that in a first process step the splinter is coated with the hardener of a two-component epoxy resin at room temperature, and in a second step a preheated mixture of resin and pyrophoric metal is applied to the splitter.

Von Vorteil ist die kugelförmige Gestalt der Splitter gemäss Anspruch 2, die ein gutes ballistisches Verhalten und damit eine hohe Einsatzdistanz sichert.An advantage is the spherical shape of the splinters according to claim 2, which ensures good ballistic behavior and thus a high operating distance.

Dass die Rippen nach Anspruch 3 nockenartig ausgebildet sind weist den weiteren Vorteil darin auf, dass die Brandmasse in den Nuten zwischen diesen Rippen gut haftet.The fact that the ribs are cam-like according to claim 3 has the further advantage that the fire mass adheres well in the grooves between these ribs.

Gemäss Anspruch 4 kann die Anzahl Rippen und Nuten variieren, wobei mindestens drei zueinander gleich versetzte ein ausgewogenes Flugverhalten aufweisen.According to claim 4, the number of ribs and grooves can vary, with at least three equally offset from one another having balanced flight behavior.

Als der vorteilhafteste Brandmassen-Typ nach den Ansprüchen 5 und 7 haben sich Gemische aus pyrophoren Metallen in Epoxidharzen erwiesen. Einerseits haften die Epoxidharze gut an den meisten Werkstoffen und andererseits können Metalle über die reaktive funktionalen Gruppen der Epoxidharze relativ gut eingeschlossen werden. Zudem greifen Epoxidharze Metalle nicht an und widerstehen atmosphärischen Einflüssen.Mixtures of pyrophoric metals in epoxy resins have proven to be the most advantageous type of fire mass according to claims 5 and 7. On the one hand, the epoxy resins adhere well to most materials and, on the other hand, metals can be enclosed relatively well via the reactive functional groups of the epoxy resins. In addition, epoxy resins do not attack metals and resist atmospheric influences.

Gemäss Anspruch 6 dienen als pyrophore Metalle Zirkonium, Hafnium, Uran, Titan oder Aluminium.According to claim 6 zirconium, hafnium, uranium, titanium or aluminum serve as pyrophoric metals.

Beim Presserzeugungsverfahren nach Anspruch 9 sind zwei Minuten bei einem Druck von 1000 bis 2000 bar, vorzugsweise 1500 bar, die minimal erforderliche Kontaktzeit, damit die Brandmasse am Tragkörper gut haftet und das Polymer aushärtet.In the press production process according to claim 9, two minutes at a pressure of 1000 to 2000 bar, preferably 1500 bar, are the minimum contact time required so that the fire mass adheres well to the support body and the polymer hardens.

Gemäss Anspruch 10 erfolgt eine sehr wirtschaftliche Herstellung der Tragkörper aus Stahldraht.According to claim 10, a very economical production of the support body from steel wire takes place.

Bevorzugt wird der Erfindungsgegenstand zur Herstellung eines Wirkkörpers nach dem Verfahren Anspruch 11 eingesetzt.The subject matter of the invention is preferably used to produce an active body by the method of claim 11.

Bewährt hat sich ein Verdichten der Mischung entsprechend Anspruch 12, unter hohem Druck, zur Erzielung kompakter Wirkkörper hoher Leistung.Compression of the mixture according to claim 12, under high pressure, has been found to be effective in order to achieve compact active bodies.

Die Verwendung gemäss den Ansprüchen 13 und 14 lässt vielseitige Gestaltungen von Munitionskörpern und Brandwirkungsprojektilen realisieren.The use according to claims 13 and 14 allows versatile designs of ammunition bodies and fire action projectiles to be realized.

Die Erfindung wird anhand der Ausführungsbeispiele näher erläutert.The invention is explained in more detail using the exemplary embodiments.

Es zeigt:It shows:

Fig. 1Fig. 1
einen vergrösserten dargestellten Tragkörper für die Brandmasse, an enlarged support body shown for the fire mass,
Fig. 2Fig. 2
einen einsatzbereiten Brandsplitter, an operational fire splitter,
Fig. 3Fig. 3
eine Granate mit in einem Mantel eingelegten Brandsplittern, a grenade with fire fragments inserted in a jacket,
Fig. 4Fig. 4
einen rohrförmigen Sprengkörper bzw. ein Sprengrohr mit Brandsplittern und a tubular explosive device or an explosive tube with fire fragments and
Fig. 5Fig. 5
einen annähernd kugelförmigen Munitionskörper mit Splittermantel. an approximately spherical ammunition with a splinter jacket.

Der kugelförmige Tragkörper 1 für die Brandmasse, Fig. 1, weist zwei Stirnflächen 4 auf und ist auf seiner Hüllfläche 3 mit Rippen 5 und Nuten 2, die miteinander abwechseln, versehen. Dieser Tragkörper wird aus einem runden Stahldraht angefertigt. Es werden Zylinder von 4,0 mm Durchmesser und 4,0 mm Länge zugeschnitten und in an sich bekannter Weise zu diesem Träger von Rippen und Nuten kaltgepresst.The spherical support body 1 for the fire mass, FIG. 1, has two end faces 4 and is provided on its envelope surface 3 with ribs 5 and grooves 2, which alternate with one another. This support body is made from a round steel wire. Cylinders of 4.0 mm in diameter and 4.0 mm in length are cut and cold-pressed in a manner known per se to this support of ribs and grooves.

Fig. 2 zeigt den Brandsplitter, d.h. den Tragkörper mit Brandmasse 6 versehen. Die Brandmasse 6 füllt hauptsächlich die Nuten 2 des Tragkörper aus. - Sie kann aber auch die ganze Oberfläche des Tragkörpers 1 belegen.Fig. 2 shows the fire splitter, i.e. provide the support body with fire mass 6. The fire mass 6 mainly fills the grooves 2 of the supporting body. - But you can also cover the entire surface of the support body 1.

Eine solche bevorzugte Brandmasse ist die Zweikomponenten Quasi-Legierung "QAZ" (Handelsmarke der Quantic Industries, Inc., San Carlos, CA / USA).One such preferred fire mass is the two-component quasi-alloy "QAZ" (trademark of Quantic Industries, Inc., San Carlos, CA / USA).

Herstellung einzelner BrandsplitterProduction of individual fire fragments

Die Tragkörper 1 werden entfettet und leicht geäzt mit verdünnter Salpetersäure, um das Haften der Brandmasse 6 in den Nuten 2 und an der Hüllfläche 3 zu erleichtern. Die Brandmasse 6 wird in zwei Stufen an die Tragkörper bzw. Splitter gebracht:The supporting bodies 1 are degreased and lightly etched with dilute nitric acid in order to facilitate the adhesion of the fire mass 6 in the grooves 2 and on the envelope surface 3. The fire mass 6 is brought to the supporting body or splinter in two stages:

Die Splitter werden bei Raumtemperatur mit der zähflüssigen Härterkomponente der QAZ Legierung vermischt. Somit haftet die Härtermasse in den Nuten und an der Hüllfläche des Tragkörpers. Die zweite Komponente der QAZ-Legierung, die aus Harz und pyrophoren Metall bestehende Teilmasse, wird auf die durch den Hersteller empfohlene Temperatur von 120°C vorgewärmt. Danach werden beide Teilmassen und die Tragkörper 1 zusammengemischt, homogenisiert mittels Vibration bei 70 Hz und in ein kugelförmiges, an sich bekanntes Presswerkzeug beschickt.The splinters are mixed with the viscous hardener component of the QAZ alloy at room temperature. The hardening compound thus adheres in the grooves and on the envelope surface of the support body. The second component of the QAZ alloy, the partial mass consisting of resin and pyrophoric metal, is preheated to the temperature of 120 ° C recommended by the manufacturer. Then both partial masses and the supporting body 1 are mixed together, homogenized by means of vibration at 70 Hz and loaded into a spherical pressing tool known per se.

Während des Mischens der beiden Teilmassen bleibt der Härter vor allem am Tragkörper haften. Während des Verdichtungsvorgangs bei 1500 bar dringt das Harz-Pulver-Gemisch in die Nuten der Splitter ein und verdrängt dabei den haftenden Härter, der in der Folge gleichmässig in die Harzmasse diffundiert und die Polymerisationsreaktion auslöst. Die Brandmasse härtet hauptsächlich in den Nuten des Tragkörpers aus und erhöht somit die Haftkraft und die Integrität des Brandsplitters. Anfangs wird die Polymerisationsreaktion des Harzes verzögert durch die kalte Temperatur der Tragkörper (Raumtemperatur). Im Verlaufe des Pressvorgangs wird die Polymerisation beschleunigt im zuvor erwärmten Harz-Pulver-Gemisch. Nach ca. 5 Minuten kann die Entformung erfolgen und der ausgehärtete Splitterkörper der weiteren Verarbeitung und/oder der Verwendung zugeführt werden.During the mixing of the two partial masses, the hardener sticks mainly to the supporting body. During the compression process at 1500 bar, the resin-powder mixture penetrates the grooves of the splinters, displacing the adhesive hardener, which subsequently diffuses evenly into the resin mass and triggers the polymerization reaction. The fire mass mainly hardens in the grooves of the supporting body and thus increases the adhesive force and the integrity of the fire splinter. Initially, the polymerization reaction of the resin is delayed by the cold temperature of the support body (room temperature). During During the pressing process, the polymerization is accelerated in the previously heated resin-powder mixture. After about 5 minutes, the mold can be removed and the hardened splinter body can be used for further processing and / or use.

Herstellung von Wirkteilen von MunitionskörpernManufacture of active parts of ammunition bodies

Bevorzugt ist die Herstellung von Wirkteilen von Munitionskörpern, welche eine Vielzahl von Brandsplittern 1 aufweisen. Dabei wird analog zur Herstellung einzelner Brandsplitter verfahren. Der Wirkkörper wird dabei in einer dem Munitionskörper angepassten Form verdichtet und lässt sich anschliessend leicht handhaben und einbauen.The production of active parts of ammunition bodies which have a large number of fire fragments 1 is preferred. The procedure is analogous to the manufacture of individual fire fragments. The active body is compressed in a form adapted to the ammunition body and can then be easily handled and installed.

Ausführung von Munitionskörpern mit BrandwirkungExecution of ammunition bodies with fire action

Die in den Figuren 3 bis 5 dargestellten Beispiele zeigen die universellen Gestaltungsmöglichkeiten. Gleiche Funktionsteile sind hier mit gleichen Ziffern bezeichnet:The examples shown in Figures 3 to 5 show the universal design options. The same functional parts are labeled with the same numbers:

Eine Geschoss-Spitze mit Zünder 11 ist in Fig. 3 ersichtlich. Ein Stahlring 12 dient als Verbindungsstück zu einem äusseren aus einer Aluminiumlegierung gefertigten Mantel 14 des Geschosses. Er weist an seinem äussersten Durchmesser Gleitringe 17 auf, welche der Dichtung und Führung im Rohr dienen. Ein innerer Mantel 15 ist das Wirkteil und weist eine Vielzahl von Splittern 1' auf, welche in einer Matrix aus Epoxidharz eingegossen sind. Im Zentrum des Geschosses befindet sich in üblicher Art der Sprengkörper 16; am Ende des Geschosses das Leitwerk 13.A projectile tip with detonator 11 can be seen in FIG. 3. A steel ring 12 serves as a connecting piece to an outer jacket 14 of the projectile made of an aluminum alloy. It has sliding rings 17 on its outermost diameter, which are used for sealing and guiding in the tube. An inner jacket 15 is the active part and has a large number of splinters 1 'which are cast in a matrix made of epoxy resin. The explosive device 16 is located in the center of the floor in the usual manner; at the end of the floor the tail unit 13.

Die Ausgestaltung Fig. 4 zeigt die Verwendung der Brandsplitter in steuerbaren, nichtballistischen Raketen. Hier sind mehrere innere Mäntel 15, 15' sowie entsprechende Sprengkörper 16, 16' zusammengefasst und über Dichtungsringe 17 rohrförmig miteinander verbunden.4 shows the use of the fire splinters in controllable, nonballistic missiles. Here several inner shells 15, 15 'and corresponding explosive devices 16, 16' are combined and tubular via sealing rings 17 connected with each other.

In ebensolcher Weise lassen sich kugelförmige Munitionskörper, mit radialem Splitterausstoss herstellen, Fig. 5. Die Mäntel 15, 15' sind hier halbkugelschalenartig ausgebildet; die übrige Bauweise entspricht den Fig. 3 und 4.Spherical ammunition bodies with radial splinter ejection can be produced in the same way, FIG. 5. The jackets 15, 15 'are designed like a hemisphere here; the remaining construction corresponds to FIGS. 3 and 4.

In sämtlichen Beispielen sind die Brandsplitter 1' in eine Matrix aus QAZ-Epoxidharz eingelagert.In all examples, the fire splinters 1 'are embedded in a matrix made of QAZ epoxy resin.

Bewährt haben sich bei sämtlichen Munitionskörpern Mäntel 14, 14' aus an sich bekannten Leichtmetall-Legierungen, da diese den Ausstoss der Splitter nur minimal behindern. - Denkbar sind auch Mäntel aus schlag- und temperaturfestem Kunststoff, die noch leichter zersplittern und damit die ballistische Endleistung des Brandsplitters 1' erhöhen.Shells 14, 14 'made of light metal alloys known per se have proven themselves in all ammunition bodies, since these only minimally hinder the ejection of the fragments. - Coats made of impact-resistant and temperature-resistant plastic are also conceivable, which splinter even more easily and thus increase the final ballistic performance of the fire splinter 1 '.

Anstelle der handelsüblichen QAZ-Legierung können auch die an sich bekannten pyrophoren Metalle mit einem Zweikomponenten, organischen Polymer verwendet werden. - Ebenfalls kann die Matrix aus einem pyrophoren Metall bestehen und/oder aus einem wenig brisanten Sprengstoff, beispielsweise einem aluminiumhaltigen Sprengstoff.Instead of the commercially available QAZ alloy, the pyrophoric metals known per se with a two-component, organic polymer can also be used. - The matrix can also consist of a pyrophoric metal and / or a less explosive explosive, for example an aluminum-containing explosive.

Claims (14)

Brandsplitter bestehend aus einem metallischen Tragkörper mit Rippen und einer mit dem Tragkörper versehenen Brandmasse, dadurch gekennzeichnet, dass die Brandmasse (6) an der Oberfläche des Splitters, zumindest jedoch im Raum (2) zwischen den Rippen (5), aufgebracht ist.Fire splitter consisting of a metallic support body with ribs and a fire mass provided with the support body, characterized in that the fire mass (6) is applied to the surface of the splitter, but at least in the space (2) between the ribs (5). Brandsplitter nach Anspruch 1, dadurch gekennzeichnet, dass dieser zumindest eine annähernd kugelförmige Hüllfläche (3) aufweist.Fire splitter according to claim 1, characterized in that it has at least one approximately spherical envelope surface (3). Brandsplitter nach Anspruch 1, dadurch gekennzeichnet, dass die Rippen (5) nockenartig ausgebildet sind.Fire splitter according to claim 1, characterized in that the ribs (5) are cam-like. Brandsplitter nach Anspruch 1 oder 3, dadurch gekennzeichnet, dass wenigstens drei Rippen (5) vorgesehen sind, die zueinander unter gleichen Winkeln versetzt sind.Fire splitter according to claim 1 or 3, characterized in that at least three ribs (5) are provided which are offset from one another at the same angles. Brandsplitter nach Anspruch 1, dadurch gekennzeichnet, dass die Brandmasse (6) aus wenigstens je einem pyrophoren Metall und einem organischen Polymer besteht.Fire splinter according to claim 1, characterized in that the fire mass (6) consists of at least one pyrophoric metal and one organic polymer. Brandsplitter nach Anspruch 5, dadurch gekennzeichnet, dass das pyrophore Metall Zirkonium, Hafnium, Uran, Titan oder Aluminium ist.Fire splinter according to claim 5, characterized in that the pyrophoric metal is zirconium, hafnium, uranium, titanium or aluminum. Brandsplitter nach Anspruch 5, dadurch gekennzeichnet, dass der organische Polymer ein Epoxidharz ist.Fire splitter according to claim 5, characterized in that the organic polymer is an epoxy resin. Verfahren zur Herstellung eines Brandsplitters nach Anspruch 1, dadurch gekennzeichnet, dass in einem ersten Verfahrensschritt der Splitter mit dem Härter eines Zwei-Komponenten-Epoxidharzes bei Raumtemperatur belegt wird, dass in einem zweiten Schritt eine vorgewärmte Mi schung aus Harz und pyrophorem Metall auf den Splitter aufgebracht wird.A method for producing a fire splitter according to claim 1, characterized in that in a first process step, the splitter is coated with the hardener of a two-component epoxy resin at room temperature, that in a second step a preheated medium resin and pyrophoric metal is applied to the splitter. Verfahren zur Herstellung eines Brandsplitters nach Anspruch 8, dadurch gekennzeichnet, dass die Mischung aus pyrophorem Metall und Harz während wenigstens zwei Minuten unter Druck auf den Splitter aufgebracht wird.A method for producing a fire splinter according to claim 8, characterized in that the mixture of pyrophoric metal and resin is applied to the splitter under pressure for at least two minutes. Verfahren zur Herstellung eines Tragkörpers eines Brandsplitters nach Anspruch 1, dadurch gekennzeichnet, dass dessen metallischer Tragkörper von einem Runddraht aus Stahl abgetrennt und formgepresst wird.A method for producing a support body of a fire splinter according to claim 1, characterized in that the metal support body is separated from a round wire made of steel and pressed. Verfahren zur Herstellung eines Brandsplitter nach einem der Ansprüche 1 bis 9 enthaltenden Wirkkörpers, dadurch gekennzeichnet, dass in einem ersten Verfahrensschritt die Splitter mit dem Härter eines Zwei-Komponenten-Epoxidharzes bei Raumtemperatur belegt werden und in einem zweiten Verfahrensschritt eine vorgewärmte Mischung aus Harz und pyrophorem Metall auf die Splitter aufgebracht und diese in einer Form ausgehärtet werden.A process for producing a fire splitter according to one of claims 1 to 9 containing active bodies, characterized in that in a first process step the splinters are coated with the hardener of a two-component epoxy resin at room temperature and in a second process step a preheated mixture of resin and pyrophoric Metal is applied to the splinters and these are hardened in a mold. Verfahren zur Herstellung eines Brandsplitter enthaltenden Wirkkörpers gemäss Anspruch 11, dadurch gekennzeichnet, dass die Mischung aus pyrophorem Metall und Harz auf den Splitter aufgebracht und während wenigstens zwei Minuten unter Druck zu einem Wirkteil eines Munitionskörpers verdichtet und ausgehärtet wird.A method for producing an active body containing fire splinters according to claim 11, characterized in that the mixture of pyrophoric metal and resin is applied to the splitter and compressed and cured under pressure to an active part of an ammunition body for at least two minutes. Verwendung des Brandsplitters nach mindestens einem der vorangehenden Ansprüche in einer Matrix eines Munitionskörpers.Use of the fire splitter according to at least one of the preceding claims in a matrix of an ammunition body. Verwendung des Brandsplitters nach Anspruch 13 in einer Matrix aus pyrophorem Metall und/oder aus wenig brisantem Sprengstoff.Use of the fire splitter according to claim 13 in a matrix made of pyrophoric metal and / or explosive explosive.
EP90203072A 1989-12-06 1990-11-20 Fragmentation incendiary body, method for its manufacture as well as its use Expired - Lifetime EP0431666B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90203072T ATE93314T1 (en) 1989-12-06 1990-11-20 FIRE SPLITTER, PROCESS FOR PRODUCTION AND ITS USE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4372/89 1989-12-06
CH4372/89A CH681326A5 (en) 1989-12-06 1989-12-06

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EP0431666A1 true EP0431666A1 (en) 1991-06-12
EP0431666B1 EP0431666B1 (en) 1993-08-18

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EP (1) EP0431666B1 (en)
AT (1) ATE93314T1 (en)
CH (1) CH681326A5 (en)
DE (1) DE59002389D1 (en)
DK (1) DK0431666T3 (en)
ES (1) ES2044416T3 (en)
FI (1) FI905945A (en)
IL (1) IL96315A (en)
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TR (1) TR24877A (en)

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US8813652B2 (en) 2010-09-17 2014-08-26 Amtec Corporation Pyrophoric projectile
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US10557696B2 (en) 2016-12-01 2020-02-11 Battelle Memorial Institute Self-glowing materials and tracer ammunition
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FR2278055A1 (en) * 1974-07-11 1976-02-06 Dow Corning WIDE DISPERSION FIRE DEVICE

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NO172866B (en) 1993-06-07
CH681326A5 (en) 1993-02-26
US5076169A (en) 1991-12-31
EP0431666B1 (en) 1993-08-18
NO905252D0 (en) 1990-12-05
DK0431666T3 (en) 1994-01-10
FI905945A (en) 1991-06-07
TR24877A (en) 1992-07-01
ES2044416T3 (en) 1994-01-01
NO172866C (en) 1993-09-15
FI905945A0 (en) 1990-12-03
NO905252L (en) 1991-06-07
IL96315A (en) 1994-10-07
ATE93314T1 (en) 1993-09-15
DE59002389D1 (en) 1993-09-30

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