EP2352710B1 - Ignition sets with improved ignition performance - Google Patents

Ignition sets with improved ignition performance Download PDF

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EP2352710B1
EP2352710B1 EP09752331.0A EP09752331A EP2352710B1 EP 2352710 B1 EP2352710 B1 EP 2352710B1 EP 09752331 A EP09752331 A EP 09752331A EP 2352710 B1 EP2352710 B1 EP 2352710B1
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Prior art keywords
ignition
relative
overall mixture
explosives
metal
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French (fr)
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EP2352710A1 (en
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Ulrich Bley
Peter Simon Lechner
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RWS GmbH
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RUAG Ammotec GmbH
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    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C7/00—Non-electric detonators; Blasting caps; Primers
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B41/00—Compositions containing a nitrated metallo-organic compound
    • C06B41/02—Compositions containing a nitrated metallo-organic compound the compound containing lead
    • C06B41/10—Compositions containing a nitrated metallo-organic compound the compound containing lead with other nitrated metallo-organic compound

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  • the invention relates to ignition charges with initial explosives or primary explosives selected from the group consisting of compounds of lead derived from Trinitropolyphenolen such as trinitrophenol, trinitroresorcinol or hydrazoic acid, in admixture with oxygen-providing substances having an improved ignition performance, especially at low temperatures ,
  • the ignition charges are intended to ensure the ignition of gunpowder in shooting and military cartridges (cartridges).
  • a flame is generated in all devices with annular or central percussion under the action of a firing pin with the aid of an initial explosive, igniting the propellant.
  • ignition of the Initialexplosivstoffes can also be done by means of an electrically generated thermal pulse.
  • mercury fulminate based primer compositions are virtually no longer used because of their high toxicity and lack of thermal stability. They have been replaced by compositions containing lead, antimony and barium compounds.
  • a disadvantage of the known igniter charges is that their ignitability decreases sharply at low temperatures, in particular below -35.degree.
  • the present invention provides primer compositions with initial explosives in admixture with oxygen-supplying substances which have an improved ignitability at temperatures below -35 ° C. in comparison with the known igniter compositions.
  • the object is achieved by primer as defined in claim 1.
  • the ignition charges according to the invention have an ignition capability which is improved over the prior art at temperatures below -35 ° C., in particular up to -54 ° C.
  • the initial explosives are preferably used in a total amount of from 30 to 60% by weight, based on the total mixture.
  • oxygen-supplying substances in addition to the metal peroxide zinc peroxide known per se from the prior art, it is also possible to use further oxygen-supplying substances.
  • the primer example can be used in the primer example: lead dioxide, tin dioxide, ceria tungsten trioxide and / or nitrates of ammonium, guanidine, aminoguanidine, triaminoguanidine, dicyandiamidine and the elements sodium, potassium, magnesium, calcium, cerium, especially potassium nitrate or basic cerium nitrates.
  • the amount of oxygen-providing substances in the novel igniter compositions can vary between 40 and 70% by weight, based on the total mixture.
  • the novel ignition charges contain 5 to 40% by weight of potassium dinitrobenzofuroxanate as further initial explosive.
  • the substance can be used both in fine-grained state and coarse-grained.
  • the primer sets may further contain sensitizers, reducing agents, friction agents, secondary explosives and / or inert substances.
  • sensitizers preferably tetracene
  • proportions of 0 to 10 wt .-%, based on the total mixture may be present.
  • Reducing agents which contribute to the reaction are suitable in the novel igniter compositions for improving the ignitability and in some cases also cause an increase in the mechanical sensitivity.
  • Suitable substances are preferably selected from carbon and / or metal powders, in particular boron, aluminum, cerium, titanium, zirconium, magnesium and silicon, metal alloys, in particular cerium magnesium, cerium silicon, titanium aluminum, aluminum magnesium, calcium silicide and metal sulfides , in particular antimony sulfide and molybdenum sulfide and metal hydrides, for example titanium hydride, in particular in a proportion of 0 to 10 wt .-%, based on the total mixture.
  • Some reducing agents may simultaneously perform the function of a friction agent, such as antimony sulfides or calcium silicides. While the proportion of reducing agent in the initial charge may be 0 to 10% by weight, friction agents which participate in the reaction during combustion may be present in amounts of up to 15% by weight, based on the total mixture, in the novel igniter compositions ,
  • Secondary explosives such as, for example, nitrocellulose or pentaerythritol tetranitrate, are particularly suitable as further components which contribute to the reaction.
  • Further examples which may be mentioned are octogen and hexogen, and also amino compounds of nitrated aromatics, for example of trinitrobenzene, such as mono-, di- or triaminotrinitrobenzene or aminohexanitrodiphenyl, furthermore the acylation products of these compounds, for example hexanitrooxanilide or hexanitrodiphenylurea.
  • these secondary explosives include hexanitrostilbene, hexanitrodiphenyloxide, hexanitrodiphenylsulfide, hexanitrodiphenylsulfone and hexanitrodiphenylamine, as well as tetranitrocarbazole, tetranitroacridone or polyvinyl nitrate, and nitrotriazolone and its compounds.
  • the proportion of these substances in the initial charge can be 0 to 30 wt .-% based on the total mixture.
  • Suitable inert substances in the igniter compositions according to the invention are substances which are known per se and are often also used to coordinate the properties of these fractions with the particular intended use. Particular mention may be made here of binders, adhesives, dyes, passivators which are preferably present in an amount of from 0 to 20% by weight, may be included based on the total mixture. Examples include calcium carbonate, titanium dioxide and / or white boron nitride.
  • the preparation of the novel ignition charges is carried out according to methods known per se by sieving the dry or kneading the water-moist mixture.
  • the dosage of the water-moist mass can be done by brushing the perforated plates or by extrusion.
  • Table 1 shows, on the one hand, the classic SINOXID igniter mixture (comparative example) and the potassium dinitrobenzofuroxanate-enriched mixture 1.
  • Comparative example example 1 Lead trinitroresorcinat 38% 30% potassium dinitrobenzofuroxanate 0% 15% tetracene 3% 4% barium 38% 35% dioxide 5% 6% calcium silicide 11% 5% titanium 5% 5%
  • anvil priming caps were produced with a loading mass of about 38 mg each.
  • the schematic structure of such an anvil priming cap is in FIG. 1 and will be explained in more detail below.
  • the anvil priming cap (1) contains the primer (igniting mixture) (2) in a cup-shaped outer shell (3) of copper or a copper alloy.
  • the opening of the cup-shaped outer shell (3) is closed with an anvil plate (4), wherein the conical, hollow curvature of the anvil plate (4) in the direction of the ignition charge (2) shows.
  • a separating layer (5) is arranged between the ignition charge (2) and the anvil plate (4) .
  • the anvil priming capsules were identically labarded in caliber 338 cartridges (see Table 2), conditioned at -54 ° C. for 4 hours and examined in a standard test setup for maximum pressure and bullet velocity. Surprisingly, a significantly lower ignition delay (t2) of the anvil priming capsule with example mixture 1 was observed at temperatures of -54 ° C., as shown in Table 2.

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Description

Die Erfindung betrifft Anzündsätze mit Initialexplosivstoffen oder Primärsprengstoffen ausgewählt aus der Gruppe bestehend aus Verbindungen des Bleis, die sich von Trinitropolyphenolen, wie beispielsweise Trinitrophenol, Trinitroresorcin oder der Stickstoffwasserstoffsäure ableiten, im Gemisch mit Sauerstoff-liefernden Substanzen, die eine verbesserte Anzündleistung insbesondere bei tiefen Temperaturen besitzen.The invention relates to ignition charges with initial explosives or primary explosives selected from the group consisting of compounds of lead derived from Trinitropolyphenolen such as trinitrophenol, trinitroresorcinol or hydrazoic acid, in admixture with oxygen-providing substances having an improved ignition performance, especially at low temperatures ,

Die Anzündladungen sind dazu bestimmt, die Entzündung von Schießpulvern in Schieß- und Militär-Kartuschen (-Patronen) zu gewährleisten. Dabei wird in allen Vorrichtungen mit ringförmiger oder zentraler Percussion unter der Einwirkung eines Schlagbolzens mit Hilfe eines Initialexplosivstoffes eine Flamme erzeugt, die den Treibsatz zündet. Weiterhin kann Anzündung des Initialexplosivstoffes auch mit Hilfe eines elektrisch erzeugten thermischen Impulses erfolgen.The ignition charges are intended to ensure the ignition of gunpowder in shooting and military cartridges (cartridges). In this case, a flame is generated in all devices with annular or central percussion under the action of a firing pin with the aid of an initial explosive, igniting the propellant. Furthermore, ignition of the Initialexplosivstoffes can also be done by means of an electrically generated thermal pulse.

Heutzutage werden Zündladungs-Zusammensetzungen auf Basis von Quecksilberfulminat im Wesentlichen wegen ihrer starken Toxizität und ihres Mangels an thermischer Stabilität praktisch nicht mehr verwendet. Sie wurden durch Zusammensetzungen ersetzt, die Blei-, Antimon- und Bariumverbindungen enthalten.Today, mercury fulminate based primer compositions are virtually no longer used because of their high toxicity and lack of thermal stability. They have been replaced by compositions containing lead, antimony and barium compounds.

Im Dokument US-A-4 675 059 wird eine Zündladung beschrieben, in der Diazodinitrophenol als Sprengstoff und Mangandioxid als Oxidationsmittel verwendet wird. In den Dokumenten US 2005/0098248 und US 5549769 werden Zündladungen mit einer guten Anzündfähigkeit bei tiefen Temperaturen beschrieben. Bekannte Anzündsätze enthalten als Initialexplosivstoffe Verbindungen, insbesondere des Bleis, die sich von Trinitropolyphenolen, wie beispielsweise Trinitrophenol, Trinitroresorcin oder der Stickstoffwasserstoffsäure ableiten. Darüber hinaus sind auch Anzündsätze bekannt, die Doppelsalze des Bleis, zum Beispiel Hypophosphitnitrat, enthalten.In the document US-A-4,675,059 describes an ignition charge in which diazodinitrophenol is used as an explosive and manganese dioxide as an oxidizing agent. In the documents US 2005/0098248 and US 5549769 Zündladungen are described with a good ignitability at low temperatures. Known primer compositions contain as initial explosives compounds, in particular of the lead, which are derived from trinitropolyphenols, such as, for example, trinitrophenol, trinitroresorcinol or hydrazoic acid. In addition, igniter compositions are also known which contain double salts of lead, for example hypophosphite nitrate.

Ein Nachteil der bekannten Anzündsätze besteht darin, dass ihre Anzündfähigkeit bei tiefen Temperaturen insbesondere unterhalb von -35°C stark abnimmt.A disadvantage of the known igniter charges is that their ignitability decreases sharply at low temperatures, in particular below -35.degree.

Gegenstand der vorliegenden Erfindung sind Anzündsätze mit Initialexplosivstoffen im Gemisch mit Sauerstoff-liefernden Substanzen, die eine im Vergleich zu den bekannten Anzündsätzen verbesserte Anzündfähigkeit bei Temperaturen unterhalb -35°C aufweisen.The present invention provides primer compositions with initial explosives in admixture with oxygen-supplying substances which have an improved ignitability at temperatures below -35 ° C. in comparison with the known igniter compositions.

Erfindungsgemäß wird die Aufgabe gelöst durch Anzündsätze wie in Anspruch 1 definiert. Die erfindungsgemässen Anzündsätze weisen eine gegenüber dem Stand der Technik verbesserte Anzündfähigkeit bei Temperaturen unterhalb -35°C, insbesondere bis -54°C auf. Erfindungsgemäss werden die Initialexplosivstoffe vorzugsweise in einem Gesamtanteil von 30 bis 60 Gew.-% bezogen auf die Gesamtmischung eingesetzt.
Als Sauerstoff-liefernde Substanzen sind neben dem aus dem Stand der Technik an sich bekannten Metallperoxid Zinkperoxid auch weitere Sauerstoff-liefernde Substanzen einsetzbar. Als weitere Substanzen in diesem Sinne können im Anzündsatz beispielweise eingesetzt werden: Bleidioxid, Zinndioxid, Cerdioxid Wolframtrioxid und/oder Nitrate von Ammonium, Guanidin, Aminoguanidin, Triaminoguanidin, Dicyandiamidin sowie den Elementen Natrium, Kalium, Magnesium, Calcium, Cer, insbesondere Kaliumnitrat oder basische Cernitrate. Die Menge an Sauerstoff-liefernden Substanzen in den erfindungsgemässen Anzündsätzen kann zwischen 40 und 70 Gew.-%, bezogen auf die Gesamtmischung, schwanken. Die erfindungsgemässen Anzündsätze enthalten 5 - 40 Gew. % Kalium-dinitrobenzofuroxanat als weiteren Initialexplosivstoff. Die Substanz kann sowohl in feinkörnigem Zustand als auch grobkörnig eingesetzt werden. Feinkörnige Substanzen mit einer mittleren Korngrösse von ca. 10 µm werden vorzugsweise dann eingesetzt, wenn die Anzündsätze als verpresste Ladungen verwendet werden, während grobkörnige Substanzen mit einer Korngrösse von etwa 30 µm für weniger stark verdichtete Ladungen, beispielsweise in Randfeuersätzen besonders geeignet sind. Erfindungsgemäss können die Anzündsätze weiterhin Sensibilisatoren, Reduktionsmittel, Friktionsmittel, Sekundärsprengstoffe und/oder Inertstoffe enthalten.According to the invention the object is achieved by primer as defined in claim 1. The ignition charges according to the invention have an ignition capability which is improved over the prior art at temperatures below -35 ° C., in particular up to -54 ° C. According to the invention, the initial explosives are preferably used in a total amount of from 30 to 60% by weight, based on the total mixture.
As oxygen-supplying substances, in addition to the metal peroxide zinc peroxide known per se from the prior art, it is also possible to use further oxygen-supplying substances. As further substances in this sense can be used in the primer example: lead dioxide, tin dioxide, ceria tungsten trioxide and / or nitrates of ammonium, guanidine, aminoguanidine, triaminoguanidine, dicyandiamidine and the elements sodium, potassium, magnesium, calcium, cerium, especially potassium nitrate or basic cerium nitrates. The amount of oxygen-providing substances in the novel igniter compositions can vary between 40 and 70% by weight, based on the total mixture. The novel ignition charges contain 5 to 40% by weight of potassium dinitrobenzofuroxanate as further initial explosive. The substance can be used both in fine-grained state and coarse-grained. Fine-grained substances having a mean particle size of about 10 microns are preferably used when the primer charges are used as compressed charges, while coarse-grained substances having a particle size of about 30 microns for less highly dense charges, for example in rimfire sets are particularly suitable. According to the invention, the primer sets may further contain sensitizers, reducing agents, friction agents, secondary explosives and / or inert substances.

Im Falle der Anwesenheit von Sensibilisatoren, vorzugsweise Tetrazen, können Anteile von 0 bis 10 Gew.-%, bezogen auf die Gesamtmischung vorhanden sein.In the case of the presence of sensitizers, preferably tetracene, proportions of 0 to 10 wt .-%, based on the total mixture may be present.

Reduktionsmittel, die einen Beitrag zur Umsetzung liefern, eignen sich in den erfindungsgemässen Anzündsätzen zur Verbesserung des Anzündvermögens und bewirken teilweise auch eine Erhöhung der mechanischen Empfindlichkeit. Geeignete Stoffe sind vorzugsweise ausgewählt aus Kohlenstoff und/oder Metallpulvern, insbesondere von Bor, Aluminium, Cer, Titan, Zirkon, Magnesium und Silizium, Metallegierungen, insbesondere Cer-Magnesium, Cer-Silizium, Titan-Aluminium, Aluminium-Magnesium, Calciumsilizid und Metallsulfiden, insbesondere Antimonsulfid und Molybdänsulfid sowie Metallhydride, beispielsweise Titanhydrid, insbesondere in einem Anteil von 0 bis 10 Gew.-%, bezogen auf die Gesamtmischung. Einige Reduktionsmittel können gleichzeitig auch die Funktion eines Friktionsmittels erfüllen, wie beispielsweise Antimonsulfide oder Calciumsilizide. Während der Anteil der Reduktionsmittel im Anzündsatz 0 bis 10 Gew.-% betragen kann, können Friktionsmittel, die an der Umsetzung während des Abbrands teilnehmen in Mengen von bis zu 15 Gew.-%, bezogen auf die Gesamtmischung, in den erfindungsgemässen Anzündsätzen vorhanden sein.Reducing agents which contribute to the reaction are suitable in the novel igniter compositions for improving the ignitability and in some cases also cause an increase in the mechanical sensitivity. Suitable substances are preferably selected from carbon and / or metal powders, in particular boron, aluminum, cerium, titanium, zirconium, magnesium and silicon, metal alloys, in particular cerium magnesium, cerium silicon, titanium aluminum, aluminum magnesium, calcium silicide and metal sulfides , in particular antimony sulfide and molybdenum sulfide and metal hydrides, for example titanium hydride, in particular in a proportion of 0 to 10 wt .-%, based on the total mixture. Some reducing agents may simultaneously perform the function of a friction agent, such as antimony sulfides or calcium silicides. While the proportion of reducing agent in the initial charge may be 0 to 10% by weight, friction agents which participate in the reaction during combustion may be present in amounts of up to 15% by weight, based on the total mixture, in the novel igniter compositions ,

Als weitere Komponenten, die einen Beitrag zur Umsetzung liefern, sind insbesondere Sekundärexplosivstoffe geeignet, wie beispielsweise Nitrocellulose oder Pentaerythrittetranitrat. Als weitere Beispiele seien Oktogen und Hexogen genannt, sowie Aminoverbindungen von nitrierten Aromaten, beispielsweise des Trinitrobenzols, wie Mono-, Di- oder Triaminotrinitrobenzol oder Aminohexanitrodiphenyl, weiterhin die Acylierungsprodukte dieser Verbindungen wie beispielsweise Hexanitrooxanilid oder Hexanitrodiphenylharnstoff. Ferner zählen beispielsweise zu diesen Sekundärexplosivstoffen Hexanitrostilben, Hexanitrodiphenyloxid, Hexanitrodiphenylsulfid, Hexanitrodiphenylsulfon und Hexanitrodiphenylamin sowie Tetranitrocarbazol, Tetranitroacridon oder Polyvinylnitrat sowie Nitrotriazolon und seine Verbindungen. Der Anteil dieser Stoffe am Anzündsatz kann 0 bis 30 Gew.-% bezogen auf die Gesamtmischung ausmachen.Secondary explosives, such as, for example, nitrocellulose or pentaerythritol tetranitrate, are particularly suitable as further components which contribute to the reaction. Further examples which may be mentioned are octogen and hexogen, and also amino compounds of nitrated aromatics, for example of trinitrobenzene, such as mono-, di- or triaminotrinitrobenzene or aminohexanitrodiphenyl, furthermore the acylation products of these compounds, for example hexanitrooxanilide or hexanitrodiphenylurea. Further, for example, these secondary explosives include hexanitrostilbene, hexanitrodiphenyloxide, hexanitrodiphenylsulfide, hexanitrodiphenylsulfone and hexanitrodiphenylamine, as well as tetranitrocarbazole, tetranitroacridone or polyvinyl nitrate, and nitrotriazolone and its compounds. The proportion of these substances in the initial charge can be 0 to 30 wt .-% based on the total mixture.

Als Inertstoffe eignen sich in den erfindungsgemässen Anzündsätzen an sich bekannte Stoffe, die oft auch zur Abstimmung der Eigenschaften dieser Sätze auf den jeweiligen Verwendungszweck mit eingesetzt werden. Insbesondere seien hier Bindemittel, Klebstoffe, Farbstoffe, Passivatoren erwähnt, die vorzugsweise in einem Anteil von 0 bis 20 Gew.-%, bezogen auf die Gesamtmischung enthalten sein können. Beispielhaft seien hier Calciumcarbonat, Titandioxid und/oder weisses Bornitrid genannt.Suitable inert substances in the igniter compositions according to the invention are substances which are known per se and are often also used to coordinate the properties of these fractions with the particular intended use. Particular mention may be made here of binders, adhesives, dyes, passivators which are preferably present in an amount of from 0 to 20% by weight, may be included based on the total mixture. Examples include calcium carbonate, titanium dioxide and / or white boron nitride.

Die Herstellung der erfindungsgemässen Anzündsätze erfolgt nach an sich bekannten Verfahren durch Sieben der trockenen oder Kneten der wasserfeuchten Mischung. Die Dosierung der wasserfeuchten Masse kann dabei durch Einstreichen der Lochplatten oder durch Strangpressen erfolgen.The preparation of the novel ignition charges is carried out according to methods known per se by sieving the dry or kneading the water-moist mixture. The dosage of the water-moist mass can be done by brushing the perforated plates or by extrusion.

Es wurde überraschend gefunden, dass durch Zusatz von Kalium-dinitrobenzofuroxanat zu wohlbekannten Anzündsatzrezepturen basierend auf Blei-trinitroresorcinat die Anzündleistung insbesondere bei tiefen Temperaturen deutlich gesteigert wird, dies verbreitert den Einsatzbereich von Patronen unterschiedlicher Kaliber deutlich.It has surprisingly been found that by adding potassium dinitrobenzofuroxanate to well-known primer formulations based on lead trinitroresorcinate, the ignition performance is markedly increased, especially at low temperatures, which clearly widens the range of use of cartridges of different calibers.

BeispieleExamples

In Tabelle 1 sind zum einen die klassische SINOXID Anzündmischung (Vergleichsbeispiel) und die mit Kalium-dinitrobenzofuroxanat angereicherte Mischung 1 dargestellt. Vergleichsbeispiel Beispiel 1 Blei-trinitroresorcinat 38% 30 % Kaliumdinitrobenzofuroxanat 0% 15% Tetrazen 3% 4% Bariumnitrat 38% 35 % Bleidioxid 5% 6% Calciumsilicid 11% 5% Titan 5% 5% Table 1 shows, on the one hand, the classic SINOXID igniter mixture (comparative example) and the potassium dinitrobenzofuroxanate-enriched mixture 1. Comparative example example 1 Lead trinitroresorcinat 38% 30% potassium dinitrobenzofuroxanate 0% 15% tetracene 3% 4% barium 38% 35% dioxide 5% 6% calcium silicide 11% 5% titanium 5% 5%

Aus diesen beiden Beispielsätzen wurden Amboss-Anzünd-Hütchen mit einer Lademasse von jeweils ca. 38 mg hergestellt. Der schematische Aufbau eines solchen Amboss-Anzünd-Hütchen ist in Figur 1 dargestellt und wird nachstehend näher erläutert.From these two sets of examples, anvil priming caps were produced with a loading mass of about 38 mg each. The schematic structure of such an anvil priming cap is in FIG. 1 and will be explained in more detail below.

Das Amboss-Anzünd-Hütchen (1) enthält den Anzündsatz (Anzündmischung) (2) in einer becherförmig ausgeformten äußeren Hülle (3) aus Kupfer oder einer Kupferlegierung. Die Öffnung der becherförmigen äußeren Hülle (3) ist mit einem Ambossplättchen (4) verschlossen, wobei die kegelförmige, hohle Aufwölbung des Ambossplättchen (4) in Richtung des Anzündsatzes (2) zeigt. Zwischen dem Anzündsatz (2) und dem Ambossplättchen (4) ist eine Trennschicht (5) angeordnet.The anvil priming cap (1) contains the primer (igniting mixture) (2) in a cup-shaped outer shell (3) of copper or a copper alloy. The opening of the cup-shaped outer shell (3) is closed with an anvil plate (4), wherein the conical, hollow curvature of the anvil plate (4) in the direction of the ignition charge (2) shows. Between the ignition charge (2) and the anvil plate (4) a separating layer (5) is arranged.

Die Amboss-Anzünd-Hütchen wurden in Patronen Kaliber 338 identisch laboriert (s. Tabelle 2), 4 Stunden bei -54°C konditioniert und in einem Standardversuchsaufbau hinsichtlich Maximaldruck und Geschossgeschwindigkeit untersucht. Dabei zeigt sich überraschend eine deutlich geringerer Anzündverzug (t2) der mit Beispielmischung 1 laborierten Amboss-Anzünd-Hütchen bei Temperaturen von -54°C wie in Tabelle 2 dargestellt. Tabelle 2 Übersicht Beschussergebnisse bei -54°C Vergleichsbeispiel Beispiel 1 Treibladungspulver Typ N165 N165 Masse 5,835 g 5,835 g Beschussanzahl 10 10 Maximaldruck Mittelwert 3398 bar 3077 bar Minimal-Wert 3252 bar 2939 bar Maximal-Wert 3579 bar 3267 bar Geschossgeschwindigkeit Mittelwert 819,7 m/s 803,1 m/s Minimal-Wert 810,7 m/s 793,2 m/s Maximal-Wert 828,8 m/s 815,8 m/s Anzündverzugszeit (t2) Mittelwert 10,70 ms 1,08 ms Minimal-Wert 1,84 ms 0,93 ms Maximal-Wert 36,49 ms 1,26 ms The anvil priming capsules were identically labarded in caliber 338 cartridges (see Table 2), conditioned at -54 ° C. for 4 hours and examined in a standard test setup for maximum pressure and bullet velocity. Surprisingly, a significantly lower ignition delay (t2) of the anvil priming capsule with example mixture 1 was observed at temperatures of -54 ° C., as shown in Table 2. Table 2 Overview of firing results at -54 ° C Comparative example example 1 Propellant powder type N165 N165 Dimensions 5.835 g 5.835 g number shelling 10 10 maximum pressure Average 3398 bar 3077 bar Minimum value 3252 bar 2939 bar Maximum value 3579 bar 3267 bar bullet velocity Average 819.7 m / s 803.1 m / s Minimum value 810.7 m / s 793.2 m / s Maximum value 828.8 m / s 815.8 m / s Ignition delay time (t2) Average 10.70 ms 1.08 ms Minimum value 1.84 ms 0.93 ms Maximum value 36.49 ms 1.26 ms

Claims (6)

  1. Ignition charges with initiating explosives selected from the group consisting of lead compounds derived from trinitropolyphenols, such as trinitrophenol, trinitroresorcinol or hydrazoic acid, mixed with oxygen-supplying substances, characterized in that initiating explosives consisting of alkaline metal and/or alkaline earth metal salts of dinitrobenzofuroxans and oxygen-supplying substances consisting of nitrates of ammonium, guanidine, aminoguanidine, triaminoguanidine, dicyandiamidine as well as the elements sodium, potassium, magnesium calcium, cerium and/or polyvalent metal oxides are also contained, wherein the overall quantity of initiating explosives measures 30 to 60 %w/w relative to the overall mixture and the quantity of oxygen-supplying substances measures 40 to 70 %w/w relative to the overall mixture, wherein potassium-dinitrobenzofuroxanate is contained as another initiating explosive in a quantity of 5-40 %w/w relative to the overall mixture, wherein the metal oxides are selected from lead oxide, cerium dioxide, tungsten trioxide and/or zinc dioxide, and wherein the ignition charge can be ignited at temperatures of -35°C to -54°C.
  2. Ignition charges according to claim 1, also containing sensitizers, reducing agents, friction agents, secondary explosives and/or inert substances.
  3. Ignition charges according to claim 2, in particular in a percentage of 0 to 10 %w/w relative to the overall mixture.
  4. Ignition charges according to claim 2, wherein the reducing agents are selected from carbon, metal powders, in particular of boron, aluminum, cerium, titanium, zirconium, magnesium and/or silicon, titanium-aluminum, aluminum-magnesium, calcium silicide and metal sulfides, especially antimony sulfide and/or molybdenum sulfide as well as metal hydrides, for example titanium hydride, in particular in a percentage of 0 to 10 %w/w relative to the overall mixture.
  5. Ignition charges according to claim 2, containing calcium silicide as the friction agent, in particular in a percentage of 0 to 15 %w/w relative to the overall mixture.
  6. Ignition charges according to claim 2, wherein the secondary explosives are selected from hexagon, octagon and amino compounds of nitrided aromatics, in particular in a percentage of 0 to 30 %w/w relative to the overall mixture.
EP09752331.0A 2008-11-07 2009-11-05 Ignition sets with improved ignition performance Active EP2352710B1 (en)

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PL09752331T PL2352710T3 (en) 2008-11-07 2009-11-05 Ignition sets with improved ignition performance

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DE102008056437 2008-11-07
PCT/EP2009/064677 WO2010052269A1 (en) 2008-11-07 2009-11-05 Ignition sets with improved ignition performance

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EP2352710A1 EP2352710A1 (en) 2011-08-10
EP2352710B1 true EP2352710B1 (en) 2018-02-28

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US (1) US10118871B2 (en)
EP (1) EP2352710B1 (en)
BR (1) BRPI0921212B1 (en)
CA (1) CA2743063C (en)
DE (1) DE102009052120A1 (en)
ES (1) ES2671032T3 (en)
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WO (1) WO2010052269A1 (en)

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CN102875268A (en) * 2012-10-15 2013-01-16 福建省民爆化工股份有限公司 Manufacturing method of potassium picrate-red lead silicon series electric ignition charge
US11920910B2 (en) * 2014-02-26 2024-03-05 Northrop Grumman Systems Corporation Compositions usable as flare compositions, countermeasure devices containing the flare compositions, and related methods
US20180258007A1 (en) * 2014-12-23 2018-09-13 General Dynamics OTS - Canada, Inc. Tungsten oxide primer compositions

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Publication number Priority date Publication date Assignee Title
DE1090557B (en) * 1959-07-24 1960-10-06 Dynamit Nobel Ag End sets for percussion and friction flares of any kind
US4675059A (en) 1986-02-27 1987-06-23 Olin Corporation Non-toxic, non-corrosive priming mix
US5549769A (en) * 1989-03-20 1996-08-27 Breed Automotive Technology, Inc. High temperature stable, low imput energy primer/detonator
US20010001970A1 (en) * 1995-10-28 2001-05-31 Rainer Hagel Lead- and barium-free propellant charges
DE19540278A1 (en) * 1995-10-28 1997-04-30 Dynamit Nobel Ag Lead- and barium-free igniters
DE19616627A1 (en) 1996-04-26 1997-11-06 Dynamit Nobel Ag Kindling mixtures
RU2110505C1 (en) * 1997-03-18 1998-05-10 Акционерное общество закрытого типа "Би-Вест Импорт - Русское отделение" Pyrotechnic impact composition for central impact detonators in shooting arm cartridges
WO1999048842A1 (en) * 1998-03-20 1999-09-30 Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik Primary explosives and primers which can be ignited by electric triggering
CZ288858B6 (en) * 1999-09-17 2001-09-12 Sellier & Bellot, A. S. Non-toxic and non-corroding igniting mixture
US6878221B1 (en) * 2003-01-30 2005-04-12 Olin Corporation Lead-free nontoxic explosive mix
US20050098248A1 (en) * 2003-06-26 2005-05-12 Vladimir Nikolaevich Khovonskov Ammunition primer composition for small arms
US8784583B2 (en) * 2004-01-23 2014-07-22 Ra Brands, L.L.C. Priming mixtures for small arms
WO2007071650A2 (en) * 2005-12-20 2007-06-28 Ruag Ammotec Gmbh Primer composition

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ES2671032T3 (en) 2018-06-04
EP2352710A1 (en) 2011-08-10
US10118871B2 (en) 2018-11-06
WO2010052269A1 (en) 2010-05-14
BRPI0921212B1 (en) 2019-10-15
DE102009052120A1 (en) 2010-06-02
CA2743063C (en) 2018-01-16
BRPI0921212A2 (en) 2016-02-23
PL2352710T3 (en) 2018-10-31
CA2743063A1 (en) 2010-05-14
US20110259484A1 (en) 2011-10-27

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