EP0340761B1 - Propulsive charges for big calibre projectiles - Google Patents
Propulsive charges for big calibre projectiles Download PDFInfo
- Publication number
- EP0340761B1 EP0340761B1 EP89108044A EP89108044A EP0340761B1 EP 0340761 B1 EP0340761 B1 EP 0340761B1 EP 89108044 A EP89108044 A EP 89108044A EP 89108044 A EP89108044 A EP 89108044A EP 0340761 B1 EP0340761 B1 EP 0340761B1
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- EP
- European Patent Office
- Prior art keywords
- propellant
- propellent charge
- powder
- charges
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/38—Separately-loaded propellant charges, e.g. cartridge bags
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
- C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
- C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/16—Cartridges, i.e. cases with charge and missile characterised by composition or physical dimensions or form of propellant charge, with or without projectile, or powder
Definitions
- the present invention relates to propellant charges for large-caliber projectiles which contain propellant powder grains as a powder component.
- FR-A-2 418 781 describes compact, dense powder elements made of secondary explosive crystals and polymers.
- the polymer must direct and stabilize the burning of the high-energy explosive so that no deflagration or detonation occurs. It is therefore an indispensable, desensitizing component of the propellant powder.
- EP-A-0 005 112 describes propellant charges of particularly high charge density.
- the high loading density is achieved by packing at least two, preferably three powder components of different dimensions as densely as possible. To fix this state, binders are added that can also react with the powder components. The change in the powder surface caused thereby leads to an improvement in strength and the desired high charge density, but on the other hand to a desensitization and thus to poor ignition properties of the propellant charge.
- the task was therefore to find a propellant charge for large-caliber ammunition that burns completely, including its cartridge, and has a high mechanical strength.
- the load to be found should also offer the possibility of integrating a central lighting system and internal ballistic parameters that enable it to be used as a propellant for large-caliber bullets of various types.
- Suitable organic polymers are those polymers which have adhesive properties, harden to solid products and are not attacked in contact with propellant particles. They must be resistant to the plasticizers and other additives such as stabilizers or combustion moderators present in the powder grains. On the other hand, they must not contain any plasticizers, solvents or other additives that attack the powder grains. Polymers that have these properties are generally known. In preliminary tests it can easily be determined whether the polymer has the desired properties. Examples of polymers that can be used are the polyurethanes, polyolefins and polyvinyl compounds that harden to solid products such as polyvinyl acetate or polyvinyl nitrate. Copolymers can also be used, such as acrylonitrile-butadiene-styrene copolymers.
- the polymers are preferably in foamed form as rigid foam.
- the foam should be as large as possible, so that it has a density between 15 and 20 kg / m3.
- the preferred foams are polyurethane foams and polyethylene foams.
- the former are used particularly with single-base propellant powders, the latter with multi-base propellant powders.
- the amount of the polymers used is at most 10% by weight, based on the molding.
- the minimum amount depends on the binding properties of the respective polymer and the desired burn-up data of the propellant charge. It is therefore possible to use the amount of polymer to modify the burnup data of the propellant charge in a desired direction.
- the upper limit of the polymer can be higher than when using non-foamed polymers; the latter are contained in the claimed propellant charges preferably in amounts between 0.2 and 5% by weight. If the polymers are in foamed form, they are generally between 1.5 and 8% by weight, preferably between 2.0 and 5% by weight, based on the charge.
- the propellant powder grains which are connected by the organic polymer are propellant powder grains known per se which are used as propellant charges for large-caliber projectiles. They can exist as a basic or multi-basic powder grains. The geometric shape can also be arbitrary; it depends on the desired burning characteristics and the intended use of the finished loads. You can consequently z. B. as tube powder, multi-hole powder, flake powder or tube powder and mixtures of these are present.
- the individual propellant grains are distributed homogeneously in the claimed molded body.
- the position and orientation of the individual grains with each other is irrelevant.
- the polymer need not fill the entire space between the grains; voids may remain between the grains.
- Such a form of implementation is even preferred and can be achieved in that the individual grains are coated in a first step with the not yet cured polymer and poured onto a desired shape in which the polymer is cured without pressure.
- the preparation is expediently carried out by pouring the propellant particles in the desired form onto a layer of the polymer which has not yet been foamed and then allowing the polymer to foam into the bulk powder.
- the temperature of the polymer must not exceed 100 ° C.
- the foam then penetrates evenly through the remaining gaps of the bulk powder during foaming and connects the individual grains to one another to form a solid, dimensionally stable charge. This charge then burns off like a pure bulk charge and leaves no residue.
- the claimed moldings preferably have a cylindrical shape. Furthermore, they can have a central bore in the cylinder axis. In this form, they are suitable as modules in a propellant charge system for large-caliber ones Bullets that are ignited with a central lighting system. These modules can be used directly and do not require a cartridge or sleeve made of combustible material. The length of the cylinders then corresponds to the length of the desired modules.
- the shaped bodies can also be used as support rings in known combustible propellant charge containers made of combustible material in order to give these containers better dimensional stability.
- a support ring can also form the end of such a known propellant charge container; in this case a central drilling is not necessary.
- the cylindrical or cylindrical shaped bodies can furthermore have further through-bores parallel to the central borehole in addition to the central bore for firing.
- This form of implementation is also preferably suitable in the event that the shaped bodies are used as support rings.
- the diameter of a central bore in a cylindrical shaped body can be up to 30% of the diameter of the cylinder. Further through holes parallel to the axis can have diameters up to this size; however, in those cases where an inventive propellant ring has three or more through bores, the cross sectional area of the through bores should not be more than half the cross sectional area of the cylinder.
- FIG. 1 is a perspective view of a cylinder according to the invention, which was produced by foaming 150 g of liquid, foamable polyurethane into a bed of 3,000 g of propellant charge powder particles (multi-hole powder) in a tube with a diameter of 157 mm.
- the propellant particles 1 are firmly embedded in the foam 2 after its foaming and curing.
- the height of the cylindrical propellant charge obtained was 185 mm.
- Figure 2 shows a cylinder, which was produced in the same way as that of Figure 1, partially cut away. It also contains a central bore 3, which was obtained in that a cylinder with the diameter of the bore 3 was arranged centrally in the tube into which the polyurethane and the powder grains were introduced, which was removed after the foam had cured.
- This body contains propellant powder grains of different geometries.
Abstract
Description
Gegenstand der vorliegenden Erfindung sind Treibladungen für großkalibrige Geschosse, die als Pulverbestandteil Treibladungspulverkörner enthalten.The present invention relates to propellant charges for large-caliber projectiles which contain propellant powder grains as a powder component.
Es ist bekannt, Treibladungen für großkalibrige Munition in verbrennbaren Kartuschen einzusetzen, wie sie beispielsweise in der DE 34 17 739-A1 oder der EP 0 157 211-A1 beschrieben sind. Solche Kartuschen verbrennen gleichzeitig während des Abbrands der darin mit enthaltenen Treibladung, wodurch ein Ausstoßen der bisher üblichen Metallkartuschen vermieden wird. Nachteilig bei diesen Kartuschen aus verbrennbarem Material wirkt sich die ungenügende Festigkeit dieser Kartuschen aus. Diese ungenügende Festigkeit tritt besonders dann ein, wenn der Gehalt an Nitrocellulose in diesem Kartuschenmaterial genügend hoch ist, daß eine gute Verbrennung stattfindet. Eine Herabsetzung des Nitrocelluloseanteils in dem Kartuschenmaterial führt zwar zu einer Verbesserung der Festigkeit, bewirkt aber andererseits eine schlechtere Verbrennbarkeit.It is known to use propellant charges for large-caliber ammunition in combustible cartridges, as are described, for example, in DE 34 17 739-A1 or EP 0 157 211-A1. Such cartridges burn simultaneously during the combustion of the propellant charge contained therein, thereby preventing the metal cartridges which have been customary to be ejected. A disadvantage of these cartridges made of combustible material is the insufficient strength of these cartridges. This insufficient strength occurs especially when the nitrocellulose content in this cartridge material is sufficiently high that good combustion takes place. A reduction in the proportion of nitrocellulose in the cartridge material leads to an improvement in strength, on the other hand, it causes poorer combustibility.
Die FR-A-2 418 781 beschreibt kompakte, dichte Pulverelemente aus Sekundärsprengstoffkristallen und Polymeren. Das Polymere muß den Abbrand des hochenergetischen Sprengstoffs lenken und stabilisieren, damit keine Deflagration oder Detonation auftritt. Es ist somit unverzichtbarer, phlegmatisierender Bestandteil der Treibladungspulvermasse.FR-A-2 418 781 describes compact, dense powder elements made of secondary explosive crystals and polymers. The polymer must direct and stabilize the burning of the high-energy explosive so that no deflagration or detonation occurs. It is therefore an indispensable, desensitizing component of the propellant powder.
Die EP-A-0 005 112 beschreibt Treibladungen besonders hoher Ladedichte. Die hohe Ladedichte wird erreicht, in dem mindestens zwei, vorzugsweise drei Pulverkomponenten verschiedener Dimensionen möglichst dicht gepackt werden. Um diesen Zustand zu fixieren, werden Binder zugesetzt, die auch mit den Pulverkomponenten reagieren können. Die hierdurch verursachte Veränderung der Pulveroberfläche führt zwar zu einer Verbesserung der Festigkeit und zu der gewünschten hohen Ladedichte, auf der anderen Seite aber zu einer Phlegmatisierung und damit zu schlechten Anzündeigenschaften der Treibladung.EP-A-0 005 112 describes propellant charges of particularly high charge density. The high loading density is achieved by packing at least two, preferably three powder components of different dimensions as densely as possible. To fix this state, binders are added that can also react with the powder components. The change in the powder surface caused thereby leads to an improvement in strength and the desired high charge density, but on the other hand to a desensitization and thus to poor ignition properties of the propellant charge.
Es bestand deshalb die Aufgabe, für großkalibrige Munition eine Treibladung aufzufinden, die einschließlich ihrer Kartusche vollständig verbrennt und eine hohe mechanische Festigkeit besitzt. Die aufzufindende Ladung soll zusätzlich die Möglichkeit bieten, eine zentrale Anfeuerung darin zu integrieren und innenballistische Parameter aufweisen, die ihren Einsatz als Treibmittel für großkalibrige Geschosse verschiedener Art ermöglichen.The task was therefore to find a propellant charge for large-caliber ammunition that burns completely, including its cartridge, and has a high mechanical strength. The load to be found should also offer the possibility of integrating a central lighting system and internal ballistic parameters that enable it to be used as a propellant for large-caliber bullets of various types.
In Erfüllung dieser Aufgabe wurde nun eine Treibladung für großkalibrige Geschosse mit den in Anspruch 1 angegebenen Merkmalen gefunden.In fulfilling this task, a propellant charge for large-caliber projectiles with the features specified in
Als organische Polymere eignen sich solche Polymere, die Klebeeigenschaften besitzen, zu festen Produkten aushärten und im Kontakt mit Treibladungskörnern nicht angegriffen werden. Sie müssen beständig gegenüber den in den Pulverkörnern anwesenden Weichmachern und sonstigen Zuschlagstoffen wie Stabilisatoren oder Abbrandmoderatoren sein. Andererseits dürfen sie auch keine Weichmacher, Lösungsmittel oder sonstige Zuschlagstoffe enthalten, die die Pulverkörner angreifen. Polymere, die diese Eigenschaften haben, sind allgemein bekannt. In Vorversuchen läßt sich leicht ermitteln, ob das Polymere diese gewünschten Eigenschaften besitzt. Beispiele für einsetzbare Polymere sind die zu festen Produkten aushärtenden Polyurethane, Polyolefine und Polyvinyl-verbindungen wie Polyvinylacetat oder Polyvinylnitrat. Auch Copolymere können eingesetzt werden, wie z.B. Acrylnitril-Butadien-Styrol-Copolymere.Suitable organic polymers are those polymers which have adhesive properties, harden to solid products and are not attacked in contact with propellant particles. They must be resistant to the plasticizers and other additives such as stabilizers or combustion moderators present in the powder grains. On the other hand, they must not contain any plasticizers, solvents or other additives that attack the powder grains. Polymers that have these properties are generally known. In preliminary tests it can easily be determined whether the polymer has the desired properties. Examples of polymers that can be used are the polyurethanes, polyolefins and polyvinyl compounds that harden to solid products such as polyvinyl acetate or polyvinyl nitrate. Copolymers can also be used, such as acrylonitrile-butadiene-styrene copolymers.
Bevorzugt liegen die Polymeren in aufgeschäumter Form als Hartschaum vor. Der Schaum soll möglichst großporig sein, so daß er eine Dichte zwischen 15 und 20 kg/m³ besitzt. Die bevorzugten Schäume sind Polyurethanschäume und Polyethylenschäume. Erstere werden besonders bei einbasigen Treibladungspulvern, letztere bei mehrbasigen Treibladungspulvern verwendet.The polymers are preferably in foamed form as rigid foam. The foam should be as large as possible, so that it has a density between 15 and 20 kg / m³. The preferred foams are polyurethane foams and polyethylene foams. The former are used particularly with single-base propellant powders, the latter with multi-base propellant powders.
Die Menge der eingesetzten Polymeren liegt maximal bei 10 Gew.-%, bezogen auf den Formkörper. Die Minimalmenge hängt von den Bindeeigenschaften des jeweiligen Polymeren und den gewünschten Abbranddaten der Treibladung ab. Es ist demzufolge möglich, mittels der Menge des Polymeren die Abbranddaten der Treibladung in einer gewünschten Richtung zu modifizieren. Beim Einsatz von Schäumen kann die Obergrenze des Polymeren höher sein als beim Einsatz von ungeschäumten Polymeren; letztere sind in den beanspruchten Treibladungen vorzugsweise in Mengen zwischen 0,2 und 5 Gew.-% enthalten. Beim Vorliegen der Polymeren in geschäumter Form liegen diese im allgemeinen zwischen 1,5 und 8 Gew.-%, vorzugsweise zwischen 2,0 und 5 Gew.-%, bezogen auf die Ladung, vor.The amount of the polymers used is at most 10% by weight, based on the molding. The minimum amount depends on the binding properties of the respective polymer and the desired burn-up data of the propellant charge. It is therefore possible to use the amount of polymer to modify the burnup data of the propellant charge in a desired direction. When using foams, the upper limit of the polymer can be higher than when using non-foamed polymers; the latter are contained in the claimed propellant charges preferably in amounts between 0.2 and 5% by weight. If the polymers are in foamed form, they are generally between 1.5 and 8% by weight, preferably between 2.0 and 5% by weight, based on the charge.
Die Treibladungspulverkörner, die durch das organische Polymere verbunden werden, sind an sich bekannte Treibladungspulverkörner, die als Treibladungen für großkalibrige Geschosse eingesetzt werden. Sie können als ein basige oder mehrbasige Pulverkörner vorliegen. Die geometrische Form kann ebenfalls beliebig sein; sie richtet sich nach den gewünschten Abbrandcharakteristiken und dem Verwendungszweck der fertigen Ladungen. Sie können demzufolge z. B. als Röhrenpulver, Mehrlochpulver, Blättchenpulver oder Röhrchenpulver und Mischungen von diesen vorliegen.The propellant powder grains which are connected by the organic polymer are propellant powder grains known per se which are used as propellant charges for large-caliber projectiles. They can exist as a basic or multi-basic powder grains. The geometric shape can also be arbitrary; it depends on the desired burning characteristics and the intended use of the finished loads. You can consequently z. B. as tube powder, multi-hole powder, flake powder or tube powder and mixtures of these are present.
In dem beanspruchten Formkörper liegen die einzelnen Treibladungskörner homogen verteilt vor. Die Lage und Ausrichtung der einzelnen Körner zueinander spielt keine Rolle. Beim Einsatz von nicht aufgeschäumten Polymeren braucht das Polymere nicht den gesamten Zwischenraum zwischen den Körnern auszufüllen; es können Hohlräume zwischen den Körnern verbleiben. Eine solche Durchführungsform ist sogar bevorzugt und läßt sich dadurch erreichen, daß die einzelnen Körner in einem ersten Arbeitsgang mit dem noch nicht ausgehärteten Polymeren überzogen werden und darauf in eine gewünschte Form geschüttet werden, in der die drucklose Aushärtung des Polymeren stattfindet.The individual propellant grains are distributed homogeneously in the claimed molded body. The position and orientation of the individual grains with each other is irrelevant. When using non-foamed polymers, the polymer need not fill the entire space between the grains; voids may remain between the grains. Such a form of implementation is even preferred and can be achieved in that the individual grains are coated in a first step with the not yet cured polymer and poured onto a desired shape in which the polymer is cured without pressure.
Beim Einsatz von schäumfähigen Polymeren erfolgt die Herstellung zweckmäßigerweise so, daß man in der gewünschten Form die Treibladungskörner auf eine Schicht des noch nicht aufgeschäumten Polymeren schüttet und anschließend das Polymere in das Schüttpulver aufschäumen läßt. Während des Aufschäumvorganges darf die Temperatur des Polymeren 100 °C nicht übersteigen. Der Schaum dringt dann während des Aufschäumens durch die verbleibenden Zwischenräume des Schüttpulvers gleichmäßig hindurch und verbindet die einzelnen Körner miteinander zu einer festen, formstabilen Ladung. Diese Ladung brennt dann wie eine reine Schüttladung ab und hinterläßt keine Rückstände.When foamable polymers are used, the preparation is expediently carried out by pouring the propellant particles in the desired form onto a layer of the polymer which has not yet been foamed and then allowing the polymer to foam into the bulk powder. During the foaming process, the temperature of the polymer must not exceed 100 ° C. The foam then penetrates evenly through the remaining gaps of the bulk powder during foaming and connects the individual grains to one another to form a solid, dimensionally stable charge. This charge then burns off like a pure bulk charge and leaves no residue.
Die beanspruchten Formkörper haben vorzugsweise Zylinderform. Weiterhin können sie eine zentrale Bohrung in der Zylinderachse aufweisen. In dieser Form eignen sie sich als Module in einem Treibladungssystem für großkalibrige Geschosse, die mit einem zentralen Anfeuerungssystem gezündet werden. Diese Module können direkt eingesetzt werden und benötigen keine Kartusche oder Hülse aus verbrennbarem Material. Die Länge der Zylinder entspricht dann der Länge der gewünschten Module.The claimed moldings preferably have a cylindrical shape. Furthermore, they can have a central bore in the cylinder axis. In this form, they are suitable as modules in a propellant charge system for large-caliber ones Bullets that are ignited with a central lighting system. These modules can be used directly and do not require a cartridge or sleeve made of combustible material. The length of the cylinders then corresponds to the length of the desired modules.
Die Formkörper können jedoch auch als Stützringe in bekannten verbrennbaren Treibladungsbehältern aus verbrennbarem Material eingesetzt werden, um diesen Behältern eine bessere Formbeständigkeit zu verleihen. Ein solcher Stützring kann auch den Abschluß eines solchen bekannten Treibladungsbehälters bilden; in diesem Fall ist eine zentrale Bohrung nicht notwendig.However, the shaped bodies can also be used as support rings in known combustible propellant charge containers made of combustible material in order to give these containers better dimensional stability. Such a support ring can also form the end of such a known propellant charge container; in this case a central drilling is not necessary.
Die zylindrischen oder zylinderförmigen Formkörper können weiterhin zusätzlich zu der genannten zentralen Bohrung für eine Anfeuerung noch weitere durchgehende Bohrungen parallel zu der Zentralbohrung aufweisen. Diese Durchführungsform eignet sich ebenfalls bevorzugt für den Fall, daß die Formkörper als Stützringe eingesetzt werden.The cylindrical or cylindrical shaped bodies can furthermore have further through-bores parallel to the central borehole in addition to the central bore for firing. This form of implementation is also preferably suitable in the event that the shaped bodies are used as support rings.
Der Durchmesser einer zentralen Bohrung in einem zylinderförmigen Formkörper kann bis zu 30 % des Durchmessers des Zylinders betragen. Auch weitere achsenparallele Durchbohrungen können Durchmesser bis zu dieser Größe haben; jedoch sollte in diesen Fällen, in denen ein erfindungsgemäßer Treibladungsring drei oder mehrere Durchbohrungen aufweist, die Querschnittsfläche der Durchbohrungen nicht mehr als die halbe Querschnittsfläche des Zylinders ausmachen.The diameter of a central bore in a cylindrical shaped body can be up to 30% of the diameter of the cylinder. Further through holes parallel to the axis can have diameters up to this size; however, in those cases where an inventive propellant ring has three or more through bores, the cross sectional area of the through bores should not be more than half the cross sectional area of the cylinder.
Die Erfindung wird anhand der beigefügten Zeichnungen beispielhaft erläutert.The invention is explained by way of example with reference to the accompanying drawings.
Figur 1 ist eine perspektivische Darstellung eines erfindungsgemäßen Zylinders, der hergestellt wurde durch Aufschäumen von 150 g flüssigem, schäumbarem Polyurethan in eine Schüttung von 3 000 g Treibladungspulverkörnern (Mehrlochpulver) in einem Rohr von 157 mm Durchmesser. Die Treibladungskörner 1 sind in dem Schaum 2 nach dessen Aufschäumen und Aushärten fest eingebettet. Die Höhe des erhaltenen zylindrischen Treibladungskörpers betrug 185 mm.FIG. 1 is a perspective view of a cylinder according to the invention, which was produced by foaming 150 g of liquid, foamable polyurethane into a bed of 3,000 g of propellant charge powder particles (multi-hole powder) in a tube with a diameter of 157 mm. The
Figur 2 zeigt einen Zylinder, der in gleicher Weise wie derjenige von Figur 1 hergestellt wurde, teilweise aufgeschnitten. Er enthält zusätzlich noch eine zentrale Bohrung 3, die dadurch erhalten wurde, daß in dem Rohr, in das das Polyurethan und die Pulverkörner eingegeben wurden, zentral ein Zylinder mit dem Durchmesser der Bohrung 3 angeordnet war, der nach dem Aushärten des Schaums entfernt wurde. Dieser Körper enthält Treibladungspulverkörner unterschiedlicher Geometrie.Figure 2 shows a cylinder, which was produced in the same way as that of Figure 1, partially cut away. It also contains a
Claims (6)
- Propellent charge for large calibre projectiles wherein propellent charge powder elements are bound by organic polymers to form a shaped body, characterised in that as organic polymer a foamable polymer that in the foamed form is present in the shaped body as thermosetting foam is used in amounts between 0.2 and 10% by weight, based on the shaped body.
- Propellent charge according to claim 1, characterised in that the foam is a polyurethane foam.
- Body of propellent charge according to one of the preceding claims, characterised in that it is in the form of a cylinder.
- Body of propellent charge according to claim 3, characterised in that it exhibits, in the axis of the cylinder, a central bore having a diameter up to 30% of the diameter of the cylinder.
- Body of propellent charge according to one of the preceding claims, characterised in that in addition to a central bore it also exhibits bores parallel to this central bore.
- Use of bodies of propellent charge according to claim 5 as supporting rings in cartridge cases for propellent charge powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT89108044T ATE99795T1 (en) | 1988-05-06 | 1989-05-03 | PROPELLER CHARGES FOR LARGE-CALIBRE BULLETS. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3815436A DE3815436A1 (en) | 1988-05-06 | 1988-05-06 | DRIVE CHARGES FOR LARGE-CALIBRED BULLETS |
| DE3815436 | 1988-05-06 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0340761A2 EP0340761A2 (en) | 1989-11-08 |
| EP0340761A3 EP0340761A3 (en) | 1990-09-12 |
| EP0340761B1 true EP0340761B1 (en) | 1994-01-05 |
Family
ID=6353764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89108044A Expired - Lifetime EP0340761B1 (en) | 1988-05-06 | 1989-05-03 | Propulsive charges for big calibre projectiles |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0340761B1 (en) |
| AT (1) | ATE99795T1 (en) |
| DE (2) | DE3815436A1 (en) |
| ES (1) | ES2049273T3 (en) |
| NO (1) | NO891755L (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0499244B1 (en) | 1991-02-15 | 1997-04-16 | Dynamit Nobel GmbH Explosivstoff- und Systemtechnik | Modular propellant charge |
| DE4220063C1 (en) * | 1992-06-19 | 1993-11-18 | Thyssen Guss Ag | Process for producing a protective layer on metallic walls exposed to hot gases, in particular flue gases |
| DE19546582C2 (en) * | 1995-12-13 | 1998-07-30 | Wolfhart Fritze | Maneuver cartridge |
| US5868424A (en) * | 1996-03-06 | 1999-02-09 | Oea, Inc. | Substantially smoke-free and particulate-free inflator for inflatable safety restraint system |
| FR2781878B1 (en) * | 1998-07-31 | 2001-02-16 | Giat Ind Sa | PROCESS FOR IMPLEMENTING A PYROTECHNIC SUBSTANCE AND PYROTECHNIC INITIATOR OBTAINED WITH SUCH A METHOD |
| US6334917B1 (en) | 1998-10-23 | 2002-01-01 | Autoliv Asp, Inc. | Propellant compositions for gas generating apparatus |
| US6176517B1 (en) | 1998-10-23 | 2001-01-23 | Autoliv Aspinc. | Gas generating apparatus |
| US6120626A (en) * | 1998-10-23 | 2000-09-19 | Autoliv Asp Inc. | Dispensing fibrous cellulose material |
| DE102010045383B4 (en) * | 2010-09-14 | 2014-01-16 | Diehl Bgt Defence Gmbh & Co. Kg | Propellant charge |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513633A (en) * | 1937-03-04 | 1939-10-18 | American Cyanamid Co | Improvements in or relating to explosives |
| GB534900A (en) * | 1939-08-17 | 1941-03-21 | American Cyanamid Co | Improvements in or relating to explosives |
| US3049454A (en) * | 1955-08-15 | 1962-08-14 | Howard J Stark | Low density cellular explosive foam |
| DE1214584B (en) * | 1962-10-02 | 1966-04-14 | Kalk Chemische Fabrik Gmbh | Free-flowing explosive and / or propellant mixtures based on inorganic and / or organic explosives |
| US3688697A (en) * | 1969-07-31 | 1972-09-05 | Aerojet General Co | Solid grain caseless ammunition propellant |
| DE2448615C3 (en) * | 1974-10-11 | 1981-04-02 | Hercules Inc., 19899 Wilmington, Del. | Solid propellants and their uses |
| DE2809279C3 (en) * | 1978-03-03 | 1980-11-27 | Deutsch-Franzoesisches Forschungsinstitut Saint-Louis, Saint-Louis (Frankreich) | Propellant masses for guns |
| FR2422925A1 (en) * | 1978-04-13 | 1979-11-09 | France Etat | PROPULSIVE LOADING OF AMMUNITION |
| DE2843477A1 (en) * | 1978-10-05 | 1980-04-17 | Dynamit Nobel Ag | Solid propellant charge - contg. polymeric binder and reinforcing fibres, e.g. cellulosic fibres |
| DE3242106C1 (en) * | 1982-11-13 | 1984-06-14 | Diehl GmbH & Co, 8500 Nürnberg | Propellent charge compositions for barrel-type weapons |
-
1988
- 1988-05-06 DE DE3815436A patent/DE3815436A1/en not_active Withdrawn
-
1989
- 1989-04-27 NO NO89891755A patent/NO891755L/en unknown
- 1989-05-03 EP EP89108044A patent/EP0340761B1/en not_active Expired - Lifetime
- 1989-05-03 ES ES89108044T patent/ES2049273T3/en not_active Expired - Lifetime
- 1989-05-03 DE DE89108044T patent/DE58906615D1/en not_active Expired - Fee Related
- 1989-05-03 AT AT89108044T patent/ATE99795T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE99795T1 (en) | 1994-01-15 |
| DE3815436A1 (en) | 1989-11-16 |
| EP0340761A2 (en) | 1989-11-08 |
| ES2049273T3 (en) | 1994-04-16 |
| EP0340761A3 (en) | 1990-09-12 |
| NO891755L (en) | 1989-11-07 |
| NO891755D0 (en) | 1989-04-27 |
| DE58906615D1 (en) | 1994-02-17 |
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