EP0822385A1 - Primer for propulsive charge - Google Patents
Primer for propulsive charge Download PDFInfo
- Publication number
- EP0822385A1 EP0822385A1 EP97110971A EP97110971A EP0822385A1 EP 0822385 A1 EP0822385 A1 EP 0822385A1 EP 97110971 A EP97110971 A EP 97110971A EP 97110971 A EP97110971 A EP 97110971A EP 0822385 A1 EP0822385 A1 EP 0822385A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- protective tube
- propellant
- ignition
- wall
- 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.)
- Granted
Links
- 230000001141 propulsive effect Effects 0.000 title 1
- 239000004033 plastic Substances 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 18
- 239000002241 glass-ceramic Substances 0.000 claims abstract description 5
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 5
- 239000011224 oxide ceramic Substances 0.000 claims abstract description 5
- 238000000071 blow moulding Methods 0.000 claims abstract description 4
- 239000011888 foil Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 36
- 239000003380 propellant Substances 0.000 claims description 22
- 230000007613 environmental effect Effects 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 claims description 3
- 238000001175 rotational moulding Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 1
- 229920006268 silicone film Polymers 0.000 claims 1
- -1 polypropylene Polymers 0.000 abstract description 7
- 239000004743 Polypropylene Substances 0.000 abstract description 5
- 229920001155 polypropylene Polymers 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 229920002943 EPDM rubber Polymers 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000005060 rubber Substances 0.000 abstract description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 abstract 2
- 238000005474 detonation Methods 0.000 abstract 2
- 229920000573 polyethylene Polymers 0.000 abstract 2
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 2
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910001128 Sn alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920006300 shrink film Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/0823—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition
- F42C19/0826—Primers or igniters for the initiation or the propellant charge in a cartridged ammunition comprising an elongated perforated tube, i.e. flame tube, for the transmission of the initial energy to the propellant charge, e.g. used for artillery shells and kinetic energy penetrators
Definitions
- the invention relates to a propellant lighter for cartridge ammunition with a Ignition tube in which there is a transfer charge.
- TLAnz propellant charge lighter
- the Transfer charge this ignition chain made of easily ignitable powder, which is already under moderate
- the pressure burns off very quickly and the flame passes on very quickly metallic igniter tube of the TLAnz, in which igniter distributor holes over the entire length are distributed.
- Modern TLAnz show - based on the total cartridge - a maximum possible length of the lighting tube to keep the lighting flame unimpeded to bring into the upper (front) propellant powder layers and through the Distribution bores to have the largest possible ignition area available.
- a TLAnz is known in which to protect the amplifier charge against external environmental influences within the jacket tube a thin-walled Protective tube made of a lead-tin alloy is arranged.
- the protective tube is there flush against the inner wall of the casing tube so that the ignition openings are covered are. If the lighter is activated, the pressure surge punches the protective tube onto the Ignition openings.
- the kindling is caused by the simultaneous onset Melting process of the lead-tin alloy weakened by energy withdrawal from the a delay in flame propagation through the ignition openings into the propellant powder follows into it. This delay becomes measurable in time, so that short required ignition times (still less than 50 ms) cannot be achieved.
- a TLAnz of this type has the disadvantage that the material of the Protective tube contains lead components that are released when the cartridge is ignited and get into the environment as toxins and pollutants.
- TLAnz The disadvantage of this TLAnz is that the respective plastic hose with mechanical Loads on the cartridge (e.g. during vibrations carried out in the laboratory) can be damaged because the edges of the hard propellant powder grains in the main charge of the cartridge are in the position, due to the rubbing and scoring processes Wear and damage hose so that the protection against the ingress of Moisture in the TLAnz fails.
- a TLAnz is known in which within the jacket tube a protective cover consisting of a plastic shrink film is arranged, which the transfer charge consisting of several ring tablets holds together and firmly encloses.
- the ignition flame is inhibited, because the locking effect of the enclosing plastic is a delay-free quick Ignition of the entire transfer charge thwarted, causing an increase in Ignition time is measured.
- the object of the present invention is a propellant lighter to be specified which has an ignition tube with a protective tube arranged on the inside, which with rough handling as well as with shock-like temperature changes and increased moisture storage, the booster charge over a period greater than 10 years seals securely against external environmental influences.
- the invention is based on the idea of a protective tube use, which is tight on the inside of the casing tube of the ignition tube and out a thin-walled material, so that the pipe cross section is largely open remains for the passage and forwarding of the ignition.
- a protective tube use which is tight on the inside of the casing tube of the ignition tube and out a thin-walled material, so that the pipe cross section is largely open remains for the passage and forwarding of the ignition.
- Such demands meet in particular protective tubes made of thin-walled glass, oxide or glass ceramics, or inner liner made of plastic with wall thicknesses between 0.1 and 0.8 mm.
- Embodiments have proven to be particularly advantageous in the use of plastics of the invention, in which the protective tube of the inner liner is made of an adhesive film, a blown film or a combination of such films made of plastic, which are to be inserted into the ignition tube.
- an inner liner can be made from a plastic pipe manufactured by the rotational molding process or blow molding Polypropylene (PP) or polyetylene (PE) exist, the production of Protection tube takes place in the ignition tube itself.
- PP Polypropylene
- PE polyetylene
- the protective tube consists of a Mixed metal foil that is protected with a top coat.
- Metallic cerium is Main component of the mixed metal alloy.
- FIG. 1 shows the longitudinal section of a propellant charge lighter according to the invention, such as in the case of cartridges Tank ammunition can be used.
- the propellant lighter designated 1 essentially consists of a head part 2 and one adjoining it in the direction of the longitudinal axis 3 of the igniter 1 Ignition tube 4.
- the head part 2, which has a primer, not shown, and a Booster charge 7 contains is with an external thread 6 for screwing in Propellant lighter 1 in the bottom of the corresponding cartridge (not shown) Mistake.
- the ignition tube 4 which is filled with a transfer charge 5, exposes itself a steel jacket tube 8 with ignition openings 9 and arranged on the inside Sealing together in the form of an inner liner or protective tube 10, which the Ignition openings 9 covers.
- the inner liner or the protective tube 10 is on the front 11 of the ignition tube 4 closed and on its head part 2 of the propellant lighter 1 Page 12 sealed by means of a seal 13 made of an elastic material.
- a suitable plastic film with a maximum wall thickness of 0.25 mm which is coated with a thermally activated adhesive, introduced into the casing tube 8 and heated to a temperature above 65 ° C, usually up to 180 ° C.
- the Adhesive-ready film is then applied to the inside of the casing tube using pressure glued.
- Laminated PU / PE films in particular have been used as film materials proven that e.g. are coated with a reactive 2-component PU adhesive.
- Adhesives based on polyecloroprene, cyanoacrylate etc. are also suitable.
- a plastic hose is melted into the jacket tube 8 extruded.
- a mold with a corresponding blowing opening encloses this Casing pipe. Blown air then attaches the hose to the inside wall of the Jacket tube pressed and cured there.
- tube material have thermoplastics, such as PE, PP, PET, PMP (polymethylene pentene), EPDM and their copolymers and terpolymers. Also fluororubber types and thermoplastic Elastomers are suitable. It is important when choosing the respective material especially that it has a high barrier effect against moisture and water.
- the Wall thickness should be between 0.15 and 0.6 mm.
- a first film can be placed on the inside of the jacket tube glued in and then inserted a plastic tube into the jacket tube will.
- Protection tubes 10 which are closed on one side and self-supporting, must be sufficient be stable in order to withstand mechanical loads (e.g. vibrations, impacts and vibrations) intercept.
- Protective tubes made of an oxide or Glass ceramics have been proven with a wall thickness between 0.3 and 0.6 mm.
- Such a tube is open seen from the igniter and therefore with the head part 2 a thickened brim with a groove that is folded out or in, fitted.
- the groove can be a sealing O-ring or a resilient sealing ring record, tape.
- the front 11 of the casing tube 8 runs in a closed design out. To ensure that the protective tube 10 is firmly seated in the region of the front side 11 a resilient ring element made of soft rubber can also be provided there.
- Oxide-ceramic materials based on zirconium oxide or with zirconium oxide Stabilized aluminum oxide have good bending behavior and can be used for increased mechanical loads are used.
- the invention is not based on the exemplary embodiments described above limited.
- the protective tubes made of plastic can for example not only by blow molding or rotational molding, but also by Injection molding or other extrusion techniques are manufactured.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Lighters Containing Fuel (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Laminated Bodies (AREA)
- Catching Or Destruction (AREA)
- Harvester Elements (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Abstract
Description
Die Erfindung betrifft einen Treibladungsanzünder für patronierte Munition mit einem Anzündrohr, in dem sich eine Übertragungsladung befindet.The invention relates to a propellant lighter for cartridge ammunition with a Ignition tube in which there is a transfer charge.
In einem derartigen Treibladungsanzünder (TLAnz) müssen die empfindlichen explosiven Elemente der Anzündkette in geschützter, umhüllter Form vorliegen. Die Übertragungsladung dieser Anzündkette aus leicht anzündbarem Pulver, das bereits unter mäßigem Druck sehr schnell abbrennt und die Flamme sehr schnell weiterleitet, liegt gekapselt im metallischen Anzündrohr des TLAnz vor, in dem Anzündverteilerbohrungen über die gesamte Länge verteilt sind. Moderne TLAnz weisen - bezogen auf die Gesamtpatrone - eine maximal mögliche lange des Anzündrohres auf, um die Anzündflamme ungehindert bis in die oberen (vorderen) Treibladungspulverschichten zu bringen und durch die Verteilerbohrungen eine größtmögliche Anzündfläche zur Verfügung zu haben.In such a propellant charge lighter (TLAnz) the sensitive explosive elements of the ignition chain are available in a protected, encased form. The Transfer charge this ignition chain made of easily ignitable powder, which is already under moderate The pressure burns off very quickly and the flame passes on very quickly metallic igniter tube of the TLAnz, in which igniter distributor holes over the entire length are distributed. Modern TLAnz show - based on the total cartridge - a maximum possible length of the lighting tube to keep the lighting flame unimpeded to bring into the upper (front) propellant powder layers and through the Distribution bores to have the largest possible ignition area available.
Bei derartigen bekannten TLAnz ist ein erheblicher Aufwand für die Abdichtung der empfindlichen Anzündelemente gegen Umwelteinflüsse erforderlich. So müssen insbesondere die Anzündöffnungen und Gewindeteile des Anzündrohres zuverlässig abgedichtet sein, um die Funktion des TLAnz zu gewährleisten. Sofern die Anzündelemente hingegen nicht ausreichend gegen Feuchtigkeit geschützt sind, treten sofort Versager bzw. Anzündverzögerungen im Abfeuerfall ein. Im Hinblick auf die Forderungen der Abnehmer entsprechender Munition muß die Abdichtung der Übertragungsladung mindestens 10 Jahre in feuchten und feuchtaggressiven Klimaten zuverlässig gewährleistet sein, und zwar selbst dann, wenn die entsprechende Patrone selbst nicht vollständig gegen Feuchtigkeit abgedichtet ist.With such known TLAnz a considerable effort is required to seal the sensitive ignition elements against environmental influences required. So must in particular the ignition openings and threaded parts of the ignition tube are reliable be sealed to ensure the functionality of the TLAnz. Unless the ignition elements however, are not adequately protected against moisture, occur immediately Failure or ignition delays in the event of a fire. In terms of Demands of the buyer of the corresponding ammunition must be the sealing of the transfer charge at least 10 years in humid and moisture-aggressive climates be reliably guaranteed, even if the corresponding cartridge itself is not completely sealed against moisture.
Aus der US-PS 2,446,187 ist ein TLAnz bekannt, bei dem zum Schutz der Verstärkerladung gegen äußere Umgebungseinflüsse innerhalb des Mantelrohres ein dünnwandiges Schutzrohr aus einer Blei-Zinn-Legierung angeordnet ist. Das Schutzrohr liegt dabei bündig an der Innenwand des Mantelrohres an, so daß die Anzündöffnungen verdeckt sind. Im Aktivierungsfall des Anzünders stanzt der Druckstoß das Schutzrohr an den Anzündöffnungen aus. Jedoch wird die Anzündflamme durch den gleichzeitig einsetzenden Schmelzvorgang der Blei-Zinn-Legierung durch Energieentzug geschwächt, aus der eine Verzögerung der Flammenausbreitung durch die Anzündöffnungen in das Treibladungspulver hinein folgt. Diese Verzögerung wird zeitlich meßbar, so daß kurze geforderte Anzündzeiten (weiter unter 50 ms) nicht erzielt werden.From US-PS 2,446,187 a TLAnz is known in which to protect the amplifier charge against external environmental influences within the jacket tube a thin-walled Protective tube made of a lead-tin alloy is arranged. The protective tube is there flush against the inner wall of the casing tube so that the ignition openings are covered are. If the lighter is activated, the pressure surge punches the protective tube onto the Ignition openings. However, the kindling is caused by the simultaneous onset Melting process of the lead-tin alloy weakened by energy withdrawal from the a delay in flame propagation through the ignition openings into the propellant powder follows into it. This delay becomes measurable in time, so that short required ignition times (still less than 50 ms) cannot be achieved.
Außerdem weist ein TLAnz dieser Bauart den Nachteil auf, daß das Material des Schutzrohres Bleibestandteile enthält, die bei der Anzündung der Patrone frei werden und als Gift- und Schadstoffe in die Umgebung gelangen. Schließlich dürfte die Verwendung eines derartigen Schutzrohres aus einer Metallegierung zu einer unzulässigen Erhöhung des Innendruckes des Treibladunganzünders führen.In addition, a TLAnz of this type has the disadvantage that the material of the Protective tube contains lead components that are released when the cartridge is ignited and get into the environment as toxins and pollutants. Finally, the Use of such a protective tube made of a metal alloy to a lead to an impermissible increase in the internal pressure of the propellant lighter.
Aus der EP-0 392 533 B1 und der DE-37 01 145 A1 sind Treibladungsanzünder mit Anzündrohren bekannt, bei denen die Anzündöffnungen durch außenseitig auf dem jeweiligen Mantelrohr aufgebrachte Kunststoffschläuche verdeckt werden.From EP-0 392 533 B1 and DE-37 01 145 A1 propellant lighters are included Ignition tubes are known in which the ignition openings through on the outside each plastic tube applied plastic hoses are covered.
Nachteilig bei diesen TLAnz ist, daß der jeweilige Kunststoffschlauch bei mechanischen Belastungen der Patrone (z.B. bei den bei der Laborierung vorgenommenen Rüttelvorgängen) beschädigt werden kann, denn die Kanten der harten Treibladungspulverkörner in der Hauptladung der Patrone sind in der läge, durch Reib- und Anritzvorgänge den Schlauch abzunutzen und zu beschädigen, so daß der Schutz gegen das Eindringen von Feuchtigkeit in den TLAnz versagt.The disadvantage of this TLAnz is that the respective plastic hose with mechanical Loads on the cartridge (e.g. during vibrations carried out in the laboratory) can be damaged because the edges of the hard propellant powder grains in the main charge of the cartridge are in the position, due to the rubbing and scoring processes Wear and damage hose so that the protection against the ingress of Moisture in the TLAnz fails.
Aus der DE-34 16 736 C2 ist ein TLAnz bekannt, bei dem innerhalb des Mantelrohres eine aus einer Kunststoff-Schrumpffolie bestehende Schutzhülle angeordnet ist, welche die aus mehreren Ringtabletten bestehende Übertragungsladung zusammehält und fest umschließt. Im Anzündvorgang wird die Weiterleitung der Anzündflamme gehemmt, weil die Sperrwirkung des umschließenden Kunststoffs eine verzögerungsfreie schnelle Anzündung der gesamten Übertragungsladung vereitelt, so daß eine Zunahme der Anzündzeit gemessen wird.From DE-34 16 736 C2 a TLAnz is known in which within the jacket tube a protective cover consisting of a plastic shrink film is arranged, which the transfer charge consisting of several ring tablets holds together and firmly encloses. During the ignition process, the ignition flame is inhibited, because the locking effect of the enclosing plastic is a delay-free quick Ignition of the entire transfer charge thwarted, causing an increase in Ignition time is measured.
Die Aufgabe der vorliegenden Erfindung besteht darin, einen Treibladungsanzünder anzugeben, der ein Anzündrohr mit innenseitig angeordnetem Schutzrohr besitzt, welches bei rauher Handhabung sowie bei schockartigen Temperaturänderungen und erhöhter Feuchtelagerung, über einen Zeitraum größer > 10 Jahre die Verstärkerladung sicher gegen äußere Umgebungseinflüsse abdichtet.The object of the present invention is a propellant lighter to be specified which has an ignition tube with a protective tube arranged on the inside, which with rough handling as well as with shock-like temperature changes and increased moisture storage, the booster charge over a period greater than 10 years seals securely against external environmental influences.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is solved by the features of claim 1. More beneficial Embodiments of the invention disclose the subclaims.
Im wesentlichen liegt der Erfindung der Gedanke zugrunde, ein Schutzrohr zu verwenden, das innenseitig eng an dem Mantelrohr des Anzündrohres anliegt und aus einem dünnwandigen Material besteht, so daß der Rohrquerschnitt weitestgehend offen für den Durchgang und die Weiterleitung der Anzündung bleibt. Derartige Forderungen erfüllen insbesondere Schutzrohre aus dünnwandiger Glas-, Oxid- oder Glaskeramik, oder Innenliner aus Kunststoff mit Wandstärken zwischen 0,1 und 0,8 mm.Basically, the invention is based on the idea of a protective tube use, which is tight on the inside of the casing tube of the ignition tube and out a thin-walled material, so that the pipe cross section is largely open remains for the passage and forwarding of the ignition. Such demands meet in particular protective tubes made of thin-walled glass, oxide or glass ceramics, or inner liner made of plastic with wall thicknesses between 0.1 and 0.8 mm.
Als besonders vorteilhaft haben sich bei der Kunststoffanwendung Ausführungsformen der Erfindung erwiesen, bei denen das Schutzrohr der Innenliner aus einer Klebfolie, einer Blasfolie oder aus einer Kombination derartiger Folien aus Kunststoff besteht, die in das Anzündrohr einzubringen sind.Embodiments have proven to be particularly advantageous in the use of plastics of the invention, in which the protective tube of the inner liner is made of an adhesive film, a blown film or a combination of such films made of plastic, which are to be inserted into the ignition tube.
Es hat sich ferner als vorteilhaft erwiesen, das Schutzrohr im Bereich der Anzündöffnungen mit Sollbruchstellen zu versehen.It has also proven to be advantageous to have the protective tube in the area of the ignition openings to be provided with predetermined breaking points.
In einem weiteren vorteilhaften Falle der Anwendung kann ein Innenliner aus einem nach dem Rotationsgußverfahren oder der Blasformung hergestellten Kunststoffrohr aus Polypropylen (PP) oder Polyetylen (PE) bestehen, wobei die Herstellung des Schutzrohres in dem Anzündrohr selbst erfolgt.In a further advantageous case of application, an inner liner can be made from a plastic pipe manufactured by the rotational molding process or blow molding Polypropylene (PP) or polyetylene (PE) exist, the production of Protection tube takes place in the ignition tube itself.
Bei einer weiteren vorteilhaften Ausführungsform besteht das Schutzrohr aus einer Mischmetallfolie, die mit einem Überzugslack geschützt ist. Metallisches Cer ist Hauptbestandteil der Mischmetallegierung.In a further advantageous embodiment, the protective tube consists of a Mixed metal foil that is protected with a top coat. Metallic cerium is Main component of the mixed metal alloy.
Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden anhand einer Figur erläuterten Ausführungsbeispiel. Dabei zeigt die Fig. den Längsschnitt eines erfindungsgemäßen Treibladungsanzünders, wie er beispielsweise bei patronierter Panzermunition verwendbar ist. Further details and advantages of the invention will become apparent from the following a figure illustrated embodiment. The figure shows the longitudinal section of a propellant charge lighter according to the invention, such as in the case of cartridges Tank ammunition can be used.
Der mit 1 bezeichnete Treibladungsanzünder bestht im wesentlichen aus einem Kopfteil 2
und einem sich daran in Richtung der Längsachse 3 des Anzünders 1 anschließenden
Anzündrohr 4. Das Kopfteil 2, welches ein nicht dargestelltes Anzündhütchen sowie eine
Verstärkerladung 7 enthält, ist mit einem Außengewinde 6 zum Einschrauben des
Treibladungsanzünders 1 in den Boden der entsprechenden Patrone (nicht dargestellt)
versehen.The propellant lighter designated 1 essentially consists of a
Das Anzündrohr 4, welches mit einer Übertragungsladung 5 gefüllt ist, setzt sich aus
einem Mantelrohr 8 aus Stahl mit Anzündöffnungen 9 und der innenseitig angeordneten
Abdichtung in Form eines Innenliners bzw. Schutzrohr 10 zusammen, welches die
Anzündöffnungen 9 abdeckt.The
Der Innenliner bzw. das Schutzrohr 10 ist auf der Vorderseite 11 des Anzündrohres 4
geschlossen und auf seiner dem Kopfteil 2 des Treibladungsanzünders 1 zugewandten
Seite 12 mittels einer Dichtung 13 aus einem elastischen Material abgedichtet.The inner liner or the
Im folgenden werden einige Beispiele von Innenlinern bzw. Schutzrohren 10 aus
unterschiedlichen Materialien und deren Einbringung in das Mantelrohr 8 näher erläutert:The following are some examples of inner liners or
Hierzu wird eine geeignete Kunststoffolie mit einer Wandstärke von maximal 0,25 mm,
die mit einem thermoaktivierbaren Kleber beschichtet ist, in das Mantelrohr 8 eingeführt
und auf eine Temperatur oberhalb 65° C, üblicherweise bis 180° C, erhitzt. Die
klebebereite Folie wird dann auf der Innenseite des Mantelrohres mittels Druckanwendung
aufgeklebt. Als Folienwerkstoffe haben sich insbesondere kaschierte PU/PE-Folien
bewährt, die z.B. mit einem reaktivem 2-Komponenten-PU-Klebstoff beschichte sind.
Klebstoffe auf Basis Polyekloropren, Cyanacrylat usw. sind ebenfalls geeignet. For this purpose, a suitable plastic film with a maximum wall thickness of 0.25 mm,
which is coated with a thermally activated adhesive, introduced into the
Hierzu wird ein Kunststoffschlauch in geschmolzenem Zustand in das Mantelrohr 8
extrudiert. Ein Formwerkzeug mit einer entsprechenden Anblasöffnung umschließt das
Mantelrohr. Durch eingeblasene Luft wird der Schlauch dann an die Innenwand des
Mantelrohres gedrückt und dort ausgehärtet. Als Schlauchmaterial haben sich
thermoplastische Kunststoffe, wie PE, PP, PET, PMP (Polymethylenpenten), EPDM
und deren Co- und Terpolymerisate, bewährt. Auch Fluorkautschuktypen und thermoplastische
Elastomere sind geeignet. Wichtig bei der Wahl des jeweiligen Materials ist
vor allem, daß es eine hohe Sperrwirkung gegen Feuchtigkeit und Wasser aufweist. Die
Wandstärke sollte zwischen 0,15 und 0,6 mm liegen.For this purpose, a plastic hose is melted into the
In diesem Fall handelt es sich um eine Kombination der beiden vorstehend beschriebenen Schutzrohre. Dabei kann zunächst eine erste Folie in das Mantelrohr innenseitig eingeklebt und anschließend ein Kunststoffschlauch in das Mantelrohr eingebracht werden.In this case it is a combination of the two described above Protection tubes. First, a first film can be placed on the inside of the jacket tube glued in and then inserted a plastic tube into the jacket tube will.
Schutzrohre 10, die einseitig geschlossen und selbsttragend sind, müssen hinreichend
stabil sein, um mechanische Belastungen (z.B. Rüttel-, Schlag- und Vibrationsvorgängen)
abzufangen. Als besonders geeignete haben sich Schutzrohre aus einer Oxid- oder
Glaskeramik erwiesen mit einer Wandstärke zwischen 0,3 und 0,6 mm.
Ein derartiges Rohr ist vom Anzündstück her gesehen offen und daher am Kopfteil 2 mit
einer aus- oder eingeklappten, verdickten Krempe, die eine Nutrille aufweist,
ausgestattet. Die Nut kann einen abdichtenden O-Ring oder einen federnden Abdichtring
aufnehmen. Die Vorderseite 11 des Mantelrohres 8 läuft in abgeschlossener Bauweise
aus. Zur Sicherung eines festen Sitzes des Schutzrohres 10 im Bereich der Vorderseite 11
kann dort ebenfalls eine federndes Ringelement aus Weichgummi vorgesehen werden.Such a tube is open seen from the igniter and therefore with the head part 2
a thickened brim with a groove that is folded out or in,
fitted. The groove can be a sealing O-ring or a resilient sealing ring
record, tape. The
Oxidkeramische Werkstoffe auf der Basis von Zirkonoxid oder mit Zirkonoxid stabilisiertem Aluminiumoxid weisen ein gutes Biegeverhalten auf und können für erhöhte mechanische Belastungen benutzt werden.Oxide-ceramic materials based on zirconium oxide or with zirconium oxide Stabilized aluminum oxide have good bending behavior and can be used for increased mechanical loads are used.
Sofern die Wandstärke < 0,3 mm ist, hat sich bei derartigen Schutzrohren ein Verbund
mit der Innenseite des Mantelrohres 8 bewährt. Derartige dünnwandige Rohre werden
vorteilhafterweise mit einer Siliconschicht überzogen, die im Klebverbund mit dem
Mantelrohr steht, so daß eine stabile Abstützung vorliegt.If the wall thickness is <0.3 mm, there is a composite in such protective tubes
proven with the inside of the
Die Erfindung ist nicht auf die vorstehend beschriebenen Ausführungsbeispiele beschränkt. So können insbesondere die aus Kunststoff bestehenden Schutzrohre beispielsweise nicht nur durch Blasformen oder Rotationsguß, sondern auch durch Spritzgießen oder andere Extrudiertechniken hergestellt werden. The invention is not based on the exemplary embodiments described above limited. In particular, the protective tubes made of plastic can for example not only by blow molding or rotational molding, but also by Injection molding or other extrusion techniques are manufactured.
- 11
- TreibladungsanzünderPropellant lighter
- 22nd
- KopfteilHeadboard
- 33rd
- LängsachseLongitudinal axis
- 44th
- AnzündrohrIgnition tube
- 55
- ÜbertragungsladungTransfer charge
- 66
- AußengewindeExternal thread
- 77
- VerstärkerladungBooster charge
- 88th
- MantelrohrCasing pipe
- 99
- AnzündöffnungenIgnition openings
- 1010th
- Schutzrohr/InnenlinerProtection tube / inner liner
- 1111
- Vorderseitefront
- 1212th
-
Kopfteil zugewandte Seite des Schutzrohres 10Head part facing side of the
protective tube 10 - 1313
- Dichtungpoetry
Claims (9)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00116559A EP1039260B1 (en) | 1996-08-02 | 1997-07-02 | Primer for propulsive charge |
| EP00121634A EP1067358B1 (en) | 1996-08-02 | 1997-07-02 | Igniter for a propulsive charge |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19631185 | 1996-08-02 | ||
| DE19631185A DE19631185A1 (en) | 1996-08-02 | 1996-08-02 | Propellant lighter |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00116559A Division EP1039260B1 (en) | 1996-08-02 | 1997-07-02 | Primer for propulsive charge |
| EP00121634A Division EP1067358B1 (en) | 1996-08-02 | 1997-07-02 | Igniter for a propulsive charge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0822385A1 true EP0822385A1 (en) | 1998-02-04 |
| EP0822385B1 EP0822385B1 (en) | 2001-11-07 |
Family
ID=7801562
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00121634A Expired - Lifetime EP1067358B1 (en) | 1996-08-02 | 1997-07-02 | Igniter for a propulsive charge |
| EP97110971A Expired - Lifetime EP0822385B1 (en) | 1996-08-02 | 1997-07-02 | Primer for propulsive charge |
| EP00116559A Expired - Lifetime EP1039260B1 (en) | 1996-08-02 | 1997-07-02 | Primer for propulsive charge |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00121634A Expired - Lifetime EP1067358B1 (en) | 1996-08-02 | 1997-07-02 | Igniter for a propulsive charge |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00116559A Expired - Lifetime EP1039260B1 (en) | 1996-08-02 | 1997-07-02 | Primer for propulsive charge |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5895881A (en) |
| EP (3) | EP1067358B1 (en) |
| AT (3) | ATE226716T1 (en) |
| DE (4) | DE19631185A1 (en) |
| ES (2) | ES2180491T3 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106959A1 (en) * | 1999-12-08 | 2001-06-13 | Giant Industries | Igniter tube for artillery ammunition |
| CN106431796A (en) * | 2016-08-31 | 2017-02-22 | 湖南神斧集团向红机械化工有限责任公司 | Fully-automatic glue injection, encapsulation and inline formation system of electronic delayed ignition device |
| DE102020106177A1 (en) | 2020-03-06 | 2021-09-09 | Rheinmetall Waffe Munition Gmbh | Ignition system and ammunition |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6272994B1 (en) * | 1999-08-31 | 2001-08-14 | Alliant Techsystems Inc. | Plastic liner for bayonet primers |
| US6286432B1 (en) | 1999-08-31 | 2001-09-11 | Alliant Techsystems Inc. | Bayonet primer |
| US6857370B1 (en) * | 2002-04-10 | 2005-02-22 | General Dynamics Ordnance And Tactical Systems, Inc. | Primer body |
| DE20207862U1 (en) * | 2002-05-21 | 2002-09-26 | TRW Airbag Systems GmbH & Co. KG, 84544 Aschau | Inflator hose |
| DE102004012934A1 (en) * | 2004-03-17 | 2005-10-06 | Rheinmetall Waffe Munition Gmbh | charge igniter |
| EP1717515A1 (en) * | 2005-04-28 | 2006-11-02 | Siemens Aktiengesellschaft | Lead arrangement for a combustor unit |
| DE102007039662B4 (en) | 2007-08-22 | 2014-12-04 | Rheinmetall Waffe Munition Gmbh | charge igniter |
| DE102009052578B4 (en) | 2008-11-13 | 2021-09-30 | Ruag Ammotec Gmbh | Pyrotechnic lighter |
| DE102022131652A1 (en) * | 2022-11-30 | 2024-06-06 | Rheinmetall Waffe Munition Gmbh | Ignition system, propellant and ammunition |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2446187A (en) * | 1945-05-07 | 1948-08-03 | Leo T Meister | Lined igniter-charge tube |
| US4335653A (en) * | 1979-09-03 | 1982-06-22 | Aktiebolaget Bofors | Electric igniter with conductive bodies and thin connector |
| GB2134230A (en) * | 1982-12-27 | 1984-08-08 | Valsella Meccanotecnica Spa | Mine activation device |
| FR2591735A1 (en) * | 1985-12-17 | 1987-06-19 | Thomson Brandt Armements | Pyrotechnic gas generator and use in a device for ejecting sub-munitions from a warhead |
| US5052302A (en) * | 1990-07-26 | 1991-10-01 | Olin Corporation | Unpressurized combustible primer for cannon cartridges |
| US5140906A (en) * | 1991-11-05 | 1992-08-25 | Ici Americas, Inc. | Airbag igniter having double glass seal |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2516898A (en) * | 1945-11-09 | 1950-08-01 | Leo T Meister | Primer and method of manufacture |
| US2995088A (en) * | 1959-06-29 | 1961-08-08 | Bermite Powder Company | Multi-stage igniter charge |
| US3003419A (en) * | 1960-06-06 | 1961-10-10 | Mimx Corp | Rod-type pyrogenic igniter |
| FR2343987A1 (en) * | 1976-03-08 | 1977-10-07 | France Etat | IGNITER TUBE, ESPECIALLY FOR ARTILLERY AMMUNITION |
| US4358998A (en) * | 1980-02-04 | 1982-11-16 | Thiokol Corporation | Igniter for a pyrotechnic gas bag inflator |
| JPS56154440A (en) | 1980-04-30 | 1981-11-30 | Japan Synthetic Rubber Co Ltd | Production of dicyclopentadiene dicarboxylic ester |
| US4539910A (en) * | 1983-09-19 | 1985-09-10 | Morton Thiokol, Inc. | Igniter pellet cup |
| DE3416736C2 (en) | 1984-05-07 | 1986-10-02 | Dynamit Nobel Ag, 5210 Troisdorf | Propellant charge lighter |
| DE3701145A1 (en) | 1986-01-18 | 1987-08-20 | Bundesrep Deutschland | DRIVE CHARGE LIGHT |
| US4711177A (en) * | 1986-08-06 | 1987-12-08 | The United States Of America As Represented By The Secretary Of The Air Force | Auxiliary booster |
| DE3630082A1 (en) * | 1986-09-04 | 1988-03-10 | Bayern Chemie Gmbh Flugchemie | DEVICE FOR EXHAUSTING CONTAINERS, ESPECIALLY AMMUNITION |
| DE3912183A1 (en) | 1989-04-13 | 1990-10-18 | Buck Chem Tech Werke | IGNITION DISPLAY DEVICE |
| US5704640A (en) * | 1996-05-01 | 1998-01-06 | Morton International, Inc. | Bondable autoignition foil |
-
1996
- 1996-08-02 DE DE19631185A patent/DE19631185A1/en not_active Ceased
-
1997
- 1997-07-02 EP EP00121634A patent/EP1067358B1/en not_active Expired - Lifetime
- 1997-07-02 ES ES00116559T patent/ES2180491T3/en not_active Expired - Lifetime
- 1997-07-02 DE DE59708344T patent/DE59708344D1/en not_active Expired - Fee Related
- 1997-07-02 ES ES97110971T patent/ES2165546T3/en not_active Expired - Lifetime
- 1997-07-02 DE DE59705248T patent/DE59705248D1/en not_active Expired - Fee Related
- 1997-07-02 AT AT00121634T patent/ATE226716T1/en not_active IP Right Cessation
- 1997-07-02 DE DE59708585T patent/DE59708585D1/en not_active Expired - Fee Related
- 1997-07-02 AT AT97110971T patent/ATE208488T1/en not_active IP Right Cessation
- 1997-07-02 AT AT00116559T patent/ATE225028T1/en not_active IP Right Cessation
- 1997-07-02 EP EP97110971A patent/EP0822385B1/en not_active Expired - Lifetime
- 1997-07-02 EP EP00116559A patent/EP1039260B1/en not_active Expired - Lifetime
- 1997-08-01 US US08/904,833 patent/US5895881A/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2446187A (en) * | 1945-05-07 | 1948-08-03 | Leo T Meister | Lined igniter-charge tube |
| US4335653A (en) * | 1979-09-03 | 1982-06-22 | Aktiebolaget Bofors | Electric igniter with conductive bodies and thin connector |
| GB2134230A (en) * | 1982-12-27 | 1984-08-08 | Valsella Meccanotecnica Spa | Mine activation device |
| FR2591735A1 (en) * | 1985-12-17 | 1987-06-19 | Thomson Brandt Armements | Pyrotechnic gas generator and use in a device for ejecting sub-munitions from a warhead |
| US5052302A (en) * | 1990-07-26 | 1991-10-01 | Olin Corporation | Unpressurized combustible primer for cannon cartridges |
| US5140906A (en) * | 1991-11-05 | 1992-08-25 | Ici Americas, Inc. | Airbag igniter having double glass seal |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106959A1 (en) * | 1999-12-08 | 2001-06-13 | Giant Industries | Igniter tube for artillery ammunition |
| FR2802297A1 (en) * | 1999-12-08 | 2001-06-15 | Giat Ind Sa | IGNITION TUBE FOR ARTILLERY AMMUNITION |
| US6474239B2 (en) | 1999-12-08 | 2002-11-05 | Giat Industries | Igniter tube for artillery ammunition |
| CN106431796A (en) * | 2016-08-31 | 2017-02-22 | 湖南神斧集团向红机械化工有限责任公司 | Fully-automatic glue injection, encapsulation and inline formation system of electronic delayed ignition device |
| CN106431796B (en) * | 2016-08-31 | 2022-04-08 | 湖南神斧集团向红机械化工有限责任公司 | Full-automatic glue injection, encapsulation and on-line system of electronic delay ignition device |
| DE102020106177A1 (en) | 2020-03-06 | 2021-09-09 | Rheinmetall Waffe Munition Gmbh | Ignition system and ammunition |
| WO2021175592A1 (en) | 2020-03-06 | 2021-09-10 | Rheinmetall Waffe Munition Gmbh | Igniter system and piece of ammunition |
| US12228387B2 (en) | 2020-03-06 | 2025-02-18 | Rheinmetall Waffe Munition Gmbh | Igniter system and piece of ammunition |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1039260A3 (en) | 2000-11-15 |
| DE59705248D1 (en) | 2001-12-13 |
| EP1039260B1 (en) | 2002-09-25 |
| ES2180491T3 (en) | 2003-02-16 |
| EP1067358A3 (en) | 2001-01-24 |
| ATE225028T1 (en) | 2002-10-15 |
| US5895881A (en) | 1999-04-20 |
| ATE226716T1 (en) | 2002-11-15 |
| EP1067358A2 (en) | 2001-01-10 |
| DE19631185A1 (en) | 1998-02-05 |
| DE59708344D1 (en) | 2002-10-31 |
| EP0822385B1 (en) | 2001-11-07 |
| EP1039260A2 (en) | 2000-09-27 |
| EP1067358B1 (en) | 2002-10-23 |
| ES2165546T3 (en) | 2002-03-16 |
| ATE208488T1 (en) | 2001-11-15 |
| DE59708585D1 (en) | 2002-11-28 |
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