DE3630019A1 - COMBUSTIBLE DRIVE CHARGE TANK WITH IMPROVED TEMPERATURE RESISTANCE - Google Patents
COMBUSTIBLE DRIVE CHARGE TANK WITH IMPROVED TEMPERATURE RESISTANCEInfo
- Publication number
- DE3630019A1 DE3630019A1 DE19863630019 DE3630019A DE3630019A1 DE 3630019 A1 DE3630019 A1 DE 3630019A1 DE 19863630019 DE19863630019 DE 19863630019 DE 3630019 A DE3630019 A DE 3630019A DE 3630019 A1 DE3630019 A1 DE 3630019A1
- Authority
- DE
- Germany
- Prior art keywords
- propellant charge
- combustible
- container according
- nitramine
- temperature resistance
- 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
- 238000000576 coating method Methods 0.000 claims description 11
- 239000003380 propellant Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- POCJOGNVFHPZNS-ZJUUUORDSA-N (6S,7R)-2-azaspiro[5.5]undecan-7-ol Chemical compound O[C@@H]1CCCC[C@]11CNCCC1 POCJOGNVFHPZNS-ZJUUUORDSA-N 0.000 claims description 6
- BSPUVYFGURDFHE-UHFFFAOYSA-N Nitramine Natural products CC1C(O)CCC2CCCNC12 BSPUVYFGURDFHE-UHFFFAOYSA-N 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- POCJOGNVFHPZNS-UHFFFAOYSA-N isonitramine Natural products OC1CCCCC11CNCCC1 POCJOGNVFHPZNS-UHFFFAOYSA-N 0.000 claims description 6
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical group [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 claims description 4
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 238000004200 deflagration Methods 0.000 claims description 2
- 239000002360 explosive Substances 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 239000005062 Polybutadiene Substances 0.000 claims 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims 1
- 229920002857 polybutadiene Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 239000011354 acetal resin Substances 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
- F42B5/18—Caseless ammunition; Cartridges having combustible cases
- F42B5/192—Cartridge cases characterised by the material of the casing wall
- F42B5/196—Coatings
-
- 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
- C06B45/12—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Description
Vorliegende Erfindung befaßt sich mit verbrennbaren Treib ladungsbehältern, wie Hülsen oder Kartuschen, deren Tem peraturbeständigkeit verbessert ist. Gleichzeitig werden auch mechanische Eigenschaften dieser Behälter verbessert.The present invention is concerned with combustible propellants cargo containers, such as sleeves or cartridges, the tem temperature resistance is improved. Be at the same time also improved mechanical properties of these containers.
Es ist aus der DE-PS 27 10 451 bekannt, auf Munitions hülsen eine oder mehrere Lackschichten aufzubringen, um die mechanischen Eigenschaften dieser Hülsen zu verbes sern und um die Gefahr einer ungewollten Entzündung der Hülse zu vermindern. Die in dieser Patentschrift beschrie benen Beschichtungen lösen jedoch das Problem der Tempe raturbeständigkeit solcher Hülsen z.B. in solchen Fällen nicht, bei denen diese in heißgeschossenen Verbrennungs räumen, wie z.B. in den Patronenlagern von Schnellfeuer waffen, zum Einsatz kommen. Dort können dann leicht Selbst entzündungen - auch als cook-off bezeichnet - auftreten. It is known from DE-PS 27 10 451 to apply one or more layers of lacquer to ammunition sleeves in order to improve the mechanical properties of these sleeves and to reduce the risk of undesired ignition of the sleeve. The coatings described in this patent, however, do not solve the problem of the temperature resistance of such sleeves, for example in those cases in which they are cleared in hot shot combustion, such as in the cartridge chambers of rapid-fire weapons, are used. There, self-ignition - also known as cook-off - can easily occur.
Ein weiterer Nachteil dieser bekannten Beschichtungen besteht darin, daß diese in vielen Fällen nicht rück standslos verbrennen, besonders dann, wenn in der Lack schicht inerte Materialien enthalten sind. Deshalb wird von vielen bekannten Beschichtungen die Energiebilanz des gesamten Systems negativ beeinflußt.Another disadvantage of these known coatings is that in many cases this does not return burn steadily, especially if in the paint layer inert materials are included. That is why the energy balance of many known coatings of the entire system.
Es bestand deshalb die Aufgabe, verbrennbare Behälter für Treibladungspulver zu entwickeln, die möglichst temperaturbeständig sind und gleichzeitig mechanische Eigenschaftswerte besitzen, die denjenigen von bekann ten Behältern mindestens gleichwertig sind. Weiterhin soll der Behälter rückstandslos abbrennen und die Ener giebilanz des gesamten Abbrandsystems nicht negativ be einflussen.There was therefore the task of combustible containers to develop propellant powder, if possible are temperature resistant and mechanical at the same time Have property values that those of known containers are at least equivalent. Farther the container should burn off without residue and the energy balance of the entire combustion system is not negative influence.
In Erfüllung dieser Aufgabe wurden nun verbrennbare Treibladungsbehälter, die mit einer Oberflächenbeschich tung versehen sind, gefunden, die durch eine Beschich tung mit einem als Explosivstoff bekannten Nitramin, das in einem Bindemittel eingebettet ist, gekennzeichnet sind.In accomplishing this task, combustibles have now become Propellant containers with a surface coating tion are provided, found by a coating with a nitramine known as an explosive, the is embedded in a binder, are marked.
Die einzusetzenden Nitramine sind solche, die als Explo sivstoffe an sich bekannt sind, eine Detonationsgeschwin digkeit über 7 400 m/s besitzen und bei ihrer Verbrennung ein hohes Normalgasvolumen, vorzugsweise über 650 l/kg (gemessen nach der CIT-Methode), liefern. Weiterhin sol len sie Verpuffungspunkte über 200°C, vorzugsweise über 230°C, haben. Nitramine, die diese Bedingungen erfüllen, sind z.B. Cyclotrimethylentrinitramin (Hexogen) oder die Cyclotetramethylentetramine (Oktogene).The nitramines to be used are those which are used as Explo active substances are known per se, a detonation speed possess speed over 7 400 m / s and when they are burned a high normal gas volume, preferably over 650 l / kg (measured according to the CIT method). Furthermore sol len deflagration points above 200 ° C, preferably above 230 ° C. Nitramines that meet these conditions are e.g. Cyclotrimethylene trinitramine (hexogen) or the Cyclotetramethylenetetramine (octogens).
Als Bindemittel eignen sich solche flüssigen Harze, die eine phlegmatisierende Wirkung auf die Nitramine aus üben, so daß diese nicht detonieren, sondern gleichmäßig abbrennen. Weiterhin sollen die Harze beim Stehen an der Luft aushärten. Harze mit solchen Eigenschaften sind dem Fachmann an sich bekannt. Als Beispiele seien Harze auf Basis von Polyvinylalkohol, Polyvinylacetal, Polybuta dien oder Polyacrylaten genannt.Suitable liquid binders are those liquid resins which a phlegmatizing effect on the nitramine practice so that they don't detonate, but evenly burn down. Furthermore, the resins should stand when standing on the Harden air. Resins with such properties are Expert known per se. Examples are resins Base of polyvinyl alcohol, polyvinyl acetal, polybuta dien or called polyacrylates.
Der Anteil der Bindemittel in der Beschichtung kann, je nach Art der verwendeten Harze, zwischen 5 und 20 Gew.-% variieren. Bevorzugt liegt er zwischen 10 und 15 Gew.-%, besonders wenn als Bindemittel ein Polyvinylacetalharz eingesetzt wird.The proportion of binders in the coating can, depending depending on the type of resin used, between 5 and 20% by weight vary. It is preferably between 10 and 15% by weight, especially if a binder is a polyvinyl acetal resin is used.
Die Dicke der Beschichtungen richtet sich nach dem jewei ligen Anwendungsfall und den eingesetzten Bestandteilen; sie kann zwischen 0,1 und 1,0 mm schwanken, vorzugsweise liegt sie zwischen 0,2 und 0,5 mm. Das Aufbringen erfolgt auf an sich bekannte Weise, ggf. in einem geeigneten Lö sungsmittel gelöst, z.B. durch Spritzen, Tauchen, Walzen oder Pinseln. Das Aufbringen kann sowohl auf die noch nicht weiterverarbeitete Hülse als auch auf eine bereits mit Ladung und Geschoß versehene Hülse durchgeführt werden. Der aufzubringende Lack kann weiterhin auch noch einen an sich bekannten Weichmacher enthalten.The thickness of the coatings depends on the respective current application and the components used; it can vary between 0.1 and 1.0 mm, preferably it is between 0.2 and 0.5 mm. The application takes place in a manner known per se, possibly in a suitable solution solvent, e.g. by spraying, dipping, rolling or brushes. The application can be done on both the discontinued sleeve as well as on an already sleeve with charge and projectile carried out will. The paint to be applied can still continue contain a plasticizer known per se.
Die erfindungsgemäße Beschichtung befindet sich immer auf den Außenflächen der Behälter. Sie kann auch an der Innenwand angebracht werden. In jedem Fall verbrennt sie zusammen mit dem Behälter.The coating according to the invention is always present on the outer surfaces of the containers. You can also at the Be attached to the inner wall. In any case burns them together with the container.
Die Behälter, die erfindungsgemäß beschichtet sind, sind dem Fachmann an sich bekannt. Es handelt sich dabei so wohl um verbrennbare Hülsen oder Kartuschen als auch um solche Behälter, die anstelle von Beutelladungen einge setzt werden können. Die Behälter haben vorzugsweise ein zentrales Rohr zur Aufnahme einer Anzündverstärkung und sind zylindrisch oder leicht konisch ausgebildet. The containers that are coated according to the invention are known to the person skilled in the art. It is so probably around flammable sleeves or cartridges as well such containers that are inserted instead of bag loads can be set. The containers preferably have one central tube for receiving an ignition boost and are cylindrical or slightly conical.
Die erfindungsgemäße Beschichtung verbessert das cook- off-Verhalten der Hülsen; sie schützt weiterhin die Hülsen vor eindringender Feuchtigkeit und verbessert auch die mechanischen Eigenschaften der Hülsen, wie z.B. die Reißfestigkeit, Stoß- und Schlagfestigkeit.The coating according to the invention improves the cook- off-behavior of the sleeves; it continues to protect the Pods from penetrating moisture and improved also the mechanical properties of the sleeves, such as e.g. the tensile strength, impact and impact resistance.
Es werden 85 Gew.-Teile Hexogen zusammen mit 12 Gew.- Teilen eines Acrylatharzes, das unter dem Namen PLEXTOL M 600 der Firma Röhm, Darmstadt, im Handel ist, und 3 Gew.-Teilen Dioctylphthalat in 30 Gew.-Teile Toluol eingerührt. Die dabei erhaltene Paste wird auf eine verbrennbare Patronenhülse aufgespachtelt und mit einem Kalibrierwerkzeug auf eine Dicke von 0,2 mm ein gestellt. Die nach dem Trocken der aufgebrachten Schicht erhaltene Hülse hat eine Selbstentzündungstemperatur von ca. 240°C.85 parts by weight of hexogen together with 12 parts by weight Share an acrylic resin that is called PLEXTOL M 600 from Röhm, Darmstadt, is on the market, and 3 parts by weight of dioctyl phthalate in 30 parts by weight Toluene stirred. The paste obtained is opened a combustible cartridge case filled and with a calibration tool to a thickness of 0.2 mm posed. That after the applied layer dries obtained sleeve has a self-ignition temperature of approx. 240 ° C.
Eine mit dieser Hülse gefertigte Patrone setzt sich beim Schuß in der Waffe rückstandslos um.A cartridge made with this sleeve settles on the Shot in the weapon without leaving any residue.
Claims (6)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863630019 DE3630019A1 (en) | 1986-09-03 | 1986-09-03 | COMBUSTIBLE DRIVE CHARGE TANK WITH IMPROVED TEMPERATURE RESISTANCE |
| EP87111101A EP0260419B1 (en) | 1986-09-03 | 1987-07-31 | Combustible propellant cartridge case with an improved temperature resistance |
| DE8787111101T DE3783839D1 (en) | 1986-09-03 | 1987-07-31 | COMBUSTIBLE CHARGING TANK WITH IMPROVED TEMPERATURE RESISTANCE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863630019 DE3630019A1 (en) | 1986-09-03 | 1986-09-03 | COMBUSTIBLE DRIVE CHARGE TANK WITH IMPROVED TEMPERATURE RESISTANCE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3630019A1 true DE3630019A1 (en) | 1988-03-17 |
| DE3630019C2 DE3630019C2 (en) | 1989-10-12 |
Family
ID=6308844
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863630019 Granted DE3630019A1 (en) | 1986-09-03 | 1986-09-03 | COMBUSTIBLE DRIVE CHARGE TANK WITH IMPROVED TEMPERATURE RESISTANCE |
| DE8787111101T Expired - Fee Related DE3783839D1 (en) | 1986-09-03 | 1987-07-31 | COMBUSTIBLE CHARGING TANK WITH IMPROVED TEMPERATURE RESISTANCE. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8787111101T Expired - Fee Related DE3783839D1 (en) | 1986-09-03 | 1987-07-31 | COMBUSTIBLE CHARGING TANK WITH IMPROVED TEMPERATURE RESISTANCE. |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0260419B1 (en) |
| DE (2) | DE3630019A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3825581C1 (en) * | 1988-07-28 | 1993-05-13 | Dynamit Nobel Ag, 5210 Troisdorf, De | Combustible or consumable cartridge cases for ammunition - made of wrapping(s) of fibres of polyester, polyamide, polyolefin. polyacrylate, polyurethane, metal glass, coal etc. |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3830902C1 (en) * | 1988-09-10 | 1992-04-09 | Diehl Gmbh & Co, 8500 Nuernberg, De | |
| US5069133A (en) * | 1990-08-31 | 1991-12-03 | Olin Corporation | Elastomer-containing casings for propellants |
| DE4223143A1 (en) * | 1991-08-16 | 1993-02-18 | Eidgenoess Munitionsfab Thun | Increasing stability of hollow charge-contg. munition - by adhesive bonding of explosive charge to sheath and lining |
| FR2928917B1 (en) * | 2008-03-21 | 2010-09-24 | Eurenco France | FLAMMABLE FINISHING COATING FOR PYROTECHNIC LOADING; PRECURSOR LIQUID COMPOSITION OF SAID COATING |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1909701B (en) * | S.A. Prb, Woluwe-Saint-Pierre (Belgien) | Combustible ammunition case and process for their manufacture | ||
| DE2458877A1 (en) * | 1974-12-12 | 1976-06-24 | Deutsch Franz Forsch Inst | COMBUSTIBLE PROTECTIVE COVER AGAINST THERMAL INFLUENCES FOR DRIVING CHARGES WITHOUT METAL CARTRIDGE |
| DE2843477A1 (en) * | 1978-10-05 | 1980-04-17 | Dynamit Nobel Ag | Solid propellant charge - contg. polymeric binder and reinforcing fibres, e.g. cellulosic fibres |
| DE2710451C2 (en) * | 1977-03-10 | 1990-11-15 | Rheinmetall GmbH, 4000 Düsseldorf | Surface protection coating for ammunition with a combustible case or caseless ammunition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3927616A (en) * | 1974-04-23 | 1975-12-23 | Us Army | Combustible cartridge case |
| FR2444251A1 (en) * | 1978-12-15 | 1980-07-11 | Poudres & Explosifs Ste Nale | COMBUSTIBLE OBJECTS, AND IN PARTICULAR COMBUSTIBLE SOCKETS, RESISTANT TO HEAT |
| FR2590013B1 (en) * | 1985-11-12 | 1989-07-13 | France Etat Armement | PROTECTIVE VARNISH AGAINST THERMO-INITIATION OF AMMUNITION WITHOUT SOCKET OR FUEL SOCKET |
-
1986
- 1986-09-03 DE DE19863630019 patent/DE3630019A1/en active Granted
-
1987
- 1987-07-31 DE DE8787111101T patent/DE3783839D1/en not_active Expired - Fee Related
- 1987-07-31 EP EP87111101A patent/EP0260419B1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1909701B (en) * | S.A. Prb, Woluwe-Saint-Pierre (Belgien) | Combustible ammunition case and process for their manufacture | ||
| DE2458877A1 (en) * | 1974-12-12 | 1976-06-24 | Deutsch Franz Forsch Inst | COMBUSTIBLE PROTECTIVE COVER AGAINST THERMAL INFLUENCES FOR DRIVING CHARGES WITHOUT METAL CARTRIDGE |
| DE2710451C2 (en) * | 1977-03-10 | 1990-11-15 | Rheinmetall GmbH, 4000 Düsseldorf | Surface protection coating for ammunition with a combustible case or caseless 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3825581C1 (en) * | 1988-07-28 | 1993-05-13 | Dynamit Nobel Ag, 5210 Troisdorf, De | Combustible or consumable cartridge cases for ammunition - made of wrapping(s) of fibres of polyester, polyamide, polyolefin. polyacrylate, polyurethane, metal glass, coal etc. |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0260419B1 (en) | 1993-01-27 |
| DE3783839D1 (en) | 1993-03-11 |
| EP0260419A2 (en) | 1988-03-23 |
| EP0260419A3 (en) | 1989-10-04 |
| DE3630019C2 (en) | 1989-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: DYNAMIT NOBEL AG, 5210 TROISDORF, DE |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: DYNAMIT NOBEL DEFENCE GMBH, 57299 BURBACH, DE |
|
| 8339 | Ceased/non-payment of the annual fee |