EP0329718B1 - Pyrotechnical mixture for producing a smoke screen - Google Patents

Pyrotechnical mixture for producing a smoke screen Download PDF

Info

Publication number
EP0329718B1
EP0329718B1 EP88904505A EP88904505A EP0329718B1 EP 0329718 B1 EP0329718 B1 EP 0329718B1 EP 88904505 A EP88904505 A EP 88904505A EP 88904505 A EP88904505 A EP 88904505A EP 0329718 B1 EP0329718 B1 EP 0329718B1
Authority
EP
European Patent Office
Prior art keywords
carbonate
potassium
composition
mixture
fog
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
Application number
EP88904505A
Other languages
German (de)
French (fr)
Other versions
EP0329718A1 (en
Inventor
Uwe Krone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Original Assignee
Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG filed Critical Nico Pyrotechnik Hanns Juergen Diederichs GmbH and Co KG
Priority to AT88904505T priority Critical patent/ATE71351T1/en
Publication of EP0329718A1 publication Critical patent/EP0329718A1/en
Application granted granted Critical
Publication of EP0329718B1 publication Critical patent/EP0329718B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B33/00Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
    • C06B33/12Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
    • C06B33/14Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds at least one being an inorganic nitrogen-oxygen salt
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B33/00Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
    • C06B33/04Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being an inorganic nitrogen-oxygen salt
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06DMEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
    • C06D3/00Generation of smoke or mist (chemical part)

Definitions

  • the invention relates to a pyrotechnic mixture for producing a camouflage mist.
  • Hygroscopic compounds such as metal chlorides (ZnCl2, FeCl3, AlCl3, TiCl4, SiCl4) or phosphorus oxides P2O3, P2O5) are generated and evaporated, which then hydrolyze with the air and form suitable clouds of fog.
  • ZnCl2, FeCl3, AlCl3, TiCl4, SiCl4 or phosphorus oxides P2O3, P2O5 are generated and evaporated, which then hydrolyze with the air and form suitable clouds of fog.
  • mist formed especially from so-called HC mist sets containing hexachloroethane, but also from phosphor mist sets, is extremely acidic due to hydrolysis in humid air, since hydrochloric acid (HG mist) and phosphoric acids are formed, and therefore toxic and plant-intolerant.
  • the heavy metal zinc is introduced into the environment in the most commonly used fog mixture based on hexachloroethane (HC) and zinc or zinc oxide.
  • the object of the invention is therefore to produce a camouflage mist which is particularly suitable for training purposes and which consists of a non-toxic aerosol, which therefore cannot have a toxic effect on humans and animals, and on the other hand is environmentally compatible.
  • the mist mainly consists of macronutrients suitable for plants.
  • a non-toxic mist of sufficient optical density is formed by the invention.
  • the fog is formed in the following way:
  • the components magnesium powder, potassium nitrate and potassium perchlorate already produce fog-like clouds when converted in the range of 2500 °.
  • the fog density is particularly characterized by the proportion of potassium chloride and / or sodium chloride, whose sublimation point at 1500 or boiling point at 1450 ° C are far below the reaction temperature of the reaction of magnesium and potassium nitrate.
  • the reaction products of the chemical conversion from magnesium with potassium nitrate, potassium perchlorate, calcium carbonate etc. form a useful training fog with the subliming potassium chloride or the evaporating sodium chloride without toxic or environmentally incompatible ingredients.
  • the energy (E) released in the three basic conversions mentioned is used for sublimation / evaporation of potassium chloride and sodium chloride.
  • nitrogen-releasing substances such as azodicarbonamide, oxamide or dicyandiamide are added to the mixture. This results in a continuous gas flow for better transport of the aerosol particles and a higher aerosol yield, since the permanently formed gases prevent the slag from flowing together and promote sublimation and evaporation by increasing the surface area.
  • a pure white aerosol which mainly consists of the components potassium chloride, magnesium oxide, calcium hydroxide, calcium carbonate, sodium chloride and potassium carbonate. These components are environmentally friendly and non-toxic and apart from NaCl macronutrients for plants.
  • the pH of the generated fog is highest at the point of origin (9).
  • chemical reactions of the primary oxides K2O and CaO (equations 1, 3) with components of the air, especially H2O and CO2 to form KHCO3, K2CO3, Ca (OH) 2 and CaCO3 and by dilution it quickly decreases and reaches the pH of the ambient air ( ⁇ 6) at a distance of 5-10 m from the fog source.
  • a pyrotechnic mixture with the same components as the mixture for producing the camouflage mist can be used as the ignition mixture, but in which the content of magnesium and oxidizing agent is increased to increase the sensitivity to ignition and transmission reliability.
  • the primer can e.g. consist of the following proportions: 25% Mg, 35% KNO3, 10% KClO4, 20% CaCO3, 10% KCl.
  • mist set and the primer are pressed into sleeves in a manner known per se and reacted with conventional igniters.
  • the drawing shows an embodiment of a mist body with the new mixture.
  • a sleeve 1 with bottom 3 there is the compressed mixture 4, which carries the ignition mixture 5 pressed on with it as a conclusion.
  • the embodiment of the drawing has a recess 6 for the use of an igniter known per se.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Combustion & Propulsion (AREA)
  • Botany (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Air Bags (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Road Signs Or Road Markings (AREA)
  • Pyridine Compounds (AREA)
  • Cosmetics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

The invention produces a smoke screen particularly suited for exercise purposes consisting of a non-toxic aerosol which has no toxic effects on humans and animals and is non-polluting. This is achieved by a so-called pyrotechnical composition with the following constituents: a light metal powder, preferably magnesium powder (Mg) as a metallic reducing agent, potassium nitrate (KNO3) or a mixture of potassium nitrate (KNO3) and potassium perchlorate (KClO4) as the principal oxidizing agent, at least one carbonate, e.g. calcium carbonate (CaCO3), potassium hydrogen carbonate (KHCO3), sodium hydrogen carbonate (NaHCO3), potassium carbonate (K2CO3), sodium carbonate (Na2CO3) and nitrogen separating substances as combustion moderators as well as at least one sublimate or vaporizable fog-forming non-toxic additive.

Description

Die Erfindung betrifft eine pyrotechnische Mischung zur Erzeugung eines Tarnnebels.The invention relates to a pyrotechnic mixture for producing a camouflage mist.

Derartige Mischungen sind an sich bekannt. Dabei werden hygroskopische Verbindungen, wie Metallchloride (ZnCl₂, FeCl₃, AlCl₃, TiCl₄, SiCl₄) oder Phosphoroxide P₂O₃, P₂O₅) erzeugt und verdampft, die dann mit der Luft hydrolysieren und zum Tarnen geeignete Nebelwolken bilden. Über den Mechanismus dieser Nebelbildung siehe: H. Ellern, Military and Civilian Pyrotechnics, Chem. Publ. Comp. Inc. N.Y. 1968, S. 147-151, John A. Conkling, Chemistry of Pyrotechnics, Marcel Dekker Inc., N.Y. 1985, S. 174, 175.Mixtures of this type are known per se. Hygroscopic compounds such as metal chlorides (ZnCl₂, FeCl₃, AlCl₃, TiCl₄, SiCl₄) or phosphorus oxides P₂O₃, P₂O₅) are generated and evaporated, which then hydrolyze with the air and form suitable clouds of fog. For the mechanism of this fog formation see: H. Ellern, Military and Civilian Pyrotechnics, Chem. Publ. Comp. Inc. N.Y. 1968, pp. 147-151, John A. Conkling, Chemistry of Pyrotechnics, Marcel Dekker Inc., N.Y. 1985, pp. 174, 175.

Der gebildete Nebel, besonders aus hexachlorethanhaltigen, sogenannten HC-Nebelsätzen, aber auch aus Phosphornebelsätzen ist aufgrund der Hydrolyse an feuchter Luft stark sauer, da vor allem Salzsäure (HG-Nebel) und Phosphorsäuren gebildet werden, und deswegen toxisch und pflanzenunverträglich.The mist formed, especially from so-called HC mist sets containing hexachloroethane, but also from phosphor mist sets, is extremely acidic due to hydrolysis in humid air, since hydrochloric acid (HG mist) and phosphoric acids are formed, and therefore toxic and plant-intolerant.

Darüber hinaus wird bei der am häufigsten verwendeten Nebelmischung auf der Basis von Hexachlorethan (HC) und Zink oder Zinkoxid das Schwermetall Zink in die Umwelt eingetragen.In addition, the heavy metal zinc is introduced into the environment in the most commonly used fog mixture based on hexachloroethane (HC) and zinc or zinc oxide.

Es hat nicht an Versuchen gefehlt, diese Nachteile zu beseitigen. So sind die pyrotechnischen Nebelsätze der Patentschriften DE-PS 2743363 und DE-AS 2819850 so aufgebaut, daß die Säurewirkung der erzeugten Nebel durch entsprechende chemische Komplexbildung oder Neutralisierung des gebildeten ZnCl₂ oder der Phosphorsäuren teilweise oder ganz aufgehoben wird. Es blieb jedoch weiterhin bei der Erzeugung toxischer, umweltunverträglicher Stoffe.There has been no shortage of attempts to overcome these drawbacks. Thus, the pyrotechnic fog sentences of the patents DE-PS 2743363 and DE-AS 2819850 are constructed so that the acidic effect of the mist produced is partially or completely eliminated by appropriate chemical complex formation or neutralization of the ZnCl₂ or phosphoric acids formed. However, the production of toxic, environmentally incompatible substances continued.

Aufgabe der Erfindung ist es daher, einen besonders für Übungszwecke geeigneten Tarnnebel herzustellen, der aus einem ungiftigen Aerosol besteht, das also weder toxische Wirkung auf Menschen und Tiere ausüben kann, und andererseits umweltverträglich ist. Bei Nichtverwenden des wahlweise genannten NaCl besteht der Nebel hauptsächlich aus für Pflanzen geeigneten Makronährstoffen.The object of the invention is therefore to produce a camouflage mist which is particularly suitable for training purposes and which consists of a non-toxic aerosol, which therefore cannot have a toxic effect on humans and animals, and on the other hand is environmentally compatible. When the optional NaCl is not used, the mist mainly consists of macronutrients suitable for plants.

Die zur Lösung der gestellten Aufgabe notwendigen wesentlichen Merkmale der Erfindung sind im Patentanspruch 1 genannt. Die Unteransprüche nennen Ausführungsarten der Erfindung.The essential features of the invention necessary to achieve the object are mentioned in claim 1. The subclaims list embodiments of the invention.

Durch die Erfindung wird ein ungiftiger Nebel ausreichender optischer Dichte gebildet.A non-toxic mist of sufficient optical density is formed by the invention.

Die Nebelbildung erfolgt auf folgende Weise: Die Komponenten Magnesiumpulver, Kaliumnitrat und Kaliumperchlorat ergeben bei einer Umsetzung im Bereich von 2500° bereits nebelartige Wolken. Die Nebeldichte wird besonders durch den Anteil von Kaliumchlorid und/oder Natriumchlorid, deren Sublimationspunkt bei 1500 bzw. Kochpunkt bei 1450°C weit unterhalb der Reaktionstemperatur der Umsetzung von Magnesium und Kaliumnitrat liegen, verbessert. Die Reaktionsprodukte der chemischen Umsetzung aus Magnesium mit Kaliumnitrat, Kaliumperchlorat, Calciumcarbonat etc. bilden dadurch mit dem sublimierenden Kaliumchlorid oder dem verdampfenden Natriumchlorid einen brauchbaren Übungsnebel ohne toxische oder umweltunverträgliche Inhaltsstoffe.The fog is formed in the following way: The components magnesium powder, potassium nitrate and potassium perchlorate already produce fog-like clouds when converted in the range of 2500 °. The fog density is particularly characterized by the proportion of potassium chloride and / or sodium chloride, whose sublimation point at 1500 or boiling point at 1450 ° C are far below the reaction temperature of the reaction of magnesium and potassium nitrate. The reaction products of the chemical conversion from magnesium with potassium nitrate, potassium perchlorate, calcium carbonate etc. form a useful training fog with the subliming potassium chloride or the evaporating sodium chloride without toxic or environmentally incompatible ingredients.

Die chemischen Reaktionen im Nebelsatz können vereinfacht in nachstehenden drei Gleichungen wiedergegeben werden:

  • 1. 2 KNO₃ + 5 Mg  →  5 MgO + K₂O + N₂ + E
  • 2. KClO₄ + 4 Mg  →  4 MgO + KCl + E
  • 3. CaCO₃ + 2 Mg  →  CaO + 2 MgO + C + E
The chemical reactions in the Mist Theorem can be simplified in the following three equations:
  • 1. 2 KNO₃ + 5 Mg → 5 MgO + K₂O + N₂ + E
  • 2. KClO₄ + 4 Mg → 4 MgO + KCl + E
  • 3. CaCO₃ + 2 Mg → CaO + 2 MgO + C + E

Die bei den drei genannten Grundumsetzungen freiwerdende Energie (E) dient zur Sublimation/Verdampfung von Kaliumchlorid und Natriumchlorid.The energy (E) released in the three basic conversions mentioned is used for sublimation / evaporation of potassium chloride and sodium chloride.

Zur Verbesserung der Abbrandsteuerung werden der Mischung insbesondere Stickstoff abspaltende Substanzen, wie Azodicarbonamid, Oxamid oder Dicyandiamid beigemischt. Dadurch wird ein kontinuierlicher Gasstrom zum besseren Transport der Aerosolpartikel und eine höhere Aerosolausbeute erzielt, da die permanent gebildeten Gase ein Zusammenfließen der Schlacke verhindern und durch Oberflächenvergrößerung die Sublimation und Verdampfung fördern.In order to improve the combustion control, in particular nitrogen-releasing substances such as azodicarbonamide, oxamide or dicyandiamide are added to the mixture. This results in a continuous gas flow for better transport of the aerosol particles and a higher aerosol yield, since the permanently formed gases prevent the slag from flowing together and promote sublimation and evaporation by increasing the surface area.

Beim Abbrand der Mischung entsteht ein rein weißes Aerosol, welches hauptsächlich aus den Komponenten Kaliumchlorid, Magnesiumoxyd, Calciumhydroxyd, Calciumcarbonat, Natriumchlorid und Kaliumcarbonat besteht. Diese Komponenten sind umweltverträglich und ungiftig und bis auf NaCl Makronährstoffe für Pflanzen.When the mixture burns off, a pure white aerosol is formed, which mainly consists of the components potassium chloride, magnesium oxide, calcium hydroxide, calcium carbonate, sodium chloride and potassium carbonate. These components are environmentally friendly and non-toxic and apart from NaCl macronutrients for plants.

Der pH-Wert des erzeugten Nebels ist an der Entstehungsstelle am höchten (9). Durch chemische Umsetzungen der primär erzeugten Oxide K₂O und CaO (Gleichungen 1, 3) mit Bestandteilen der Luft, vor allem H₂O und CO₂ unter Bildung von KHCO₃, K₂CO₃, Ca(OH)₂ und CaCO₃ und durch Verdünnung, nimmt er schnell ab und erreicht im Abstand von 5-10 m von der Nebelquelle den pH-Wert der Umgebungsluft ( ≈  6).The pH of the generated fog is highest at the point of origin (9). By chemical reactions of the primary oxides K₂O and CaO (equations 1, 3) with components of the air, especially H₂O and CO₂ to form KHCO₃, K₂CO₃, Ca (OH) ₂ and CaCO₃ and by dilution, it quickly decreases and reaches the pH of the ambient air (≈ 6) at a distance of 5-10 m from the fog source.

Als Anzündmischung kann ein pyrotechnischer Satz mit den gleichen Komponenten wie die Mischung zur Erzeugung des Tarnnebels verwendet werden, bei dem jedoch der Gehalt an Magnesium und an Oxydationsmittel zur Steigerung der Anzündempfindlichkeit und Übertragungssicherheit erhöht ist. Der Anzündsatz kann z.B. aus folgenden Anteilen bestehen: 25% Mg, 35% KNO₃, 10% KClO₄, 20% CaCO₃, 10% KCl.A pyrotechnic mixture with the same components as the mixture for producing the camouflage mist can be used as the ignition mixture, but in which the content of magnesium and oxidizing agent is increased to increase the sensitivity to ignition and transmission reliability. The primer can e.g. consist of the following proportions: 25% Mg, 35% KNO₃, 10% KClO₄, 20% CaCO₃, 10% KCl.

Nebelsatz und Anzündsatz werden in an sich bekannter Weise in Hülsen gepreßt und mit herkömmlichen Anzündmitteln zur Reaktion gebracht.The mist set and the primer are pressed into sleeves in a manner known per se and reacted with conventional igniters.

Die Zeichnung zeigt eine Ausführungsform eines Nebelkörpers mit der neuen Mischung. In einer Hülse 1 mit Boden 3 befindet sich die verdichtete Mischung 4, welche als Abschluß die mit aufgepreßte Anzündmischung 5 trägt. Das Ausführungsbeispiel der Zeichnung besitzt eine Ausnehmung 6 zum Einsatz eines an sich bekannten Anzündmittels.The drawing shows an embodiment of a mist body with the new mixture. In a sleeve 1 with bottom 3 there is the compressed mixture 4, which carries the ignition mixture 5 pressed on with it as a conclusion. The embodiment of the drawing has a recess 6 for the use of an igniter known per se.

Bevorzugte Ausführungsformen der Mischung sind in der nachstehenden Tabelle wiedergegeben:

Figure imgb0001
Preferred embodiments of the mixture are shown in the table below:
Figure imgb0001

Claims (6)

1. Pyrotechnic composition for production of a camouflage fog, comprising a metal powder as a reducing agent, at least one oxidizing agent, at least one combustion rate moderator and at least one fog producer, characterised by a light-metal powder as the metallic reducing agent, potassium nitrate (KNO₃) or a mixture of potassium nitrate (KNO₃) and potassium perchlorate (KClO₄) as main oxidizing agent, at least one carbonate, for example calcium carbonate (CaCO₃), potassium hydrogen carbonate (KHCO₃) sodium hydrogen carbonate (NaHCO₃) potassium carbonate (K₂CO₃) sodium carbonate Na₂CO₃) and nitrogen liberating substances as moderators and potassium chloride (KCl) as a sublimable and/or common salt (NaCl) as an evaporable, non toxic fog producing substance.
2. Composition in accordance with Claim 1, characterised by the fact that the light-metal powder comprises magnesium powder (Mg).
3. Composition in accordance with Claim 1, characterised by azodicarbonamide (NH₂-CO-N=N-CO-NH₂), oxamide (CONH₂)₂ or dicyanodiamide (NH=C(NH₂)NH-CN) as nitrogen liberating substance.
4. Composition in accordance with one of Claims 1 to 3, characterised by the following proportions in percentages by weight:
Figure imgb0003
5. Composition in accordance with Claim 4, characterised by the fact that the mixture (4) is pressed into a casing (1) and is provided at an end with an ignition mixture (5).
6. Ignition mixture in accordance with Claim 4, characterised by the fact that it comprises the same constituents as the fog producing composition but in different quantitative proportions, preferably 25% Mg, 35% KNO₃, 10% KClO₄, 20% CaCO₃ and 10% KCl.
EP88904505A 1987-08-26 1988-05-05 Pyrotechnical mixture for producing a smoke screen Expired - Lifetime EP0329718B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88904505T ATE71351T1 (en) 1987-08-26 1988-05-05 PYROTECHNIC MIX TO CREATE A CAMOUFLAGE FOG.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3728380 1987-08-26
DE3728380A DE3728380C1 (en) 1987-08-26 1987-08-26 Pyrotechnic mixture for the production of a camouflage mist and ignition mixture therefor

Publications (2)

Publication Number Publication Date
EP0329718A1 EP0329718A1 (en) 1989-08-30
EP0329718B1 true EP0329718B1 (en) 1992-01-08

Family

ID=6334469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88904505A Expired - Lifetime EP0329718B1 (en) 1987-08-26 1988-05-05 Pyrotechnical mixture for producing a smoke screen

Country Status (24)

Country Link
US (1) US4968365A (en)
EP (1) EP0329718B1 (en)
JP (1) JPH02501138A (en)
KR (1) KR890701505A (en)
CN (1) CN1032778A (en)
AR (1) AR246937A1 (en)
AT (1) ATE71351T1 (en)
AU (1) AU600141B2 (en)
CA (1) CA1306112C (en)
DE (2) DE3728380C1 (en)
DK (1) DK172188B1 (en)
ES (1) ES2008004A6 (en)
FI (1) FI891759A (en)
GR (1) GR880100322A (en)
IL (2) IL87269A0 (en)
IN (1) IN168235B (en)
JO (1) JO1564B1 (en)
NO (1) NO168241C (en)
NZ (1) NZ225919A (en)
PH (1) PH23604A (en)
PT (1) PT88324B (en)
SG (1) SG85592G (en)
WO (1) WO1989001926A1 (en)
ZA (1) ZA884982B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011042114A1 (en) * 2009-10-09 2011-04-14 Rheinmetall Waffe Munition Gmbh Plastic-bonded pyrotechnical mixture for producing alkali metal chloride or earth alkali metal chloride aerosols as smokescreen
DE102012024809A1 (en) 2012-12-19 2014-06-26 Rheinmetall Waffe Munition Gmbh Pyrotechnic mixture for generating an aerosol

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8820660D0 (en) * 1988-09-01 1988-11-16 Astra Holdings Plc Smoke producing article
US4997497A (en) * 1990-04-05 1991-03-05 Rockwell International Corporation Castable smoke-producing pyrotechnic compositions
US6051087A (en) * 1992-01-29 2000-04-18 Cordant Technologies Inc. Low smoke rocket motor liner compositions
AU682682B2 (en) * 1993-02-16 1997-10-16 Spectrex Inc. Fire extinguishing methods and systems
CN1060149C (en) * 1993-03-30 2001-01-03 陈锦铭 Ammonium nitrate fuming can and making method
NL1005529C2 (en) * 1997-03-13 1998-09-15 Tno Smoke generating composition.
DE102008010942B4 (en) 2008-02-25 2012-09-27 Rheinmetall Waffe Munition Gmbh Pyrotechnic fog set to create a cloak fog
CN101624320B (en) * 2008-07-13 2012-11-14 周健 Stage quick yellow aerosol and preparation method thereof
RU2460711C1 (en) * 2011-03-29 2012-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВПО "КНИТУ") Pyrotechnic composition of coloured flame
US20120267016A1 (en) * 2011-04-19 2012-10-25 Lombardi John L Nontoxic Obscurant Compositions and Method of Using Same
GB201200829D0 (en) * 2012-01-18 2012-02-29 Albertelli Aldino Fire suppression system
US20140283706A1 (en) * 2013-03-21 2014-09-25 Kms Consulting, Llc Training ammunition cartridge with a gaseous plume signature
JP6404603B2 (en) * 2014-06-11 2018-10-10 株式会社ダイセル Smoke generator and method of using the same
JP6334298B2 (en) * 2014-07-04 2018-05-30 株式会社ダイセル Smoke generator
EP4360500A3 (en) 2015-06-03 2024-07-17 Ergotron, Inc. Height adjustable device with concealed lift mechanism
US10519074B2 (en) 2016-09-20 2019-12-31 Goodrich Corporation Obscurant emission systems and methods
CN106495971A (en) * 2016-10-13 2017-03-15 湖南荣晖实业有限公司 Luxuriant medicine is opened without sulfur
CN107021865A (en) * 2017-05-26 2017-08-08 北京理工大学 May interfere with visible ray, infrared and millimeter wave wide-band Smoke Material

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR339233A (en) * 1903-12-23 1905-01-26 Cyanidgesellschaft Mit Beschra New process for obtaining explosives
US1461646A (en) * 1919-01-14 1923-07-10 Nat Carbon Co Inc Material for producing smoke screens
DE803645C (en) * 1949-10-11 1951-04-05 Dynamit Act Ges Vormals Alfred Firedamp proof detonator in connection with electric igniters
US2995526A (en) * 1951-07-27 1961-08-08 Ment Jack De Composition for smoke production
DE918196C (en) * 1952-12-23 1954-09-20 J G W Berckholtz Fa Mass for producing colored smoke
US4484195A (en) * 1960-06-10 1984-11-20 The United States Of America As Represented By The Secretary Of The Army Method of screening infra-red radiation
US3274035A (en) * 1964-06-15 1966-09-20 Lohr A Burkardt Metallic composition for production of hygroscopic smoke
US3862866A (en) * 1971-08-02 1975-01-28 Specialty Products Dev Corp Gas generator composition and method
DE2743363C3 (en) * 1977-09-27 1980-06-19 Nico-Pyrotechnik Hanns-Juergen Diederichs Kg, 2077 Trittau Fog composition and method of making the same
DE2841815C2 (en) * 1978-09-26 1985-02-21 Buck Chemisch-Technische Werke GmbH & Co, 7347 Bad Überkingen Method for producing a floor filling
DE3031369C2 (en) * 1980-08-20 1987-01-02 Pyrotechnische Fabrik F. Feistel GmbH + Co KG, 6719 Göllheim Pyrotechnic charge consisting of a smoke composition and an ignition charge and a method for producing the mist mixture and the ignition charge
DE3104464C2 (en) * 1981-02-09 1983-01-13 Buck Chemisch-Technische Werke GmbH & Co, 7341 Bad Überkingen Method for producing a smoke set and a smoke pot with a smoke set housed therein
US4438700A (en) * 1982-07-19 1984-03-27 The United States Of America As Represented By The Secretary Of The Army White smoke spotting composition for training ammunition
FR2560371B1 (en) * 1982-07-27 1989-03-31 France Etat Armement PROCESS OF OCCULTATION OF VISIBLE AND INFRARED RADIATION AND SMOKE AMMUNITION IMPLEMENTING THIS PROCESS
FR2560186B1 (en) * 1982-07-27 1987-06-05 France Etat Armement PYROTECHNIC COMPOSITION GENERATING OPAQUE SMOKE WITH INFRARED RADIATION AND FUMIGENE AMMUNITION OBTAINED
FR2583037B1 (en) * 1985-06-07 1987-11-13 France Etat Armement EFFICIENT FLOWABLE SMOKING COMPOSITIONS IN INFRARED
USH705H (en) * 1985-10-09 1989-11-07 Process for making smoke producing composition
USH232H (en) * 1986-08-26 1987-03-03 The United States Of America As Represented By The Secretary Of The Army Smoke-producing composition
USH233H (en) * 1986-08-29 1987-03-03 The United States Of America As Represented By The Secretary Of The Army Smoke producing composition
US4841865A (en) * 1987-06-17 1989-06-27 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Smoke composition and method of making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011042114A1 (en) * 2009-10-09 2011-04-14 Rheinmetall Waffe Munition Gmbh Plastic-bonded pyrotechnical mixture for producing alkali metal chloride or earth alkali metal chloride aerosols as smokescreen
DE102012024809A1 (en) 2012-12-19 2014-06-26 Rheinmetall Waffe Munition Gmbh Pyrotechnic mixture for generating an aerosol

Also Published As

Publication number Publication date
SG85592G (en) 1992-12-24
NO891720D0 (en) 1989-04-26
CA1306112C (en) 1992-08-11
JO1564B1 (en) 1989-12-16
US4968365A (en) 1990-11-06
KR890701505A (en) 1989-12-20
GR880100322A (en) 1989-05-25
EP0329718A1 (en) 1989-08-30
AR246937A1 (en) 1994-10-31
CN1032778A (en) 1989-05-10
DK172188B1 (en) 1997-12-22
DE3867623D1 (en) 1992-02-20
NO891720L (en) 1989-04-26
AU1781788A (en) 1989-03-31
ES2008004A6 (en) 1989-07-01
NZ225919A (en) 1991-03-26
DK160989D0 (en) 1989-04-03
IL87469A0 (en) 1989-01-31
IN168235B (en) 1991-02-23
PT88324A (en) 1989-06-30
DK160989A (en) 1989-04-24
DE3728380C1 (en) 1988-11-24
NO168241C (en) 1992-01-29
PT88324B (en) 1993-09-30
FI891759A0 (en) 1989-04-13
WO1989001926A1 (en) 1989-03-09
FI891759A (en) 1989-04-13
AU600141B2 (en) 1990-08-02
PH23604A (en) 1989-09-11
NO168241B (en) 1991-10-21
ZA884982B (en) 1989-03-29
ATE71351T1 (en) 1992-01-15
IL87269A0 (en) 1989-01-31
JPH02501138A (en) 1990-04-19

Similar Documents

Publication Publication Date Title
EP0329718B1 (en) Pyrotechnical mixture for producing a smoke screen
DE3326884C2 (en) Process for masking visible and infrared radiation and mist ammunition to carry out this process
CA2431816A1 (en) Pyrotechnical aerosol-forming fire-extinguishing composite and a method of its production
DE3326883C2 (en) Pyrotechnic smoke or mist forming composition and its use
US4238254A (en) Pyrotechnic smoke charge containing guanidine nitrate
US3274035A (en) Metallic composition for production of hygroscopic smoke
EP0106334B1 (en) Pyrotechnical smoke generating charge
US4129465A (en) Smoke-generating composition
Steinhauser et al. Copper in pyrotechnics
Koch Special materials in pyrotechnics: IV. The chemistry of phosphorus and its compounds
US2885277A (en) Hydrogen gas generating propellent compositions
DE102016103810B3 (en) Pyrotechnic fog set to create a cloak fog
US3329624A (en) Composition for producing smoke
DE938596C (en) Process for the production of weather explosives with increased performance
DE918196C (en) Mass for producing colored smoke
Contini Blue Flame Pyrotechnic Compositions: A Concise Review
TH5859EX (en) Sompyrotretin for producing camouflage mist
US3046728A (en) Hydrogen gas generating propellant compositions
TH5859A (en) Sompyrotretin for producing camouflage mist
RU2090548C1 (en) Pyrotechnical composition for deposit inducing
Kustov et al. Modification of pyrotechnic composition to effectively neutralize acidic and chemically hazardous atmospheric precipitation
DE696169C (en) Smoke-producing practice bombs
DE307730C (en)
RU2102689C1 (en) Aerosol-generating compound
RU2102691C1 (en) Aerosol-generating compound

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19890206

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI NL SE

17Q First examination report despatched

Effective date: 19910226

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 19920108

Ref country code: NL

Effective date: 19920108

Ref country code: SE

Effective date: 19920108

Ref country code: BE

Effective date: 19920108

REF Corresponds to:

Ref document number: 71351

Country of ref document: AT

Date of ref document: 19920115

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3867623

Country of ref document: DE

Date of ref document: 19920220

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ET Fr: translation filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19980422

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990505

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20070515

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20070522

Year of fee payment: 20

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: NICO-PYROTECHNIK HANNS-JUERGEN DIEDERICHS GMBH &

Free format text: NICO-PYROTECHNIK HANNS-JUERGEN DIEDERICHS GMBH & CO. KG#BEI DER FEUERWERKEREI 4#D-22946 TRITTAU (DE) -TRANSFER TO- NICO-PYROTECHNIK HANNS-JUERGEN DIEDERICHS GMBH & CO. KG#BEI DER FEUERWERKEREI 4#D-22946 TRITTAU (DE)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20070522

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20070516

Year of fee payment: 20

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20080504

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20080504