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US 4,968,365 AGranted
Pyrotechnical mixture for producing a smoke screen
AssigneeRheinmetall GmbH
InventorUwe Krone
Life of this patent
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Abstract
A pyrotechnic mixture for producing a smoke screen includes a reduction agent comprising a light metal, at least one oxidation agent comprising potassium nitrate, combustion moderators including at least one carbonate and a nitrogen producing compound and at least one sublimable or evaporatable, smoke generating, nontoxic additive.
Claims16
A pyrotechnic mixture for producing a smoke screen, the mixture including:
- a reduction agent comprising light metal powder,
- at least one oxidation agent comprising potassium nitrate,
- combustion moderators including at least one carbonate and a nitrogen producing compound, and
- at least one sublimable or evaporatable, smoke generating, nontoxic additive.
1 more element
A smoke producing device comprising:
- a smoke generating composition including:
- a reduction agent comprising Mg present at 10-25% by weight,
- an oxidizing agent comprising KNO.sub.3 present at 20-36% by weight,
- a carbonate comprising CaCO.sub.3 present at 9-20% by weight,
- at least one sublimable or evaporatable, smoke generating, nontoxic additive comprising at least one compound selected from the group consisting of KCl and NaCl present at 20-50% by weight, and
- a nitrogen producing compound comprising at least one compound selected from the group consisting of azodicarbonamide, oxamide and dicyandiamide present at 5-20% by weight;
- a casing for receiving said smoke generating composition;
- and
- an ignition mixture located at one end of said casing.
6 more elements
Dependencies are inferred from the claim text.