Manufacture of pyrotechnic objects by a dry process; pyrotechnic objects
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United States of America Patent
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Jul 10, 2012
Grant Date -
Aug 20, 2009
app pub date -
Jun 15, 2006
filing date -
Jun 15, 2005
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Abstract
The present invention relates to a dry process for the manufacture of pyrotechnic objects from at least one reducing charge selected from guanidine derivatives, metal hydrides, alkali metal hydrides and alkaline earth metal hydrides, and at least one oxidizing charge selected from alkali metal nitrates, alkaline earth metal nitrates and basic metal nitrates, at least one of said reducing and oxidizing charges having the property of flowing under stress. Said process makes it possible to obtain pellets and small tablets directly by compaction/compression, to obtain granules, usable as such, by compaction and then granulation, and to obtain compressed objects by compaction, granulation and then compression.
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