IMPROVED PRINTING OF ENERGETIC MATERIALS
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United States of America Patent
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Issued Date -
Jun 9, 2022
app pub date -
Mar 6, 2020
filing date -
Mar 6, 2020
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Abstract
The invention is directed to a method for the preparation of an energetic material product such as a propellant or explosive charge or grain, wherein said method comprises additive manufacturing comprising co-extrusion of at least two materials to form a multi-layered filament and layer-by-layer deposition of said multi-layered filament, wherein said multi-layered filament comprises a first material layer and a second material layer of which at least one comprises an energetic material. In another aspect, the invention is directed to an apparatus for use in this method, said apparatus comprising a co-extrusion nozzle
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