Propellant charge
AssigneeNederlandse Organisatie Voor Toegpast- Natuurwetenschappelijk Onderzoek TNO
InventorsChristoffel Adrianus van Driel, Dinesh Ravindre Ramlal, Martijn Zebregs, Michiel Hannes Straathof
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Abstract
The invention is in the field of propellants. In particular the invention is directed to a propellant for ammunition, such as medium and large caliber gun ammunition, having improved performance. In accordance with the present invention a propellant charge comprises one or more longitudinally extending, progressive-externally burning grains having a number of perforations passing through the grains in the length direction and having a cross-sectional shape (perpendicular to the grain's length direction) that is elongated.
Claims10
Propellant charge comprising one or more longitudinally extending, progressive-externally burning grains having a number of perforations passing through the grains in the length direction,
- wherein said grains have a cross-sectional shape (perpendicular to the grain's length direction) that is elongated,
- wherein said grains have a cross-sectional shape that is line-symmetric in at most two different lines, and
- wherein said grains are cut under an angle of 45°-90°, relative to their longitudinal axis.
Dependencies are inferred from the claim text.