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US 11,118,874 B2Granted
Cylindrical case for propellant charge powder
AssigneeNitrochemie Aschau GmbH
InventorsAlexander Huber, Jens Oltmanns, Ulrich Focken, Walter Lebacher
Life of this patent
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Abstract
The invention refers to a cylindrical sleeve (6) for receiving propellant powder (4) with a dimensionally stable jacket wall of combustible, felted fibre material and an insert (5) of a textile fabric in the jacket wall, and to a method of manufacturing a cylindrical sleeve (6).
Claims12
A cylindrical case (6) for receiving propellant powder (4) with a dimensionally stable jacket wall of combustible, felted fibre material and an insert (5) of a textile fabric in the jacket wall,
- characterized in that
- the insert (5) has a greater ultimate elongation than the felted fibre material.
Dependencies are inferred from the claim text.