Patent ID: 11898833
Assignee: RHEINMETALL WAFFE MUNITION GMBH
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A case jacket made of felted, in particular combustible fibrous material, the case jacket comprising:
a cylindrical case jacket portion;
a calotte-shaped case bottom that is connected to one end of the cylindrical case jacket portion,
wherein a bottom-side end of the cylindrical case jacket portion has a first inside diameter and a first outside diameter, and
wherein the calotte-shaped case bottom has an annular connecting edge towards the cylindrical case jacket portion, which has a second inside diameter that is smaller than the first inside diameter and a second outside diameter that is smaller than the first outside diameter; and

a conical connecting portion having an inner wall and an outer wall, wherein one end of the conical connecting portion has the first inside diameter and the first outside diameter and is connected to the bottom-side end of the cylindrical case jacket portion, and whose other end has the second inside diameter and the second outside diameter and is connected to the connecting edge of the calotte-shaped case bottom,
wherein an angle of inclination of the inner wall and an angle of inclination of the outer wall of the conical connecting portion with respect to a cylinder axis are not more than 10 degrees.