阅读说明：本技术 筒子壳体 (Cartridge case ) 是由 H·瓦尔特曼 J·科瓦尔斯基 R·沃斯 于 2020-04-06 设计创作，主要内容包括：本发明涉及一种用于容纳纱线筒子的卷绕筒管,其具有被设计成能够被推装到筒子芯轴上的空心圆柱形的管体(1)。为了获得管体(1)在筒子芯轴(8)周面上的径向固定,根据本发明,在该管体的至少一个端面(2.1)上设置固定件(3),该固定件为了在筒子芯轴(8)的周面上径向拉紧该管体(1)被设计成可弹性变形。(The invention relates to a winding bobbin for receiving a yarn bobbin, comprising a hollow cylindrical tube body (1) which is designed to be pushed onto a bobbin core. In order to obtain a radial fixing of the tube (1) on the circumference of the bobbin spindle (8), according to the invention, a fastening element (3) is provided on at least one end face (2.1) of the tube, which fastening element is designed to be elastically deformable in order to radially tension the tube (1) on the circumference of the bobbin spindle (8).)