| 摘要 |
<p>The invention relates to a cylindrical cardboard bobbin-holder tube (3) for a filamentary material, said tube comprising an upper edge (7), a lower edge (9), a principal internal diameter, a principal external diameter, and retaining means (15), arranged next to the lower edge (9), for retaining the initial segment of the filamentary material. The bobbin-holder tube (3) comprises an external peripheral recess (19) in one of the edges, and an internal peripheral recess (17) in the other edge, wherein the lower edge (9) can be fitted into the upper edge (7) of a second identical tube (3).</p> |
