| 摘要 |
It consists of a preferably cylindrical tube sleeve with an inner wall surface (6) which in end portions (2) diverge outwardly and form a climbing surface (7) in each end portion (2) for climbing of the rolled sheet. A longitudinal slit (8) is arranged in the wall of the tube sleeve. The periphery of the end portions (2) is uniformly polygonal having edge surface (5) which are arranged to form support surfaces for the holder (1) when it is positioned on a planar surface. |
