| 摘要 |
A device (10) for applying fold lines to a sheet material, the device (10) including an arm (11) which is fixed relative to and overlies the upper surface (26) of a base (12) in a manner which enables at least one sheet to be inserted between the arm (11) and the upper surface (26). The arm (11) having two edges (13, 14) about which a sheet (28), which is located between the arm (11) and the upper surface (26), can be folded. |
