Bend line carving/moment facilities manner and blade null for bend line carving/moment facilities

摘要

PROBLEM TO BE SOLVED: To provide a blade for engraving a folding line for altering an interval of two folding lines to be engraved in response to a material. ;SOLUTION: A plurality of blades 1 each having at least one filament-like cutting edge 3 are superposed and formed, and provided to engrave a plurality of folding lines by pressing the edges 3 to a workpiece. The edges 3 of the respective blades 1 are arranged by being deviated from a central position of each blade 1 in its thickness direction. The interval between the edges 3 can be altered to a plurality of ways according to a way of superposing the blades 1 to be superposed.;COPYRIGHT: (C)1999,JPO