Cross cutter track guiding zone for book`s protection cover, has multiple cutting lines, each constituted of score that guides cutting blade of cutter to cut corner edges of protection cover of book

摘要

The guiding zone has multiple cutting lines, each constituted of score having width of 1.8 millimeters and a depth of 2.5 millimeters. The scores guide a cutting blade of a cutter to cut corner edges of a protection cover of a book. The variation of direction of one of the edges from the scores towards a part (3) of the guiding zone is effectuated along a curve.