DUST ROLL AND CUT LINE MACHINING DEVICE OF DUST ROLL

摘要

PROBLEM TO BE SOLVED: To easily turn up only a dirty part of a pressure sensitive adhesive tape. SOLUTION: In this dust roll 10, a cut line 14 for a cutting line is arranged in a different level shape. For arranging a turning-up margin 16 in either one end part of a roll part 13 formed by winding the pressure sensitive adhesive tape 12 in a roll shape, a part 19 having no cut line is arranged in either one end part of the roll part 13.