| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing paper rolls, a method by which a mark showing a position of perforation can be accurately printed at prescribed positions without increasing work processes and by which productivity and quality can be improved.SOLUTION: A roll (perforation roll 108, flexographic plate 109) is rotated in which a perforation forming part (blade line 108a) for forming perforations 2 and a printing part (flexographic plate 109) for printing marks 3 are installed on the surface. Then, by pressing the roll on a transported paper strip 1, the perforations 2 and the marks 3 are formed on the paper strip 1. |
