| 摘要 |
PROBLEM TO BE SOLVED: To provide a foreign matter removal device, a web processing machine and a foreign matter removal method where a slip flaw caused on a web can be prevented since the slipping of a roll on the web can be suppressed.SOLUTION: In a foreign matter removal device where belt-like webs W1, W2 and W3 continuously transported are hung over the outer peripheral surfaces of the webs and foreign matter removal from the outer peripheral surface of a rotating roll (for example, a free roll 40a) is performed by rotating together with the webs W1, W2 and W3, rotation driving force is applied to the roll 40a with a rotation assisting portion 48 when the tip part of a doctor blade 60 is brought into contact with the outer peripheral surface of the roll 40a by moving the doctor blade 60 to an advanced position with a doctor blade drive portion 63.SELECTED DRAWING: Figure 3 |
