| 摘要 |
PROBLEM TO BE SOLVED: To provide a web processing device which can stabilize the conveyance of a web.SOLUTION: A web processing device 1 includes a supplying unit 2 around which a belt-like web 40 is wound, a conveying unit 4 which conveys the web 40, a processing unit 3 which performs predetermined processing on the web 40, and a plurality of guide rolls 9 which guide the web 40 being conveyed. At least one guide roll 10 among the plurality of guide rolls 9 has a roll body 12 which includes a rotational shaft 11, and a pair of spiral grooves 21 and 22 formed at an outer periphery 12a of the roll body 12. One spiral groove 21 extends to the other spiral groove 22 while revolving in an opposite direction to a rotation direction of the roll body 12, and the other spiral groove 22 extends toward one spiral groove 21 while revolving in an opposite direction to the rotation direction of the roll body 12. |
