pivoting around an axis perpendicular to the plane of the material (especially when web is running in a U-loop)

Full Title

Handling processes for sheets or webs > Type of handling process > Moving, forwarding, guiding material > by acting on surface of handled material > by means having an operating surface contacting only one face of the material, e.g. roller > Rollers > pivoting around an axis perpendicular to the plane of the material (especially when web is running in a U-loop)