Patent ID: 9169098
Filing Date: 2015-10-27
Classification: B29C,B29K,B29L,B65H

Abstract:
1. A deviation device for a film web of a film-producing or film-processing plant, comprising: at least one roller that operatively interacts with the film web at a point of deviation of the film web and guides the film web on an air cushion, the roller being axially rotatable about an axis thereof and including a drive device that sets the roller into rotation so that a peripheral speed of the roller differs from a transport speed of the film web so as to create the air cushion, a direction of rotation (A) of the roller being opposite to a transport direction (B) of the film web at the point of deviation, that the peripheral speed of the roller being greater than 30 m/s, and a maximum roughness depth of an outer surface of the roller being between 0.5 and 2 micrometers.