Patent ID: 6550656
Filing Date: 2003-04-22
Classification: B65H

Abstract:
A device for spreading, compressing and guiding a running material web comprising:a rotatable roll (5); a series of slats (13, 13â€²) disposed around the circumference of the roll (5), said slats extending transverse to a moving direction (L) of the material web, wherein each slat comprises a first half and a second half, said first half of every other slat at least partially having a greater adhesive power than the corresponding second half, said corresponding second half being provided with a sliding surface, and said second half of the remaining slats having a greater adhesive power than the corresponding first half of the remaining slats, said corresponding first half of the remaining slats being provided with a sliding surface, so that the material web, when viewed in the moving direction of the web, is engaged by successive slat halves in an alternating adhesive and sliding manner; and a control device (14, 14â€²) disposed at each end of the roll (5) for periodically displacing the slats (13, 13â€²) transversely to the material web during rotation of the roll (5).