Patent ID: 6820786
Filing Date: 2004-11-23
Classification: B27N,B65H,D04H

Abstract:
A device comprising:a pressing roller pair having a roller nip through which only an unbonded nonwoven material passes; an adjacent roller downstream of the pressing roller pair for further transport of the nonwoven material; and a perforated drum provided between the pressing roller pair and the adjacent roller, the perforated drum having an inner cover provided on a top side of the perforated drum and otherwise being subject to a partial vacuum, the inner cover extending over more than 180Â° and beginning directly above a delivery line of the nonwoven material from the pressing roller pair and ending directly above a delivery line of the nonwoven material to the adjacent roller, and the perforated drum being engaged with the roller nip of the pressing roller pair such that the nonwoven material partially encircles a lower roller of the pressing roller pair.