Patent ID: 6461478
Filing Date: 2002-10-08
Classification: D21F

Abstract:
A pressing device for treating a fibrous material web comprising:a band screen for carrying the material web which is formed upon it; an open roll comprising recesses for receiving water pressed out of the material web; a first nip extended in a web running direction being formed between the open roll and a counter-surface comprising a pressing shoe unit; at least one of the open roll and a suction device being provided to suction the material web on the band screen; an open roll felt belt being guided over the open roll and a pressing shoe felt belt being guided over the pressing shoe unit; a second nip arranged downstream the first nip; and another felt belt arranged to travel through the second nip with the material web, wherein the pressing shoe felt belt is separated from the material web while the material web and the band screen is suctioned, and wherein the material web is removed from the band screen between the first and second nips by one of a smooth belt and a smooth roll.