Patent ID: 6589394
Filing Date: 2003-07-08
Classification: D21F

Abstract:
An air press for pressing a fiber web, said air press comprising:a plurality of rolls, each pair of adjacent rolls forming a nip therebetween, each said roll having a pair of roll ends, said plurality of rolls together forming two sets of roll ends; a pair of end seal arrangements, each said end seal arrangement coacting with one set of roll ends, said plurality of rolls and said pair of end seal arrangements together defining an air press chamber having an air chamber pressure, each said end seal arrangement comprising: at least one roll seal including a first roll seal, each said roll seal forming a seal with at least one roll end, one side of said first roll seal being exposed to said air chamber pressure; and an adjustable bias mechanism configured for controlling a position of each said roll seal relative to a respective at least one said roll end and for adjusting a seal force between said roll seal and said respective at least one said roll end.