Patent ID: 8440055
Filing Date: 2013-05-14
Classification: D21F

Abstract:
1. A method of drying a paper web, comprising the steps of: providing a pressing arrangement including: at least one first fabric; at least one second fabric, said at least one first fabric and said at least one second fabric being permeable; a paper web disposed between said first fabric and said second fabric; a pressure producing element being in contact with said at least one first fabric; a support surface of a supporting structure being in contact with said at least one second fabric; and a differential pressure being provided between said first fabric and said support surface and acting on said at least one first fabric, said paper web, and said at least one second fabric, whereby said paper web is subjected to mechanical pressure and experiences a predetermined hydraulic pressure so as to cause water to be drained from said paper web, said pressing arrangement being structured and arranged to allow air to flow in a direction from said at least one first fabric through said paper web and through said at least one second fabric; moving said paper web disposed between said at least one first fabric and said at least one second fabric, between said support surface and said pressure producing element ; and moving a fluid through said paper web, said at least one first fabric, said at least one second fabric and said support surface.