Wet press felt
AssigneeAlbany International Corp.
InventorEric R. Romanski
Life of this patent
Estimating the term…
Abstract
A papermakers press felt having a raised pattern of substantially incompressible islands which provide void area on the back of the felt for the free passage of water which has been squeezed from the felt by press rolls, allowing lateral as well as longitudinal flow and providing a degree of pumping action.
Claims4
Press means for use in a papermaking machine including in combination a water permeable endless base fabric for transporting paper sheet, an upper surface thereof for receiving in contact therewith paper sheet to be transported, a backside thereof, press rolls for receipt of said fabric, a plurality of discrete raised relatively incompressible island members in firm engagement with said backside, said island members maintaining intersecting channels to allow for lateral and longitudinal flow of water expressed from paper sheet on said upper surface upon the entrance of said fabric into the nip of said press rolls.
Dependencies are inferred from the claim text.