Press felt for making paper

Details Press felt for making paper Press felt for making paper

D - Textiles, Paper

21

F

D21F 7/08 (2006.01)

Patent

CA 2302988

A paper-making press felt is disclosed and comprises a base member and at least one batt layer laminated on the base member. The felt is characterized in that: the base member includes a first ground fabric and a second ground fabric; of the first ground fabric and the second ground fabric, the first ground fabric is arranged nearest to a surface of the felt on which a wet paper sheet is placed; and the second ground fabric is arranged next to the first ground fabric, has a density higher than that of the first ground fabric and is such that the movement of water from the second ground fabric to the first ground fabric is regulated by the difference in density between the first and second ground fabrics, thereby to prevent re- wetting of the paper sheet as the press felt leaves a nip of a press.

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