Method for increasing the internal bulk of wet-pressed tissue

Details Method for increasing the internal bulk of wet-pressed tissue Method for increasing the internal bulk of wet-pressed tissue

D - Textiles, Paper

21

F

D21F 11/00 (2006.01) D21F 5/04 (2006.01) D21H 15/00 (2006.01)

Patent

CA 2105024

Abstract of the Disclosure The internal bulk of a tissue web can be improved during manufacturing of the basesheet by subjecting the tissue web to differential pressure while supported on a coarse fabric at a consistency of about 30 percent or greater. The differential pressure, such as by applying vacuum suction to the underside of the coarse fabric, causes the wet web to deflect into the openings or depressions in the fabric and "pop" back, resulting in a substantial gain in thickness or internal bulk. The method is especially adapted to improve the internal bulk of wet-pressed tissue webs.

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