US 11,753,772 B2
Methods of making fabric-creped absorbent cellulosic sheets
Daniel Hue Ming Sze, Appleton, WI (US); Xiaolin Fan, Appleton, WI (US); Hung-Liang Chou, Neenah, WI (US); Taiye Philips Oriaran, Appleton, WI (US); Farminder Singh Anand, Painesville, OH (US); Dean Joseph Baumgartner, Bonduel, WI (US); and Joseph Henry Miller, Neenah, WI (US)
Assigned to GPCP IP Holdings LLC, Atlanta, GA (US)
Filed by GPCP IP Holdings LLC, Atlanta, GA (US)
Filed on Apr. 23, 2021, as Appl. No. 17/238,244.
Application 17/238,244 is a division of application No. 16/401,269, filed on May 2, 2019, granted, now 11,021,840.
Application 16/401,269 is a division of application No. 15/912,848, filed on Mar. 6, 2018, granted, now 10,329,716.
Application 15/912,848 is a division of application No. 15/175,949, filed on Jun. 7, 2016, granted, now 9,963,831, issued on May 8, 2018.
Claims priority of provisional application 62/172,659, filed on Jun. 8, 2015.
Prior Publication US 2021/0238805 A1, Aug. 5, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. D21H 27/00 (2006.01); D21H 11/00 (2006.01); D21F 11/00 (2006.01); B31F 1/16 (2006.01); B31F 1/07 (2006.01); D21F 7/12 (2006.01); D21F 11/14 (2006.01)
CPC D21H 27/002 (2013.01) [B31F 1/07 (2013.01); B31F 1/16 (2013.01); D21F 7/12 (2013.01); D21F 11/006 (2013.01); D21F 11/14 (2013.01); D21H 11/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method of making a fabric-creped absorbent cellulosic sheet, the method comprising:
compactively dewatering a papermaking furnish to form a web having a consistency of about 30 percent to about 60 percent;
creping the web under pressure in a creping nip between a transfer surface and a structuring fabric, the structuring fabric including knuckles formed on warp yarns of the structuring fabric, with the knuckles having a length in the machine direction (MD) of the absorbent sheet and a width in the cross machine direction (CD) of the absorbent sheet, wherein a planar volumetric index of the structuring fabric is defined as a contact area ratio multiplied by an effective pocket volume times one hundred, a planar volumetric density index of the structuring fabric is defined by the planar volumetric index multiplied by the pocket density, and the planar volumetric density index of the structuring fabric multiplied by a ratio of the length of the knuckles to the width of the knuckles is at least about 43; and
drying the web to form the absorbent cellulosic sheet.