US 12,213,866 B2
Apertured nonwoven webs
Gueltekin Erdem, Beijing (CN); Meng Chen, Beijing (CN); Jihua Xie, Xiamen (CN); and Jixiang Cai, Xiamen (CN)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Apr. 18, 2024, as Appl. No. 18/639,054.
Application 18/639,054 is a continuation of application No. 16/919,541, filed on Jul. 2, 2020, granted, now 12,004,932.
Claims priority of application No. PCT/CN2019/096067 (WO), filed on Jul. 16, 2019.
Prior Publication US 2024/0261158 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 13/512 (2006.01); A61F 13/15 (2006.01); A61F 13/511 (2006.01); A61F 13/53 (2006.01)
CPC A61F 13/5123 (2013.01) [A61F 13/15699 (2013.01); A61F 13/5116 (2013.01); A61F 2013/51178 (2013.01); A61F 2013/53035 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An absorbent article comprising:
a nonwoven topsheet:
a liquid impermeable backsheet; and
an absorbent core positioned at least partially intermediate the topsheet and the backsheet;
wherein the topsheet comprises:
fibers;
a first side; and
a second side;
wherein the topsheet defines a plurality of apertures;
wherein the apertures each have a first side aperture size and a second side aperture size, wherein a ratio of the first side aperture size to the second side aperture size is between about 1.15:1 and about 1:1.15, according to the Aperture Size Ratio Test;
wherein the plurality of apertures have an aperture size regularity of about 1% to about 15%, according to the Aperture Size Regularity Test;
wherein the plurality of apertures have an aperture shape regularity of between about 1% to about 12%, according to the Aperture Shape Regularity Test; and
wherein the topsheet has an opening rate of between 10% and 20%, according to the Opening Rate Test.