Patents

Absorbent Article Including Absorbent Body and Front Exterior Body Disposed in Front Waistline Region

U.S. Patent No. 12,396,902

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By: Tara Olivo

Associate Editor at Nonwovens Industry

Mamoru Daio, Kagawa, Japan; Etsuko Kudo, Kagawa, Japan; and Yuki Hashino, Kagawa, Japan.
Assigned to Unicharm Corporation, Ehime, Japan.

Filed: 6/19/20
Issued: 8/26/25

An absorbent article having a front-rear direction and a width direction orthogonal to the front-rear direction, comprising: a front waistline region; a rear waistline region; a crotch region disposed between the front waistline region and the rear waistline region; an absorbent body that straddles the crotch region, the front waistline region, and the rear waistline region; and a front exterior body disposed in the front waistline region on a non-skin surface side of the absorbent body, wherein the absorbent body comprises an absorbent core and a front end part extending toward a front side of the absorbent article from the absorbent core, a liquid-impermeable sheet and a liquid-permeable body sheet overlapping the liquid-impermeable sheet in a thickness direction are disposed in the front end part, the absorbent article further comprises: a sheet non-bonding region where the liquid-impermeable sheet and the body sheet are not bonded; and a body non-bonding region where the absorbent body and the front exterior body are not bonded, the front end part comprises a duplicating region where the sheet non-bonding region and the body non-bonding region overlap each other, the liquid-impermeable sheet and the body sheet straddle the front end part and a region overlapping the absorbent core in the thickness direction, the liquid-impermeable sheet and the body sheet sandwich the absorbent core in the thickness direction, a sheet bonding region is disposed closer to the crotch region than the sheet non-bonding region, the liquid-impermeable sheet and the body sheet are bonded to each other in the sheet bonding region, and an inner end edge of the sheet non-bonding region on a crotch region side is disposed closer to the front side of the absorbent article than the absorbent core.  

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