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U.S. Patent No. 12,004,927
August 14, 2024
By: Tara Olivo
Associate Editor at Nonwovens Industry
Syunsuke Sakai, Tochigi, Japan. Assigned to Daio Paper Corporation, Ehime, Japan. Filed: 4/11/22 Issued: 6/11/24 An absorbent article comprising an absorber that absorbs excrement, wherein: the absorbent article has an elastic film stretchable structure in which an elastic film is stacked between a first sheet layer and a second sheet layer and the first sheet layer and the second sheet layer are bonded via through-holes penetrating the elastic film at a plurality of sheet bonded portions arranged at intervals, and the elastic film stretchable structure has a portion in which an area rate of a subset of the plurality of sheet bonded portions changes in a stretchable direction of the elastic film stretchable structure, and a difference between a maximum value and a minimum value in a change of the area rate of the subset of the plurality of sheet bonded portions in the stretchable direction is 4.5% or less.
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