Wataru Urakawa, Tochigi, Japan.
Assigned to Daio Paper Corporation, Ehime, Japan.
Filed: 5/1/18
Issued: 1/14/25
A disposable wearing article, comprising a laminated stretchable structure, in which an elastic sheet of thermoplastic resin is laminated between a first sheet layer made of nonwoven fabric and a second sheet layer made of nonwoven fabric, and the first sheet layer and the second sheet layer are bonded through through-holes formed on the elastic sheet at a large number of bonded portions arranged at intervals, wherein, in the bonded portions, one of the first sheet layer and the second sheet layer comprises a one sheet layer and the other of the first sheet layer and the second sheet layer comprises another sheet layer, wherein, the one sheet layer and the elastic sheet are each melt-solidified in whole in a thickness direction in the bonded portions, and a layer forming at least a surface opposite to the elastic sheet in the other sheet layer is not melt-solidified in the bonded portions, and wherein the first sheet layer and the second sheet layer are bonded via a melt-solidified material of the one sheet layer and a melt-solidified material of the elastic sheet at the bonded portions.