JP2014054352A5 - - Google Patents

Claims (12)

An absorbent body including an absorbent body, a surface sheet disposed on the inner surface side of the absorbent body, and an outer layer composite sheet disposed on the outer surface side of the absorbent body, and one or both sides in the longitudinal direction of the absorbent body Disposable diapers with stretchable side panels attached to
The side panel is provided with a fastening tape at the tip,
The absorbent main body has a three-dimensional guard forming sheet disposed on both sides in the longitudinal direction of the absorbent main body,
The three-dimensional guard forming sheet has a two-layer structure portion and a three-layer structure portion formed by folding both sides of one sheet so as to overlap each other, and the two-layer structure portion and the three-layer structure portion. Are bonded to each other, and are fixed to the sheets constituting the side panel on both sides in the longitudinal direction of the absorbent main body ,
The three-layer structure portion includes an outer end on the side panel side and an inner end on the absorbent main body side of one sheet of the three-dimensional guard forming sheet, respectively, on the outer surface side of the three-dimensional guard forming sheet. Or it is folded back to the inner surface side,
The three-layer structure part is a disposable diaper fixed to one or both of a sheet constituting the side panel and a sheet constituting the absorbent main body .   The disposable diaper according to claim 1, wherein the bonding between the layers is performed by heat fusion.   The disposable diaper according to claim 1 or 2, wherein the three-dimensional guard forming sheet is fixed to a sheet constituting the side panel via a surface-side adhesive layer.   The three-layer structure portion includes an outer end on the side panel side and an inner end on the absorbent main body side of one sheet of the three-dimensional guard forming sheet, and the outer surface side of the three-dimensional guard forming sheet. The disposable diaper according to any one of claims 1 to 3, wherein the disposable diaper is formed by being folded back.   The disposable diaper according to any one of claims 1 to 4, wherein the three-layer structure portion is formed by covering the outer end portion folded back with the folded inner end portion.   The disposable diaper according to claim 2, wherein the two-layer structure part of the folded three-dimensional guard forming sheet is joined by a first heat-sealing part.   The disposable diaper according to claim 2, wherein the two-layer structure portion and the three-layer structure portion of the folded three-dimensional guard forming sheet are joined together by a first heat-sealing portion.   The disposable diaper according to claim 6 or 7, wherein the three-layer structure part of the folded three-dimensional guard forming sheet is joined by a second heat fusion part.   The disposable diaper according to claim 8, wherein the second heat-sealing portion is disposed across the two-layer structure portion and the three-layer structure portion of the folded three-dimensional guard forming sheet.   The disposable diaper according to claim 8 or 9, wherein the second heat fusion part has a linear shape.   The disposable diaper according to claim 10, wherein the second heat fusion part intersects with a longitudinal direction of the disposable diaper. The disposable diaper according to any one of claims 8 to 11, wherein a seal pattern area of one second heat fusion part is larger than a seal pattern area of one first heat fusion part.