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Patents

Absorbent Article:

U.S. Patent No. 11,229,559

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By: Karen McIntyre

Editor, Nonwovens Industry

Satoru Sakaguchi, Kagawa, Japan; and Maika Takahashi, Kagawa, Japan.
Assigned to Unicharm Corporation, Ehime, Japan.

Filed: 1/13/17
Issued: 1/25/22

An absorbent article comprising a front sheet, a back sheet, and an absorbent body disposed in a laminate of the front sheet and the back sheet, and having a lengthwise direction, a widthwise direction and a thickness direction, the absorbent article comprising: a waist expandable-and-shrinkable member that is expandable and shrinkable in an expansion-and-shrink direction and disposed between the front sheet and back sheet in the laminate, the expansion-and-shrink direction being along the widthwise direction; and a pair of side expandable-and-shrinkable members that are expandable and shrinkable in the expansion-and-shrink direction, the pair of side expandable-and-shrinkable members being formed on a perimeter section of the laminate so that the expansion-and-shrink direction is along the widthwise direction, and one and the other of the pair of side expandable-and-shrinkable members being formed on one edge and the other edge, respectively, in the widthwise direction of the laminate, wherein the waist expandable-and-shrinkable member overlaps with each of the pair of side expandable-and-shrinkable members in the lengthwise direction, is disposed on a non-skin side with respect to the absorbent body in the thickness direction, and overlaps but non-bonded to the absorbent body in the thickness direction, one direction in the lengthwise direction is a frontward direction and the other is a backward direction, the waist expandable-and-shrinkable member includes a first edge elongated in the widthwise direction and a second edge elongated in the widthwise direction, and an edge of the absorbent body in the backward direction is elongated in the widthwise direction and is situated, in the lengthwise direction, between the first and second edges of the waist expandable-and-shrinkable member.

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