Hirotomo Mukai, Kagawa, Japan; and Takaya Arayama, Kagawa, Japan. Assigned to Unicharm Corporation, Ehime, Japan.
Filed: 2/25/11
Issued: 9/8/15

A disposable wearing article, comprising: an absorber having: a lengthwise direction; a widthwise direction which is orthogonal to the lengthwise direction; an inward direction which is adapted to be oriented toward a wearer; and an outer direction which is oriented to a side opposite to the inward direction, wherein the absorber has, in a crotch portion region adapted for application to a crotch portion of the wearer, a central portion Which is formed at a central part of the absorber in the widthwise direction, a pair of side edge portions including side edges of the absorber in the widthwise direction, and a pair of middle portions which are positioned between the central portion and the side edge portions, at the central portion, a central curve forming portion is formed along the lengthwise direction so that the absorber can be curved to be convex in the inward direction, at the middle portions, a pair of side curve forming portions are formed along the lengthwise direction so that the absorber can be curved to be convex in the outer direction, a top face of the absorber, which is formed to be convex in the inward direction by the central curve forming portion, is adapted to come into contact with the crotch portion, and a thickness of the absorber at the central portion is smaller than a thickness of the absorber at the middle portions, a thickness of the absorber at the side edge portions is smaller than the thickness of the absorber at the middle portions, the absorber has a first layer and a second layer superimposed on the first layer, the central portion and the side edge portions are formed of only the second layer, the middle portions are formed of the first layer and the second layer, the first layer is substantially hourglass shaped with a narrow portion having a predetermined width in the widthwise direction, and a wide portion formed at each end of the narrow portion hi the lengthwise direction, the wide portion having a greater width in the widthwise direction than the narrow portion, the second layer has an overhang portion which extends outwardly further in the widthwise direction than the narrow portion, and a position in the lengthwise direction of the overhang portion is superimposed on a position in the lengthwise direction of the narrow portion.