External layer sheet for disposable diaper and disposable diaper provided therewith

摘要

PROBLEM TO BE SOLVED: To provide a disposable diaper outer sheet having wide size adaptability while securing air permeability, and a diaper including the sheet.SOLUTION: The disposable diaper outer sheet comprises at least one unwoven fabric layer, the outer sheet having a front surface part to be disposed at an abdominal side of a wearer, a back surface part to be disposed at a back side of the wearer, a crotch part positioned between the front surface part and the back surface part and having a width narrower than those of the front surface part and the back surface part, and curved narrow parts spreading at both ends of the crotch part. The outer sheet has a folded part folded multiple time at a predetermined width such that when the outer sheet is worn, the folded part is expanded to generate a space between the wearer and the outer sheet.SELECTED DRAWING: Figure 1