| 摘要 |
PROBLEM TO BE SOLVED: To provide an underpants-type disposable diaper having external appearance like an underwear, making a wearer hardly feel pain even when touching a side seal part, and easy to be torn off at a side seal part when the wearer takes it off.SOLUTION: An exterior body 3 is formed by including a laminate of a stretchable sheet 30 containing elastic fiber and non-elastic fiber, and a non-stretchable sheet not containing elastic fiber. The thickness of a side seal part 4 is large, compared to that of parts excluding the side seal part, of a ventral part F and a back side part R forming the side seal part. An outside end face 40 of the side seal part is formed with a smooth area in which the outside end face is smooth, and elastic fiber exists in the smooth area. |
