Patent ID: 6527756
Filing Date: 2003-03-04
Classification: A61F

Abstract:
A disposable diaper having an absorbent body comprising:a liquid-pervious topsheet; a liquid-impervious backsheet; a liquid-absorbent core disposed between said topsheet and said backsheet; an annular first liquid-barrier wall having upper and lower peripheral edge portions and extending above an upper surface of said topsheet, the lower peripheral edge portion of said first liquid-barrier wall being folded inwardly of said body and joined to said body so as to define a first opening substantially in a central zone of said first liquid-barrier wall and the upper peripheral edge of said first liquid-barrier wall is elastically stretchable along said first opening, said first liquid-barrier wall lying in a rear half section of said body extending from a vicinity of a center line bisecting a longitudinal dimension of said body toward a rear end portion of said body; and an annular second liquid-barrier wall having upper and lower peripheral edge portions and lying in line longitudinally with said first liquid-barrier wall lying in a front half section of said body extending from a center line toward a front end portion of said body, and the lower peripheral edge portion of said second liquid-barrier wall being folded inwardly of said body and joined to said body so as to define a second opening in a substantially central zone of said second liquid-barrier wall and an upper peripheral edge portion having an elastic stretchability along said second opening.