Patent ID: 6595976
Filing Date: 2003-07-22
Classification: A61F

Abstract:
A disposable pull-on diaper comprising:a front waist region; a rear waist region; a crotch region located between the front waist region and the rear waist region; a liquid-pervious topsheet; a liquid-impervious backsheet; and a liquid-absorbent core disposed between said liquid-pervious topsheet and said liquid-impervious backsheet, said liquid-absorbent core having a width, said front and rear waist regions being joined to each other along transversely opposite side edges thereof so as to form a waist-opening and a pair of leg-openings, said waist opening being provided with a plurality of first elastic members and said leg-openings also being provided with a plurality of second elastic members, respectively, said first and second elastic members extending under tension along peripheral edges of said waist-opening and leg-openings, said disposable pull-on diaper further comprising a plurality of third elastic members which extend across said liquid-absorbent core at least in said front and rear waist regions between transversely opposite side edges of said front and rear waist regions, each of said plurality of third elastic members presenting a stretch stress which is lower than a stretch stress presented by each of said first elastic members, said plurality of third elastic members extending across the liquid-absorbent core on an outer surface thereof, said plurality of third elastic members having: first portions that extend outward beyond the transversely opposite side edges of said liquid-absorbent core, said first portions being secured to said liquid-impervious backsheet; and second portions that have lengths which extend across the entire width of the liquid-absorbent core, said second portions being un-bonded to each of said liquid-impervious backsheet and said liquid-absorbent core along the entire lengths of the second portions.