Patent ID: 6312420
Filing Date: 2001-11-06
Classification: A61F

Abstract:
A pants-type disposable diaper comprising:a pants-shaped outer cover having a front waist region, a rear waist region and a crotch region extending between said front and rear waist regions, said front waist region being connected to the rear waist region along transversely opposite side edges so as to form a waist-opening and a pair of leg-openings;a liquid-absorbent pad attached to an inner side of said outer cover and extending across said crotch region into said front and rear waist regions, said liquid-absorbent pad including an elongate pad body comprising a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed between said liquid-pervious topsheet and said liquid-impervious backsheet;first elastic members circumferentially extending under tension in a vicinity of said waist-opening;second elastic members circumferentially extending under tension in a vicinity of uppermost portions of said pair of leg-openings;a pair of barrier cuffs comprising:proximal edges which extend along transversely opposite side edges of said liquid-absorbent core, said proximal edges being integral with a portion of said liquid-impervious backsheet which extends laterally beyond said side edges of said liquid-absorbent core; anddistal edges which extend in parallel to said proximal edges and which are collapsible onto an inner side of said pad body to partially cover said liquid-pervious topsheet,said pad body having an outer surface with longitudinally opposite ends thereof being joined to the inner side of said outer cover in the front and rear waist regions between one of said first elastic members and one of said second elastic members,said pair of barrier cuffs having inner surfaces at said longitudinally opposite ends which are joined to said topsheet,said pants-type disposable diaper further comprising:third elastic members which extend under tension along respective ridges of said distal edges; andfourth elastic members which extend longitudinally under tension between said proximal edges and said distal edges with one of said fourth elastic members intersecting said second elastic members in said front and rear waist regions.