Patent ID: 6767344
Filing Date: 2004-07-27
Classification: A61F

Abstract:
A disposable wearing article comprising:a liquid-pervious topsheet; a liquid-impervious backsheet; a liquid-absorbent core positioned between said liquid-pervious to sheet and said liquid-impervious backsheet; a front waist region; a rear waist region; a crotch region extending between said front and rear waist regions; longitudinally opposite end portions extending in parallel to each other in a first direction across said front and rear waist regions; transversely opposite side edge portions extending between said longitudinally opposite end portions in a second direction; elastic members being stretchable in said first direction attached under tension to said longitudinally opposite end portions so as to be adjacent a waist-opening; elastic members being stretchable in said second direction attached under tension to said transversely opposite side edge portions in said crotch region so as to be adjacent a pair of leg-openings; and a substantially liquid-impervious leak-barrier cuff adjacent the waist-opening extending in said first direction across at least said rear waist region of said front and rear waist regions, said leak-barrier cuff having: a fixed end portion lying adjacent one longitudinal end portion of said article; a free end portion extending from said fixed end portion toward the crotch region; fixed side portions lying on respective ones of said transversely opposite side edge portions; an elastic member being stretchable in said first direction is attached under tension to said free end portion so that said free end portion is biased by said elastic member to rise on said topsheet; and a rising fulcrum zone of said leak-barrier cuff that lies in a substantially non-contractible region of said article extending between said elastic member adjacent the waist-opening and said elastic member adjacent the leg-openings, wherein said leak-barrier cuff is defined by a part of said backsheet that extends outward from a longitudinally opposite end portion of said article in the second direction and is folded back along said longitudinally opposite end portions toward an outer surface of said topsheet.