Patent ID: 6926703

Claim:
A disposable diaper having a front waist region, a rear waist region and a crotch region extending between said front and rear waist regions, said diaper comprising: a liquid-absorbent core having an upper surface facing a wearer's skin and a lower surface facing away from the wearer's skin and extending over said crotch region and further into said front and rear waist regions; a liquid-pervious first sheet having an upper section covering said upper surface of said core and a lower section covering said lower surface of said core; and a liquid-impervious second sheet lying outside said lower section of said first sheet; said upper section of said first sheet extending upwardly, in a vicinity of a longitudinal center line bisecting a transverse dimension of said diaper, from said upper surface of said core so as to define a tubular liquid passage extending in a longitudinal direction along said longitudinal center line; and said tubular liquid passage extending at least from said front waist region toward said crotch region.