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Disposable diaper with tubular liquid-distributing passage

  • US 6,926,703 B2
  • Filed: 01/15/2004
  • Issued: 08/09/2005
  • Est. Priority Date: 01/17/2003
  • Status: Expired due to Fees
First Claim
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1. 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.

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