×

Disposable body fluid absorbent article having longitudinal side groove

  • US 6,867,345 B2
  • Filed: 12/10/1999
  • Issued: 03/15/2005
  • Est. Priority Date: 12/11/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. An absorbent article, comprising:

  • a liquid-permeable topsheet; and

    a liquid-absorbent core having an upper surface covered by said topsheet and a lower surface, said core further having indented regions arranged along two lines extending longitudinally along transversely opposite sides of said core, said lines being spaced apart from each other by a distance gradually increasing from a minimum at a longitudinally middle point thereof to a maximum at longitudinally opposite ends thereof, the lines longitudinally dividing said core into a central region confined between the lines and two side regions each located between one of the lines and the respective one of the transversely opposite sides of said core;

    wherein said core comprises a plurality of indentations arranged along said lines, each of said indentations having side walls extending from an opening formed on the upper surface toward the lower surface and ending at a bottom, a portion of said core confined between said bottom and said lower surface defining one of the indented regions; and

    said core contains a fibrous component in said indented, central and side regions, and a density of the fibrous component in the indented regions is lower than in the central and side regions.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×