Absorbent article with absorbent core, including regions of lower density
Patent #: 8,153,856 B2
Inventor(s): Leif Wallström, Göteborg, Sweden; Camilla Elfsberg, Torslanda, Sweden; and Solgun Drevik, Mölnlycke, Sweden
Company: SCA Hygiene Products AB, Gothenburg, Sweden
SCA researchers have patented an absorbent article comprising transverse and longitudinal directions; said article also having front, crotch and rear portions. The article comprising an absorbent core of unitary construction, said absorbent core being defined by a pair of opposing longitudinal edges and a pair of opposing transverse edges, said absorbent core having at least a first region and a second region, an average density of the absorbent core in these first and second regions being lower than an average density of the absorbent core surrounding said first and second regions, said first and second lower density regions being arranged symmetrically about a longitudinal center line of the article and extending to the respective longitudinal edges of the absorbent core, a distance between said first and second lower density regions in the transverse direction varying along the longitudinal direction of the article, and a minimum distance between said first and second lower density regions in the transverse direction is located at least in a transition between the crotch portion and the front portion of the article, wherein a region having the average density of the absorbent core is disposed along an entire distance of a transverse line connecting the first and second lower density regions.
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