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Patents

Absorbent Article Including an Absorbent Core Layer Having a Material Free Zone and a Transfer Layer

U.S. Patent No. 8,952,212 B2

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

John Poccia, Monmouth Beach, NJ; Fernanda Wiermann Paques, São Paulo, Brazil; and Francisco J. V. Hernandez, São José dos Campos, Brazil. Assigned to McNeil-PPC, Inc., Skillman, NJ.
Filed: 12/15/11
Issued: 2/10/15
Patented is an absorbent article comprising: a longitudinally extending centerline; a transversely extending centerline; a liquid permeable cover layer having a body facing surface; a liquid impermeable barrier layer; an absorbent core arranged adjacent to the cover layer; the transfer layer including a planar portion having an upper surface and a lower surface and a plurality of protrusions extending upwardly from the upper surface; wherein the absorbent core includes an upper surface and a lower surface, the absorbent core comprising a plurality of beams and a plurality of material-free zones, each of the beams arranged in a spaced relationship to an adjacent beam and each of the beams being separated from an adjacent beam by a material-free zone, each of the material-free zones extending from the upper surface to the lower surface; wherein the cover layer includes a plurality of first regions arranged in spaced relationship to the transfer layer and a plurality of second regions, each of the second regions located between two adjacent beams and arranged in surface to surface contact with the transfer layer; wherein each one of the plurality of protrusions is structured and arranged to be received within, and extend upwardly into one of the plurality of material free zones; and wherein each protrusion has a height that is greater than a distance between the upper surface of the absorbent core and the lower surface of the absorbent core.

 

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