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    Patents

    Absorbent Core with Curved Channel-Forming Areas:

    U.S. Patent No. 9,968,497

    07.06.18
    Hans Adolf Jackels, Mechernich, Germany.
    Assigned to Procter & Gamble, Cincinnati, OH.

    Filed: 5/5/15
    Issued: 5/15/18

    A substantially planar absorbent core comprising a core wrap enclosing an absorbent material, the absorbent core having a longitudinal axis and comprising a front region, a back region and a middle region, each region having an equal length along the longitudinal axis, wherein the absorbent material is substantially free of cellulose fibers and forms a pattern of absorbent material areas, the core further comprising at least a pair of curved longitudinally-extending channel-forming areas substantially free of absorbent material, through each of which the top side of the core wrap is attached to the bottom side of the core wrap along a core wrap bond, so that when the absorbent material areas adjacent the channel-forming areas absorb a fluid and swells, three-dimensional channels are formed along each core wrap bond, wherein these channel-forming areas are disposed on opposite sides of the longitudinal axis, wherein each of said longitudinally-extending channel-forming areas are longitudinally flanked internally by a first flanking absorbent material area and externally by a second flanking absorbent material area, the first and second flanking absorbent material areas following the curvature of the channel-forming area.  n
    Related Searches
    • cellulose
    • fibers
    • absorbent
    • core
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    • Green/Sustainability
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    • Stackable Sanitary Pads:

      U.S. Patent No. 9,980,856
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    • Absorbent Article Having Enhanced Leakage Protection:

      U.S. Patent No. 9,968,494
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    • Methods and Apparatus for Moving and/or Transferring Multiple Discrete Articles:

      U.S. Patent No. 9,968,493
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