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Patents

Absorbent Article with Improved Channeled Core and Method of Making

U.S. Patent No. 12,667,499

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Ainas Weber, Bad Neuenahr-Ahrweiler, Germany; and Alissa Idelson, Rheinbach, Germany.

Assigned to Ontex BV, Buggenhout, Belgium; and Ontex Group NV, Erembodegem, Belgium.

Filed: 6/1/21
Issued: 6/30/26

An absorbent article (1) comprising: a liquid permeable topsheet (2), a liquid impermeable backsheet (3), and an absorbent core (4) positioned between said topsheet (2) and backsheet (3), wherein the absorbent core (4) comprises an absorbent material (5), said absorbent material comprising cellulose fibers and/or superabsorbent polymers, and wherein said absorbent material is contained within at least one core wrap substrate (6) enclosing said absorbent material, and wherein a top layer (7) of said core wrap is adhered to a bottom layer (8) of said core wrap by a first adhesive (11) to form one or more channel forming areas (10) substantially free of said absorbent material, characterized in that said top layer (7) comprises said first adhesive (11) arranged to define a first adhesive area (A1) and said bottom layer (8) comprises a second adhesive (12) arranged to define a second area (A2), wherein said first adhesive area (A1) is greater than said second adhesive area (A2), and in that said first and second adhesive areas (A1, A2) comprise one or more adhesive stripes, wherein at least one of said adhesive stripes of the first adhesive area (A1) overlaps said channel forming areas (10), and wherein the second adhesive area (A2) comprises at least two spaced apart stripes of adhesive positioned outboard and/or inboard of the channel forming areas (10).  

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