Absorbent article having a breathable backsheet

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) B32B 27/12 (2006.01)

Patent

CA 2282282

A disposable absorbent article (20) having a breathable laminate backsheet (26). The absorbent article (20) has a front waist region (46), a rear waist region (44), a crotch region (48) positioned between the front waist region (46) and the rear waist region (44), a pair of opposed side edges (50), a first end edge (52) and a second end edge (52). The absorbent article (20) includes an absorbent core (28) having a pair of opposing longitudinal edges (50), a garment-facing side (70) and a body-facing side (72), and a breathable laminate backsheet (26) disposed adjacent to the garment-facing side (70) of the absorbent core (28). The breathable laminate backsheet (26) has an inner layer (90) and an outer layer (92) joined to one another. The inner layer (90) is positioned between the absorbent core (28) and the outer layer (92). The outer layer (92) is relatively vapor pervious. The inner layer (90) is substantially liquid impermeable and substantially vapor pervious. The inner layer (90) is longitudinally coterminous with the absorbent article (20) and of a smaller transverse width than the front waist region (46), the rear waist region (44), and the crotch region (48) so as to form a breathable zone (82) which is longitudinally coterminous with the absorbent article (20) and adjacent to each of the side edges.

Article absorbant jetable (20) comprenant une feuille de support laminée imper-respirante (26). Ledit article absorbant (20) présente une région frontale (46) enserrant la taille, une région arrière (44) enserrant la taille, une région bassin (48) positionnée entre la région frontale (46) et la région arrière (44), une paire de bords latéraux opposés (50), un premier bord (52) et un second bord (52). Ledit article absorbant (20) comprend un noyau absorbant (28) comprenant une paire de bords longitudinaux opposés (50), un côté (70) faisant face au vêtement et un côté (72) faisant face au corps, une feuille de support laminée imper-respirante (26) étant placée à proximité du côté (70) faisant face au vêtement du noyau absorbant (28). La feuille de support laminée imper-respirante (26) comporte des couche intérieure (90) et extérieure (92) assemblées l'une à l'autre. La couche intérieure (90) est positionnée entre le noyau absorbant (28) et la couche extérieure (92). La couche extérieure (92) est relativement perméable à la vapeur. La couche interne (90) est sensiblement imperméable aux liquides et sensiblement perméable à la vapeur. La couche intérieure (90) jouxte dans le sens longitudinal l'article absorbant (20) et présente une largeur transversale inférieure à celle de la région frontale (46) enserrant la taille, la région arrière (44) enserrant la taille et la région bassin (48) de sorte que soit formée une zone imper-respirante (82) qui jouxte dans le sens longitudinal l'article absorbant (20) et est adjacente à chaque bord latéral.

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