Disposable absorbent article having a decoupled, randomly...

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01)

Patent

CA 2259445

This invention is a disposable absorbent article (20) which is substantially flat prior to use for wearing adjacent a body discharge area, having a body facing surface and a garment facing surface. The disposable absorbent article (20) includes a liquid pervious topsheet (24), a backsheet (26), and an absorbent core (28) intermediate the topsheet and the backsheet. The absorbent core (28) has a body facing surface and a garment facing surface, and has an expanding layer (46) for expanding the article into a tridimensional structure while being worn by a user. The expanding layer (46) includes a number of smaller expanding elements (50) that are activated by body fluids, are de- coupled from one another, and are capable of expanding substantially in only one direction upon activation by body fluids.

Cette invention est un article absorbant jetable (20) sensiblement plat avant son utilisation et destiné à être porté à proximité d'une partie émonctoire du corps, présentant une surface faisant face au corps et une surface faisant face à un vêtement. L'article absorbant jetable (20) comprend une feuille supérieure (24) perméable aux liquides, une feuille de support (26) et une âme absorbante (28) située entre la feuille supérieure et la feuille de support. L'âme absorbante (28) présente une surface faisant face au corps et une surface faisant face à un vêtement, elle présente une couche dilatable (46) destinée à dilater l'article en une structure tridimensionnelle lorsqu'il est porté par l'utilisateur. La couche dilatable (46) comprend un certain nombre de petits éléments dilatables (50) activés par les liquides biologiques, découplés les uns des autres et capables de se dilater sensiblement dans une seule direction lors d'une activation par des liquides biologiques.

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