Absorbent article capable of self-shaping in use

Details Absorbent article capable of self-shaping in use Absorbent article capable of self-shaping in use

A - Human Necessities

61

F

A61F 13/15 (2006.01)

Patent

CA 2267529

This invention is a disposable absorbent article (20) which is substantially flat prior to use for wearing adjacent a body discharge area having a longitudinal centerline (0-0) and a lateral centerline (A-A) orthogonal thereto and defining longitudinal and lateral directions respectively. The disposable absorbent article (20) includes a liquid pervious topsheet (24), a backsheet (26) joined to said topsheet (24) and an absorbent core (28) intermdiate the backsheet (26) and the topsheet (24). The absorbent core (28) includes an expanding layer (46) for expanding the article into a tridimensional structure while being worn by a user. The expanding layer (46) is activated by body fluids and has a constant thickness in the dry state prior to use. The expanding layer (46) is capable, upon full activation by body fluids, of expanding into a predetermined profile of non-constant thickness.

Article (20) absorbant jetable sensiblement plat avant l'utilisation, destiné à être porté à proximité d'une zone anatomique d'écoulement, présentant une médiane longitudinale (0-0) et une médiane transversale (A-A) perpendiculaire à la médiane longitudinale, définissant respectivement un sens longitudinal et un sens transversal. L'article (20) absorbant jetable est composé d'une feuille supérieure (24) perméable aux liquides, d'une feuille support (26) reliée à la feuille supérieure (24) et d'une garniture intermédiaire (28) absorbante située entre la feuille support (26) et la feuille supérieure (24). La garniture absorbante (28) comporte une couche gonflante (46) qui fait gonfler l'article en une structure tridimensionnelle quand il est porté par un utilisateur. La couche gonflante (46) est activée par des fluides physiologiques et présente une épaisseur constante à l'état sec, avant utilisation. La couche gonflante (46) est capable, sous l'action complète de fluides physiologiques, de prendre un profil déterminé d'épaisseur non constante.

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