Absorbent article and method for making the same

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) A61F 13/472 (2006.01) A61F 13/511 (2006.01)

Patent

CA 2707564

The present invention aims to provide an absorbent article adapted to maintain a desired flexibility of the topsheet and to prevent the article from becoming glossy. A sanitary napkin 1 comprises a topsheet 2 defining an inner side facing the wearer's skin, an outer side facing the wearer's garment, a liquid-absorbent structure 4 interposed between these top- and backsheets 2, 3, and a cushion sheet interposed between the liquid-absorbent structure 4 and the topsheet 2. The topsheet 2 is formed with a plurality of pores 6 assuring liquid-pervious property thereof. The pores 6 are distributed over an entire area of the topsheet 2 and extending through the topsheet 2 in its thickness direction. The topsheet 2 is debossed to form a plurality of concavities 13 directed toward the side of the cushion sheet 5. The concavities 13 respectively have substantially circular shapes and are distributed over an entire area of the topsheet 2 substantially at regular intervals debossing to form the concavities 13 is carried out at a temperature lower than a fusion point of the topsheet 2.

L'invention a pour objet de proposer un article absorbant qui conserve la souplesse de la feuille de face avant et qui n'est pas brillant. L'invention porte sur une serviette hygiénique (1) qui comprend une feuille de face avant (2) formant la face interne du côté corps, une feuille de face arrière (3) formant la face externe du côté vêtement, une structure absorbant les liquides (4) formée entre ces faces avant et arrière (2, 3), et une feuille de coussin (5) formée entre la structure absorbant les liquides (4) et la feuille de face avant (2). La feuille de face avant (2) comporte de multiples trous (6) qui sont formés pour garantir une perméabilité aux liquides. Ces trous (6) sont formés sur toute la feuille de face avant (2) et pénètrent la feuille de face avant (2) dans la direction de l'épaisseur. La feuille de face avant (2) comporte de multiples sommets (13) en direction du côté feuille de coussin (5) qui sont formés par un traitement de moulage. Les sommets (13), qui ont pratiquement une forme ronde, sont formés à des intervalles pratiquement constants sur toute la feuille de face avant (2). Le traitement de moulage permettant de former les sommets (13) est exécuté à une température inférieure à celle du point de fusion de la feuille de face avant (2).

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