A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/537 (2006.01) A61F 13/15 (2006.01) A61F 13/514 (2006.01)
Patent
CA 2408524
Disclosed is a unitary absorbent core having a basis weight of about 75 grams per square meter or greater, including a fibrous absorbent layer having an upper fluid receiving surface and a lower surface with a hydrophobic vapor- transmissive moisture barrier integral with the lower surface of the absorbent layer. Also disclosed is a process for the production of the unitary absorbent core, including the steps of (a) producing a fibrous absorbent layer having upper and lower surfaces, and (b) applying to the lower surface of the fibrous absorbent layer a hydrophobic material which at least partially coats at least some of the fibers of the lower surface of the absorbent layer.
L'invention porte sur une structure absorbante d'une pièce d'un poids de base de 75 g/m?2 ¿ou plus comportant une couche absorbante de fibres comportant une surface supérieure réceptrice de fluide et une surface inférieure constituant une barrière hydrophobe transmettant la vapeur solidaire de la surface inférieure de la couche absorbante. L'invention porte également sur le procédé de fabrication de ladite structure consistant: (a) à réaliser une couche absorbante de fibres présentant une surface supérieure et une surface inférieure, et (b) à appliquer sur ladite surface inférieure un matériau hydrophobe en revêtant au moins partiellement certaines des fibres.
Baker John Perry
Boehmer Brian E.
Erspamer John P.
Wu David W.
Bki Holding Corporation
Goudreau Gage Dubuc
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