A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/16 (2006.01) A61F 13/15 (2006.01) D01D 5/253 (2006.01) D21H 15/04 (2006.01) A61F 13/56 (2006.01)
Patent
CA 2113416
Curled, twisted cellulosic fibers are reduced in size by mechanical means, i.e., by refining. The refined fibers are formed into sheets which are used as an absorbent layer in diapers, bandages and, especially, in sanitary napkins. In one mode, the refined fibers can be used to provide shaped sanitary devices. In an optional mode, fibers having intra-fiber capillary channels can be used to direct fluids into absorbent sheets comprising the refined, curled cellulosic fibers.
La présente invention permet de réduire la dimension de fibres cellulosiques tordues et ondulées par un moyen mécanique comme le raffinement. Les fibres raffinées sont mises en feuilles servant de couche absorbante dans des couches, des pansements et, surtout, dans des serviettes sanitaires. Dans une version, les fibres raffinées peuvent servir à la fabrication de produits sanitaires formés. Dans une version facultative, les fibres ayant des passages capillaires internes peuvent servir à diriger les fluides dans des couches absorbantes constituées des fibres cellulosiques ondulées raffinées.
Buenger Daniel E.
Hammons John L.
Horney James C.
Sim & Mcburney
The Procter & Gamble Company
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