A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01)
Patent
CA 2403875
The present invention pertains to an apertured polymeric film web material provided with a multiplicity of substan-tially three dimensional surface structures and provided with a multiplicity of fluid transport apertures. In one embodiment, the fluid transport apertures are formed using a process that substantially preserves the integrity of the surface structures. Methods of produc-ing webs are also disclosed. The present invention also includes multi-ply composite structures formed using apertured polymeric film web materials and a sub-ply. The present invention also pertains to absorbent articles which preferably include a topsheet in accordance with the present invention, a backsheet secured to the topsheet, and an absorbent core positioned between the topsheet and the backsheet. Image
L'invention concerne un matériau de bande de film polymère à ouvertures, qui présente plusieurs structures de surface sensiblement tridimensionnelles ainsi que plusieurs ouvertures de transport de fluide. Dans l'un des modes de réalisation, les ouvertures de transport de fluide sont formées au moyen d'un procédé préservant sensiblement l'intégrité des structures de surface. Cette invention se rapporte également à des procédés de production de bandes et comprend des structures composites multicouche formées à partir de matériaux de bande de film polymère à ouvertures et d'une sous-couche. Elle porte enfin sur des articles absorbants comprenant, de préférence, une couche supérieure, une couche inférieure fixée à la couche supérieure, et un noyau absorbant positionné entre la couche supérieure et la couche inférieure.
Fereshtehkhou Saeed
Lee Yann-Per
Stone Keith J.
Mbm Intellectual Property Law Llp
The Procter & Gamble Company
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