A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01)
Patent
CA 2365036
The present invention relates to resilient, three dimensional, perforated plastic webs which allow passage of water vapour, and preferably of air, but are resistant to the transmission of aqueous fluids at least in one direction. According to the present invention the perforated plastic webs consist of a liquid impervious polymeric film comprising apertures which form capillaries having a length which is at least twice if compared to the dimension of the respective aperture in the polymeric film surface. The present invention also relates to absorbent articles like baby diapers, adult incontinence articles and in particular to sanitary napkins or pantiliners which have a topsheet on the surface facing the wearer in use. According to the present invention the articles are provided also with an apertured backsheet, preferably for breathability. The backsheet comprises at least one layer of a resilient, three dimensional, perforated plastic web as described above.
La présente invention concerne des bandes plastiques perforées souples, tridimensionnelles, qui laissent passer la vapeur d'eau et, de préférence, l'air, mais bloquent les fluides au moins dans un sens. Ces bandes plastiques perforées sont constituées d'un film polymère imperméable aux liquides muni de perforations capillaires dont la longueur est au moins le double de celle de perforations correspondantes pratiquées à la surface du film polymère. L'invention concerne également des articles absorbants, tels que des couches pour bébés ou des articles pour adultes incontinents et, notamment, des serviettes hgiéniques ou protège-slips comportant une couche supérieure sur la surface tournée vers l'usager, pendant l'utilisation. Selon l'invention, ces articles sont également munis d'une couche de support utilisé, de préférence, pour sa respirabilité. La couche de support comprend au moins une couche constituée de la bande plastique perforée souple, tridimensionnelle, de l'invention.
Carlucci Giovanni
Cimini Carmine
D'incecco Amedeo Franco
Marinelli Luigi
Veglio Paolo
Sim & Mcburney
The Procter & Gamble Company
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