Disposable diaper

Details Disposable diaper Disposable diaper

A - Human Necessities

61

F

A61F 13/42 (2006.01)

Patent

CA 2205167

A disposable diaper includes a topsheet, a backsheet and an absorbent core therebetween. The backsheet is made of an air-permeable but liquid-impermeable plastic film having a surface thereof whitened by fine particles of an inorganic substance contained therein. An indicator 18 is provided between the backsheet and the absorbent core. The indicator includes a layer of printed ink adapted to be visually revealed when it is wetted with discharged urine and a masking region containing a surfactant disposed between the layer of printing ink and the backsheet so as to cover the layer of printed ink.

Couche jetable composée d'un feuillet avant et d'un feuillet arrière, séparés par un matériau central absorbant. Le feuillet arrière est fait d'une pellicule plastique perméable à l'air, mais imperméable au liquide, dont la surface a été blanchie par de fines particules d'une substance inorganique contenue dans la pellicule. Un indicateur 18, installé entre le feuillet arrière et le matériau absorbant, est composé d'une couche d'encre imprimée qui ressort dès qu'elle est mouillée par de l'urine, et d'une zone de masquage contenant un surfactant, placé entre la couche d'encre à imprimerie et le feuillet arrière de façon à couvrir la couche d'encre imprimée.

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