Trisection sanitary napkin

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) A61F 13/56 (2006.01)

Patent

CA 2183238

A sanitary napkin hav- ing an absorbent core with three longitudinally oriented trisections, a central trisection flanked by two outboard tri- sections. The absorbent core is formed of a single layer of tissue. The single layer of tissue is folded on itself to provide a two-ply thickness at each of the outboard trisec- tions and a single thickness at the central trisection. The two plies of the outboard trisec- tions are preferably adhered together. Absorbent gelling materials are disposed in each of the outboard trisections. The central trisection is substantially free of absorbent gelling materials. The sanitary napkin also preferably comprises a secondary topsheet intermediate the topsheet and the absorbent core. The secondary topsheet is also substantially free of absorbent gelling materials.

Une serviette hygiénique comprend une partie centrale absorbante pourvue de trois sections orientées longitudinalement, à savoir une section centrale entourée de deux sections extérieures. La partie centrale absorbante est formée d'une couche unique de tissu. La couche unique de tissu est pliée sur elle-même afin de former une épaisseur double au niveau de chacune des sections extérieures et une épaisseur unique au niveau de la section centrale. Les deux plis des sections extérieures sont de préférence collés ensemble. Des matériaux gélifiants absorbants sont placés dans chacune des sections extérieures. La section centrale est pratiquement exempte de matériaux gélifiants absorbants. De préférence, la serviette hygiénique comprend également une feuille supérieure secondaire placée entre la feuille supérieure et la partie centrale absorbante. La feuille supérieure secondaire est également pratiquement exempte de matériaux gélifiants absorbants.

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