Disposable diaper

A - Human Necessities – 61 – F

Patent

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Details

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

Patent

CA 2247579

A disposable diaper includes a liquid-permeable topsheet, a liquid-impermeable backsheet and an absorbent core disposed therebetween. The core has its transversely opposite side edges curved inwardly of the core. Portions of the topsheet and the backsheet extending outward beyond the side edges of the core are put flat and bonded together. Such extensions are folded inwardly of the diaper along straight folding lines extending longitudinally outside the respective curved side edges of the core so as to form a pair of leak-proofing cuffs. First and second elastically stretchable/contractile members are bonded under appropriate tension to the respective leak-proofing cuffs along its inner side edges and the straight folding lines.

Couche jetable comprenant une feuille supérieure perméable, une feuille arrière imperméable et une feuille intermédiaire absorbante. Cette dernière présente des rebords latéraux opposés transversalement qui décrivent une courbe orientée vers l'intérieur de la feuille intermédiaire. Des parties de la feuille supérieure et de la feuille arrière se prolongeant au-delà des rebords latéraux de la feuille intermédiaire sont aplaties et liées. Ces prolongements sont repliés vers l'intérieur de la couche le long de lignes de pliage droites se prolongeant longitudinalement vers l'extérieur des rebords latéraux courbés respectifs de manière à former des bordures antifuite. Un premier et un second éléments élastiques/contractiles sont reliés sous une tension appropriée aux bordures antifuite respectives le long des rebords latéraux intérieurs et des lignes de plage droites.

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