A pant-type absorbent article and a method for producing...

A - Human Necessities – 61 – F

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Details

A61F 13/496 (2006.01) A61F 13/49 (2006.01) B32B 27/00 (2006.01)

Patent

CA 2650268

The invention concerns a method for producing pant-type absorbent articles each article (21 ) including a chassis structure having at least one elastic panel and an integrated absorbent core component (32), the method including a continuous pant-forming process comprising forming the chassis structure and incorporating the absorbent core component (32) into the chassis structure. The at least one elastic panel is formed by a) separately producing a two-layer laminate (8) comprising a first non- elastic fibrous nonwoven web (1 ) and an elastic film (6), b) activating the two-layer laminate (8) by incremental stretching in at least one direction to render the two-layer laminate (8) elastically stretchable, c) stretching the activated two-layer laminate (8) by 10-200% in at least one direction, d) introducing the two-layer laminate (24,25) in the pant-forming process, and e) laminating the elastic film (6) of the stretched two-layer laminate (24,25) to an elastic or nonwoven chassis component (39,40, 23, 54). The invention also relates to an absorbent pant-type article produced in accordance with the method.

La présente invention concerne un procédé de production d'articles absorbants de type culotte, chaque article (21) comprenant une structure-support formée au moins d'un panneau élastique et d'un élément de noyau absorbant intégré (32), ledit procédé consistant à former de manière continue la structure-support et à intégrer l'élément de noyau absorbant (32) à la structure. Le panneau élastique est obtenu par : a) production distincte d'un stratifié à deux couches (8) comprenant une première bande non tissée fibreuse et non élastique (1) et un film élastique (6), b) activation du stratifié à deux couches (8) par étirement progressif dans au moins une direction de sorte à rendre ledit stratifié (8) étirable élastiquement, c) étirement du stratifié à deux couches activé (8) de 10 à 200 % dans au moins une direction, d) mise en AEuvre du statifié à deux couches (24, 25) dans le procédé de fabrication de culotte, et e) stratification du film élastique (6) du stratifié étiré (24, 25) sur un élément-support non tissé ou élastique (39, 40, 23, 54). La présente invention concerne également un article absorbant de type culotte produit selon le procédé décrit.

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