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

A - Human Necessities – 61 – F

Patent

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Details

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

Patent

CA 2650814

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 35-200% 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 fabrication d'articles absorbants de type culotte, chaque article (21) comprenant une structure formant châssis présentant au moins un panneau élastique et un composant central absorbant intégré (32), le procédé comprenant une procédure de formation de culotte en continu comprenant les étapes consistant à former la structure formant châssis et à intégrer le composant central absorbant (32) dans la structure formant châssis. Le au moins un panneau élastique est formé a) en produisant séparément un stratifié double couche (8) comprenant un premier voile non-tissé fibreux non élastique (1) et un film élastique (6), b) en activant le stratifié double couche (8) par extension incrémentielle dans au moins une direction pour rendre le stratifié double couche (8) étirable de manière élastique, c) en étirant le stratifié double couche activé (8) de 35 à 200 % dans au moins une direction, d) en introduisant le stratifié double couche (24, 25) dans la procédure de formation de culotte, et e) en laminant le film élastique (6) du stratifié double couche étiré (24, 25) pour obtenir un composant de châssis élastique ou non-tissé (39, 40, 23, 54). L'invention concerne également un article absorbant de type culotte fabriqué selon le procédé.

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