A method of forming a disposable hygiene product includes providing a manufacturing line (10) having a back sheet station (12), a core layer station (14) and a top sheet station (16) connected by a conveying system (18), providing a back sheet (20) at the back sheet station, providing a core layer (22) at the core layer station, applying the core layer on the back sheet, providing a top sheet (24) at the top sheet station, and applying the top sheet on the back sheet and core layer. The back sheet station includes a fluid application device (28) configured to discharge a curtain of material to form a polymer film (201), and the back sheet includes the polymer film. A method of forming a back sheet of disposable hygiene product includes positioning a back sheet station in a disposable hygiene product manufacturing line, the back sheet station having a fluid application device and discharging, from the fluid application device, a curtain of material to form a polymer film. A disposable hygiene product manufacturing line includes a back sheet station having a fluid application device configured to discharge a curtain of material to form a polymer film.L'invention concerne un procédé de formation d'un produit hygiénique jetable comprenant la fourniture d'une ligne de fabrication (10) ayant une station de feuille arrière (12), une station de couche centrale (14) et une station de feuille supérieure (16) reliées par un système de transport (18), la fourniture d'une feuille arrière (20) au niveau de la station de feuille arrière, la fourniture d'une couche centrale (22) au niveau de la station de couche centrale, l'application de la couche centrale sur la feuille arrière, la fourniture d'une feuille supérieure (24) au niveau de la station de feuille supérieure, et l'application de la feuille supérieure sur la feuille arrière et la couche centrale. La station de feuille arrière comprend un dispositif d'application (28) de fluide configuré pour distribuer un voile de matéria
