Process for producing high-bulk tissue webs using nonwoven...

Details Process for producing high-bulk tissue webs using nonwoven... Process for producing high-bulk tissue webs using nonwoven...

D - Textiles, Paper

21

F

D21F 11/00 (2006.01) D21F 7/08 (2006.01)

Patent

CA 2263215

The invention relates to a papermaking fabric and method of producing a soft, bulky tissue web in which an embryonic fiber web is wet-molded onto a three- dimensional substrate wherein the web-contacting surface of said substrate is a three-dimensional porous nonwoven material. The method can provide higher levels of bulk and surface depth in tissues than is practical with woven papermaking fabrics.

L'invention se rapporte à une toile de fabrication de papier et à un procédé de fabrication d'un voile souple de tissus gonflants, dans lequel un voile de carde embryonnaire est moulé en phase humide sur un substrat tridimensionnel. La face en contact avec le voile dudit substrat est un matériau non tissé poreux tridimensionnel. Ledit procédé permet d'obtenir un gonflant et une profondeur de surface dans des tissus tels que ne les trouve habituellement pas dans des toiles tissées de fabrication de papier.

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