Sound absorbing secondary nonwoven carpet backing

Details Sound absorbing secondary nonwoven carpet backing Sound absorbing secondary nonwoven carpet backing

D - Textiles, Paper

04

H

D04H 5/00 (2006.01) B32B 27/02 (2006.01)

Patent

CA 2555266

The present invention is directed to methods of making a sound absorbing secondary carpet backing, and more particularly, to a method of manufacturing a nonwoven fabric exhibiting a durable three-dimensional image, permitting use of the fabric in secondary carpet backing systems so as to reduce deformation under normal use (walking), increase absorption of sound, and improve the amount of coverage provided to the secondary carpet backing system applications.

La présente invention concerne un procédé de fabrication d'un double dossier insonorisant en non-tissé, et plus particulièrement, faisant preuve d'un profil tridimensionnel durable, permettant l'utilisation de ce textile dans des systèmes de double dossier de façon à réduire la déformation en utilisation normale (piétinement), augmenter l'insonorisation, et étendre le domaine d'utilisation des systèmes de double dossier insonorisant.

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