D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 1/54 (2006.01) B29C 55/06 (2006.01) B29C 55/08 (2006.01) B29C 55/14 (2006.01) B29C 55/18 (2006.01) B32B 3/28 (2006.01) B32B 5/04 (2006.01) B32B 5/26 (2006.01) D04H 1/70 (2006.01) D04H 3/14 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2315687
The present invention provides a method for making a strong and soft nonwoven web. A neckable nonwoven web is fed in a first direction. The neckable nonwoven web is subjected to incremental stretching in a direction perpendicular to the first direction. A tensioning force is applied to the neckable nonwoven web to neck the nonwoven web. Optionally, the necked nonwoven web may be subjected to mechanical stabilization after necking to provide a stabilized extensible necked nonwoven web. The nonwoven web is then subjected to incremental stretching in a direction perpendicular to the first direction to provide a strong and soft nonwoven web.
La présente invention concerne un procédé de fabrication d'une bande continue non tissée souple et solide. On alimente une bande continue non tissée compactable dans une première direction. On soumet cette bande continue non tissée compactable à un étirement supplémentaire dans une direction perpendiculaire à la première direction. On applique une force de tension à la bande continue non tissée compactable afin de compacter la bande continue non tissée. Eventuellement, on peut soumettre la bande continue non tissée compactée à une stabilisation mécanique après compactage, afin d'obtenir une bande continue non tissée compactée, extensible et stabilisée. On soumet ensuite la bande continue non tissée à un étirement supplémentaire dans une direction perpendiculaire à la première direction, afin d'obtenir une bande continue non tissée souple et solide.
Benson Douglas Herrin
Curro John Joseph
Sim & Mcburney
The Procter & Gamble Company
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