Stable web having enhanced extensibility and method for making s

Details Stable web having enhanced extensibility and method for making s Stable web having enhanced extensibility and method for making s

1999-05-10

2000-09-05

Copenheaver, Blaine

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Nonwoven fabric with a preformed polymeric film or sheet

442400, 442401, B32B 2712

Patent

active

061142638

ABSTRACT:
The present invention provides a stable nonwoven web having enhanced extensibility and a method for making the same. 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. The necked nonwoven web is then subjected to mechanical stabilization to provide a stabilized extensible necked nonwoven web. The stabilized extensible necked nonwoven web is easily extended in a direction parallel to the direction necking.

REFERENCES:
patent: 4981747 (1991-01-01), Morman
patent: 5167897 (1992-12-01), Weber et al.
patent: 5244482 (1993-09-01), Hassenboehler, Jr. et al.
patent: 5336545 (1994-08-01), Morman
patent: 5628741 (1997-05-01), Buell et al.
patent: 5789065 (1998-08-01), Haffner et al.

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