Method of making a stabilized extensible nonwoven web

Details Method of making a stabilized extensible nonwoven web Method of making a stabilized extensible nonwoven web

1997-04-04

1999-06-22

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

156209, 156229, 2642902, B29C 5514, B29C 5904

Patent

active

059140844

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: 5226992 (1993-07-01), Morman
patent: 5244482 (1993-09-01), Hassenboehler, Jr. et al.
patent: 5320891 (1994-06-01), Levy et al.
patent: 5492753 (1996-02-01), Levy et al.

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