Process for making necked nonwoven webs having improved...

Details Process for making necked nonwoven webs having improved... Process for making necked nonwoven webs having improved...

2005-12-15

2010-06-22

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

C264S284000, C264S286000, C264S289300, C264S289600, C264S290200, C264S290700, C264S288400, C425S303000, C425S336000, C425S369000

Reexamination Certificate

active

07740786

ABSTRACT:
Necked nonwoven webs having improved cross-directional uniformity are made by a process which includes the step (prior to neck stretching) of corrugating the nonwoven web to reduce its width from an initial width A to a reduced corrugated width B. The cross-directional uniformity is optimized as the corrugated width B approaches the ultimate width C of the necked nonwoven web.

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