Composite nonwoven elastic web

Details Composite nonwoven elastic web Composite nonwoven elastic web

1985-07-30

1987-04-14

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

156163, 156164, 428137, 428161, 428166, 428138, 428284, 428226, 428287, 428296, 428298, 428299, 428903, 428913, 604358, 604365, B32B 3100

Patent

active

046578021

ABSTRACT:
A process for producing a composite nonwoven elastic web including a nonwoven elastic web joined to a fibrous nonwoven gathered web is disclosed. The process includes the steps of (a) providing a nonwoven elastic web having a relaxed unbiased length and a stretched, biased length; (b) stretching the nonwoven elastic web to its stretched, biased length; (c) forming a fibrous nonwoven gatherable web directly upon a surface of the nonwoven elastic web while maintaining the nonwoven elastic web at its stretched, biased length; (d) forming a composite nonwoven elastic web by joining the fibrous nonwoven gatherable web to the nonwoven elastic web while continuing to maintain the nonwoven elastic web at its stretched length; and (e) relaxing the nonwoven elastic web to its relaxed length to gather the fibrous nonwoven gatherable web. In some embodiments, joining of the fibrous nonwoven gatherable web to the nonwoven elastic web occurs simultaneously with formation of the gatherable web on the surface of the elastic web. The composite elastic web formed by the disclosed process is also disclosed and described.

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