Stretchable multiple-component nonwoven fabrics and methods...

Textiles: manufacturing – Textile product fabrication or treatment – Of thread interlaced article or fabric

Reexamination Certificate

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Details

C264S168000, C264S155000, C442S352000, C442S361000, C428S369000, C428S371000, C428S373000

Reexamination Certificate

active

07036197

ABSTRACT:
A method for preparing stretchable bonded nonwoven fabrics which involves forming a substantially nonbonded nonwoven web of multiple-component continuous filaments or staple fibers which are capable of developing three-dimensional spiral crimp, activating the spiral crimp by heating substantially nonbonded web under free shrinkage conditions during which the nonwoven remains substantially nonbonded, followed by bonding the crimped nonwoven web using an array of discrete mechanical, chemical, or thermal bonds. Nonwoven fabrics prepared according to the method of the current invention have an improved combination of stretch-recovery properties, textile hand and drape compared to multiple-component nonwoven fabrics known in the art.

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