Method of producing a nonwoven fabric from filaments

Details Method of producing a nonwoven fabric from filaments Method of producing a nonwoven fabric from filaments

2008-01-14

2010-12-21

Aftergut, Jeff H (Department: 1746)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S167000, C156S181000, C028S104000

Reexamination Certificate

active

07854816

ABSTRACT:
A laminate is made by first treating two spun-bond webs formed of endless thermoplastic synthetic-resin filaments with wetting agents. Then a layer of hydrophilic fibers is applied to one of the treated spun-bond webs and then the other of the treated spun-bond webs is applied to the layer of hydrophilic fibers on the one treated spun-bond web. Finally the two treated spun-bond webs and the layer of hydrophilic fibers between them are hydrodynamically consolidated together.

REFERENCES:
patent: 3485706 (1969-12-01), Evans
patent: 6903034 (2005-06-01), Putnam et al.
patent: 2002/0168910 (2002-11-01), Vuillaume et al.

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