Kimberly-clark Worldwide, Inc.

Jose Enrique Maldonado

Kurtis Lee Brown

Jeffrey David Shelley

John Herbert Conrad

Robert James Gerndt

Braulio Arturo Polanco

Edward Jason White

Richard Daniel Pike

Michael Charles Cook

A method for producing a material having z-direction waves in which a layer of continuous fibers is conveyed on a first moving surface into a nip formed by the first moving surface and a second moving surface which is traveling at a slower speed than the first moving surface, resulting in formation of a plurality of z-direction loops in the fibers giving loft to the material and a wave pattern producing ridges on both major surfaces of the resultant nonwoven web. The method permits easy real time alignment of manufacturing parameters to produce a variety of materials. The method further produces lofty nonwovens at a commercially viable rate.

Materials having z-direction fibers and folds and method for producing same

Robust homofilament fibers are meltspun from a differently shaped dual capillary spinneret design to induce differential fiber morphology to produce crimping. Crimping may further be aided by quenching and drawing of the fibers.

Dual capillary spinneret for production of homofilament crimp fibers

A method for producing a material having z-direction ridges or folds in which a layer of continuous fibers is conveyed on a first moving surface into a nip formed by the first moving surface and a second moving surface which is traveling at a slower speed than the first moving surface, resulting in formation of a plurality of z-direction loops in the fibers giving loft to the material and a wave pattern producing ridges on both major surfaces of the resultant nonwoven web. The method permits easy real time adjustment of manufacturing parameters to produce a variety of materials. The method further produces lofty nonwovens at a commercially viable rate.

Method for producing materials having z-direction fibers and folds

Robust round homofilament fibers are meltspun from a spinneret having two conjoined capillaries of different length to diameter ratio to induce differential shear to produce fiber crimping. Crimping may further be aided by quenching of the fibers.

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Canton, GA, United States of America

Jose Enrique Maldonado