Multi-ply absorbent sheet of cellulosic fibers

A multi-ply absorbent sheet of cellulosic fiber includes continuous outer surfaces, and an absorbent core between the outer surfaces. The absorbent core includes a non-woven fiber network comprising a plurality of pileated fiber enriched regions of a relatively high local basis weight interconnected...

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Bibliographische Detailangaben
Hauptverfasser:	EDWARDS STEVEN L, REEB RONALD R, CHOU HUNG LIANG, YEH KANG CHANG, MCCULLOUGH STEPHEN J, HARPER FRANK D, DWIGGINS JOHN H, SUPER GUY H
Format:	Patent
Sprache:	eng
Schlagworte:	GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	A multi-ply absorbent sheet of cellulosic fiber includes continuous outer surfaces, and an absorbent core between the outer surfaces. The absorbent core includes a non-woven fiber network comprising a plurality of pileated fiber enriched regions of a relatively high local basis weight interconnected by way of a plurality of lower local basis weight linking regions whose fiber orientation is biased along the direction between pileated fiber enriched regions, interconnected thereby, and a plurality of fiber-deprived cellules between the fiber enriched regions and the linking regions, also being characterized by a local basis weight lower than that of the fiber enriched regions.