EP 3103920 A1 20161214 - FABRIC CREPED ABSORBENT SHEET WITH VARIABLE LOCAL BASIS WEIGHT
Title (en)
FABRIC CREPED ABSORBENT SHEET WITH VARIABLE LOCAL BASIS WEIGHT
Title (de)
SAUGFÄHIGES GEKREPPTES STOFFBLATT MIT VARIABLEM, LOKALEM FLÄCHENGEWICHT
Title (fr)
FEUILLE DE TISSU ABSORBANT CRÊPÉ AYANT UN POIDS DE BASE LOCAL VARIABLE
Publication
Application
Priority
- US 80886306 P 20060526
- US 45111106 A 20060612
- EP 14001776 A 20070516
- EP 07795053 A 20070516
- US 2007011967 W 20070516
Abstract (en)
A method of making a fabric-creped absorbent cellulosic sheet, the method comprising: compactively dewatering a papermaking furnish to form a nascent web having an apparently random distribution of papermaking fiber orientation; applying the dewatered web having the apparently random distribution of papermaking fiber orientation to a translating transfer surface that is moving at a transfer surface speed; fabric-creping the web from the transfer surface at a consistency of from about 30% to about 60% utilizing a creping fabric, the fabric-creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric, wherein the creping fabric is traveling at a fabric speed that is slower than the transfer surface speed; applying the web to a Yankee dryer; creping the web from the Yankee dryer; and winding the web on a reel, wherein the fabric pattern, nip parameters, velocity delta, and web consistency and composition are selected such that: the web is creped from the transfer surface and redistributed on the creping fabric to form a web with a local basis weight variation, the web including at least (i) a plurality of fiber-enriched regions of a relatively high local basis weight, and (ii) a plurality of elongated regions having a relatively low local basis weight and being generally oriented along the machine direction (MD) of the sheet; and the process exhibits a Caliper Gain/% Reel Crepe ratio of at least 1.5.
IPC 8 full level
D21H 17/24 (2006.01); B31F 1/07 (2006.01); B31F 1/12 (2006.01); D21H 17/52 (2006.01); D21H 17/55 (2006.01); D21H 21/20 (2006.01)
CPC (source: EP)
D21F 11/14 (2013.01); D21F 11/145 (2013.01); D21H 27/008 (2013.01); D21H 25/005 (2013.01); D21H 27/005 (2013.01); D21H 27/02 (2013.01)
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Citation (search report)
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Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007139726 A1 20071206; CA 2652814 A1 20071206; CA 2652814 C 20170228; CY 1118108 T1 20170628; CY 1119329 T1 20180214; DK 2792789 T3 20171016; EP 2035220 A1 20090318; EP 2035220 A4 20120801; EP 2035220 B1 20140625; EP 2792789 A1 20141022; EP 2792789 B1 20170830; EP 2792790 A1 20141022; EP 2792790 B1 20160921; EP 3103920 A1 20161214; EP 3103920 B1 20190710; PL 2035220 T3 20140930; PL 2792789 T3 20171229; PL 3103920 T3 20191129; RU 2008151711 A 20100710; RU 2419546 C2 20110527; SI 2792789 T1 20171130; SI 2792790 T1 20170131
DOCDB simple family (application)
US 2007011967 W 20070516; CA 2652814 A 20070516; CY 161101046 T 20161019; CY 171101009 T 20170926; DK 14001775 T 20070516; EP 07795053 A 20070516; EP 14001775 A 20070516; EP 14001776 A 20070516; EP 16181988 A 20070516; PL 07795053 T 20070516; PL 14001775 T 20070516; PL 16181988 T 20070516; RU 2008151711 A 20070516; SI 200731848 A 20070516; SI 200731966 T 20070516