EP 3250750 B1 20191113 - METHOD AND DEVICE FOR PRODUCING WET-LAID NON-WOVEN FABRICS
Title (en)
METHOD AND DEVICE FOR PRODUCING WET-LAID NON-WOVEN FABRICS
Title (de)
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON NASSGELEGTEN VLIESSTOFFEN
Title (fr)
PROCÉDÉ ET DISPOSITIF SERVANT À PRODUIRE DES NON-TISSÉS PAR VOIE HUMIDE
Publication
Application
Priority
- DE 102015001008 A 20150128
- EP 2016000138 W 20160127
Abstract (en)
[origin: WO2016120014A1] Method for producing wet-laid non-woven fabrics, with which an aqueous suspension comprising fibres is laid down on a screen and is dewatered using suction boxes under the screen to form a sheet of non-woven web which is removed from the screen and guided to at least one subsequent treatment unit before the non-woven web can be wound, and transferring of the non-woven web from the screen to the at least one subsequent treatment unit and/or transferring of the non-woven web to interfaces between treatment units on the start of production and/or after an interruption in production, using a web feed, wherein web is fed via a temporarily closed draw of a free draw between the screen and the at least one subsequent treatment unit and/or of a free draw at an interface between treatment units, and the respective temporarily closed draw is produced via air flows, which lift off an end feeding strip as part of the running non-woven web by blowing, adhere same to a transport path device by generating negative pressure and lift up same at the following treatment unit by suction.
IPC 8 full level
D21F 2/00 (2006.01); D04H 1/49 (2012.01); D21G 9/00 (2006.01)
CPC (source: CN EP US)
D04H 1/732 (2013.01 - CN EP US); D21F 1/48 (2013.01 - US); D21F 2/00 (2013.01 - CN EP US); D21G 9/0063 (2013.01 - CN EP US)
Citation (opposition)
Opponent : Voith Patent GmbH,
- US 3351521 A 19671107 - MURRAY MAURICE M, et al
- WO 2015000687 A1 20150108 - VOITH PATENT GMBH [DE]
- WO 2011157890 A1 20111222 - METSO PAPER INC [FI], et al
- DE 10318858 A1 20041125 - FRENZELIT WERKE GMBH & CO KG [DE]
- EP 0972873 A1 20000119 - UNI CHARM CORP [JP]
- DE 102004047518 A1 20060330 - VOITH PAPER PATENT GMBH [DE]
- DE 102007033395 A1 20090219 - VOITH PATENT GMBH [DE]
- EP 2288749 B1 20111130 - VOITH PATENT GMBH [DE]
- WO 2014023728 A1 20140213 - VOITH PATENT GMBH [DE]
- DE 10358155 A1 20050721 - REAL OYJ ESPOO M [FI]
- DE 19724123 A1 19981210 - VOITH SULZER PAPIERMASCH GMBH [DE]
- US 6235156 B1 20010522 - PULLINEN HANNU [FI], et al
- WO 03054295 A2 20030703 - KIMBERLY CLARK CO [US]
- DE 2437611 A1 19760226 - BASF AG
- EP 1497489 B1 20120808 - SCA HYGIENE PROD AB [SE]
- WO 2010073133 A2 20100701 - KIMBERLY CLARK CO [US], et al
- EP 2692921 A1 20140205 - UNICHARM CORP [JP]
- EP 1930491 A2 20080611 - UNI CHARM CORP [JP]
- DE 3524006 A1 19860206 - VALMET OY [FI]
- DE 9109313 U1 19910926
- DE 10115618 A1 20021002 - VOITH PAPER PATENT GMBH [DE]
- EP 1440926 A2 20040728 - VOITH PAPER PATENT GMBH [DE]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DE 102015001008 A1 20160728; CN 107429485 A 20171201; CN 107429485 B 20200512; EP 3250750 A1 20171206; EP 3250750 B1 20191113; US 10513826 B2 20191224; US 2018002866 A1 20180104; WO 2016120014 A1 20160804
DOCDB simple family (application)
DE 102015001008 A 20150128; CN 201680007524 A 20160127; EP 16702877 A 20160127; EP 2016000138 W 20160127; US 201615547031 A 20160127