EP 3219849 A1 20170920 - DEVICE FOR TREATING FIBER WEBS
Title (en)
DEVICE FOR TREATING FIBER WEBS
Title (de)
VORRICHTUNG ZUR BEHANDLUNG EINES FASERNETZES
Title (fr)
DISPOSITIF POUR TRAITER DES TOILES DE FIBRES
Publication
Application
Priority
EP 16160408 A 20160315
Abstract (en)
The invention relates to a device for treating fiber webs (W) by applying treatment substance on at least one surface of the fiber web (W), which device (10) comprises a first roll (11) and a second roll (12) or the first roll (11) and a counter element, in between of which first and second roll (11, 12) or between the first roll (11) and the counter element a treatment nip (N) is formed, means (21, 22) for applying treatment substance (TS) by spraying and a treatment chamber (14, 15), in which the treatment substance (TS) is applied, and which treatment chamber (14, 15) comprises an inlet opening and an outlet opening, which device (10) applies the treatment substance via at least one the rolls (11, 12) or via the counter element onto at least one surface of the fiber web. The device (10) further comprises means (27) for creating underpressure inside the treatment chamber (14, 15) and the outlet opening of the treatment chamber (14, 15) is provided with means (26) for creating a sealing air flow directed substantially into the treatment chamber (14, 15).
IPC 8 full level
D21H 23/50 (2006.01); D21H 19/82 (2006.01); D21H 23/56 (2006.01)
CPC (source: EP)
D21H 19/82 (2013.01); D21H 23/50 (2013.01); D21H 23/56 (2013.01)
Citation (applicant)
EP 2811069 A1 20141210 - VALMET TECHNOLOGIES INC [FI]
Citation (search report)
- [YD] EP 2811069 A1 20141210 - VALMET TECHNOLOGIES INC [FI]
- [Y] US 2005098291 A1 20050512 - KANGAS MARTTI Y [US], et al
- [Y] US 2012111516 A1 20120510 - TYNKKYNEN TOPI [FI], et al
- [Y] WO 0042254 A1 20000720 - VALMET CORP [FI], et al
- [A] US 5849321 A 19981215 - LINNONMAA PEKKA [FI]
- [A] WO 2005103380 A1 20051103 - METSO PAPER KARLSTAD AB [SE], et al
- [A] DE 102014100651 A1 20150723 - PAPERCHINE GMBH [DE]
- [A] WO 9967467 A1 19991229 - VALMET CORP [FI], et al
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
DE 202017100655 U 20170208; EP 16160408 A 20160315