EP 3540118 B1 20221123 - FIBER WEB MACHINE AND METHOD OF FORMING A MULTI-PLY WEB
Title (en)
FIBER WEB MACHINE AND METHOD OF FORMING A MULTI-PLY WEB
Title (de)
FASERBAHNMASCHINE UND VERFAHREN ZUR HERSTELLUNG EINER MEHRLAGIGEN BAHN
Title (fr)
MACHINE À BANDE FIBREUSE ET PROCÉDÉ DE FORMATION D'UNE BANDE MULTICOUCHE
Publication
Application
Priority
EP 18161992 A 20180315
Abstract (en)
[origin: EP3540118A1] A method of forming a multi-ply web in a fiber web machine, comprises the steps:- feeding of fresh water, dilution water, and/or white water into a central diffuser of a multi-layer headbox,- feeding pulp suspensions to respective adjacent diffusers of the central diffuser,- guiding the fresh water, dilution water, and/or white water and the different pulp suspensions through the diffuser to eject them onto a wire of a forming section, the wire forming a closed loop,- dewatering the liquid substances to form a web,- merging the web with a second web formed at a second head box ejecting pulp suspension on a wire of a second forming section, andmerging the web with a third web formed at a third head box ejecting pulp suspension on a wire of a third forming section, wherein the third web is arranged on a side of the web opposite to that where the second web is arranged.
IPC 8 full level
D21F 1/02 (2006.01); D21F 9/00 (2006.01); D21F 11/04 (2006.01)
CPC (source: CN EP)
D21F 1/02 (2013.01 - CN EP); D21F 1/04 (2013.01 - CN); D21F 9/006 (2013.01 - EP); D21F 11/04 (2013.01 - EP)
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)
EP 3540118 A1 20190918; EP 3540118 B1 20221123; CN 110273316 A 20190924; CN 110273316 B 20210831
DOCDB simple family (application)
EP 18161992 A 20180315; CN 201910187365 A 20190313