Global Patent Index - EP 3533927 A1

EP 3533927 A1 20190904 - METHOD FOR PRODUCING FIBROUS WEB, PAPER OR PAPERBOARD AND PAPER OR PAPER BOARD PRODUCT

Title (en)

METHOD FOR PRODUCING FIBROUS WEB, PAPER OR PAPERBOARD AND PAPER OR PAPER BOARD PRODUCT

Title (de)

VERFAHREN ZUR HERSTELLUNG VON FASRIGER BAHN, PAPIER ODER KARTON SOWIE PAPIER- ODER KARTONPRODUKT

Title (fr)

PROCÉDÉ DE PRODUCTION DE TOILE FIBREUSE, DE PAPIER OU DE CARTON ET PRODUIT DE PAPIER OU DE CARTON

Publication

EP 3533927 A1 20190904 (EN)

Application

EP 18159525 A 20180301

Priority

EP 18159525 A 20180301

Abstract (en)

The invention is related to a method for producing a fibrous web, a paper or paper board comprising the steps of:- providing a furnish comprising pulp,- providing a surfactant to said furnish,- mixing the furnish with the surfactant in order to achieve a foamed furnish,- providing the foamed furnish to a wire that dewaters the foamed furnish in order to achieve the fibrous web, paper or paper board, wherein the pulp of the furnish comprises a chemical pulp preferably to an amount of 25-100 % BDT, preferably 50-100 % BDT, more preferred 70-100 % BDT, more preferred 85-100 % of the pulp, most preferred essentially 100 % BDT of the total pulp content in BDT. The invention is also related to a paper or a paper board produced and a packaging box product.

IPC 8 full level

D21H 17/16 (2006.01); D21H 17/17 (2006.01); D21H 17/28 (2006.01); D21H 17/66 (2006.01); D21H 21/16 (2006.01); D21H 21/56 (2006.01)

CPC (source: EP)

D21H 17/16 (2013.01); D21H 17/17 (2013.01); D21H 17/28 (2013.01); D21H 17/66 (2013.01); D21H 21/16 (2013.01); D21H 21/56 (2013.01)

Citation (search report)

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)

EP 3533927 A1 20190904

DOCDB simple family (application)

EP 18159525 A 20180301