METHOD OF PRODUCING A PAPER HAVING A THREE-DIMENSIONAL PATTERN

METHOD OF PRODUCING A PAPER HAVING A THREE-DIMENSIONAL PATTERN

Method of producing paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying, at which the wet paper web is passed through at least one press nip (12) comprising a rotatable roll (13) which is heated and that the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JAERREHULT, BENGT, REINER, LENNART, TONDKAR, KAVEH, BILLGREN, THOMAS, HOLLMARK, HOLGER, SOEDERBERG, MATS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
IMPREGNATING OR COATING OF PAPER
METHODS OF PRODUCING PAPER THEREON
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PAPER-MAKING MACHINES
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:Method of producing paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying, at which the wet paper web is passed through at least one press nip (12) comprising a rotatable roll (13) which is heated and that the paper web when passing through the press nip is given a three-dimensional pattern either by means of a pattern wire (11) and/or by the fact that the heated roll (13) is provided with a three-dimensional pattern, and where the wet paper web (10) before entering said press nip (12) is given a basis weight variation in a non-random pattern.