STRUCTURING BELT, PRESS SECTION AND TISSUE PAPERMAKING MACHINE FOR MANUFACTURING A HIGH BULK TISSUE PAPER WEB AND CORRESPONDING METHODS AND PRODUCT

STRUCTURING BELT, PRESS SECTION AND TISSUE PAPERMAKING MACHINE FOR MANUFACTURING A HIGH BULK TISSUE PAPER WEB AND CORRESPONDING METHODS AND PRODUCT

A clothing for structuring a wet fibre web (1′) in a press section of a tissue papermaking machine is described which has a three-dimensional woven structure forming elevations (62) and depressions (63), said elevations, like the depressions, are repeated and distributed to form a pattern of polygon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KLERELID, Ingvar, THOMASSON, Ola, JOHNSON, Cary P, ÅBERG, Bo-Christer, LAFOND, John J
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:A clothing for structuring a wet fibre web (1′) in a press section of a tissue papermaking machine is described which has a three-dimensional woven structure forming elevations (62) and depressions (63), said elevations, like the depressions, are repeated and distributed to form a pattern of polygonal, geometrically similar smallest unitary surfaces (64), each of said unitary surfaces having an area a and covering a plurality of depressions with the mean depth d. According to the invention, the area a and the mean depth d of each unitary surface (64) are adapted in relation to each other in such a way that, calculated by the length unit mm, their ratio is equal to or greater than 30 mm, wherein a is selected within the range of 1.0-3.0 mm2 and d is selected within the range of 0.03-0.09 mm. The invention also relates to a method for manufacturing a creped tissue paper web by using said structuring clothing.