METHOD OF MAKING THREE-LAYER PAPER

METHOD OF MAKING THREE-LAYER PAPER

The invention relates to a method of making a symmetrical three-layer paper of two heterogeneous stocks, one of which forms the top layers of the paper, and the other one forms the intermediate layer thereof. According to the invention, the top layer and substantially half the grammage of the interm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ALF ROMANO DE RUVO, OLE PEDER TERLAND
Format: Patent
Sprache:por
Schlagworte:
METHODS OF PRODUCING PAPER THEREON
PAPER-MAKING
PAPER-MAKING MACHINES
PRODUCTION OF CELLULOSE
TEXTILES
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Beschreibung
Zusammenfassung:The invention relates to a method of making a symmetrical three-layer paper of two heterogeneous stocks, one of which forms the top layers of the paper, and the other one forms the intermediate layer thereof. According to the invention, the top layer and substantially half the grammage of the intermediate layer are formed by co-forming in two separate head boxes, whereafter the two separately formed layers are combined at a dry solids content not exceeding 12%.