Papermaking machine

The invention relates to a papermaking machine employing a differential pressing felt for simultaneously dewatering the paper web and imprinting the paper web as the web is deposited onto the surface of a heated drying cylinder. The felt has a felt facing material greater than about 153 grams/m2 and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CURRAN, JOHN F, KERSHAW, THOMAS N
Format:	Patent
Sprache:	eng
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:	The invention relates to a papermaking machine employing a differential pressing felt for simultaneously dewatering the paper web and imprinting the paper web as the web is deposited onto the surface of a heated drying cylinder. The felt has a felt facing material greater than about 153 grams/m2 and imprinting yarn strands forming knuckles adjacent to the felt facing. The yarn strands have a spacing of about 6 to about 25 0.0254 meters.