B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/14 (2006.01) D21H 21/14 (2006.01) D21H 27/00 (2006.01)
Patent
CA 2347894
Disclosed is a manufacturing process of high-grade crepe paper products by attaching a paper body (P) to the surface of a rotating Yankee dryer (Y) and separating said paper body P through a doctor blade (D), wherein a crepe assistant (C) including 0.1 µg ~ 10 µg/m2 of molybdenum disulfide is continuously fed directly onto the surface of the cylindrical Yankee dryer (Y) while the paper body P is continuously fed to the cylindrical Yankee dryer. This provides an improvement in the adhesiveness of the paper body brought about a lower crepe ratio and enabled to manufacture high-grade crepe paper products provided with uniformly fine and delicate crepe "microholds.
L'invention concerne un procédé de fabrication de papier crêpé consistant à fixer un corps de papier (P) à la surface d'un sécheur frictionneur cylindrique rotatif (Y) et à séparer le corps de papier de cette surface à l'aide d'une lame de docteur (D). On applique de manière continue un adjuvant de crêpage (C) contenant un lubrifiant solide lamellaire de type cristallin, tel que du bisulfure de molybdène, sur la surface de ce sécheur frictionneur pendant que le corps de papier est acheminé vers ledit sécheur frictionneur. On peut ainsi améliorer la propriété adhésive de ce corps de papier et produire un papier crêpé de qualité dont les faux-plis sont fins, denses et uniformément répartis.
Sekiya Hiroshi
Sekiya Kunio
Maintech Co. Ltd.
Marks & Clerk
LandOfFree
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