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Title:
PREVENTION OF CONTAMINATION OF CANVAS IN PAPERMAKING MACHINE AND DRY PART OF PAPERMAKING MACHINE THEREFOR
Document Type and Number:
Japanese Patent JP3593870
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for preventing contamination of canvas in a papermaking machine, capable of surely and efficiently preventing stain of canvas by relatively simple means and method and satisfying durability in the papermaking machine.
SOLUTION: This method for preventing contamination of canvas comprises applying a contamination-preventing chemical to outer rolls 13a9 and 13b9 located on the outside of a canvas closed loop among plural canvas rolls 13 and then, transferring the contamination-preventing chemical applied to the outer rolls 13a9 and 13b9 to a canvas 11 in a dry part of a papermaking machine feeding a wet paper P in contact with plural dryers 12 and the canvas between plural dryers 12 and the canvas traveling while drawing a definite closed loop through plural canvas rolls 13 and drying the paper P.


Inventors:
Takaaki Hanafusa
Kazuo Akatsuka
Kunio Sekiya
Application Number:
JP3361498A
Publication Date:
November 24, 2004
Filing Date:
January 30, 1998
Export Citation:
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Assignee:
Nippon Daishowa Paperboard Co., Ltd.
Mentec Co., Ltd.
International Classes:
D21F1/32; D21F5/00; (IPC1-7): D21F1/32; D21F5/00
Domestic Patent References:
JP7292382A
Foreign References:
GB2284833A
Attorney, Agent or Firm:
Shinji Shirasaki