The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6858113 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 22, 2005

Filed:

Sep. 14, 1999
Applicant:

Kunio Sekiya, Tokyo, JP;

Inventor:

Kunio Sekiya, Tokyo, JP;

Assignee:

Maintech Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F001/32 ;
U.S. Cl.
CPC ...
Abstract

The invention provides a method of preventing contamination of a dryer of a paper machine so that a predetermined anti-fouling effect can always be ensured over a long term while maintaining satisfactory drying efficiency. With the method of preventing contamination of the surface of a drum dryer used in a paper machine, according to the invention, a predetermined amount of a surface forming agent P is continuously supplied to the surface of the drum dryer Din rotation, facing a paper strip W, while the paper strip W is being fed by the paper machine in operation.


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