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.

Date of Patent:
Jun. 21, 2011

Filed:

Mar. 31, 2008
Applicants:

David Ira Weinstein, Hawthorn Woods, IL (US);

Michael Robert St. John, Chicago, IL (US);

Rodney H. Banks, Aurora, IL (US);

James L. Thomas, Heber Springs, AR (US);

Inventors:

David Ira Weinstein, Hawthorn Woods, IL (US);

Michael Robert St. John, Chicago, IL (US);

Rodney H. Banks, Aurora, IL (US);

James L. Thomas, Heber Springs, AR (US);

Assignee:

Nalco Company, Naperville, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21F 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an automatic control system, method and paper manufacturing machine using such control system for automatically controlling the amount of press section dewatering via the metered application of chemical dewatering agents applied to a paper web in a paper manufacturing process. The control system includes a feedback controller for controlling the amount of chemical dewatering agent applied to a paper web, and a monitoring device for obtaining a measurement of the moisture of the paper web exiting the press section.


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