Paper making and fiber liberation – Processes and products – With measuring – inspecting and/or testing
Reexamination Certificate
2011-06-21
2011-06-21
Halpern, Mark (Department: 1741)
Paper making and fiber liberation
Processes and products
With measuring, inspecting and/or testing
C700S128000, C034S446000
Reexamination Certificate
active
07964064
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.
REFERENCES:
patent: 5377428 (1995-01-01), Clark
Banks Rodney H.
St. John Michael Robert
Thomas James L.
Weinstein David Ira
Bishop Joshua D.
Halpern Mark
Martin Michael B.
Nalco Company
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