Method and apparatus for application of a treatment agent to a material web
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United States of America Patent
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Dec 28, 1999
Grant Date -
N/A
app pub date -
Feb 27, 1998
filing date -
Sep 9, 1997
priority date (Note) -
Expired
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Abstract
The present invention is related to a method of treating a material web in a paper or paperboard machine, in which method the moving web is treated with a gas, particularly with steam. At least one supplementary treatment agent is dosed into the stream of said gas and effected to travel along with said gas toward said material web. The invention also concerns an apparatus suited to implement the method.
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