Patent ID: 6358558
Filing Date: 2002-03-19
Classification: B05C,D21H

Abstract:
A method for feeding a treating agent to an apparatus employed in the treating of a paper or board web by means of applying the treating agent to a moving surface of the web being treated, the method comprising:supplying the treating agent to an applicator chamber of an apparatus used to apply the treating agent to a moving surface of the web being treated, the treating agent being applied to the moving surface of the web from the applicator chamber; supplying the treating agent into a feed chamber, the feed chamber being in fluid communication with the applicator chamber so as to supply treating agent supplied to the feed chamber to the applicator chamber; providing the feed chamber with a shunt line to remove an excess amount of the treating agent supplied to the feed chamber which is not adhered to the moving surface of the web upon application thereof by the applicator chamber; measuring an internal pressure of the feed chamber; and setting a feed pressure of the treating agent into the feed chamber to a value so as to cause the internal pressure of the feed chamber to attain a desired pressure value.