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.:
Date of Patent:
Oct. 07, 2003
Filed:
Nov. 19, 2001
Metso Paper, Inc., Helsinki, FI;
Abstract
An apparatus for applying a treating mix onto the surface of a moving device in the coating of paper or board. The apparatus comprises a blade carrier ( ), doctor means ( ) attached to the blade carrier ( ), a front wall ( ) positioned a distance from the doctor means ( ), a device ( ) constituting the moving device, said device being arranged in conjunction with the front wall ( ) and the doctor means such that it forms a chamber ( ) with the front wall ( ) and the doctor means, and means ( ) for supplying treating agent into an area of the application chamber ( ) which is at least essentially opposite to the moving surface. To prevent streaks, a screen plate ( ) is fitted in the application chamber, at least partly dividing the application chamber ( ) such that with regard to the screen plate ( ), the doctor means ( ) is arranged on the opposite side thereof to the feed means for the treating agent.