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:
Sep. 30, 2003
Filed:
Mar. 23, 2001
Applicant:
Inventor:
Markku Mäntylä, Kangasala, FI;
Assignee:
Metso Automation Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 1/910 ; G01N 2/189 ;
U.S. Cl.
CPC ...
D21H 1/910 ; G01N 2/189 ;
Abstract
The invention relates to a method and an apparatus for measuring the amount of silicone coating on a moving paper or board web. In the invention, the characteristics of the coating ( ) are measured by means of reflection measurement or transmission measurement. The amount of the silicone in the coating is measured by measuring an absorption peak that is characteristic of the silicone in the mid-infrared range.