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:
Jul. 08, 2003
Filed:
Sep. 12, 2001
Applicant:
Inventor:
Vilho Nissinen, Numminen, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 1/100 ;
U.S. Cl.
CPC ...
D21F 1/100 ;
Abstract
A method and apparatus for manufacturing paper, in which method base paper manufactured in a paper machine is calendered and coated to improve its printing properties. Before calendering, the moisture content of the manufactured base paper is brought to 4-14% of the total weight of the paper, after which the base paper web ( ) is taken to a multi-nip calender ( ), the base paper being calendered by the multi-nip calender ( ) and the calendered base paper ( ) coated on at least one side with a layer of coating.