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:
Jun. 21, 2005
Filed:
Jan. 29, 2001
Applicants:
Soili Hietanen, Espoo, FI;
Markku Leskelä, Muijala, FI;
Inventors:
Soili Hietanen, Espoo, FI;
Markku Leskelä, Muijala, FI;
Assignee:
M-Real Oyj, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H011/02 ; D21H019/72 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for producing a calendered paper web. According to the method, a paper web is formed from a fibrous raw material in a paper machine, and the paper web is calendered. According to the invention, a fibrous raw material is used which is at least partly made up of a chemimechanical pulp of a species of thefamily, and the calendering is performed by online soft-calendering. By means of the invention, the gloss and smoothness of papers can be improved without decreasing their bulk.