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:
May. 02, 2006
Filed:
Apr. 16, 2002
Applicants:
Pekka Koivukunnas, Järvenpää, FI;
Kaj Fabritius, Hyvinkää, FI;
Inventors:
Pekka Koivukunnas, Järvenpää, FI;
Kaj Fabritius, Hyvinkää, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 11/00 (2006.01); D21J 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A paper web is calendered by passing the paper web through a nip formed by a heatable thermo roll and a backing roll. The surface temperature of the thermo roll is above the glass transition range of the paper.