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:
Aug. 20, 2013
Filed:
Jun. 18, 2009
Kati Lindroos, Lempäälä, FI;
Jorma Halla, Valkeakoski, FI;
Markku Partanen, Valkeakoski, FI;
Kauko Vänni, Nokia, FI;
Kati Lindroos, Lempäälä, FI;
Jorma Halla, Valkeakoski, FI;
Markku Partanen, Valkeakoski, FI;
Kauko Vänni, Nokia, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
A refiner () for refining fibrous material has at least one first refining surface () and at least one second refining surface (), which are arranged at least partly substantially opposite to one another in such a manner that a refiner chamber () is formed between them, to which the material to be defibrated is arranged to be fed. The first refining surface or the second refining surface has openings formed through them and through which fibrous material to be refined can be fed into the refiner chamber or through which refined fibrous material can be removed from the refiner chamber. In addition, a method for refining fibrous material, a refining surface of a refiner and a blade segment for a refiner.