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:
Feb. 23, 2016
Filed:
Dec. 24, 2013
Juha-pekka Huhtanen, Tampere, FI;
Vesa Harju, Tampere, FI;
Markku Partanen, Valkeakoski, FI;
Olli Tuovinen, Tampere, FI;
Petteri Vuorio, Valkeakoski, FI;
Juha-Pekka Huhtanen, Tampere, FI;
Vesa Harju, Tampere, FI;
Markku Partanen, Valkeakoski, FI;
Olli Tuovinen, Tampere, FI;
Petteri Vuorio, Valkeakoski, FI;
Valmet Technologies, Inc., Espoo, FI;
Abstract
A refiner () for refining fibrous material. And a blade element () for a refiner () intended for refining fibrous material. The blade element () having a refining surface ('), which has blade bars () and blade grooves () between them. The top surface of at least one blade bar () is provided with refining grits (). The blade element () has portions () forming a protruding part extending away above the refining surface () and above the blade bars () or the refining grits () on the refining surface.