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. 28, 2019
Filed:
Jun. 29, 2015
Marko Loijas, Valkeakoski, FI;
Timo Könönen, Nokia, FI;
Matti Kaarineva, Lempäälä, FI;
Valmet Technologies, Inc., Espoo, FI;
Abstract
A blade element () for a refiner () for refining fibrous material has a blade element body () and blade bars () and blade grooves () therebetween. Bottoms of the blade grooves () have, in the longitudinal direction (LD) of the blade grooves, a variable depth profile comprising alternating high points (') and low points (″) so that there is a phase shift (X) between the high points (′) and the low points (″) of the variable depth profiles of the bottoms of the adjacent blade grooves (). Also, a refiner () for refining fibrous material and a method for manufacturing the blade element () for the refiner ().