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:
Nov. 05, 2019
Filed:
Oct. 23, 2015
Valmet Technologies Oy, Espoo, FI;
Håkan Sjöström, Espoo, FI;
Matti Kaarineva, Espoo, FI;
Tomi Iisakkila, Espoo, FI;
Marko Loijas, Espoo, FI;
Marcus Sjölund, Espoo, FI;
Karl Lönngren, Espoo, FI;
VALMET TECHNOLOGIES OY, Espoo, FI;
Abstract
A blade element () for a refiner () for refining fibrous material has an inner edge () and an outer edge () and first blade bars () and first blade grooves () therebetween, the first blade bars and the first blade grooves extending toward the outer edge of the blade element. At top surfaces of the first blade bars there are second blade bars () and second blade grooves () therebetween. At least some of the second blade bars () lying on an outer end portion () of the blade element () have a width which is larger than a width of second blade bars () lying on an inner end portion () of the blade element () and/or is increasing in direction toward the outer edge () of the blade element ().