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:
Sep. 09, 2025
Filed:
Jun. 02, 2021
Applicant:
Valmet Technologies Oy, Espoo, FI;
Inventors:
Assignee:
Valmet Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21D 1/24 (2006.01); D21D 1/00 (2006.01); D21D 1/26 (2006.01); D21D 1/30 (2006.01);
U.S. Cl.
CPC ...
D21D 1/24 (2013.01); D21D 1/008 (2013.01); D21D 1/26 (2013.01); D21D 1/306 (2013.01);
Abstract
A blade segment () for a refiner () for refining fibrous material has first () and second () end edges opposite one another in a direction of a longitudinal axis (LA) of the blade segment (), and first () and second () side edges which extend between the first end edge and the second end edge. The blade segment has a refining surface () with blade bars () and grooves () therebetween on a front surface () of the blade segment (). At least one side edge () has at least two edge portions () arranged to deviate from the direction of the longitudinal axis (LA) of the blade segment () and connected by an elbow () between each two edge portions ().