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. 03, 2020
Filed:
Jun. 27, 2018
Applicant:
Valmet Technologies, Inc., Espoo, FI;
Inventors:
Håkan Hulden, Espoo, FI;
Harri Ruotsalainen, Varkaus, FI;
Assignee:
VALMET TECHNOLOGIES, INC., Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/02 (2006.01); D21G 3/00 (2006.01);
U.S. Cl.
CPC ...
B29C 70/025 (2013.01); D21G 3/005 (2013.01);
Abstract
A conditioning doctor blade () for a fiber web machine contains a number of reinforcement fiber layers () laminated on top of one another into an epoxy matrix (), and silicon carbide particles (), so that the reinforcement fiber layers () have formed a fiber core () and surface fiber layers () on both sides of the fiber core (). There is less epoxy matrix () in the fiber core () than in the surface fiber layers ().