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:
Jul. 28, 2020
Filed:
Nov. 15, 2016
Applicant:
Andritz Ag, Graz, AT;
Inventors:
Alexander Gscheider, Hohentauern, AT;
Erwin Hertl, Judendorf, AT;
Assignee:
ANDRITZ AG, Graz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21D 5/02 (2006.01);
U.S. Cl.
CPC ...
D21D 5/026 (2013.01);
Abstract
The invention relates to a blade for screens for the treatment of a fibrous suspension, said blade being mountable on a rotor of the screen. According to the invention, the blade has a curved leading edge or curved envelope of the leading edge, the curvature extending in the direction of the trailing edge, and a curved trailing edge or curved envelope of the trailing edge, said curvature extending in the same direction as the other one. The invention also relates to a screen comprising a rotor on which the disclosed blades are mounted.