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. 09, 2023
Filed:
Oct. 27, 2020
Applicant:
Andritz Inc., Alpharetta, GA (US);
Inventors:
Luc Gingras, Harrogate, GB;
Marc Berger, Lachine, CA;
Assignee:
ANDRITZ INC., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 7/12 (2006.01); D21D 1/30 (2006.01);
U.S. Cl.
CPC ...
D21D 1/306 (2013.01); B02C 7/12 (2013.01);
Abstract
A refiner disc including: a refining zone on a front face of the disc; refining bars in the refining zone; and grooves between the bars, wherein each of the grooves include a rotational inducement element arranged on at least one sidewall of the groove and the rotational inducement element is configured to impart at helical flow of feed material flowing through the groove.