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.

Date of Patent:
Oct. 04, 2022

Filed:

Dec. 18, 2020
Applicants:

Wetend Technologies Oy, Savonlinna, FI;

Valmet Technologies Oy, Espoo, FI;

Inventors:

Antti Ketolainen, Jyväskylä, FI;

Jouni Matula, Savonlinna, FI;

Leif Piippola, Tampere, FI;

Assignees:

WETEND TECHNOLOGIES OY, Savonlinna, FI;

VALMET TECHNOLOGIES OY, Espoo, FI;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 1/02 (2006.01);
U.S. Cl.
CPC ...
D21F 1/026 (2013.01); D21F 1/022 (2013.01); D21F 1/024 (2013.01);
Abstract

A method of and an arrangement for adding at least one additional stock component to an approach flow system () of a fiber web machine by mixing the at least one additional stock component to a fibrous stock such that the stock flow is equalized () and the at least one additional stock component is introduced to the stock flow by injection mixing ().


Find Patent Forward Citations

Loading…