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:
Jun. 21, 2016

Filed:

Jul. 01, 2011
Applicants:

Johannes Haarla, Tampere, FI;

Sakari Paunila, Sarkola, FI;

Markku Rislakki, Tampere, FI;

Jouko Niinimäki, Oulu, FI;

Mika Körkkö, Oulu, FI;

Terhi Suopajärvi, Oulu, FI;

Inventors:

Johannes Haarla, Tampere, FI;

Sakari Paunila, Sarkola, FI;

Markku Rislakki, Tampere, FI;

Jouko Niinimäki, Oulu, FI;

Mika Körkkö, Oulu, FI;

Terhi Suopajärvi, Oulu, FI;

Assignee:

Haarla OY, Tampere, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 21/00 (2006.01); D21D 1/00 (2006.01); D21D 5/02 (2006.01); D21F 1/70 (2006.01);
U.S. Cl.
CPC ...
B02C 21/00 (2013.01); D21D 1/004 (2013.01); D21D 1/006 (2013.01); D21D 5/02 (2013.01); D21F 1/70 (2013.01);
Abstract

A method and an arrangement for treating stock formed of recycled fiber. The method comprises treating the stock in screen means and a flotation cell means, and screening the stock into accept and reject. Reject from the screening is directed to a mechanical dispergator and a dispersed reject is formed of it.


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