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:
Sep. 11, 2012

Filed:

Sep. 11, 2008
Applicant:

Timo Vuorinen, Tampere, FI;

Inventor:

Timo Vuorinen, Tampere, FI;

Assignee:

Metso Paper, Inc., Helsinki, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21B 1/32 (2006.01); D21B 1/34 (2006.01); B07B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fiber mass suspension is produced by mixing together a fiber material (FM) and water (W) in a pulper (). The formed fiber mass suspension is divided into an accept fraction and a reject fraction. The reject fraction is supplied continuously to a first secondary pulper () for further screening and defibring. The accept fraction formed in the first secondary pulper () is supplied continuously for further processing and the reject fraction formed in the first secondary pulper () is supplied continuously to a second secondary pulper () for further processing. The accept fraction formed in the second secondary pulper () is supplied continuously for further processing.


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