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:
Apr. 25, 2017
Filed:
Nov. 25, 2015
Applicant:
Valmet Ab, Sundsvall, SE;
Inventor:
Petteri Kuusisto, Pori, FI;
Assignee:
VALMET AB, Sundsvall, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21C 3/26 (2006.01); D21C 7/12 (2006.01); D21C 1/00 (2006.01); D21C 3/00 (2006.01); D21C 7/00 (2006.01);
U.S. Cl.
CPC ...
D21C 3/26 (2013.01); D21C 1/00 (2013.01); D21C 3/00 (2013.01); D21C 7/00 (2013.01); D21C 7/12 (2013.01);
Abstract
The method is for producing pulp in batch digesters. More particularly, the method is for ending a treatment phase of the digester content. In order to obtain a more uniform pulp quality from the process is the treatment phase ended by displacing a liquor volume (WLP) through the digester vessel with an imposed increasing temperature in the displacement liquor added to digester.