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:
Feb. 03, 2026
Filed:
May. 13, 2022
Applicant:
Stora Enso Oyj, Helsinki, FI;
Inventors:
Isto Heiskanen, Imatra, FI;
Jukka Kankkunen, Imatra, FI;
Ismo Saarinen, Lappeenranta, FI;
Jukka Lyyra, Jämsä, FI;
Juha Korvenniemi, Oriniemi, FI;
Harri Taipale, Vantaa, FI;
Hannu Heikkinen, Helsinki, FI;
Assignee:
Stora Enso OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 11/12 (2006.01); D21H 11/14 (2006.01); D21H 27/40 (2006.01);
U.S. Cl.
CPC ...
D21F 11/12 (2013.01); D21H 11/14 (2013.01); D21H 27/40 (2013.01);
Abstract
A method for manufacturing fluting and/or liner for corrugated board, comprising the step(s): a) using broke obtained from manufacturing of liner in the pulp used for manufacturing of fluting wherein at least 50% of the broke is external broke from the manufacturing of liner, and/or b) using broke obtained from manufacturing of fluting in the pulp used for manufacturing of liner wherein at least 50% of the broke is external broke from the manufacturing of fluting.