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. 05, 2005
Filed:
Jun. 12, 2001
Applicants:
Hannu Lepomäki, Laukaa, FI;
Hannu Karema, Jyväskylä, FI;
Markku Kellomäki, Haapaniemi, FI;
Maarit Tukiainen, Säynätsalo, FI;
Inventors:
Hannu Lepomäki, Laukaa, FI;
Hannu Karema, Jyväskylä, FI;
Markku Kellomäki, Haapaniemi, FI;
Maarit Tukiainen, Säynätsalo, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F001/00 ; D21F011/00 ;
U.S. Cl.
CPC ...
Abstract
A method for fluidisation of a pulp flow in the headbox of a paper machine or such. The characteristics of the pulp flow are affected in the headbox's fluidiser () in one step only, whereby the height (h) of the step is at least equal to the average fibre length, and after the fluidiser () the biggest permissible step expression in the flow channel in direction z is smaller than the average fibre length.