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:
Sep. 29, 1981
Filed:
May. 31, 1979
Applicant:
Inventors:
Tuomo Lintunen, Savonlinna, FI;
Raimo Kohonen, Savonlinna, FI;
Assignee:
Enso-Gutzeit Osakeytio, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
162 60 ; 8156 ; 6818 / ;
Abstract
Procedure and apparatus for the washing of cellulose in the form of a continuous web. The continuous web produced in a concentrating zone is washed in a washing zone comprising between 2 and 6 washing steps, so that into the web pressurized washing liquid is introduced according to the counter-current principle to the purpose of displacing the suspension liquid contained in the web, using one pumping operation for transporting the washing liquid through a plurality of washing steps.