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:
Dec. 08, 1981

Filed:

Jul. 31, 1979
Applicant:
Inventors:

Birger Morud, Sarpsborg, NO;

Leiv Lunde, Sarpsborg, NO;

Ketil Hasvold, Sarpsborg, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ; F26B / ;
U.S. Cl.
CPC ...
34 12 ; 34 15 ; 34 16 ; 34 17 ; 34 18 ;
Abstract

The present invention provides a method for drying chemical and semi-chemical pulp, especially short-fibred sulphate and sulphite pulp, for obtaining a pulp having a low content of fibre nodules, characterized in that said pulp is dried in a first drying step, whereafter said pulp is reslushed in water, if desired bleached, then dewatered and flash dried in a second step.


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Morud, Birger. (1981). Method for drying chemical or semichemical wood pulp (U.S. Patent No. 4304050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4304050

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