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:
Dec. 27, 1977
Filed:
Feb. 20, 1976
Applicant:
Inventors:
Sven Ulrik Aberg, Molnlycke, SW;
Sven Gunnar Bergdahl, Molnlycke, SW;
Assignee:
Molnlycke AB, Goteborg, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21B / ; D21F / ;
U.S. Cl.
CPC ...
162 26 ; 162 71 ; 162100 ; 162150 ; 241 28 ;
Abstract
The present invention relates to fluffed pulp comprising unwashed mechanical pulp with a liquid-diffusing capacity of at least 3.5 grams liquid per gram pulp per minute, a bulk of at least 18 cm.sup.3 /gram and a volume weight in blocks or bales of at most 0.8 grams/cm.sup.3. The invention also comprises a method of producing such a fluffed pulp by means of defibrating the wood and thereafter drying the same with warm air to a dry content of 80-95% by weight without subjecting the pulp to any mechanical compression.