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. 12, 1978
Filed:
Jan. 06, 1977
Applicant:
Inventor:
Frey Viking Sundman, Karhula, FI;
Assignee:
A. Ahlstrom Osakeyhtio, , FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 12 ; 34 13 ; 34 60 ; 34 62 ;
Abstract
A method and apparatus for drying pulp, wherein the pulp is pre-dried to 60 to 70%, disintegrated and then formed into a layer of fibres on a moving wire which is dried by passing hot air through it to achieve a dryness of 90%. According to a preferred embodiment of the invention the layer of fibres is cooled by air compressed by press rolls after which it is cut into sheets which are piled into bales.