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:
Aug. 02, 1983
Filed:
Mar. 25, 1981
Applicant:
Inventors:
Pekka Ruokolainen, Savonlinna, FI;
Juhani Kyytsonen, Savonlinna, FI;
Assignee:
Enso-Gutzeit Osakeyhtio, Helsinik, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 81 ; 241245 ;
Abstract
Disk refiner for cellulose, paper or other equivalent pulp, with two mutually opposed blade disks, at least one of which is rotatable, carrying grinding surfaces facing each other and having within the circumference defined by the grinding surface of one blade disk, in the pulp inlet duct, a sieve plate concentric with the blade disks. Within the sieve plate there is a concentric guide plate so that between the sieve plate and the guide plate there is defined a gap through which the pulp to be refined goes to the grinding surfaces.