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. 21, 2001
Filed:
Mar. 13, 2000
Applicant:
Inventor:
Lars Obitz, Vaxholm, SE;
Assignee:
Valmet Fibertech AB, , SE;
Primary Examiner:
Int. Cl.
CPC ...
B02C 7/12 ;
U.S. Cl.
CPC ...
B02C 7/12 ;
Abstract
Refining disks are disclosed including a plurality of ribs generally extending outwardly towards the outer end of the disk across its surface, the plurality of ribs having a uniform width and being curved with the shape of an involute arc with circular evolutes. Disk refiners including such refining disks are also disclosed.