Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peter Antensteiner0
Date of Patent
May 11, 2010
0Patent Application Number
122140870
Date Filed
June 17, 2008
0Patent Primary Examiner
Patent abstract
A special shape of bars on refining discs or plate segments of a rotating disc refiner is disclosed including a plurality of bars generally extending outwards towards the outer end of the disk across its surface, arranged in a single, two or more radial zones, the plurality of the bars within a zone being curved with the shape of a logarithmic spiral. Disc refiners including such refining discs are also disclosed.
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