Disc refiner with plates having logarithmic spiral bars
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 11, 2010
Grant Date -
Jan 1, 2009
app pub date -
Jun 17, 2008
filing date -
Apr 25, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully