Washing apparatus comprising a float body
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 22, 2001
Grant Date -
N/A
app pub date -
Sep 17, 1999
filing date -
Apr 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a washing apparatus for washing cellulose pup, comprising a vertical, column-shaped washing vessel (2), and a screen unit (7) which is movable in the washing vessel, during a screening phase, at a first speed, from an upper position to a lower position, and, during a return movement, at a substantially higher speed, from the lower position to the upper position, there is a float body (30) which exerts a buoyancy force on the screen unit.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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