Apparatus, components and a method for the filtering of liquid
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Nov 21, 1996
filing date -
May 25, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An endless filter chain for filtering a liquid, such as sewage, which flows along a drainage duct is provided. The filter chain comprises strainer elements and connecting links interconnected to allow the strainer elements to pivot about respective axes of the connecting links while maintaining a small clearance between the leading edge of each strainer element and the trailing edge of the respective adjacent preceding element while the filter chain is trained about an upper and a lower turning roller. the filter chain does not comprise conveyor chains and the strainer elements can be sized to a width where they cover practically the entire width of the drainage duct. A method and an apparatus for filtering liquid as well as a strainer element and a connecting link are provided.
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