Filtering apparatus and method
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United States of America Patent
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-
Oct 11, 1988
Grant Date -
N/A
app pub date -
Aug 3, 1987
filing date -
Aug 4, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filtering method and apparatus including a chamber having an inlet and an outlet and a mass of fibers interposed between the inlet and outlet and contained between a perforated base and piston. Structure is provided for reciprocating the piston relative to the base during backwash operation.
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