Filter having a media retaining plate
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United States of America Patent
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Mar 20, 2007
Issued Date -
N/A
app pub date -
Dec 8, 2005
filing date -
Jul 1, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A filtration system that includes a plurality of underdrain blocks arranged to define a plurality of laterals. Each underdrain block defines an interior and an exterior and has an orifice that provides fluid communication between the exterior and the interior. The system also includes a plurality of media retaining plates. Each plate includes a plurality of slots that extend through the plate. Each slot has an average width of less than 0.065 inches. Each plate connects to only one of the plurality of underdrain blocks such that the slots provide fluid communication between the exterior and the orifice of the underdrain block to which the plate is attached.
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