B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 24/22 (2006.01)
Patent
CA 2583946
A filter system for filtering water and/or wastewater which includes an underdrain system having a plurality of laterals that are anchored to the floor of a filter by a hold-down assembly. Preferably, the hold-down assembly does not rely on grout or other substance that is applied in a viscous or semi-viscous state and subsequently hardened as the primary means for connecting the underdrain laterals to the floor of the filter. Preferably, the hold-down assembly includes hold- down clips that can move relative to an anchor assembly and corresponding underdrain blocks so that the hold-down clips can cooperate with any desired portion of the corresponding underdrain blocks.
Addison Mark Kevin
Ilyin Aleksandr Vladimirovich
Roberts R. Lee
Schmoyer Jason Samuel
Rg Delaware Inc.
Ridout & Maybee Llp
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