FILTER ASSEMBLY FOR EARTH RETAINING STRUCTURES

A filter assembly includes a grate portion having a plurality of drain passages therein. A check valve portion includes a first end connected to the grate portion and a filter portion is connected to a second end of the check valve portion. The grate portion, the check valve portion and the filter p...

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Bibliographische Detailangaben
Hauptverfasser:	HEILMAN, David, STOUTIN, Doug, GENTRY, David
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A filter assembly includes a grate portion having a plurality of drain passages therein. A check valve portion includes a first end connected to the grate portion and a filter portion is connected to a second end of the check valve portion. The grate portion, the check valve portion and the filter portion are disposed in a hole in a concrete structure.