Catch basin erosion containment filter assembly
OwnerTroy Cardwell, Casey Cardwell +1inventors
InventorsTroy Cardwell, Casey Cardwell, Cory Cardwell
Life of this patent
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Abstract
A catch basin erosion containment filter assembly. The filter assembly includes a rigid frame and a containment bag attached at its open end to the frame. The frame is adapted to be seated and/or held in the horizontal or vertical opening to a catch basin. The bag has one or more layers, preferably at least two layers. The outer layer is preferably a woven geotextile fabric and the inner layer is preferably a nonwoven geotextile fabric. A hydrocarbon absorbent layer, such as a nonwoven oileophilic fabric, may be located between the inner and outer layers for capturing spilled fuel and/or oil.
Claims12
An erosion containment filter assembly adapted to be placed into a catch basin at the entrance thereto comprising:
- a rigid frame adapted to be held in place at said entrance to said catch basin;
- and
- a containment bag having side walls, a closed bottom and an open upper end, said containment bag being attached to said frame at said open upper end, said walls and bottom of said containment bag having inner and outer layers, said outer layer being a woven geotextile having a higher porosity and strength than said inner layer.
Dependencies are inferred from the claim text.