Storm drain box filter and method of use

Details Storm drain box filter and method of use Storm drain box filter and method of use

1993-11-19

1996-01-02

Britts, Ramon S.

Road structure, process, or apparatus

Drain or gutter

210163, E01C 1122

Patent

active

054802547

ABSTRACT:
This invention is a box filter used in conjunction with newly constructed storm drains and the like to prevent undesirable amounts of sediment and other debris carrier by storm runoff from entering the storm drain. Upper and lower frames are provided with expanded metal interior and exterior sidewalls extending therebetween. The box-like structure has an open bottom, reinforcing plates adjacent the connection of a lift handle and corner braces to add rigidity to the system. An aggregate such as crushed stone is placed between the interior walls and exterior walls of the filter and act as a filter media for the sediment of the debris. This filter is reusable without loss of its filtering qualities due to its rugged construction and back flushable filter medium.

REFERENCES:
patent: 232948 (1880-10-01), Dernham
patent: 248559 (1881-10-01), Jackson
patent: 809201 (1906-01-01), Lutz
patent: 4382713 (1983-05-01), Kawahara
patent: 4419232 (1983-12-01), Arntyr et al.
patent: 5133619 (1992-07-01), Murfae
patent: 5284580 (1994-02-01), Shyh
patent: 5290457 (1994-03-01), Karbachsch et al.

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