Form-drain filter

Details Form-drain filter Form-drain filter

1993-10-25

1995-11-14

Corbin, David H.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

521695, 405 50, 405229, E02B 1100, E02D 3102

Patent

active

054660920

ABSTRACT:
A form-drain filter for blocking the entry of fine particulate, as silt or slurry, into the drain and/or sump system. The filter consists in a fine particulate filter fabric of mesh small enough to sieve from subterranean waters all particulate capable of clogging a drain network, including drainage sumps and associated pumps. The filter is provided with non-biodegradable, water-impervious adhesive(s) along selected margins of the fabric. Adhesive(s) is (are) of a permanent type to bind the fabric to portions of siliceous footings and/or tile or plastic conduits.

REFERENCES:
patent: 3563038 (1971-02-01), Healy et al.
patent: 3946762 (1976-03-01), Green
patent: 4705048 (1987-11-01), Ahlgrimm
patent: 4720209 (1988-01-01), Iams
patent: 4733989 (1988-03-01), Harriett
patent: 4749306 (1988-06-01), Demeny et al.
patent: 5107642 (1992-04-01), Mogstad
patent: 5120162 (1992-06-01), Parker
patent: 5224799 (1993-07-01), Parker
American Engineering Fabrics, Inc.; Specification sheet (catalog cut) for Geotextiles; 2 pages.

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