Storm drain sump filter

Details Storm drain sump filter Storm drain sump filter

1979-09-10

1981-05-19

Granger, Theodore A.

Liquid purification or separation

With repair or assembling means

55374, 55381, 210448, 210451, 210459, 210464, 210477, 210483, B01D 2304

Patent

active

042683904

ABSTRACT:
A filter for use within a storm drain sump which has a fluid outlet through a wall of the sump, the filter includes a bag-like body member having a cylindrical body portion fabricated from resilient mesh-like synthetic material. A base portion of the filter defines a toroid-shaped section. A weighted material is placed within the toroid-shaped section. Wedge-shaped spacers are axially aligned and secured to an outer face of the cylindrical body portion of the filter. A suspension plate is secured to the body member to support the filter in the storm drain sump.

REFERENCES:
patent: 122209 (1871-12-01), Ashman et al.
patent: 589772 (1897-09-01), Woodbury
patent: 1070773 (1913-08-01), Callahan
patent: 1757834 (1930-05-01), Haegler
patent: 2433423 (1947-12-01), Broadman
patent: 2800194 (1957-07-01), Peek
patent: 2975863 (1961-03-01), Sosnowich
patent: 3443366 (1969-05-01), Schwab
patent: 3713539 (1975-01-01), Thompson
patent: 3959137 (1976-05-01), Kirsgalvis
patent: 3986958 (1976-10-01), Cattano
patent: 4089664 (1978-05-01), Noland

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