Grate for a subsurface catch basin

Details Grate for a subsurface catch basin Grate for a subsurface catch basin

1999-07-27

2000-11-07

Upton, Christopher

Liquid purification or separation

Structural installation

Grated inlet surface drain

210474, 210498, 404 4, B01D 2903, B01D 3502

Patent

active

061431680

ABSTRACT:
A grating for a catch basin is disclosed. The grating is formed as a hollow monolithic body from plastic, having a top bearing plate, a peripheral rim, a peripheral bearing shoulder extending inwardly from the rim forming an internal recess, a peripheral downwardly extending skirt, a peripheral base extending inwardly from the skirt, and a peripheral inner wall extending upwardly from the base to the top plate. The top bearing plate has a plurality of slits formed by spaced apart hollow bars. An integral hollow rib in the form of a cross beam extends beneath the top plate. A metal reinforcing plate may be positioned in the cross beam.

REFERENCES:
patent: 3713539 (1973-01-01), Thompson et al.
patent: 4261824 (1981-04-01), Cuschera
patent: 4345998 (1982-08-01), Graffis et al.
patent: 4367142 (1983-01-01), Blecher
patent: 5130016 (1992-07-01), Gavin
patent: 5486287 (1996-01-01), Murphy et al.
patent: 5529431 (1996-06-01), Walsh

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