Protective grating with pivoting sections for culvert pipe

Details Protective grating with pivoting sections for culvert pipe Protective grating with pivoting sections for culvert pipe

1989-10-10

1991-08-06

Dawson, Robert A.

Liquid purification or separation

Structural installation

Flume stream type

1375278, 210170, 404 2, 405124, B01D 3502, E02B 508

Patent

active

050375423

ABSTRACT:
A grating type pipe covering and protector which can be located either within the interior of a pipe or be attached to the outer walls of the pipe at its exit or its entrance openings includes a grating protector employing a two part grating covering having a common support about which both grating portions can pivot onto each other. Both parts of the grating covering have means thereon for affixing the grating to the walls of the culvert pipe.

REFERENCES:
patent: 114270 (1871-05-01), Dark
patent: 231544 (1880-08-01), Darst
patent: 286951 (1883-10-01), McBee
patent: 1220123 (1917-03-01), Heybach
patent: 2970697 (1961-02-01), Larson et al.
patent: 3086655 (1963-04-01), Compton
patent: 4101154 (1978-07-01), Kagstrom
patent: 4713179 (1987-12-01), Goedderz, Sr.
patent: 4935129 (1990-06-01), Wang
patent: 4942898 (1990-07-01), Osowski
Websters New Riverside University Dictionary, Copyright 1983, Houghton Mifflin Company, p. 335.

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