Prefabricated culvert system

Details Prefabricated culvert system Prefabricated culvert system

1989-06-26

1991-01-08

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405149, 52504, 52731, E01F 500

Patent

active

049830708

ABSTRACT:
Disclosed is a prefabricated culvert unit comprising a bottom plate, two sidewall plates intended to be positioned onto the upper surface of the bottom plate adjacent to the side edges thereof, and a cover plate intended to be positioned on top of the sidewall plates to form together with these sidewall plates and bottom plate a closed duct. Advantageously, this unit further comprises a pair of shoulders integrally projecting from the lower surface of the cover plate and a pair of ledges projecting upwardly from the upper edges of the sidewall plates to lock the cover plate onto the sidewall plates. The unit also comprises a tongue and groove joint on the upper surface of the bottom plate adjacent each of its side edges and on the lower end of the corresponding sidewall plate, respectively, to lock the sidewall plate and bottom plate together when the culvert unit is assembled.

REFERENCES:
patent: 892469 (1908-07-01), Vandevort
patent: 1212452 (1917-01-01), Caldwell
patent: 1662714 (1928-03-01), Morgan
patent: 1854815 (1932-04-01), Turner
patent: 1984196 (1934-12-01), Moss
patent: 1992763 (1935-02-01), Penny et al.
patent: 1997236 (1935-04-01), Schroeder
patent: 2045514 (1936-06-01), Bietz

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