Protective frame device for drainage channel

Details Protective frame device for drainage channel Protective frame device for drainage channel

1986-09-08

1987-10-13

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405121, 404 2, 138155, E01C 1122

Patent

active

046995447

ABSTRACT:
A drainage channel is shown which features a body having complementary ends which, in abutting relationship, form interlock with adjacent channel bodies when joining the channel bodies together; and an edge protective frame device for the upper free rims or edges of the channel side walls comprising a web resting on top of the channel side wall and two anchor legs extending downwards from and linked by the web and proceeding in the same direction and distance, at least one of which anchor legs is flush with its respective channel side wall and between the two of which legs the material of the upper part of the channel walls is formed; and a mounting leg for a channel cover, extending upwards from the outer edge of the web.

REFERENCES:
patent: 1602327 (1926-10-01), Blanchard
patent: 2978758 (1961-04-01), Dunn
patent: 3344562 (1967-10-01), Miles et al.
patent: 3417570 (1968-12-01), Pegan et al.
patent: 4105353 (1978-08-01), Bork et al.
patent: 4241548 (1980-12-01), Rowe
patent: 4341392 (1982-07-01), van Dongeren
patent: 4472078 (1984-09-01), Karbstein
patent: 4616450 (1986-10-01), Shouse

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