Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1985-11-07
1986-12-23
Husar, Cornelius J.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405121, 404 2, 138155, E01C 1122
Patent
active
046309667
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 (1925-10-01), Blanchard
patent: 3417570 (1968-12-01), Pegan et al.
patent: 3956134 (1976-05-01), Sturgill
patent: 4105353 (1978-08-01), Bork et al.
patent: 4341392 (1982-07-01), van Dongeren
patent: 4472078 (1984-09-01), Karbstein
ACO Polymer Products, Inc.
Hall Kristina I.
Husar Cornelius J.
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