Outwardly dished end plate for stormwater chamber

Hydraulic and earth engineering – Drainage or irrigation – End cap

Reexamination Certificate

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C405S046000, C210S170010

Reexamination Certificate

active

07491015

ABSTRACT:
An end plate for closing off the end of an arch shape cross section corrugated storm water chamber, which receives water for dispersal beneath the surface of the earth, has a dished portion which projects outwardly from the end of a chamber to which it is attached, preferably by means of a flange which engages the corrugations of the chamber. Ribs inside the end plate add strength.

REFERENCES:
patent: 4445542 (1984-05-01), Fouss et al.
patent: 5087151 (1992-02-01), Dituillo
patent: 5556231 (1996-09-01), Sidaway et al.
patent: 5773756 (1998-06-01), DiTullio
patent: 5839844 (1998-11-01), Nichols et al.
patent: 6076993 (2000-06-01), Gray
patent: 6602023 (2003-08-01), Crescenzi et al.

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