Outwardly dished end plate for stormwater chamber
US7491015B2 · kind B2 · utility
9Cited by
7References
12Claims
0Family size
Inventors
Key dates
| Filing date | Jun 22, 2005 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Jun 22, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F1/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.