Plastic detention chamber for stormwater runoff and related system and methods
US8491224B2 · kind B2 · utility
29Cited by
46References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2009 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Oct 17, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F1/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plastic, corrugated open bottom chamber includes features such as one or more of (i) sub-corrugation features on corrugation crests and/or corrugation valleys, (ii) stiffening fingers on the bottom of chamber foot portions, (iii) a viewport configuration that intersects only a single corrugation crest and (iv) a unitary end wall. A method of producing chambers with or without a unitary end wall using a common mold tool is also provided. A method of interconnecting chambers to form a chamber rows is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.