Box culvert
US5720577A · kind A · utility
36Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1995 |
| Grant date | Feb 24, 1998 |
| Priority date | — |
| Expiry date | Oct 11, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F5/005
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A box culvert formed from a plurality of corrugated sections. Reinforcing ribs are secured to the outside surface of the culvert. A universal receiving channel is provided for each lower edge of the culvert and may be used to secure lower edge portions extending at different angles relative to horizontal. A rib configuration is disclosed which results in manufacturing and material savings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.