Angled manhole sealing band and method for use
US7789586B2 · kind B2 · utility
2Cited by
32References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 2008 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Oct 18, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a device and method for sealing a manhole structure. A band with a relatively rigid angled corner engages the upper margin of a manhole structure. Adhesives may also be used with the band to enhance the seal with the manhole structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.