Method to repair polyethylene containment sumps
US6113820A · kind A · utility
5Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1998 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Feb 11, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7172
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of repairing polyethylene fuel containment sumps used in underground storage systems in gasoline and diesel service stations without "welding" the polyethylene, using suitable surface preparation, priming of the affected area, and sealing with a two part rubber compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.