Cover systems with fusion welds
US9591797B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2013 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Nov 16, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A cover system for a storage pond formed using a liner is disclosed. A cover flap, a liner flap and an anchor flap are preassembled either off-site at a factory or on-site. The anchor flap is disposed in an anchor trench and the anchor trench is backfilled. The liner is deployed and the perimeter is welded to the liner flap. The cover is deployed and the perimeter is welded to the cover flap. The above welding is preferably fusion welding and could take place in any order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.