Method and apparatus for rehabilitation of water conduit with lateral openings
US10386006B2 · kind B2 · utility
0Cited by
10References
8Claims
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Key dates
| Filing date | Aug 18, 2017 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Aug 18, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/1653
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of rehabilitating a network of underground water conduits having at least one lateral opening and a membrane for that purpose is disclosed. The method comprising the steps of blocking and sealing the at least one lateral opening with a membrane impregnated with a hardening resin positioned over the at least one lateral opening, and allowing the resin to harden thereby forming a rigid membrane over the at least one lateral opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.