Mine shaft liner plate system and method
US8795777B2 · kind B2 · utility
0Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2012 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Feb 28, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D11/385
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A liner plate structure, system and method is provided for lining of mine shaft bores, tunnels and the like. The liner plate structure includes a primary plate portion and at least one flange disposed at a side edge of the primary plate portion. A polymer seal element extends along a recess within an exterior surface of the flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.