Friction rock stabilizer and a method of isolating the same from a bore surface
US4400113A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1980 |
| Grant date | Aug 23, 1983 |
| Priority date | — |
| Expiry date | Jun 13, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D21/0093
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The friction rock stabilizer comprises an elongate element for insertion into an earth structure bore, for stabilizing the earth structure, which has a sheath rendering the stabilizer impervious to chemical attack and, hence, corrosion-resistant. The bore surface isolating method, in an embodiment thereof, comprises interposing a protective or isolating sleeve or lining between the stabilizer and the earth structure bore. The protective or isolating lining provides two benefits: it facilitates movement of the stabilizer into frictional engagement with the bore, by isolating the stabilizer from the rough surface of the bore wall, and also provides a corrosion-resistant sheath to protect the stabilizer, in the bore, from alkaline or acidic mine water, corrosive minerals, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.