Cable sling for support and stabilization of underground openings
US4265571A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 1979 |
| Grant date | May 5, 1981 |
| Priority date | — |
| Expiry date | Oct 22, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D21/0006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cable sling for support and stabilization employing a series of tensioned cable slings in position for actively supporting the mine roof or geologic formation by imposing restraint on the geologic mass at blocking points with the tensioned cables which assert restraints thereon, and wherein the cable slings have anchors adjacent the respective ends which contact the geologic mass for establishing substantial continuous anchorage along the cable sling length engaged with the geologic mass through frictional loading along the length of the anchors, and including auxiliary cementitious and mechanical anchors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.