Anchored cable sling system
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United States of America Patent
Stats
-
Dec 17, 1996
Grant Date -
N/A
app pub date -
Jul 5, 1994
filing date -
Jul 5, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An anchored cable sling system stabilizies and supports the rock formation above a mine tunnel roof. The system comprises a unitary multi-strand cable having a series of anchor collars on each end. The anchor collars include radially extending wings that: (1) cut and shread the resin grout material cartridges, (2) mix the resin grout material as the cable end is being inserted into the mine tunnel roof bore hole, and (3) center the anchor collars and cable in the bore hole. The anchor collars are oriented on the cable so that the wings thoroughly mix the resin grout material as it makes its way down the annulus between the cable and bore hole wall as the cable is being forced into the bore hole. The anchored cable sling system is installed in a mine tunnel roof without the necessity of spinning or rotating the cable ends in order to mix the resin grout material. The system may also include a structural beam support and a post-installation tensioning means.
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Cited Art Landscape
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