Cable bolt head

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

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Details

4052591, E21D 2100

Patent

active

058299220

ABSTRACT:
A plurality of designs for mine roof bolts is disclosed. Each mine roof bolt includes a flexible multi-strand cable having a first and second end with a drivehead formed on the first end, the drivehead having a plurality of driving faces on an exterior surface thereof. The drivehead is a separate member. A barrel and wedge assembly is attached to the cable wherein the drivehead is utilized substantially for rotating the cable.

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Dywidag Systems International. USA, Inc.: Dywidag Passive Cable Bolt publication: Feb. 1994: 1 Sheet.
Stephen C. Tadolini and Jamie L. Gallagher: Cable Bolts for Longwall Gate Entry Support: pp. 77-89.

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