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1. (WO2018104212) METHOD AND DEVICE FOR INSTALLING A CABLE BOLT WRAPPED IN A SHEATH

Pub. No.:    WO/2018/104212    International Application No.:    PCT/EP2017/081340
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Tue Dec 05 00:59:59 CET 2017
IPC: E21D 20/00
E21D 20/02
E21D 21/00
Applicants: DSI UNDERGROUND IP HOLDINGS LUXEMBOURG SARL
Inventors: SCOLARI, Federico
BRANDON, Mark Michael
Title: METHOD AND DEVICE FOR INSTALLING A CABLE BOLT WRAPPED IN A SHEATH
Abstract:
The present invention relates to a method for installing a cable bolt (12) in an underground (10), comprising the steps: - drilling a bore (40) into the underground (10), - delivering grout material (49) into the bore (40), - providing a cable (250), - inserting the cable (250) with its leading end into the bore (40), and - severing the cable (250) to form a trailing end. According to the invention, the method comprises the further steps of: - providing a sheath material (251), and - circumferentially wrapping the sheath material (251) around at least a predetermined length (B) of the cable (250). The invention furthermore relates to an installation device for carrying out this method, and to a so-obtained cable bolt (12).