Cable rock anchor

Details Cable rock anchor Cable rock anchor

1978-03-23

1979-07-10

Shapiro, Jacob

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

52155, E21D 2100

Patent

active

041606159

ABSTRACT:
Directed to a cable rock anchor device whereby a load-supporting cable having considerable length may be anchored in a hole to provide ceiling or wall support underground comprising cable gripping means for gripping the cable during advance of the cable and device through a hole and expandable hole gripping means in contact therewith whereby tension applied to the cable causes the cable gripping means to grip the cable more tightly and causes expansion of the hole gripping means to grip the hole wall.

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