Friction rock stabilizer

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor

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4052551, E21D 2100

Patent

active

052957683

ABSTRACT:
A collar for a friction rock stabilizer and a friction rock stabilizer incorporating such collar. The collar is shaped having a domed outer surface to allow improved alignment between the collar and a mine bearing plate used between the collar and the mine surface when the stabilizer tube is inserted in a bore in a mine roof or wall.

REFERENCES:
patent: 3478523 (1969-11-01), Reusser et al.
patent: 4265571 (1981-05-01), Scott
patent: 4382719 (1983-05-01), Scott
patent: 4395161 (1983-07-01), Wilson et al.
patent: 4652178 (1987-03-01), Kates et al.

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