Open seam friction rock stabilizer

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

Patent

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Details

4052593, 4053021, E21D 2100

Patent

active

051921464

ABSTRACT:
An open seam friction rock stabilizer having a compressible body with portions alternately in contact with and not in contact with borehole wall, the contacting portions being separated by an angle between 70 degrees and 150 degrees.

REFERENCES:
patent: Re30256 (1980-04-01), Scott
patent: 4012913 (1977-03-01), Scott
patent: 4284379 (1981-08-01), Chaiko
patent: 4316677 (1982-02-01), Ciavatta
patent: 4322183 (1982-03-01), Ciavatta
patent: 4472087 (1984-09-01), Elders
patent: 4634317 (1987-01-01), Skogberg et al.
patent: 4666345 (1987-05-01), Seegmiller
patent: 4826358 (1989-04-01), Brustrom

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