Process for installing roof bolts

Details Process for installing roof bolts Process for installing roof bolts

1979-02-07

1981-09-15

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405258, E21D 2002

Patent

active

042894271

ABSTRACT:
A process for supporting the roof of a mine shaft includes drilling a hole into the roof and then inserting a multi-stranded cable into the hole. The cable has a duct therein to allow the exit of air during its insertion. During the insertion, the cable is rotated and a bonding agent is introduced into the annulus between it and the surface of the hole.

REFERENCES:
patent: 1524570 (1925-01-01), Rawlings
patent: 3332244 (1967-07-01), McLean
patent: 3389561 (1968-06-01), Taylor
patent: 3436923 (1969-04-01), Lagerstrom
patent: 3698196 (1972-10-01), Jankowski et al.
patent: 3738071 (1973-06-01), Finsterwalder
patent: 4000623 (1977-01-01), Meardi
patent: 4092814 (1978-06-01), Kern
patent: 4160615 (1979-07-01), Baldwin

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