Mine roof bolt hole seal

Details Mine roof bolt hole seal Mine roof bolt hole seal

1978-05-15

1980-02-12

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

85 1JP, 85 50R, 85 63, E21D 2100

Patent

active

041881583

ABSTRACT:
A mine roof bolt hole seal characterized by an arrangement of components which seal the bolt hole from the mine atmosphere at the time the roof bolt is installed and which, thereafter, provides for the removal of moisture and excess oxygen from within the bolt hole, through use of a desiccant and an oxidant. In the preferred invention form, the desiccant and the oxidant are automatically exposed during installation of the roof bolt.

REFERENCES:
patent: 2829502 (1958-04-01), Dempsey
patent: 3300929 (1967-01-01), Fischer
patent: 3379019 (1968-04-01), Williams

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