Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Reexamination Certificate
2006-03-24
2010-10-12
Mayo-Pinnock, Tara (Department: 3671)
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
Reexamination Certificate
active
07811031
ABSTRACT:
A device (5) for installing a pressure fluid expandable rock bolt (4) of the kind having a tubular expansion portion and a fitting portion, said device at a distal portion having chuck means for gripping the fitting portion and for establishing a sealed connection between a fluid source and the inlet, said device extending essentially in an axial direction. The device includes at a proximal portion a holder portion (11) that is adapted to be fitted to a drill string engagement element (27) of a rock drilling machine. The invention also concerns a method and a rig.
REFERENCES:
patent: 3832860 (1974-09-01), Jahnke
patent: 3832861 (1974-09-01), Jahnke et al.
patent: 4201270 (1980-05-01), Ribich et al.
patent: 4423986 (1984-01-01), Skogberg
patent: 4626139 (1986-12-01), Blackwell
patent: 4655644 (1987-04-01), Lane et al.
patent: 4765778 (1988-08-01), Valentine
patent: 6102118 (2000-08-01), Moore
patent: 6585456 (2003-07-01), Forse
patent: 6698529 (2004-03-01), Coombs et al.
patent: 4024869 (1991-02-01), None
patent: 3933813 (1991-04-01), None
Atlas Copco Rock Drills AB
Mayo-Pinnock Tara
Stone Mark P.
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