Rock bolt

Details Rock bolt Rock bolt

1983-03-01

1983-11-08

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405244, 405237, E02D 2002

Patent

active

044139292

ABSTRACT:
A rock bolt comprising a bolt body, a bag member directly surrounding an outer periphery of the bolt body adjacent to one end thereof, retainer means from securely fixing the bag member direct to the bolt body, a first tube means for feeding packing material into the bag member and extending through the bag member and toward the other end of the bolt body. The packing material filled into the bag member acts to lid or plug the hole into which the rock bolt has been inserted.

REFERENCES:
patent: 3032115 (1962-05-01), Smith
patent: 3259192 (1966-07-01), Hyde
patent: 3289761 (1966-12-01), Smith et al.
patent: 3303244 (1967-02-01), Talley et al.
patent: 3393744 (1968-07-01), Fagg et al.
patent: 3492823 (1970-02-01), Lamberton
patent: 3494134 (1970-02-01), Jorge
patent: 3518835 (1970-07-01), Gnaedinger
patent: 3685303 (1972-08-01), Turzillo
patent: 4247223 (1981-01-01), Amakasu et al.

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