Cartridge for use in anchor bolting

Details Cartridge for use in anchor bolting Cartridge for use in anchor bolting

1981-06-25

1985-12-17

Moy, Joseph Man-Fu

Special receptacle or package

For mixing

206 05, B65D 2508

Patent

active

045587817

ABSTRACT:
An anchoring cartridge for use in anchor bolting in a rock substrate such as an underground mine roof comprises a frangible casing formed from a liquid-impermeable material, the casing containing a particulate liquid-settable solid component, such as a hydraulic cement, which is in contact with a longitudinally extending absorbent material preferably both ends of which communicate with, or are adapted to communicate with, the exterior of the cartridge so that when the cartridge is immersed in an activating liquid for the solid component, such as water, the liquid is drawn into the cartridge by the absorbent material and thereby comes into contact with the solid component over its whole length within the casing. This helps to assist in the formation of a self-setting grouting composition of substantially uniform strength when the cartridge is used in a borehole drilled in the substrate.

REFERENCES:
patent: 3186869 (1965-06-01), Friedman
patent: 3294224 (1966-12-01), Horwitz
patent: 3359361 (1967-12-01), Oakman
patent: 3717303 (1973-02-01), Daeninckx et al.
patent: 3902596 (1975-09-01), McVay
patent: 4188304 (1980-02-01), Clarke et al.

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