Loading of boreholes with flowable explosives

Details Loading of boreholes with flowable explosives Loading of boreholes with flowable explosives

1994-04-01

1996-06-11

Nelson, Peter A.

Ammunition and explosive-charge making

Loading fireworks and bursting charges

Placing, tamping, or priming charge in blast hole

F42B 300

Patent

active

055245234

ABSTRACT:
The invention provides a method of loading flowable explosives into a borehole, and a lance suitable for use in the method, A plurality of different fluids are fed into the borehole along a plurality of separate conduits each forming part of the same lance, The lance comprises said separate conduits, arranged side-by-side.

REFERENCES:
patent: 3770523 (1973-11-01), Biswas
patent: 3774496 (1973-11-01), Roach
patent: 3791255 (1974-02-01), Fox et al.
patent: 3943820 (1976-03-01), Persson
patent: 3996836 (1976-12-01), Lichtenberg
patent: 4036099 (1977-07-01), French
patent: 5007345 (1991-04-01), O'Garr
patent: 5105743 (1992-04-01), Tano et al.
patent: 5233926 (1993-08-01), Carmichael et al.

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