Explosives dispersed from a pressurized container

Details Explosives dispersed from a pressurized container Explosives dispersed from a pressurized container

1996-09-27

1999-02-23

Nelson, Peter A.

Ammunition and explosive-charge making

Loading fireworks and bursting charges

Placing, tamping, or priming charge in blast hole

102290, 102302, 102312, 102313, F42B 300, F42D 300

Patent

active

058746889

ABSTRACT:
The invention provides a method and apparatus (10) for loading a sensitized flowable explosive into a borehole. The apparatus (10) is portable and comprises containers 14, 16 which are pressurizable, for containing an explosive under pressure. Containers 14, 16 have closeable explosive inlets, closeable explosive outlets, and closable fluid inlets. In accordance with the method gas bubbles are dispersed into an explosive base to provide a sensitized explosive which is fed as a batch into the portable containers. The containers are pressurized to de-sensitize the explosive, after which the containers are conveyed to a borehole where the explosive is loaded from the apparatus into the borehole.

REFERENCES:
patent: 2925038 (1960-02-01), Walker
patent: 3303738 (1967-02-01), Clay et al.
patent: 3617401 (1971-11-01), Mortensen et al.
patent: 3642547 (1972-02-01), Conrad
patent: 3774496 (1973-11-01), Roach
patent: 4294633 (1981-10-01), Clay
patent: 5067995 (1991-11-01), Nutt

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