System for pneumatic delivery of emulsion explosives

Details System for pneumatic delivery of emulsion explosives System for pneumatic delivery of emulsion explosives

1996-06-19

1997-11-11

Skane, Christine

Ammunition and explosive-charge making

Loading fireworks and bursting charges

Placing, tamping, or priming charge in blast hole

102313, F42D 110

Patent

active

056866852

ABSTRACT:
Apparatus for delivery under pressure of emulsion explosives to boreholes using an annular stream of water for lubrication. Maintaining the water pressure at least 10 psi greater than the emulsion pressure has been found to maintain the integrity of the lubricating annulus of water.

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patent: 4462429 (1984-07-01), Coursen
patent: 4555278 (1985-11-01), Cescon et al.
patent: 4615752 (1986-10-01), Miller
patent: 4931110 (1990-06-01), McKenzie et al.
patent: 4996077 (1991-02-01), Halliday et al.

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