Charging apparatus for cartridged explosives
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United States of America Patent
Stats
-
Jun 3, 1986
Grant Date -
N/A
app pub date -
Jul 10, 1984
filing date -
Jul 10, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A charging apparatus includes a charging hose, one end part of which is arranged to be connected to at least one supply of particulate or liquid explosive, and the other end part of which is arranged to be inserted into a drill hole to deliver thereto explosive fed through the charging hose from the forementioned supply; a guide sleeve for guiding the charging hose; a hose-feeder arrangement for displacing the charging hose longitudinally in the guide sleeve; and an aligning and adjusting means for carrying the guide sleeve and placing the aforementioned one end of the sleeve in a position for guiding the other end part of the charging hose into the drill hole. The wall of the guide sleeve is provided with a closeable opening arranged to enable bodies of solid explosive or cartridged explosive to be introduced into the guide sleeve when the charging hose is at least partially withdrawn out of the guide sleeve. The guide sleeve comprises two tubes which can be inserted telescopically one within the other, and which are pushed together in their charging-hose guiding position. The opening is formed in one of the two tubes and can be exposed by partially withdrawing the tubes one from the other.
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