Method and apparatus for blasthole stemming

Details Method and apparatus for blasthole stemming Method and apparatus for blasthole stemming

F - Mech Eng,Light,Heat,Weapons

42

D

F42D 1/18 (2006.01) F42D 1/08 (2006.01)

Patent

CA 2236002

A device and process for plugging an explosives blasthole, the device having an inner member (7a, 7b) in the form of a conduit having a valve (9) and being adapted for the passage of fluid bulk explosives and an outer member (1) adapted to engage the walls of the blasthole. The outer member may be made of deformable material or be inflatable. The inner and outer members may be detachable.

Dispositif et procédé de bourrage d'un trou de mine avec des explosifs. Ce dispositif possède un élément intérieur (7a, 7b) sous forme d'un conduit pourvu d'un clapet (9) et conçu pour laisser passer des explosifs en masse fluide, ainsi qu'un élément extérieur (1) conçu pour venir en contact avec les parois du trou de mine. Cet élément extérieur peut être constitué par un matériau déformable ou gonflable. Les éléments intérieur et extérieur peuvent être détachables.

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