COMBINED CHARGING STEM BAG Russian patent published in 2012 - IPC F42D1/08 

FIELD: mining.

SUBSTANCE: combined charging stem bag includes suspension cone made from organic material, for example from rubber or plastic mass, which is connected to cable traction, and polyfractional charging part with predominance of crushed stone with fraction size of 10-20 mm in the first portions. At that, suspension cone has biconical groove in its middle part.

EFFECT: simplifying the design and increasing the explosive energy owing to improving the locking reliability of the explosion products, thus providing continuous circularity of charging cavity.

3 dwg