SUSPENDED TAMPING Russian patent published in 2006 - IPC F42D1/08 

FIELD: drilling and blasting operations in hard rocks, applicable in various branches using blasting operations in hard rock masses.

SUBSTANCE: the suspended tamping represents a split cylinder with at least three longitudinal slots and a tapered expansion of the cavity downwards of the bottom. A hollow spacer taper connected to a rope haulage secured on a tripod by the upper end is inserted in the cavity of the split cylinder from the bottom.

EFFECT: provided locking of blast products in the charging cavity up to destruction of the mass thus enhancing the efficiency of blast power use for crushing of the rock.

3 dwg